Instruction/ maintenance manual of the product TRINITRON KV-VF21M40 Sony
Go to page of 116
SER VICE MANU AL CHASSIS BC-4A MODEL COMMANDER DEST . CHASSIS NO . MODEL COMMANDER DEST . CHASSIS NO . KV -VF21M40 RM-956 E SCC-P10A-A KV -VF21M70 RM-956 ME SCC-P11A-A KV -VF21M70 RM-956 JE SCC-P12A-A KV -VF21M70 RM-956 HK SCC-P09B-A KV -VF21M77 RM-955 HK SCC-P09A-A 21 ∗ Please file according to model size.
– 2 – SPECIFICA TIONS TV Section T elevision system B/G, I, D/K, M Color system P AL/SECAM and NTSC 3.58 /NTSC 4.43 Bilingual system NICAM bilingual I (VF21M77 ONL Y) Channel coverage See “Receivable channels and channel display” Picture tube T rinitron 21 inches (approx.
– 3 – Receivable channels and channel display System Ar ea Channel coverage Channel display B/G, H Middle East/Asia E-2 to E-12 C02 to C12 E-21 to E-69 C21 to C69 Indonesia 1A C01 2 to 1 1 C03 to .
– 4 – TABLE OF CONTENTS Section Title Page Section Title Page SELF DIA GNOSIS FUNCTION ...................................... 5 [ TV SECTION] 1. GENERAL 1-1. KV -VF21M40/VF21M70 ........................................ 8 1-2. KV -VF21M77 .........
– 5 – 1. OUTLINE • The units in this manual contain a self-diagnostic function. • If an error occurs, the ST ANDBY lamp will automatically begin to flash.
– 6 – 4. SELF-DIA GNOSTIC SCREEN DISPLA Y • For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring .
– 7 – 6. SELF-DIA GNOSTIC CIRCUIT [+Bovercurrent] Owing to current increase voltage of R615 decrease and that it make PM601 pin 8 to become LOW and OFF RY601. [+Bovervoltage] When +B voltage become more than 142.5V , PM601 8 pin become LOW and RY601 OFF .
– 8 – SECTION 1 GENERAL The operating instructions mentioned here are partial abstracts from the Operating Instruction Manual. The page numbers of the Operating In- struction Manual remein as in the manual.
– 9 – 6 Getting Started Step 3: Connecting the antenna For better TV reception and clear recor dings, connect an outdoor antenna to your video TV . Connecting an outdoor antenna T o connect a VHF antenna or a combination VHF/UHF antenna—75-ohm coaxial cable (round) Attach an IEC antenna connector to the 75-ohm coaxial cable.
– 10 – 8 Getting Started Step 4: Selecting the language (continued) 4 Press M or m to select LANGUAGE/ , then press ENTER. The selected item turns red. 5 Press M or m to select , then press ENTER. The menu language changes to Chinese. T o r eturn to the normal screen Press MENU.
– 11 – 10 Getting Started Step 5: Setting the clock (continued) 6 Press M , m or , to set the month, year , hour and minutes in the same way as in step 5 , then press ENTER.
– 12 – 12 Getting Started Step 6: Setting the channels (continued) 5 Press M or m to select AUTO PROGRAM, then press ENTER. Presetting starts from pr ogram position 1. The preset program and channel numbers are displayed on the screen in sequence.
– 13 – 14 Basic Operations Basic Operations W atching the TV This section explains various functions used while watching the TV . Most operations can be done using the remote control. 1 Press ? / 1 to turn on the video TV . When the TV is in standby mode (the 1 indicator on the video TV is lit in red), press ? / 1 on the remote control.
– 14 – 16 Basic Operations Playing a tape This section shows you how to play a tape. Other convenient functions you can use while playing a tape are explained in “Additional Operations.” 1 Press ? / 1 to turn on the video TV . When the TV is in standby mode (the 1 indicator on the video TV is lit in red), skip this step.
– 15 – 18 Basic Operations Playing a tape (continued) Displaying on-screen information Press to display the following on-screen information. T o show only the amount of remaining tape and the linear tape counter on the screen, press again. T o make the information disappear , press until no information is displayed on the screen.
– 16 – 20 Basic Operations Recording TV programs (continued) 5 Press REC z . The REC indicator lights up and recording begins. Note • Y ou can also select the channel number directly with the number buttons. Press C (once for regular channels, twice for cable channels), the desired number buttons, then ENTER.
– 17 – 22 Basic Operations Recording TV programs (continued) Recording using QUICK-TIMER The Quick-T imer recording function allows you to preset your video TV to record one pr ogram within a 24-hour period. For setting the Quick-T imer , use QUICK TIMER on the video TV .
– 18 – 24 Basic Operations Recording TV programs (continued) The QUICK TIMER button changes the following when turned clockwise or counterclockwise • When setting the start time: The hour increases or decreases by one hour . The minutes increase or decrease by one minute.
– 19 – 26 Basic Operations Recording TV programs (continued) Recording TV programs using the timer Y ou can preset up to five programs within a one-month period. Before you begin • When the TV is in standby mode (the 1 indicator on the video TV is lit in red), press ? / 1 , PROGR +/– or a number button on the remote control.
– 20 – 28 Basic Operations Recording TV programs (continued) Checking/adding/ changing/canceling the timer settings 1 Press TIMER REC. T o exit the PROGRAM LIST after checking the settings, skip steps 2 and 3 . T o add, change or clear the settings, follow steps 2 through 4 .
– 21 – 30 Additional Operations Adjusting the TV (continued) Presetting channels manually Preset the channels manually if you want to select channels that were not set automatically or if you want to allocate program numbers to channels one by one.
– 22 – 32 Additional Operations Adjusting the TV (continued) Skipping program positions Y ou can skip unused program positions when selecting a program with the PROGR +/– buttons. However , the skipped programs may still be called up when you select them with the number buttons.
– 23 – 34 Additional Operations Adjusting the TV (continued) Adjusting the color system Normally set the color system to AUTO. However , when the picture has no color , manually select the appropriate color system for your area. 1 Press MENU. 2 Press M or m to select , then press ENTER.
– 24 – 36 Additional Operations Adjusting the TV (continued) Adjusting the alignment of the picture The picture may be out of alignment due to influence from the earth’s magnetic field in relation to the position of the TV . Y ou can adjust the angle of the picture if it is not aligned to the TV screen.
– 25 – 38 Additional Operations T ape options (continued) Adjusting with Adaptive Picture Contr ol (APC) This function allows you to improve playback and recording quality automatically according to the condition of the video tape. This function is set to ON at the factory .
– 26 – 40 Additional Operations T ape options (continued) Adjusting the picture for rental tapes If you are not satisfied with the picture quality while playing a tape, even when APC is on, set RENT AL to ON. It is r ecommended to use this function when watching rental tapes.
– 27 – 42 Additional Operations T ape options (continued) Setting the color system Normally set COL SYS in the menu to AUTO. If streaks appear during playback, set COL SYS to corr espond to the system that the tape was recorded in. 1 Press MENU. 2 Press M or m to select , then press ENTER.
– 28 – 44 Additional Operations Switching on automatically — ON TIMER Y ou can preset your video TV to automatically switch on at a desired time. Y ou can select the TV program, video playback or input source to be switched on. 1 Press MENU. 2 Press M or m to select , then press ENTER.
– 29 – 46 Additional Operations Searching using the index function The video TV marks the tape with an index signal at the point where each recording begins. Use these signals as references to find a specific r ecording. This video TV can search up to 99 index signals ahead of or behind the current position.
– 30 – 48 Additional Operations Connecting optional equipment (continued) T o watch the video input signal Press t so that t 1 or t 2 appears on the screen. A/B G-CODE COUNTER RESET t MENU REW EJECT TIMER REC ON/OFF TAPE SPEED INDEX z REC GAME 13 2 X PAUSE x STOP m FF M Z .
– 31 – 50 Additional Information Additional Information Self-diagnosis function Y our video TV is equipped with a self-diagnosis function. If there is a problem with your video TV , the 1 indicator flashes in red. The number of times the indicator flashes indicates the possible causes.
– 32 – 52 Additional Information T roubleshooting (continued) Good picture/Abnormal sound Symptom Possible cause Solutions The TV system setting is inappropriate. • If the sound of all the channels is abnormal, display the TV SET UP menu and select the appropriate TV system (TV SYS), then preset the channels again.
– 33 – 54 Additional Information Symptom Possible cause Solutions The TIMER REC indicator does not light up even though you press ON/OFF. No cassette has been inserted. The tape is at its end. No setting is made for timer recording. Insert a cassette with its safety tab intact.
– 34 – 56 Additional Information qf 1 (standby) indicator (14) qg Remote control sensor qh TIMER REC (recording) indicator (27) qj REC (recording) indicator (20) qk ? / 1 (power/standby) switch (1.
– 35 – 1-2. KV -VF21M77 4 Getting Started Getting Started Step 1: Preparation Check the supplied accessories When you have taken everything out of the carton, check that you have these items: • .
– 36 – 6 Getting Started Step 3: Connecting the antenna For better TV reception and clear recor dings, connect an outdoor antenna to your video TV . Connecting an outdoor antenna T o connect a VHF antenna or a combination VHF/UHF antenna—75-ohm coaxial cable (round) Attach an IEC antenna connector to the 75-ohm coaxial cable.
– 37 – 8 Getting Started Step 4: Selecting the language (continued) 4 Press M or m to select LANGUAGE/ , then press ENTER. The selected item turns red. 5 Press M or m to select , then press ENTER. The menu language changes to Chinese. T o r eturn to the normal screen Press MENU.
– 38 – 10 Getting Started Step 5: Setting the clock (continued) 6 Press M , m or , to set the month, year , hour and minutes in the same way as in step 5 , then press ENTER.
– 39 – 12 Getting Started Step 6: Setting the channels (continued) 5 Press M or m to select AUTO PROGRAM, then press ENTER. Presetting starts from pr ogram position 1. The preset program and channel numbers are displayed on the screen in sequence.
– 40 – 14 Basic Operations Basic Operations W atching the TV This section explains various functions used while watching the TV . Most operations can be done using the remote control. 1 Press ? / 1 to turn on the video TV . When the TV is in standby mode (the 1 indicator on the video TV is lit in red), press ? / 1 on the remote control.
– 41 – 16 Basic Operations Playing a tape This section shows you how to play a tape. Other convenient functions you can use while playing a tape are explained in “Additional Operations.” 1 Press ? / 1 to turn on the video TV . When the TV is in standby mode (the 1 indicator on the video TV is lit in red), skip this step.
– 42 – 18 Basic Operations Playing a tape (continued) Displaying on-screen information Press to display the following on-screen information. T o show only the amount of remaining tape and the linear tape counter on the screen, press again. T o make the information disappear , press until no information is displayed on the screen.
– 43 – 20 Basic Operations Recording TV programs (continued) 5 Press REC z . The REC indicator lights up and recording begins. Note • Y ou can also select the channel number directly with the number buttons. Press C (once for regular channels, twice for cable channels), the desired number buttons, then ENTER.
– 44 – 22 Basic Operations Recording TV programs (continued) Recording using QUICK-TIMER The Quick-T imer recording function allows you to preset your video TV to record one pr ogram within a 24-hour period. For setting the Quick-T imer , use QUICK TIMER on the video TV .
– 45 – 24 Basic Operations Recording TV programs (continued) The QUICK TIMER button changes the following when turned clockwise or counterclockwise • When setting the start time: The hour increases or decreases by one hour . The minutes increase or decrease by one minute.
– 46 – 26 Basic Operations Recording TV programs (continued) Recording TV pr ograms using the G-CODE system The G-CODE system allows you to simplify the task of program- ming your video TV to make recordings with the timer .
– 47 – 28 Basic Operations Recording TV programs (continued) Recording TV programs using the G-CODE system Before you begin • When the TV is in standby mode (the 1 indicator on the video TV is lit in red), press ? / 1 , PROGR +/– or a number button on the remote control.
– 48 – 30 Basic Operations Recording TV programs (continued) Recording TV programs using the timer Y ou can preset up to five programs within a one-month period using both the G-CODE setting and the timer setting.
– 49 – 32 Basic Operations Recording TV programs (continued) Checking/adding/ changing/canceling the timer or G-CODE settings 1 Press TIMER REC. T o exit the PROGRAM LIST after checking the settings, skip steps 2 and 3 . T o add, change or clear the settings, follow steps 2 through 4 .
– 50 – 34 Additional Operations Adjusting the TV (continued) Presetting channels manually Preset the channels manually if you want to select channels that were not set automatically or if you want to allocate program numbers to channels one by one.
– 51 – 36 Additional Operations Adjusting the TV (continued) Skipping program positions Y ou can skip unused program positions when selecting a program with the PROGR +/– buttons. However , the skipped programs may still be called up when you select them with the number buttons.
– 52 – 38 Additional Operations Adjusting the TV (continued) Adjusting the color system Normally set the color system to AUTO. However , when the picture has no color , manually select the appropriate color system for your area. 1 Press MENU. 2 Press M or m to select , then press ENTER.
– 53 – 40 Additional Operations Adjusting the TV (continued) Adjusting the alignment of the picture The picture may be out of alignment due to influence from the earth’s magnetic field in relation to the position of the TV . Y ou can adjust the angle of the picture if it is not aligned to the TV screen.
– 54 – 42 Additional Operations T ape options (continued) Adjusting with Adaptive Picture Contr ol (APC) This function allows you to improve playback and recording quality automatically according to the condition of the video tape. This function is set to ON at the factory .
– 55 – 44 Additional Operations T ape options (continued) Adjusting the picture for rental tapes If you are not satisfied with the picture quality while playing a tape, even when APC is on, set RENT AL to ON. It is r ecommended to use this function when watching rental tapes.
– 56 – 46 Additional Operations T ape options (continued) Setting the color system Normally set COL SYS in the menu to AUTO. If streaks appear during playback, set COL SYS to corr espond to the system that the tape was recorded in. 1 Press MENU. 2 Press M or m to select , then press ENTER.
– 57 – 48 Additional Operations Switching off automatically —SLEEP Y ou can automatically switch the video TV into standby mode after a selected time period.
– 58 – 50 Additional Operations Switching on automatically - ON TIMER (continued) 9 Press M or m to set the source to be switched on, then press ENTER. The SOURCE changes as follows. TV PROG t VCR N (video playback) R If you select TV PROG, press M or m to change the channel numbers.
– 59 – 52 Additional Operations Connecting optional equipment W atching and recor ding the picture input fr om optional equipment T o connect a video camera T o connect a VCR to video output to au.
– 60 – 54 Additional Operations Connecting optional equipment (continued) T o connect a video game T o display the video game scr een Press GAME when the video TV is in standby mode. T o switch to a TV program Press the number button on the remote contr ol, PROGR +/– or t on the video TV or remote control.
– 61 – 56 Additional Information T roubleshooting If you have any problems while viewing your video TV , please check the following troubleshooting guide. If the problem persists, contact your Sony dealer . Symptom Possible cause Solutions TV section No picture/No sound The power cord or antenna is not connected.
– 62 – 58 Additional Information T roubleshooting (continued) Symptom Possible cause Solutions Playback section Power is on, but the tape does not run. The safety device has been activated. Switch off, disconnect the AC power cord, and leave the set for about one minute.
– 63 – 60 Additional Information Identifying parts and controls Refer to the pages indicated in parentheses ( ) for details. Front panel 1 i (headphones) jack 2 t 2/GAME IN jacks ( (video)/ 9 (aud.
– 64 – 62 Additional Information Identifying parts and controls (continued) Remote control 1 % (muting) button (15) 2 EJECT Z button (17) 3 t (input select) button (53) 4 2 (volume) +/– buttons .
– 65 – SECTION 2 DISASSEMBL Y 2-1. REAR CO VER REMOV AL 2-2. CHASSIS ASSY REMO V AL 2-3. SERVICE POSITION (A BO ARD) 2-4. A BO ARD REMO V AL 2 Rear cover 1 Eight screws (+BVTP 4 X 16) Cassette doo.
– 66 – 2-5. HARNESS LOCA TION CV board VM coil A board Power cord Demagnetic coil DGC holder Deflection yoke Anode cap DGC holder FBT CN803 CN801 CN604 CN306 CN305 CN304 CN605 CN301 CN303 CN601 CN.
– 67 – • Remov al of anode-cap NOTE : Short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or car- bon paint on the CRT , after removing the anode. a a • removing pr ocedures b b c 2 Using a thumb pull up the rubber cap firmly in the direction indicated by the arrow b .
– 68 – SECTION 3 SET -UP ADJUSTMENTS • The following adjustments should be made when a complete realignment is required or a new picture tube is installed. • These adjustments should be performed with the rated power supply voltage, unless otherwise noted.
– 69 – 3-2. CONVERGENCE (1) Horizontal and V er tical Static Conver g ence 1. Receive DOT HA TCH signal adjust [BR T], [PIX] to looks easily . 2. Set V . ST A T Mg, BMC Mg to standard condition. 3. Correct V . ST A T Mg. (Correct vertical lag of R, B-DOT around the center of CR T .
– 70 – • Adjust TLH. (TLH CORRECTION PIECE : 4-057-714-01) Correct horizontal mis-convergence of X axis' right and left red and blue. When red is outside and view from DY neck side, insert TLH correction piece to rightside (TLH+) and when blue is outside and also view from DY neck side, insert TLH correction piece to left (TLH-).
– 71 – 3-6. PICTURE DIST ORTION ADJUSTMENT • When performing these adjustment, do receive monoscope signal. VP1 (VPOS) White Green Magenta Red Blue Black Cyan Y ellow Fig.3-10 VP2 (VSIZ) VP3 (SCOR) VP4 (VLIN) VP5 (HPOS) VP6 (HSIZ) VP7 (AFBW) VP8 (AF AG) VP9 (TRAP) VP11 (UCPN) VP12 (LCPN) VP10 (P AMP) 3-5.
– 72 – CONFIRMA TION OF HOLD-DO WN When the parts with a , mark on the circuit diagram shown below are replaced, confirm the matters described in items 1. and 2. shown below . : PM601, R614, C614, IC607, R638 1. CONFIRMA TION OF +B LINE (A BO ARD) 1) Input 1 10 V A C.
– 73 – SECTION 5 CIRCUIT ADJUSTMENT 5-1. ADJUSTMENTS WITH COMMANDER 1. ENTERING SERVICE MODE 1) T urn on the main power of the set and enter into stand-by mode. 2) Press the following sequence of buttons on the Remote Control Commander . ON SCREEN DISPLA Y POWER “ ON ” (REMO TE CONTROL POWER “ ON ” ) V OLUME (+) CH “ 5 ” 6.
– 74 – • SER VICE MODE DISPLA Y No . D ATA VP 00 001 G SER VICE ITEM AFMD Entering the service mode When exchange the MEMOR Y IC002 (MA10 board) P erform “ standard value ” writing A board YCJ adjustment Deflection circuit adjustment Micro computer adjustment Write to the MEMOR Y Release the service mode.
– 75 – 5-3. SER VICE D A T A No. DISP DA T A ST ANDARD ITEM DEVICE RANGE DA T A VP0 AFC 00-03 00 AFC LOOP GAIN SWITCHING CXA2130S VP1 VPOS 00-3F 21 V POSITION (Y/C/J) VP2 VSIZ 00-3F 21 V SIZE VP3 .
– 76 – No. DISP DA T A ST ANDARD ITEM DEVICE RANGE DA T A MS0 NDL 00-FF 52 NICAM SEARTH DELA Y MS1 AGC 00-01 01 AGC SWITCH MS2 REL 00-3F 28 AGC GAIN MS3 CRM 00-01 00 CARRIER MUTING MS4 ACO 00-01 0.
– 77 – 5-4. A BO ARD ADJUSTMENT 1. H OSC ADJUSTMENT 1) Input select should be selected LINE input (no signal). 2) Connect a frequency counter to TP801 (A board). 3) Adjust service data "VP42" (HOSC) to become 15.690kHz ± 25Hz. 2. PICTURE QU ALITY ADJUSTMENT 2-1.
– 78 – MEMO.
– 79 – – 80 – – 81 – – 82 – SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAMS TV BLOCK VIDEO TU101 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 NICAM CN301 PLL SW RESET Q AFT 0(TV) OSD R.
– 83 – – 84 – – 85 – – 86 – 6-2. CIRCUIT BOARDS LOCATION Note: The components identified by shading and mark B are critical for safety. Replace only with part nummber specified. 6-3. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note: • All capacitors are in µ F unless otherwise noted.
– 87 – – 88 – – 89 – – 90 – 22 A B C D E F G H I J K L M N O P 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 14.0 13.0 2.8 4.4 3.8 4.6 5.2 5V 9V 1.3 0.1 1.3 5.7 5.1 1 33.8 0 1.7 0.5 0.8 157.0 1.7 0 4.8 4.8 7V 12V 0.1 14.8 15V 1.
– 91 – – 92 – – 93 – – 94 – A B C D E F G H I J K 1 2 3 4 5 6 7 8 9 1 01 11 21 31 41 51 61 71 8 7 6.9 6.9 6.9 0 6.8 6.8 6.8 6.9 0 0 4.1 0.5 0 0 0.6 12V 9V +B 133.8 67.1 134.3 67.0 0.4 0.9 2.1 1.8 2.4 2.4 1.8 2.1 2.3 5.4 6.1 5.7 3.6 3.4 2.
– 95 – TABLE OF CONTENTS Section Title Page Section Title Page [ VIDEO SECTION] 1. GENERAL 1-1. INTERNAL VIEWS ............................................... 96 2. DISASSEMBL Y 2-1. T op Cover Removal .............................................
– 96 – SECTION 1 GENERAL 1-1. INTERNAL VIEWS - T op Side - - Bottom Side - Drum assembly DZH-89A-R 1-759-453-1 1 ACE block assembly A-6759-620-A Reel table (T) 3-977-508-01 Pinch press block assmb.
– 97 – SECTION 2 DISASSEMBL Y 2-1. TOP CO VER REMO V AL 2-2. VCR BLOCK ASSY REMO V AL 2-5. SERVICE POSITION (MA10 BO ARD) 2 Top cover 1 Four screws (+BVTP 3 X 12) 4 VCR BLOCK assembly RP earth plate 1 CN701 3 Six screws (+BVTP 3 X 12) 2 Two screws (+BVTP 3 X 12) 2-3.
– 98 – SECTION 3 CIRCUIT ADJUSTMENTS Necessary items and indications for total adjustment of electric circuit of this unit will be described in this chapter . [ INSTRUMENTS T O BE USED ] 1) Color TV 2) Signal or dual trace type oscilloscope, band more than 30 MHz, delay , as provided.
– 99 – X’tal OSC CHECK Mode PB Signal Alignment tape, Stair step Measurement Point MA10 board Q823 emitter(NTSC) IC802 %ª pin(P AL) Measurement Equipment Oscilloscope Specified V alue 500 ± 200mVp-p Check: 1 ) Confirm the frequency is 3.579545MHz ± 82Hz(NTSC), and 4.
– 100 – REC Y LEVEL CHECK Mode E-E(SP) Signal No signal Measurement Point MA10 board IC802 !• pin Measurement Equipment Oscilloscope Specified V alue 240 ± 70mVp-p(NTSC) 260 ± 70mVp-p(P AL) Check: Confirm the Vp-p of the waveform is 220 ± 70mVp-p.
– 101 – SECTION 4 INTERF A CE, IC PIN FUNCTION DESCRIPTION Pin No. Signal I/O Function 1 S SEL F I S-INPUT SELECT (FRONT) 2 S SEL R I S-INPUT SELECT (REAR) 3 ST I TU STEREO MODE 4 BIL I TU BILINGU.
– 102 – 4-2. SYSTEM CONTR OL-VIDEO BLOCK INTERF ACE (MA10 BO ARD IC402) TAPE TAPE PB · PICTURE SEARCH REC · Signal Pin No. I/O STOP FF REW THREADING UNTHREADING PB PAUSE SLOW X2 CUE REVIEW REC P.
– 103 – CAM UN LOAD IC402 9 O HI-Z H L H L *7 *7 *7 *7 *7 *7 *7 *7 *7 *7 *7 CAM LOAD IC402 8 O LLL LLLLLL LL LLLLL MODE 1 IC402 @™ I H L L* 1 * 1 HHHHHHHH L HH MODE 2 IC402 @¡ I H LL * 1 * 1 H .
– 104 – 4-7. SER V O/SYSTEM CONTROL PORT FUNCTION DESCRIPTION (MA10 BO ARD IC402) Pin No. Signal I/O Function 1 RF SWP O RF SWITCHING PULSE 2– – 3– – 4 QVD O QUASI VD 5 CTLHYS HIGH O CTL C.
– 105 – – 106 – – 107 – SECTION 5 DIAGRAMS 5-1. BLOCK DIAGRAMS VIDEO BLOCK SWP J101 V L CN002 TU AL(REC) 1 TU V(REC) 2 RE LINE L 3 RE LINE Y 4 NC 5 RE LINE C 6 TU AL(TV) 7 TU V(TV) 8 N.
– 108 – – 109 – – 110 – 5-3. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note: • All capacitors are in µ F unless otherwise noted. pF: µµ F Capacitors without voltage indication are all 50V.
– 111 – – 112 – – 113 – – 114 – 22 23 A B C D E F G H I J K L M N O P 1 2 3 4 5 6 7 8 9 1 01 11 21 31 41 51 61 71 81 92 02 1 SW5V 4.9 <1.3> 2.5 2.5 2.5 2.5 2.5 MTR12V 2.5 2.5 0.3 4.8 6.3 0.3 4.5 2.6 2.0 D5V 5.0 5.0 0.4 4.9 2.5 2.
– 115 – – 116 – – 117 – – 118 – Schematic diagrams MA10(2/3) boards , , , , , Schematic diagram < < < < < MA10(1/3) board 3 1 1 4 MA10(2/3) BOARD WA VEFORMS 5 2 7 66 7 7 9 9 9 10 11 9 13 12 12 12 0.4Vp-p (H) 0.4Vp-p (H) 0.
– 1 19– – 120 – A B C D E F 123456789 1 0 1 1 1 2 0.6 0 0.6 0 2.1 <2.1> (4.5) (3.8) <0> (3.8) <0> (0) <0.6> (1.8) (3.8) <0> (0.1) <0.6> <2.2> 0.3 3.1 3.2 <2.2> (1.9) (0.3) (1.2) <2.9> 3.6 1 SW5V <2.
– 121– 5-4.SEMICONDUCTORS 8pin SOP 16pin SOP IC 1 TOP VIEW 1 TOP VIEW 48pin DIP 19 1 20 32 33 51 52 64 TOP VIEW 1 TOP VIEW 30pin DIP TOP VIEW 24 1 25 40 41 64 65 80 BA10393F-E2 BA6305F-E2 BA7755AF.
DIODE TRANSISTOR RPT -37PBT32 RPT -37PB3F UN21 13 UN221 1 UN2213 2SA1 162-G 2SB709A-QRS-TX 2SC1623-L5L6 2SC2412K-T -146-QR 2SD601A-Q 2SD601A-QRS-TX 2SA1 175-HFE 2SA1309A-QRST A 2SC2785-HFE 2SC331 1A-QRST A E C 2SC1815-GR 2SD879 2SA1837 2SC4793 E B C E LETTER SIDE C B B C E 2SK1482-T 2SK2251-01 2SK2845-LB102 D1NL20U E C B D1NS4 D1N20R MTZJ-T -77-3.
– 124 – NOTE: • Items with no part number and no description are not stocked because they are seldom required for routine service. • The construction parts of an assembled part are indicated with a collation number in the remark column. • Items marked " * " are not stocked since they are seldom required for routine service.
– 125 – REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
– 126 – 6-3. MECHANISM DECK ASSEMBLY (1) : 7-685-646-79 +BVTP 3X8 REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF.
– 127 – 6-4. MECHANISM DECK ASSEMBLY (2) : 7-685-646-79 +BVTP 3X8 : 7-682-547-04 +P 3X6 REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF.
– 128 – 6-5. MECHANISM DECK ASSEMBLY (3) : 7-685-646-79 +BVTP 3X8 : 7-685-133-19 +BVTP 2.6 REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- REF. NO. PART NO. DESCRIPTION REMARK ------------ ------------- ------------------- ------------- The components identified by shading and mark ! are criti- cal for safety.
An important point after buying a device Sony TRINITRON KV-VF21M40 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sony TRINITRON KV-VF21M40 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sony TRINITRON KV-VF21M40 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony TRINITRON KV-VF21M40 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony TRINITRON KV-VF21M40 will certainly help you make a decision on the purchase.
If you already are a holder of Sony TRINITRON KV-VF21M40, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sony TRINITRON KV-VF21M40.
However, one of the most important roles played by the user manual is to help in solving problems with Sony TRINITRON KV-VF21M40. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony TRINITRON KV-VF21M40 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
