Instruction/ maintenance manual of the product FDL-PT22/JE Sony
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SER VICE MANU AL MODEL COMMANDER DEST . CHASSIS NO . MODEL COMMANDER DEST . CHASSIS NO . FDL-PT22 US FDL-PT22/JE JE ∗ Please file according to model size.
– 2 – TV standerd American TV standerd Channel converage VHF : 2-13 UHF : 14-69 Antenna VHF/UHF strap antenna Display format Transmission type TN liquid crystal panel Drive format Passive matrix Picture 2.2 inches measured diagonally Output Headphones : minijack Impedance 8 - 45 ohms Power requirements 4.
– 3 – Section Title Page Section Title Page 1. GENERAL ....................................................................... 4 2. DISASSEMBL Y 2-1. Cabinet Removal ..................................................... 6 2-2. Service Position ...
– 4 – SECTION1 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. A a 2 2 2 2 2 1 1 1 1 1 AA(LR6) × 3 b DC IN 4.
– 5 – C VHF UHF e d c b a a Mixer b 75 Ω coaxial cable c Feeder d EAC-39 antenna cable (not supplied) e EAC-110 antenna cable (not supplied) External Antenna Connection (see fig. C ) Connect an antenna cord EAC-39 (not supplied) or EAC- 1 10 (not supplied) to the TV .
– 6 – SECTION 2 DISASSEMBL Y 2-1. CABINET REMO V AL 1 Front cabinet assy 2 Channel button 3 B board 5 T board 4 A board 1 Screw (+P2 x 10) 7 Rear cabinet assy 8 Battery cover Claw 1. Remove battery cover 8 . 2. Push the two hooks in the lower section of the rear cabinet with a pint and the like to undo them.
– 7 – 2-2. SERVICE POSITION Service cord 1-900-211-84 B board CN301 CN601 CN602 A board Service cord 1-900-211-84 T board CN201 Antena AC Power adapter AC-E45HG Mini jack J101.
– 8 – 3-1. A BO ARD ADJUSTMENT +4.5V ADJUSTMENT Measure the voltage between JL32 (4.5V) and JL33 (GND) with a digital voltmeter , and adjust R V601 so that the voltage will be as follows: <Specification> 4.
– 9 – RF .A GC ADJUSTMENT (1) Input the VHF color bar signal from the test signal generator . (2) Adjust R V201 to optimum position so that there is no snow noise on the screen. CHANNEL DISPLA Y POSITION ADJUSTMENT (1) Set S601 in the VHF position.
– 10 – 3-3. B BO ARD ADJUSTMENT - B BOARD - (COMPONENT SIDE) RV402 RV301 GRAD A TION ADJUSTMENT (1) Input a 10-step staircase signal from the test signal generator . (2) Connect an oscilloscope probe between JL83 (G) and JL67 (D. GND) and observe the waveform.
– 11 – – 12 – – 13 – – 14 – SECTION 4 DIA GRAMS 4-1. BLOCK DIA GRAM BS COMPOSITION 28 27 SELECT BAND BS U/V CONTROL TUNING BAND SELECT BT 26 GEN.
– 18 – – 17 – – 16 – – 15 – 4-2. CIRCUIT BOARDS LOCATION 4-3. PRINTED WIRING BO ARDS AND SCHEMA TIC DIA GRAMS Note: • All capacitors are in µ F unless otherwise noted. pF : µµ F 50WV or less are not indicated except for electrolytics and tantalums.
– 19 – – 20 – GND (SIF) DC F/B SIF IN Vcc (SIF) GND (VIF) IF IN IF IN Vcc (VIF) RF AGC DELA Y RF AGC OUT AGC FIL TER II AGC FIL TER I 13 A UDIO OUT 14 E-VDL 15 FM DET IN 16 LIMITER OUT 17 AFT .
– 21 – – 22 – 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J UNREG UNREG 30V 30V 4.5V AUDIO AUDIO VIDEO VIDEO VIDEO VIDEO 2 3 4 1 5 9 8 7 6 1 6 7 3 9 8 2 4 5 1 2 3 4 5 6 7 8 1 2 3 4 5.
– 23 – – 24 – A B C D E F G H I 123456 7 – A BOARD – A AUDIO AMP, PC IN, BACK LIGHT NC 1 NC 8 V+ 2 +INPUT 7 OUTPUT 100k Ω 50k Ω 300 Ω 3 -INPUT 6 POWER GND 4 GND 5 BIAS + - A BOARD : .
– 25 – – 26 – 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A B C D E F G H I J 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 4.5V 2 3 4 5 8 1 6 7 B B B G R R G G R VIDEO VIDEO 1 2 3 4 5 6 7 8 10 9 11 12 13 14 15 16 17.
– 27 – – 28 – A B C D E F G H I 123456 7 – B BOARD – B CHROMA, LCD INTERFACE Pin Volt Pin Volt Pin Volt IC301 1 3.0 2 3.1 3 0.6 4- 5 3.5 6 2.5 7- 8- 9 2.8 10 3.0 11 2.9 12 3.1 13 GND 14 0.3 15 - 16 - 17 1.5 18 3.7 19 1.6 20 2.0 21 3.4 22 - 23 2.
– 29 – – 30 – 4-4. SEMICONDUCT ORS A71-2980 32 pin QFP 1 TOP VIEW 1 TOP VIEW 1 TOP VIEW 24 pin SOP NJM2070M 14 8 2 7 3 65 8 pin SOP UN2110 UN211D UN2210 UN5210 2SB709A 2SC3837KQ 2SD601A E B C .
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