Instruction/ maintenance manual of the product MDX-65 Sony
Go to page of 38
– 1 – MICROFILM Model Name Using Similar Mechanism MDX-62 Mini Disc Mechanism T ype MG-798K-133 Optical Pick-up Name KMS-241A/J2N SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model .
– 2 – T ABLE OF CONTENTS 1. SER VICE NO TE 1-1. T o Place the Set into Playback Mode ................................. 3 1-2. How to Check the Serv o Board W a veforms ...................... 3 2. GENERAL Preparations ..............................
– 3 – BP1 BP2 MDX-65 Master unit (CDX-C880, C880R, etc.) BUS CONTROL IN BUS CONTROL OUT SECTION 1 SER VICE NO TE 1-1. T O PLA CE THE SET INT O PLA YB A CK MODE The this set has no ke y control function and cannot be placed into the Playback mode alone.
– 4 – SECTION 2 GENERAL This section extracted from US, Canadian, E model’ s instruction manual..
– 5 –.
– 6 – 1 BVTT 2.6x 6 3 case (upper) 2 BVTT 2.6x6 2 PTT 2.6x8 4 BVTT 2.6x6 3 BVTT 2.6x6 6 panel (rear) assy 5 CN901 1 cover SECTION 3 DISASSEMBL Y Note : F ollow the disassembly procedure in the n umerical order given.
– 7 – 1 damper (798) 2 damper (798) 3 tension spring (FL) 4 tension spring (FL) 5 tension spring (FL) 6 MD block 1 claw 2 claw 3 panel (front) assy 4 CN620 3-3.
– 8 – 4 bearing (ELV) 7 bearing (ELV) 9 worm wheel (ELV2) 6 chassis (OP) block 3 chassis (bottom) assy 1 precision screws ( P 1.7x1.8 ) 2 precision screws (P 1.
– 9 – 1 screws (K1.7x3.5 ) 2 optical pick-up 1 CN200 6 CN100 5 CN300 4 CN400 3 screws (M1.7x2.2) 7 SERVO board 2 Unsolder the motor lead wires. 3-7.
– 10 – A B B B A A 2 Turn the three feed screw (ELV) assy fully in the direction of arrows A . !¡ Turn the three gear (ELVB) fully in the direction of arrows B . 6 bearing (ELV) 7 bearing (ELV) 0 precision screws (P1.7x1.8) 9 precision screw (P1.
– 11 – 4-1. IC PIN DESCRIPTIONS • IC100 CXA2523AR (RF AMP) Pin No . Pin Name I/O Pin Description 1 I I I-V con verted RF signal input (I) from detector of optical pick-up. 2 J I I-V con verted RF signal input (J) from detector of optical pick-up.
– 12 – • IC600 µ PD784216GC-027-8EU (SYSTEM CONTR OLLER) Pin No . Pin Name I/O Pin Descr iption 1 M1 O Elev ator motor (M904) drive signal output 2 M1 O Elev ator motor (M904) drive signal outp.
– 13 – Pin No . Pin Name I/O Pin Description 63 — O Not used. 64 EE CS O Chip select output to EEPROM. (Not used in this set.) 65 EE CK O O Serial clock output to EEPR OM. (Not used in this set.) 66 EE SIO I/O Data input from/output to EEPR OM. (Not used in this set.
– 14 – SENSOR board POWER board SERVO board LAMP board MAIN board 4-2. CIRCUIT BO ARDS LOCA TION.
– 15 – – 16 – 4-3. BLOCK DIAGRAM MDX-65 +9V DCS6 DCS1 11 FOCUS 8 DRIVER CONTROL 5 6 IC300 SLED/SPINDLE MOTOR DRIVE, FOCUS/TRACKING COIL DRIVE 26 TRACKING 29 DRIVER CONTROL 32 31 24 M902 (SLED).
– 17 – – 18 – MDX-65 4-4. PRINTED WIRING BO ARDS — SER V O SECTION — THIS NOTE IS COMMON FOR PRINDED WIRING BOARDS AND SCHEMA TIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) for schematic diagrams • All capacitors are in µ F unless otherwise noted.
– 19 – – 20 – MDX-65 (Page 27) D300 C-4 IC100 E-2 IC200 B-4 IC201 A-3 IC202 E-5 IC300 D-4 Q100 F-4 Q200 C-4 Ref. No. Location • Semiconductor Location.
4-5. SCHEMA TIC DIA GRAM — SER V O SECTION — • Refer to page 33 for W aveforms and pa ge 35 for IC Block Dia grams. – 21 – – 22 – MDX-65 (P age 23).
– 23 – – 24 – MDX-65 4-6. SCHEMA TIC DIA GRAM — MAIN SECTION — • Refer to page 34 for W aveforms and pa ge 37 for IC Bloc k Diagrams. (P age 22) (P age 32).
MDX-65 – 25 – – 26 – 4-7. PRINTED WIRING BOARDS — MAIN SECTION — D500 C-3 D501 C-3 D600 C-2 D601 B-2 D602 E-2 D800 A-3 D801 A-4 IC500 B-3 IC600 D-2 IC601 C-2 IC602 D-4 IC603 D-4 IC700 C-1 IC701 B-2 Q500 C-3 Q600 E-3 Q601 E-3 Q602 B-2 Q800 B-3 Q801 A-3 Ref.
– 27 – – 28 – MDX-65 (Page 30) (Page 20).
– 30 – MDX-65 – 29 – 4-8. PRINTED WIRING BO ARD — PO WER BOARD — D900 B-2 D901 B-2 D902 A-2 D903 A-2 D904 A-2 D905 A-2 D930 D-4 D940 E-6 D941 E-7 D950 E-5 D951 E-4 D952 E-3 D970 D-9 IC900 B-3 (IC902) E-1 IC930 C-4 IC970 E-7 Q910 C-2 Q920 C-2 Q930 D-5 Q931 D-3 Q932 B-3 Q940 E-6 Q941 E-6 Q950 E-3 Q970 E-4 Q972 D-8 Ref.
– 31 – – 32 – MDX-65 4-9. SCHEMA TIC DIA GRAM — PO WER SECTION — • Refer to page 37 for IC Bloc k Diagrams. (P age 24).
3.2 Vp-p 89 ns 2.8 Vp-p 354 ns 2.8 Vp-p 22.7 µ s 2.6 Vp-p 30.4 µ s 2.7 Vp-p 71 ns 2.8 Vp-p 44.3 ns 3.2 Vp-p 354 ns 3.2 Vp-p 22.7 µ s 2.0 Vp-p 400 mVp-p Approx.
– 35 – –1 –2 + – IVR BB + – IVR AA + – IVR CC + – IVR DD + – IVR + – EE EE' EFB TESW PTGR 48 MORFO 47 MORFI 46 RFO 45 OPN 44 OPO 43 ADDC 42 COMPP 41 COMPO 40 AGCI 39 RF AGC 38.
– 36 – 15 13 12 11 DC/DC CONVERTER CLK DETECTOR PRE-DRIVER CONTROL DRIVER PRE-DRIVER CONTROL DRIVER PRE-DRIVER CONTROL DRIVER PRE-DRIVER CONTROL DRIVER 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22.
– 37 – 1 2 3 4 5 6 7 8 9 10 GND IN1 VCC IN2 GND N.C. OUT2 VS OUT1 N.C. CONTROL LOGIC REFERENCE VOLTAGE S.C.P. COMPARATOR 1 SWITCH 'ON' AT 'H' PWM COMPARATOR S.
– 38 – 1 2 3 4 19 5 18 6 7 8 9 10 10 13 12 14 15 15 16 17 A A 8 #1 #1 #1 #1 2 16 16 11 20 21 SECTION 5 EXPLODED VIEWS NOTE: • The mechanical parts with no reference number in the exploded vie ws are not supplied. • Items marked “*” are not stocked since they are seldom required for routine service.
– 39 – 59 58 57 56 55 54 53 63 52 51 62 61 56 60 MG-798K-133 56 57 56 64 5-2. MAIN BO ARD SECTION Ref. No. Part No. Description Remark Ref. No. Part No.
– 40 – 102 103 104 101 105 106 107 S903 #4 #2 #2 #2 M904 #2 #2 #3 #4 S902 108 118 117 109 110 111 109 112 113 114 109 116 112 112 115 M903 101 101 109 5-3. MD SECTION (1) (MG-798K-133) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1 01 3-317-552-71 SCREW (M1.
– 41 – 163 151 152 #2 153 154 155 156 157 158 159 160 161 162 162 170 169 168 167 164 166 165 160 5-4. MD SECTION (2) (MG-798K-133) Ref. No. Part No.
– 42 – 207 206 205 225 204 203 202 201 223 222 219 221 220 224 214 212 211 226 209 208 #6 #6 213 215 216 M901 #7 #5 M902 #6 #6 #6 RV901 #2 #4 S901 #5 217 218 207 206 205 203 201 210 5-5. MD SECTION (3) (MG-798K-133) Ref. No. Part No. Description Remark Ref.
– 43 – SECTION 6 ELECTRICAL P ARTS LIST NO TE: • Due to standardization, replacements in the parts list may be different fr om the parts specified in the diagrams or the components used on the set. • -XX and -X mean standardized parts, so they may hav e some difference from the original one.
– 44 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark PO WER MAIN IC700 8-759-823-87 IC LB1638M IC701 8-759-823-87 IC LB1638M < RESISTOR > JC501 1-216-821-11 M E T.
– 45 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark PO WER C973 1-164-004-11 CERAMIC CHIP 0.1uF 10 % 25V C974 1-164-004-11 CERAMIC CHIP 0.1uF 10 % 25V C975 1-126-204-11 ELECT CHIP 47uF 2 0 % 16 V C976 1-128-590-11 ELECT CHIP 100uF 2 0 % 6.
– 46 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark SER V O A-3317-382-A SENSOR BOARD, COMPLETE ************************ When replacing any parts in the SENSOR board, the whole mounted board should be replaced.
– 47 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark SER V O The components identified by mark ! or dotted line with mark. ! are critical for safety . Replace only with part number specified. Les composants identifiés par une marque ! sont critiques pour la sécurité.
– 48 – Sony Corporation P ersonal & Mobile Communication Compan y 9-926-423-11 MDX-65 99A0478-1 Printed in Japan C 1999. 1 Published b y Quality Assurance Dept.
An important point after buying a device Sony MDX-65 (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 MDX-65 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 MDX-65 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sony MDX-65 you will learn all the available features of the product, as well as information on its operation. The information that you get Sony MDX-65 will certainly help you make a decision on the purchase.
If you already are a holder of Sony MDX-65, 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 MDX-65.
However, one of the most important roles played by the user manual is to help in solving problems with Sony MDX-65. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sony MDX-65 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
