Sony MDX-65 3-7. SERVO BOARD, 3-8. OPTICAL PICK-UP

– 9 –

screws

(K1.7x3.5

)

optical pick-up

CN200

CN100

CN300

CN400

screws

(M1.7x2.2)

SERVO board

Unsolder the

motor lead wires.

3-7. SERVO BOARD3-8. OPTICAL PICK-UP

Contents

Main MICROFILM SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model FEATURES MINIDISC CHANGER MDX-65 TABLE OF CONTENTS 1. SERVICE NOTE 2. GENERAL 6. ELECTRICAL PARTS LIST 3. DISASSEMBLY 4. DIAGRAMS SECTION 1 SERVICE NOTE 1-1. TO PLACE THE SET INTO PLAYBACK MODE 1-2. HOW TO CHECK THE SERVO BOARD WAVEFORMS Page Page BVTT 2.6x 6 case (upper) BVTT 2.6x6 SECTION 3 DISASSEMBLY 3-1. PANEL (REAR) ASSY 3-2. CASE (UPPER) 3-3. PANEL (FRONT) ASSY 3-4. MD BLOCK 3-5. MAIN BOARD 3-6. CHASSIS (OP) BLOCK screws (K1.7x3.5 optical pick-up ) 3-7. SERVO BOARD 3-8. OPTICAL PICK-UP 3-9. NOTE ON ASSEMBLY FOR THE CHASSIS (OP) BLOCK 4-1. IC PIN DESCRIPTIONS SECTION 4 DIAGRAMS Page Page Page 15 16 4-3. BLOCK DIAGRAM Signal Path : PB 17 18 4-4. PRINTED WIRING BOARDS SERVO SECTION 19 20 Page Page 25 26 4-7. PRINTED WIRING BOARDS MAIN SECTION Page 30 29 4-8. PRINTED WIRING BOARD POWER BOARD Page 2.8 Vp-p 33 34 s 22.7 3.2 Vp-p 354 ns 35 IC Block Diagrams Servo Section IC100 CXA2523AR 36 PS CLOCK LG VC 37 IC500 PCM1718E-T1 IC900 BA8272F-E2 DATA OUT BUS DATA SECTION 5 EXPLODED VIEWS 39 5-2. MAIN BOARD SECTION 40 5-3. MD SECTION (1) (MG-798K-133) 41 5-4. MD SECTION (2) (MG-798K-133) 42 43 SECTION 6 ELECTRICAL PARTS LIST MAINLAMP 44 POWERMAIN 45 POWER 46 SERVO SENSOR 47 SERVO 251 254 252 255 256 253 257