Sony hcd mg 110 service manual

Page 1

2 HCD-MG110/MG310AV TABLE OF CONTENTS FM tuner section Tuning range 87.5 – 108.0 MHz Antenna FM lead antenna Antenna terminals North American model: 75 ohms unbalanced Australian model: 75 ohms balanced Intermediate frequency 10.7 MHz AM tuner section Tuning range US, Canadian and Mexican model: 530 – 1,710 kHz (with the interval set at 10 kHz) 531 – 1,710 kHz (with the interval set at 9 kHz) Australian model: 531 – 1,602 kHz (with the interval set at 9 kHz) Antenna AM loop antenna Antenna terminals External antenna terminal Intermediate frequency 450 kHz General Power requirements US, Canadian and Mexican model: 120 V AC, 60 Hz Australian model:220 – 240 V AC, 50/60 Hz Power consumption US, Canadian and Mexican model MHC-MG310AV: 200 watts MHC-MG110: 150 watts Australian model MHC-MG310AV: 200 watts Dimensions (w/h/d) incl. projecting parts and controls Approx. 280 × 383 × 480 mm Mass MHC-MG310AV: Approx. 11.3 kg MHC-MG110: Approx. 10.9 kgSupplied accessories: Remote commander (1) Batteries (2) AM loop antenna (1) FM lead antenna (1) Rear speaker cords (MG310AV only) (2) Center speaker pads (attached to the backside of the center speaker) (MG310AV only) (2) Video cable (Australian model only) (1) Design and specifications are subject to change without notice. 1. SERVICING NOTE .................................................. 4 2. GENERAL ................................................................... 5 3. DISASSEMBLY 3-1. Disassembly Flow ........................................................... 7 3-2. Upper Cover .................................................................... 8 3-3. Front Block Assy ............................................................. 8 3-4. MAIN Board ................................................................... 9 3-5. Back Panel, DC Fan (M391) (Australian model) ........... 9 3-6. MAIN AMP Board, POWER Board ............................... 10 3-7. Middle (F) Assy, Bracket (Middle-R), Power Bracket ................................................................. 10 3-8. Mechanism Deck (CDM64-K1BD44A) ......................... 11 3-9. Base Unit (BU-K1BD44A) ............................................. 11 3-10. BU Holder Assy .............................................................. 12 3-11. Motor Gear Assy (Sled) (M102), CD Board .................. 12 3-12. Op Base Assy (KSM-213BFN) ...................................... 13 3-13. Cassette Lid Assy (A)/(B) ............................................... 13 3-14. Mech Deck (TAPE) ......................................................... 14 4. TEST MODE .............................................................. 15 5. MECHANICAL ADJUSTMENTS ....................... 16 6. ELECTRICAL ADJUSTMENTS Deck Section ............................................................................. 16 CD Section ................................................................................ 18 7. DIAGRAMS 7-1. Block Diagram – CD SERVO Section –........................ 21 7-2. Block Diagram – TUNER/TAPE DECK Section –...... 22 7-3. Block Diagram – SURROUND Section –...................... 23 7-4. Block Diagram – AMP Section –................................... 24 7-5. Block Diagram – DISPLAY/POWER SUPPLY Section –...................... 257-6. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 26 7-7. Schematic Diagram – CD Section –............................... 28 7-8. Printed Wiring Board – CD Section –............................ 29 7-9. Printed Wiring Boards – CD MOTOR/SENSOR Section –................................ 30 7-10. Schematic Diagram – CD MOTOR/SENSOR Section –................................ 31 7-11. Printed Wiring Board – TC Section –............................. 32 7-12. Schematic Diagram – TC Section –............................... 33 7-13. Schematic Diagram – MAIN Section (1/4) –................. 34 7-14. Schematic Diagram – MAIN Section (2/4) –................. 35 7-15. Schematic Diagram – MAIN Section (3/4) –................. 36 7-16. Schematic Diagram – MAIN Section (4/4) –................. 37 7-17. Printed Wiring Board – MAIN Section –....................... 38 7-18. Printed Wiring Boards – AMP Section –........................ 40 7-19. Schematic Diagram – AMP Section –............................ 41 7-20. Printed Wiring Boards – DISPLAY Section –............... 42 7-21. Schematic Diagram – DISPLAY Section –.................... 43 7-22. Printed Wiring Board – CONTROL Section –............... 44 7-23. Schematic Diagram – CONTROL Section –.................. 45 7-24. Printed Wiring Boards – POWER Section –.................. 46 7-25. Schematic Diagram – POWER Section –...................... 47 7-26. IC Pin Function Description ........................................... 48 8. EXPLODED VIEWS 8-1. General Section ............................................................... 54 8-2. Front Panel Section ......................................................... 55 8-3. Chassis Section ............................................................... 56 8-4. Mechanism Deck Section (CDM64-K1BD44A) ........... 57 8-5. Base Unit Section (BU-K1BD44A) ............................... 58 9. ELECTRICAL PARTS LIST ............................... 59 Ver 1.3