Sharp MD-R3 Service Manual Page 90
- Page / 92
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- SERVICE MANUAL 1
- SPECIFICATIONS 2
- IMPORTANT SERVICE NOTES 2
- NAME OF PARTS 3
- OPERATION MANUAL 4
- TROUBLESHOOTING 5
- (Continued) 6
- Guía rápida 7
- DISASSEMBLY 8
- Turn clockwise the 9
- CD mechanism up to 9
- the uppermost position 9
- Display PWB 10
- CD MECHANISM SECTION 11
- MD MECHANISM SECTION 12
- Spindle Motor 13
- Turntable 13
- Ø1.7x2.5mm 13
- Extension cable 14
- Setting the CD TEST mode 14
- 2. Adjusting the servo unit 15
- CD SERVO PWB 16
- TEST MODE 17
- MD SECTION 18
- Loosen the 19
- Lead-In Switch 19
- Mechanism Switch PWB 19
- [ H B o : _ _ ] 21
- [ H E o : _ _ ] 21
- [ H F o : _ _ ] 21
- 7. MANUAL adjustment mode 22
- High reflection disc 22
- Low reflection disc 22
- 8. EEPROM setting mode 23
- [ H A L S O F_ _ ] 25
- [ L A L S O F S_ ] 25
- [ G A L S O F S_ ] 25
- 9. TEST-PLAY mode 26
- 11. INNER mode 27
- 10. TEST-REC mode 27
- 1pin of IC 1201 (TP1274) 28
- 88 pin of IC 1201 (TP1275) 28
- EXPLANATION OF ERROR DISPLAY 29
- -PROM Setting Mode Chart 32
- Figure 32 32
- NOTES ON SCHEMATIC DIAGRAM 33
- POWER+7V 35
- IX0240AW 36
- SYSTEM MICROCOMPUTER 36
- VOUTR,VOUTL 37
- REGULATOR 38
- MAIN CAM SWITCH 39
- TO MAIN PWB 39
- HOE-LD-PD 40
- CD MOTOR PWB-G 40
- PICKUP UNIT 40
- M65821FP 41
- SERVO/SIGNAL CONTROL 41
- SIGNAL PROCESSOR 41
- CD CHANGER PWB-D 42
- 8 9 10 11 12 43
- MIC PWB-B3 44
- SWITCH PWB-B5 44
- SWITCH PWB-B4 44
- MD SWITCH PWB-G 48
- MD MAIN PWB-E 49
- MAIN PWB-A 51
- COLOR TABLE 52
- TRAY SWITCH PWB-H 53
- PICK UP UNIT 54
- CD SERVO PWB-C 54
- MD PICKUP UNIT 55
- MD MECHANISM SWITCH PWB-F 55
- MD MAIN PWB - E (TOP VIEW) 56
- VOLTAGE (MD MAIN PWB) 58
- WAVEFORMS OF CD CIRCUIT 59
- WAVEFORMS OF MD CIRCUIT 60
- D/A CONVERSION PLAY 61
- CD fails to operate 62
- (FE OUT) 63
- (FS OUT) 63
- 1~2 sec 64
- Rotation cycle of motor 65
- Voltage varies depending 65
- When MD fails operate 66
- • Normal playback 68
- • Audio playback circuit 68
- • Focus servo failure 69
- • Disc motor fails to run 70
- • Tracking servo failure 70
- • Slide servo failure 70
- FUNCTION TABLE OF IC 71
- MICROCOMPUTER 72
- REF — + 3.15V 77
- TRG Input Connect +B 77
- LR376481 78
- PARTS GUIDE 79
- VIBRATORS 80
- DESCRIPTIONPARTS CODE 81
- NO. PART CODE 81
- DESCRIPTION 81
- RESISTORS 82
- OTHER CIRCUITRY PARTS 84
- MECHANICAL PARTS 84
- CD MECHANISM PARTS 85
- CHANGER MECHANISM 85
- CABINET PARTS 85
- ACCESSORIES 86
- OTHER SERVICE PARTS 86
- Silicon 90
- PACKING OF THE SET 91
- ALL RIGHTS RESERVED 92
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