3-1
SECTION 3
ELECTRICAL
CONTENTS
VCR PART
ELECTRICAL ADJUSTMENT
PROCEDURES
. . . . . . . . . . . . . . . . . . . . . . . .3-2
ELECTRICAL TROUBLESHOOTING
GUIDE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
1. POWER(SMPS) CIRCUIT . . . . . . . . . . . . . .3-3
2. SYSTEM/KEY CIRCUIT . . . . . . . . . . . . . . .3-5
3. SERVO CIRCUIT . . . . . . . . . . . . . . . . . . . .3-6
4. OSD SCREEN ABNORMAL . . . . . . . . . . . .3-9
5. F.OSD SCREEN ABNORMAL . . . . . . . . . . .3-9
6. Y/C CIRCUIT . . . . . . . . . . . . . . . . . . . . . . .3-10
7. Hi-Fi CIRCUIT . . . . . . . . . . . . . . . . . . . . . .3-14
8. AUDIO CIRCUIT (MONO MODEL ONLY) .3-17
9. TUNER/IF CIRCUIT . . . . . . . . . . . . . . . . . .3-20
BLOCK DIAGRAMS
. . . . . . . . . . . . . . . . . .3-22
1. POWER(SMPS) BLOCK DIAGRAM 1 . . . .3-22
2. POWER(SMPS) BLOCK DIAGRAM 2 . . . .3-24
3. TU/IF, ACSS & A2 BLOCK DIAGRAM . . . .3-26
4. NORMAL AUDIO BLOCK DIAGRAM . . . . .3-28
5. A/V BLOCK DIAGRAM . . . . . . . . . . . . . . .3-30
6. Hi-Fi BLOCK DIAGRAM . . . . . . . . . . . . . .3-32
7. SYSTEM BLOCK DIAGRAM . . . . . . . . . . .3-34
CIRCUIT DIAGRAMS
. . . . . . . . . . . . . . . . .3-36
1. POWER(SMPS) CIRCUIT DIAGRAM 1 . . .3-36
2. POWER(SMPS) CIRCUIT DIAGRAM 2 . . .3-38
3. TU/IF, ACSS & A2 CIRCUIT DIAGRAM . . .3-40
4. A/V CIRCUIT DIAGRAM . . . . . . . . . . . . . .3-42
5. Hi-Fi CIRCUIT DIAGRAM . . . . . . . . . . . . .3-44
6. SYSTEM CIRCUIT DIAGRAM . . . . . . . . . .3-46
• WAVEFORMS . . . . . . . . . . . . . . . . . . . . . . .3-48
• CIRCUIT VOLTAGE CHART . . . . . . . . . . . .3-50
PRINTED CIRCUIT DIAGRAMS
. . . . . . .3-52
1. MAIN P.C.BOARD . . . . . . . . . . . . . . . . . . .3-52
2. KEY(RIGHT) P.C.BOARD . . . . . . . . . . . . .3-54
3. KEY(LEFT) P.C.BOARD . . . . . . . . . . . . . .3-54
DVD PART
ELECTRICAL TROUBLESHOOTING
GUIDE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-56
1. µ-COM CIRCUIT . . . . . . . . . . . . . . . . . . . .3-56
2. MPEG CIRCUIT . . . . . . . . . . . . . . . . . . . .3-59
3. RF/SERVO CIRCUIT . . . . . . . . . . . . . . . . .3-60
BLOCK DIAGRAMS
. . . . . . . . . . . . . . . . . .3-64
1. DVD OVERALL BLOCK DIAGRAM . . . . . .3-64
2. RF/CD DSP/DVD DSP/DVD SERVO
BLOCK DIAGRAM . . . . . . . . . . . . . . . . . .3-65
3. AUDIO BLOCK DIAGRAM . . . . . . . . . . . . .3-66
4. MPEG BLOCK DIAGRAM . . . . . . . . . . . . .3-67
CIRCUIT DIAGRAMS
. . . . . . . . . . . . . . . . .3-68
1. DVD DSP CIRCUIT DIAGRAM . . . . . . . . .3-68
2. DRIVE & RF CIRCUIT DIAGRAM . . . . . . .3-70
3. MPEG CIRCUIT DIAGRAM . . . . . . . . . . . .3-72
4. AUDIO DM CIRCUIT DIAGRAM . . . . . . . .3-74
5. MEMORY CIRCUIT DIAGRAM . . . . . . . . .3-76
6. JACK CIRCUIT DIAGRAM . . . . . . . . . . . . .3-78
• WAVEFORMS . . . . . . . . . . . . . . . . . . . . . . .3-80
• CIRCUIT VOLTAGE CHART . . . . . . . . . . . .3-82
PRINTED CIRCUIT DIAGRAMS
. . . . . . .3-86
1. MAIN P.C.BOARD (TOP VIEW) . . . . . . . . .3-86
2. MAIN P.C.BOARD (BOTTOM VIEW) . . . . .3-88
AMP PART
ELECTRICAL TROUBLESHOOTING
GUIDE
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-90
AUDIO µ-COM CIRCUIT . . . . . . . . . . . . . . . .3-90
WAVEFORMS OF MAJOR
CHECK POINT
. . . . . . . . . . . . . . . . . . . . . . .3-91
INTERNAL BLOCK DIAGRAM
OF ICS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-92
CIRCUIT VOLTAGE CHART
. . . . . . . . . . .3-93
BLOCK DIAGRAM
. . . . . . . . . . . . . . . . . . .3-95
CIRCUIT DIAGRAMS
. . . . . . . . . . . . . . . . .3-97
1. AMP CIRCUIT DIAGRAMS . . . . . . . . . . . .3-97
2. DSP(DIGITAL AUDIO PROCESSING)
CIRCUIT DIAGRAMS . . . . . . . . . . . . . . . .3-99
3. µ-COM CIRCUIT DIAGRAMS . . . . . . . . .3-101
PRINTED CIRCUIT DIAGRAMS
. . . . . .3-103
1. MAIN P.C.BOARD(SOLDER SIDE) . . . . .3-103
2. MAIN P.C.BOARD . . . . . . . . . . . . . . . . . .3-105
Summary of Contents for D35
Page 11: ...2 5 3 Speaker Section DTE 550TE Speaker Section Part List 850 852 851A 851 853 854 857 858...
Page 34: ......
Page 49: ...3 92 INTERNAL BLOCK DIAGRAM OF ICs CS8415A...
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Page 59: ...3 38 3 39 2 POWER SMPS CIRCUIT DIAGRAM 2...
Page 60: ...3 40 3 41 3 TU IF ACSS A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO...
Page 66: ...3 52 3 53 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Page 67: ...3 54 3 55 2 KEY RIGHT P C BOARD LOCATION GUIDE 3 KEY LEFT P C BOARD LOCATION GUIDE...
Page 68: ......
Page 71: ...3 72 3 73 3 MPEG CIRCUIT DIAGRAM Optical Coaxial out CVBS Y Pb Pr Componet Y C S VHS WAVEFORM...
Page 74: ...3 78 3 79 6 JACK CIRCUIT DIAGRAM...
Page 78: ...3 86 3 87 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW LOCATION GUIDE...
Page 79: ...3 88 3 89 2 MAIN P C BOARD BOTTOM VIEW LOCATION GUIDE...
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Page 83: ...3 97 3 98 CIRCUIT DIAGRAMS 1 AMP CIRCUIT DIAGRAMS...
Page 84: ...2 DSP DIGITAL AUDIO PROCESSING CIRCUIT DIAGRAMS 3 99 3 100...
Page 85: ...3 101 3 102 3 COM CIRCUIT DIAGRAMS...
Page 86: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD SOLDER SIDE LOCATION GUIDE 3 103 3 104...
Page 87: ...3 105 3 106 2 MAIN P C BOARD LOCATION GUIDE...
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Page 111: ...4 22 GEAR F R GEAR AY P2 P3 Lever F R Base Tension Boss CAM...
Page 120: ...MEMO...
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