
SECTION 3
ELECTRICAL
CONTENTS
OVERALL BLOCK DIAGRAM
...................................................................................................................................3-
1
VCR PART
E
LECTRICAL ADJUSTMENT PROCEDURES
.......................................................................................................3-
2
ELECTRICAL TROUBLESHOOTING GUIDE
......................................................................................................3-
3
1. POWER(SMPS) CIRCUIT ............................................................................................................................................3-
3
2. SYSTEM/KEY CIRCUIT ...............................................................................................................................................3-7
3. SERVO CIRCUIT..........................................................................................................................................................3-8
4. Y/C CIRCUIT ..............................................................................................................................................................3-11
5. Hi-Fi CIRCUIT ............................................................................................................................................................3-15
6. Tuner/IF CIRCUIT ......................................................................................................................................................3-18
BLOCK DIAGRAMS
.....................................................................................................................................................3-20
1. Power (SMPS) BLOCK DIAGRAM ...........................................................................................................................3-20
2. TU/IF, NICAM & A2 BLOCK DIAGRAM ....................................................................................................................3-22
3. VPS BLOCK DIAGRAM ............................................................................................................................................3-23
4. Y/C BLOCK DIAGRAM..............................................................................................................................................3-24
5. Hi-Fi BLOCK DIAGRAM............................................................................................................................................3-26
6. SYSTEM BLOCK DIAGRAM.....................................................................................................................................3-28
CIRCUIT DIAGRAMS
..................................................................................................................................................3-30
1. Power (SMPS) CIRCUIT DIAGRAM .........................................................................................................................3-30
2. TU/IF, NICAM & A2 CIRCUIT DIAGRAM ..................................................................................................................3-32
3. A/V CIRCUIT DIAGRAM ............................................................................................................................................3-34
4. Hi-Fi CIRCUIT DIAGRAM..........................................................................................................................................3-36
5. SCART(JACK) CIRCUIT DIAGRAM .........................................................................................................................3-38
6. SYSTEM CIRCUIT DIAGRAM ...................................................................................................................................3-40
• WAVEFORMS ..............................................................................................................................................................3-42
• CIRCUIT VOLTAGE CHART .......................................................................................................................................3-44
PRINTED CIRCUIT DIAGRAMS
..............................................................................................................................3-48
1. MAIN P.C.BOARD......................................................................................................................................................3-48
2. KEY P.C.BOARD........................................................................................................................................................3-50
3. CLOCK P.C.BOARD ..................................................................................................................................................3-50
DVD PART
ELECTRICAL TROUBLESHOOTING GUIDE
....................................................................................................3-52
1. µ-COM CIRCUIT ........................................................................................................................................................3-52
2. MPEG CIRCUIT .........................................................................................................................................................3-55
3. RF/Servo CIRCUIT ....................................................................................................................................................3-56
BLOCK DIAGRAMS
.....................................................................................................................................................3-60
1. DVD Overall BLOCK DIAGRAM...............................................................................................................................3-60
2. RF/CD DSP/DVD DSP/DVD SERVO BLOCK DIAGRAM.........................................................................................3-61
3. Audio BLOCK DIAGRAM..........................................................................................................................................3-62
4. MPEG BLOCK DIAGRAM .........................................................................................................................................3-63
CIRCUIT DIAGRAMS
..................................................................................................................................................3-64
1. DVD DSP CIRCUIT DIAGRAM..................................................................................................................................3-64
2. DRIVE & RF CIRCUIT DIAGRAM .............................................................................................................................3-66
3. MPEG CIRCUIT DIAGRAM .......................................................................................................................................3-68
4. Audio DM CIRCUIT DIAGRAM .................................................................................................................................3-70
5. MEMORY CIRCUIT DIAGRAM..................................................................................................................................3-72
6. SCART(JACK) CIRCUIT DIAGRAM .........................................................................................................................3-74
• WAVEFORMS ..............................................................................................................................................................3-76
• CIRCUIT VOLTAGE CHART .......................................................................................................................................3-78
PRINTED CIRCUIT DIAGRAMS
..............................................................................................................................3-82
1. MAIN P.C.BOARD (TOP VIEW).................................................................................................................................3-83
1. MAIN P.C.BOARD (BOTTOM VIEW) ........................................................................................................................3-84
Summary of Contents for HV-DX1E
Page 30: ...MEMO 3 19 ...
Page 32: ...3 32 3 33 2 TU IF NICAM A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO SANYO SCART ...
Page 35: ...3 38 3 39 5 SCART JACK CIRCUIT DIAGRAM SANYO SCART DX1EV SP DX1UK ...
Page 41: ...3 50 3 51 2 KEY P C BOARD LOCATION GUIDE 3 CLOCK P C BOARD LOCATION GUIDE ...
Page 56: ...3 68 3 69 3 MPEG CIRCUIT DIAGRAM ...
Page 59: ...3 74 3 75 6 SCART JACK CIRCUIT DIAGRAM ...
Page 63: ...3 82 3 83 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW LOCATION GUIDE ...
Page 64: ......
Page 65: ......
Page 88: ...4 22 GEAR F R GEAR AY P2 P3 Lever F R Base Tension Boss CAM ...
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Page 125: ...July 02 K SANYO Electric Co Ltd Osaka Japan ...