Title - Sony DCR-TRV820 Service Manual

Digital video cassette recorder digital 8
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Schematic Diagram .................................................... 4-15
Schematic Diagram .................................................... 4-17
Schematic Diagram .................................................... 4-19
VC-235 (VIDEO IN/OUT) Schematic Diagram .......... 4-21
Schematic Diagram .................................................... 4-23
Schematic Diagram .................................................... 4-25
Schematic Diagram .................................................... 4-27
Schematic Diagram .................................................... 4-29
Schematic Diagram .................................................... 4-35
CONTROL) Schematic Diagram ................................ 4-37
VC-235 (SERVO) Schematic Diagram ..................... 4-39
FP-249, FP-355, FP-356 Printed Wiring Boards and
VC-235 (D/A CONVERTER) Schematic Diagram ..... 4-41
Schematic Diagram .................................................... 4-45
Schematic Diagram .................................................... 4-47
Schematic Diagram .................................................... 4-49
Schematic Diagram .................................................... 4-53
PC-78 Printed Wiring Board ....................................... 4-55
PR-33 Printed Wiring Board ....................................... 4-57
PR-33 (PRINTER DRIVE), FP-162, FP-227
Schematic Diagram .................................................... 4-59
Schematic Diagram .................................................... 4-61
SE-114 Printed Wiring Board ..................................... 4-63
SE-114 Schematic Diagram ....................................... 4-65
FP-156, MI-37 Printed Wiring Boards ........................ 4-67
Schematic Diagram .................................................... 4-71
CF-72 Printed Wiring Board ....................................... 4-75
MF-10000, CF-72 Schematic Diagram ...................... 4-79
KP-009 Printed Wiring Board and
Schematic Diagram .................................................... 4-81
VF-141 Printed Wiring Board ..................................... 4-83
VF-141 Schematic Diagram ....................................... 4-85
FK-10000 Schematic Diagram ................................... 4-87
LB-62 Printed Wiring Board ....................................... 4-88
LB-62 Schematic Diagram ......................................... 4-89
PD-118 Printed Wiring Board ..................................... 4-91
PR-10000, PD-118 (CG LCD DRIVER, BACK LIGHT)
Schematic Diagram .................................................... 4-97
FU-141 Printed Wiring Board ..................................... 4-99
SS-10000, FU-141 Schematic Diagram .................... 4-101
4-3.
Waveforms ................................................................. 4-103
4-4.
Parts Location ............................................................ 4-107
5.
1.
Before Starting Adjustment ........................................ 5-1
1-1.
5-1.
Camera Section Adjustment ...................................... 5-4
1-1.
(Camera Section) .................................................. 5-4
Page
Section
1-1-1. List of Service Tools .............................................. 5-4
1-1-2. Preparations .......................................................... 5-6
1-1-3. Precaution ............................................................. 5-8
1. Setting the Switch ................................................. 5-8
2. Order of Adjustments ............................................ 5-8
3. Subjects ................................................................. 5-8
1-2.
and Modification of B Page Data .......................... 5-9
1-2-1. Initialization of 8, C, D Page Data ......................... 5-9
1. Initializing the 8, C, D Page Data .......................... 5-9
2. Modification of 8, C, D Page Data ........................ 5-9
3. 8 Page Table ......................................................... 5-9
4. C Page Table ......................................................... 5-10
5. D Page Table ......................................................... 5-11
1-2-2. Initialization of 7, E, F Page Data ......................... 5-12
1. Initializing the 7, E, F Page Data .......................... 5-12
2. Modification of 7, E, F Page Data ......................... 5-12
3. 7 Page Table ......................................................... 5-12
4. E Page Table ......................................................... 5-13
5. F Page Table ......................................................... 5-14
1-2-3. Modification of B Page Data ................................. 5-15
1. Modification of B Page Data ................................. 5-15
2. B Page Table ......................................................... 5-15
1-3.
Camera System Adjustments ............................... 5-15
1. HALL Adjustment ................................................... 5-15
2. Flange Back Adjustment
(Using the Minipattern Box) .................................. 5-16
3. Flange Back Adjustment
(Using Flange Back Adjustment Chart Subject
More Than 500 m Away) ....................................... 5-17
3-1. Flange Back Adjustment (1) .................................. 5-17
3-2. Flange Back Adjustment (2) .................................. 5-17
4. Flange Back Check ............................................... 5-18
5. Optical Axis Adjustment ........................................ 5-19
6. Picture Frame Setting ........................................... 5-20
7. Color Reproduction Adjustment ............................ 5-21
8. AWB & LV Standard Data Input ............................ 5-22
9. Auto White Balance Adjustment ........................... 5-22
10. White Balance Check ............................................ 5-23
SteadyShot Check ................................................ 5-24
1-4.
System Adjustments .............................................. 5-25
1. EVF Initial Data Input (1) ...................................... 5-25
2. EVF Initial Data Input (2) ...................................... 5-26
3. VCO Adjustment (VF-141 Board) ......................... 5-26
5. Contrast Adjustment (VF-141 Board) ................... 5-27
(VF-141 Board) ..................................................... 5-28
1-5.
LCD System Adjustments ..................................... 5-29
1. LCD Initial Data Input (1) ...................................... 5-29
2. LCD Initial Data Input (2) ...................................... 5-30
3. VCO Adjustment (PD-118 Board) ......................... 5-30
5. Contrast Adjustment (PD-118 Board) ................... 5-31
7. V-COM Adjustment (PD-118 Board) ..................... 5-32
(PD-118 Board) ..................................................... 5-33
5-2.
Mechanism Section Adjustment ................................. 5-34
2-1.
Hi8/Standard 8 mm Mode ..................................... 5-34
2-1-2. Tape Path Adjustment ........................................... 5-34
1. Preparations for Adjustment ................................. 5-34
2-2.
Digital8 Mode ........................................................ 5-35
2-2-3. Overall Tape Path Check ...................................... 5-35
2. Tape Path Check ................................................... 5-35
5-3.
Video Section Adjustment .......................................... 5-36
3-1.
Preparations Before Adjustments ......................... 5-36
- 5 -
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