— 6 —
• CF-077 (SWITCH)
SCHEMATIC DIAGRAM ····························4-37
• VC-251 (CAMERA PROCESSOR, Y/C PROCESSOR,
FOCUS/ZOOM MOTOR DRIVE, REC/PB AMP, LINE
I/O AMP, SERVO, MODE CONTROL, HI CONTROL,
AUDIO, DC/DC CONVERTER, CONNECTOR)
PRINTED WIRING BOARD ·······················4-39
• VC-251 (CAMERA PROCESSOR AMP)(1/11)
SCHEMATIC DIAGRAM ····························4-43
• VC-251 (Y/C PROCESSOR)(2/11)
SCHEMATIC DIAGRAM ····························4-45
• VC-251 (FOCUS/ZOOM MOTOR DRIVE)(3/11)
SCHEMATIC DIAGRAM ····························4-47
• VC-251 (REC/PB AMP)(4/11)
SCHEMATIC DIAGRAM ····························4-49
• VC-251 (LINE I/O AMP)(5/11)
SCHEMATIC DIAGRAM ····························4-51
• FP-249 (S/T REEL SENSOR, TAPE TOP),
FP-356 (TAPE END), FP-355 (TAPE LED)
FLEXIBLE BOARDS···································4-52
• VC-251 (SERVO)(6/11)
SCHEMATIC DIAGRAM ····························4-53
• VC-251 (MODE CONTROL)(7/11)
SCHEMATIC DIAGRAM ····························4-55
• VC-251 (HI CONTROL)(8/11)
SCHEMATIC DIAGRAM ····························4-57
• VC-251 (AUDIO)(9/11)
SCHEMATIC DIAGRAM ····························4-59
• VC-251 (DC/DC CONVERTER)(10/11)
SCHEMATIC DIAGRAM ····························4-61
• VC-251 (CONNECTOR)(11/11)
SCHEMATIC DIAGRAM ····························4-63
• FP-257 (VIDEO LIGHT, S VIDEO)
FLEXIBLE BOARD ·····································4-65
4-3. WAVEFORMS ······························································4-66
4-4. MOUNTED PARTS LOCATION ·································4-70
5. ADJUSTMENTS
1. Before starting adjustment···············································5-2
1-1. Adjusting items when replacing main parts and boards ··5-2
5-1. CAMERA SECTION ADJUSTMENT ···························5-4
1-1. PREPARATIONS BEFORE ADJUSTMENT
(CAMERA SECTION) ···················································5-4
1-1-1.List of Service Tools ························································5-4
1-1-2.Preparations ·····································································5-5
1-1-3.Precaution ········································································5-8
1. Setting the Switch····························································5-8
2. Order of Adjustments ······················································5-8
3. Subjects ···········································································5-8
1-2. INITIALIZATION OF D, E, F, 7 PAGE DATA ··············5-9
1. Initializing the D, E, F, 7 Page Data ································5-9
2. Modification of D, E, F, 7 Page Data ······························5-9
3. D Page Table····································································5-9
4. F Page table ···································································5-10
5. E Page Table ··································································5-12
6. 7 Page Table···································································5-13
1-3. CAMERA SYSTEM ADJUSTMENTS ························5-14
1. Lens Type Input ·····························································5-14
2. HALL Adjustment ·························································5-14
3. Flange Back Adjustment (Using Minipattern Box)·······5-15
4. Flange Back Adjustment
(Using Flange Back Adjustment Chart and Subject
More Than 500m Away)················································5-16
4-1. Flange Back Adjustment (1) ··········································5-16
4-2. Flange Back Adjustment (2) ··········································5-16
5. Flange Back Check························································5-17
6. Picture Frame Setting ····················································5-18
7. Color Reproduction Adjustment····································5-19
8. Auto White Balance & LV Standard Data Input ···········5-20
9. Auto White Balance Adjustment ···································5-21
10. White Balance Check ····················································5-22
11. Angular Velocity Sensor Sensitivity Adjustment
(CCD-TR818/TRV68/TRV78/TRV78E/TRV88/TRV98/
TRV98E)········································································5-23
1-4. COLOR ELECTRONIC VIEWFINDER SYSTEM
ADJUSTMENT (CCD-TR818) ····································5-24
1. RGB AMP Adjustment (VF-141 board)························5-25
2. Contrast Adjustment (VF-141 board) ····························5-25
3. Backlight Consumption Current Adjustment
(LB-062 board) ······························································5-26
4. White Balance Adjustment (VF-141 board)··················5-26
1-5. MONOCHROME ELECTRONIC VIEWFINEDER
SYSTEM ADJUSTMENT
(CCD-TR618/TR618E/TR718E/TR728E/TRV49/
TRV49E/TRV58/TRV58E/TRV59E/TRV68/TRV78/
TRV78E/TRV88/TRV98/TRV98E) ·······························5-27
1-5-1.Horizontal Slant Check ·················································5-27
1-5-2.Centering Adjustment ····················································5-27
1-5-3.Focus Adjustment ··························································5-27
1-5-4.Aberration Adjustment ··················································5-28
1-5-5.Horizontal Amplitude Adjustment (VF-129 board) ······5-28
1-5-6.Vertical Amplitude Adjustment (VF-129 board) ···········5-29
1-5-7.Brightness Adjustment (VF-129 board) ························5-29
1-5-8.Horizontal Amplitude, Vertical Amplitude,
Focus Check ··································································5-29
1-6. LCD SYSTEM ADJUSTMENT
(CCD-TRV49/TRV49E/TRV58/TRV58E/TRV59E/
TRV68/TRV78/TRV78E/TRV88/ TRV98/TRV98E) ····5-30
1. LCD Type Check ···························································5-30
2. VCO Adjustment (PD-131 board) ·································5-31
3. RGB AMP Adjustment (PD-131 board)························5-31
4. Contrast Adjustment (PD-131 board) ····························5-32
5. COM AMP Adjustment (PD-131 board) ·······················5-32
6. V-COM Adjustment (PD-131 board) ····························5-33
7. White Balance Adjustment (PD-131 board)··················5-33
5-2. MECHANISM SECTION ADJUSTMENT··················5-34
2-1. ADJUSTMENT REMOTE COMMANDER ················5-34
2-2. OPERATING WITHOUT CASSETTE ························5-34
2-3. TAPE PATH ADJUSTMENT········································5-34
1. Preparations for Adjustment ··········································5-34
5-3. VIDEO SECTION ADJUSTMENTS ···························5-35
3-1. PREPARATIONS BEFORE ADJUSTMENTS ············5-35
3-1-1.Equipment to Required··················································5-35
3-1-2.Precautions on Adjusting···············································5-36
3-1-3.Adjusting Connectors ····················································5-37
3-1-4.Connecting the Equipment ············································5-37
3-1-5.Alignment Tape ·····························································5-38
3-1-6.Output Level and Impedance·········································5-39
3-1-7.Recording Mode (Standard 8/Hi8) switching ···············5-39
3-2. SYSTEM CONTROL SYSTEM ADJUSTMENT········5-40
1. Initialization of D, E, F, 7 Page Data ·····························5-40
3-3. SERVO SYSTEM ADJUSTMENT·······························5-40
1. CAP FG Offset Adjustment (VC-251 board) ················5-40
2. Switching Position Adjustment (VC-251 Board) ··········5-40
3-4. VIDEO SYSTEM ADJUSTMENTS·····························5-41
1. 28 MHz Origin Oscillation Adjustment
(VC-251 board) ·····························································5-41
2. AFC fo Adjustment (VC-251 board) ·····························5-42
3. Filter fo Adjustment (VC-251 board) ····························5-42
4. Y OUT Level Adjustment (VC-251 board) ···················5-43
5. C OUT Level Adjustment (VC-251 board) ···················5-43
6. REC Y Current Adjustment (VC-251 board) ················5-44
7. REC C/AFM Current Adjustment ·································5-45
7-1. Preparations ···································································5-45
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