Sony DCR-TRV120 Service Manual page 5

Section
PD-117 (RGB LCD DRIVER, TIMING GENERATOR)
Schematic Diagram ....................................................... 4-79
PR-10000, PD-117 (CG LCD DRIVER, BACK LIGHT)
Schematic Diagram ....................................................... 4-81
FU-138/143 Printed Wiring Board ................................. 4-83
SS-10000, FU-138/143 Schematic Diagram ................ 4-85
4-3. Waveforms ..................................................................... 4-87
4-4. Parts Location ............................................................... 4-91
5. ADJUSTMENTS
1. Before Starting Adjustment ........................................... 5-1
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 7, 8, C, D, E, F 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
1-3. Camera System Adjustments .................................. 5-15
1. HALL Adjustment ..................................................... 5-15
2. Flange Back Adjustment (Using 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
11. Angular Velocity Sensor Sensitivity Data Preset and
Steady Shot Check .................................................. 5-24
1-4. Monochrome Electronic Viewfinder
System Adjustments ................................................ 5-25
1-4-1. Horizontal Slant Check ............................................ 5-25
1-4-2. Centering Adjustment .............................................. 5-25
1-4-3. Focus Adjustment ..................................................... 5-25
1-4-4. Aberration Adjustment ............................................. 5-26
1-4-5. Horizontal Amplitude Adjustment (VF-129 Board) .. 5-26
1-4-6. Vertical Amplitude Adjustment (VF-129 Board) ....... 5-27
1-4-7. Brightness Adjustment (VF-129 Board) ................... 5-27
1-4-8. Horizontal Amplitude, Vertical Amplitude,
Focus Check ............................................................. 5-27
1-5. LCD System Adjustments
(DCR-TRV120/TRV120E/TRV120P/TRV125E) ....... 5-28
1. LCD Initial Data Input (1) ......................................... 5-28
2. LCD Initial Data Input (2) ......................................... 5-29
3. VCO Adjustment (PD-117 Board) ............................ 5-29
4. RGB AMP Adjustment (PD-117 Board) ................... 5-30
5. Contrast Adjustment (PD-117 Board) ...................... 5-30
6. COM AMP Adjustment (PD-117 Board) .................. 5-31
7. V-COM Adjustment (PD-117 Board) ........................ 5-31
8. White Balance Adjustment (PD-117 Board) ............ 5-32
Title Page Section
5-2. MECHANISM SECTION ADJUSTMENT ...................... 5-33
2-1. Hi8/Standard 8 mm Mode ........................................ 5-33
2-1-1. How to Enter Playback Mode Without Cassette ...... 5-33
2-1-2. Tape Path Adjustment .............................................. 5-33
1. Preparations for Adjustment .................................... 5-33
2-2. Digital8 Mode ........................................................... 5-34
2-2-1. How to Enter Record Mode Without Cassette ......... 5-34
2-2-2. How to Enter Playback Mode Without Cassette ...... 5-34
2-2-3. Overall Tape Path Check .......................................... 5-34
1. Recording of the Tape Path Check Signal ............... 5-34
2. Tape Path Check ...................................................... 5-34
5-3. Video Section Adjustment ............................................. 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. Input/output Level and Impedance .......................... 5-39
3-2. System Control System Adjustment ........................ 5-40
1. Initialization of 7, 8, C, D, E, F Page Data ............... 5-40
2. Node Unique ID No. Input ........................................ 5-40
2-1. Input of Company ID ................................................ 5-40
2-2. Input of Serial No. ..................................................... 5-40
3. Battery End Adjustment (VC-235 Board) ................ 5-42
3-3. Servo and RF System Adjustments ......................... 5-43
1. REEL FG Adjustment (VC-235 Board) .................... 5-43
2. PLL f & LPF f
0
3. Switching Position Adjustment (VC-235 Board) ...... 5-44
4. AGC Center Level Adjustment (VC-235 Board) ...... 5-44
5. APC & AEQ Adjustment (VC-235 Board) ................ 5-45
6. PLL f & LPF f
0
(VC-235 Board) ........................................................ 5-45
7. Hi8/standard 8 mm Switching Position Adjustment
(VC-235 Board) ........................................................ 5-46
8. CAP FG Duty Adjustment (VC-235 Board) ............. 5-46
3-4. Video System Adjustments ...................................... 5-47
3-4-1. Video System Adjustments ...................................... 5-47
1. 27 MHz/36 MHz Origin Oscillation Adjustment
(VC-235 Board)) ....................................................... 5-47
2. Chroma BPF f
3. S VIDEO OUT Y Level Adjustment
(VC-235 Board) ........................................................ 5-48
4. S VIDEO OUT Chroma Level Adjustment
(VC-235 Board) ........................................................ 5-48
5. VIDEO OUT Y, Chroma Level Check
(VC-235 Board) ........................................................ 5-49
6. Hi8/standard 8 mm AFC f
(VC-235 Board) (Using Digital Voltmeter) ................ 5-49
7. Hi8/standard 8 mm AFC f
(VC-235 Board) (Auto Adjustment) .......................... 5-49
3-5. IR Transmitter Adjustments ...................................... 5-50
1. IR Video Carrier Frequency Adjustment
(MI-37 Board) ........................................................... 5-50
2. IR Video Deviation Adjustment (MI-37 Board) ......... 5-50
3. IR Audio Deviation Adjustment (MI-37 Board) ........ 5-51
3-6. Audio System Adjustments ...................................... 5-52
1. Hi8/standard 8 mm AFM BPF f
(VC-235 Board) ........................................................ 5-52
2. Hi8/standard 8 mm AFM 1.5 MHz Deviation
Adjustment (VC-235 Board) ..................................... 5-53
3. Hi8/standard 8 mm AFM 1.7 MHz
Deviation Adjustment (VC-235 Board) .................... 5-53
4. Digital8 Playback Level Check ................................. 5-53
5. Overall Level Characteristics Check ........................ 5-53
6. Overall Distortion Check .......................................... 5-53
7. Overall Noise Level Check ....................................... 5-54
8. Overall Separation Check ........................................ 5-54
5-4. SERVICE MODE ........................................................... 5-55
4-1. Adjustment Remote Commander ............................ 5-55
1. Using the Adjustment Remote Commander ............ 5-55
2. Precautions Upon Using the Adjustment Remote
Commander .............................................................. 5-55
4-2. Data Process ............................................................ 5-56
- 5 -
Title
Pre-adjustment (VC-235 Board) ..... 5-43
0
Final Adjustment
0
Adjustment (VC-235 Board) ........... 5-47
0
Adjustment
0
Adjustment
0
Adjustment
0
Page