Sony GV-D1000 Service Manual page 5

5. ADJUSTMENTS
1. Adjusting items when replacing main parts and boards. · 5-2
5-1. ADJUSTMENT PREPARATIONS ································· 5-3
1-1. PREPARATIONS BEFORE ADJUSTMENT ················· 5-3
1-1-1. List of Service Tools ························································ 5-3
5-2. MECHANISM SECTION ADJUSTMENT ···················· 5-4
2-1. HOW TO ENTER RECORD MODE WITHOUT
CASSETTE ····································································· 5-4
2-2. HOW TO ENTER PLAYBACK MODE WITHOUT
CASSETTE ····································································· 5-4
2-3. TAPE PATH ADJUSTMENT ·········································· 5-4
1. Preparation for Adjustment ············································· 5-4
2. Processing after Completing Operations ························· 5-4
5-3. ELECTRICAL ADJUSTMENT ······································ 5-5
3-1. PREPARATIONS BEFORE ADJUSTMENTS ·············· 5-5
3-1-1. Equipment to Required ···················································· 5-5
3-1-2. Precautions on Adjusting ················································· 5-6
3-1-3. Adjusting Connectors ······················································ 5-6
3-1-4. Connecting the Equipment ·············································· 5-7
3-1-5. Alignment Tapes ······························································ 5-8
3-1-6. Input/Output Level and Impedance ································· 5-8
3-2. INITIALIZATION OF B, C, D, E, F, 7, 8 PAGE DATA · 5-9
3-2-1. INITIALIZATION OF E, F, 7 PAGE DATA ··················· 5-9
1. Initializing the E, F, 7 Page Data ····································· 5-9
2. Modification of E, F, 7 Page Data ··································· 5-9
3. F Page Table ···································································· 5-9
4. E Page Table ···································································· 5-9
5. 7 Page Table ····································································· 5-9
3-2-2. INITIALIZATION OF C, D, 8 PAGE DATA ················ 5-10
1. Initializing the C, D, 8 Page Data ·································· 5-10
2. Modification of C, D, 8 Page Data ································ 5-10
3. C Page Table ·································································· 5-10
4. D Page Table ·································································· 5-12
5. 8 Page Table ··································································· 5-13
3-2-3. INITIALIZATION OF B PAGE DATA ························· 5-14
1. Initializing the B Page Data ··········································· 5-14
2. Modification of B Page Data ········································· 5-14
3. B Page Table ·································································· 5-14
3-3. SYSTEM CONTROL SYSTEM ADJUSTMENT ········ 5-15
1. Serial No. Input ····························································· 5-15
1-1. Company ID Input ························································· 5-15
1-2. Serial No. Input ····························································· 5-15
3-4. SERVO AND RF SYSTEM ADJUSTMENT ··············· 5-17
1. Cap FG Duty Adjustment (VC-275 board) ··················· 5-17
2. PLL f & LPF f Adjustment (VC-275 board) ·············· 5-17
0 0
3. Switching Position Adjustment (VC-275 board) ··········· 5-18
4. AGC Center Level and APC & AEQ Adjustment ········· 5-18
4-1. Preparations before adjustments ···································· 5-18
4-2. AGC Center Level Adjustment (VC-275 board) ··········· 5-19
4-3. APC & AEQ Adjustment (VC-275 board) ···················· 5-19
4-4. Processing after Completing Adjustments ···················· 5-20
5. PLL f & LPF f Fine Adjustment (VC-275 board) ······ 5-20
0 0
3-5. VIDEO SYSTEM ADJUSTMENTS ····························· 5-21
1. 40.5MHz/54MHz Origin Oscillation Adjustment
(MS-95 board) ······························································· 5-21
2. Chroma BPF f Adjustment (VC-275 board) ················ 5-21
0
3. S VIDEO OUT Y Level Adjustment (VC-275 board) ··· 5-22
4. S VIDEO OUT Chroma Level Adjustment
(VC-275 board) ····························································· 5-22
3-6. AUDIO SYSTEM ADJUSTMENTS ···························· 5-24
1. Playback Level Check ··················································· 5-24
2. Overall Level Characteristics Check ····························· 5-24
3. Overall Distortion Check ··············································· 5-24
4. Overall Noise Level Check ············································ 5-25
5. Overall Separation Check ·············································· 5-25
3-7. LCD SYSTEM ADJUSTMENT ··································· 5-26
1. LCD Initial Data Input (1) ············································· 5-26
2. LCD Initial Data Input (2) ············································· 5-27
3. VCO Adjustment (PD-130 board) ································· 5-27
4. RGB AMP Adjustment (PD-130 board) ························ 5-28
5. Contrast Adjustment (PD-130 board) ···························· 5-28
6. COM AMP Adjustment (PD-130 board) ······················· 5-29
7. V-COM Adjustment (PD-130 board) ···························· 5-29
8. White Balance Adjustment (PD-130 board) ·················· 5-30
5-4. SERVICE MODE ·························································· 5-31
4-1. ADJUSTMENT REMOTE COMMANDER ················ 5-31
1. Using the adjustment remote commander ····················· 5-31
2. Precautions upon using the adjustment remote
commander ···································································· 5-31
4-2. DATA PROCESS ··························································· 5-32
4-3. SERVICE MODE ·························································· 5-33
1. Setting the Test Mode ···················································· 5-33
2. Emergence Memory Address ········································ 5-33
2-1. EMG Code (Emergency Code) ····································· 5-33
2-2. MSW Code ···································································· 5-34
3. Bit value discrimination ················································ 5-35
4. Switch check (1) ···························································· 5-35
5. Switch check (2) ···························································· 5-35
6. Switch check (3) ···························································· 5-35
7. Switch check (4) ···························································· 5-36
8. Switch check (5) ···························································· 5-36
9. Record of Use check ······················································ 5-37
10. Record of Self-diagnosis check ····································· 5-37
6. REPAIR PARTS LIST
6-1. EXPLODED VIEWS ······················································ 6-1
6-1-1. OVERALL SECTION ····················································· 6-1
6-1-2. CABINET (UPPER) SECTION-1 ·································· 6-2
6-1-3. CABINET (UPPER) SECTION-2 ·································· 6-3
6-1-4. LCD SECTION ······························································· 6-4
6-1-5. CASSETTE COMPARTMENT AND DRUM BLOCK
ASSEMBLY ···································································· 6-5
6-1-6. LS CHASSIS BLOCK ASSEMBLY ······························· 6-6
6-1-7. MECHANISM CHASSIS BLOCK ASSEMBLY ··········· 6-7
6-2. ELECTRICAL PARTS LIST ·········································· 6-8
Parts list of the MS-95 board are not shown.
Pages from 6-10 to 6-11 are not shown.
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GV-D1000/D1000E