— 5 —
GV-D1000/D1000E
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
0
& LPF f
0
Adjustment (VC-275 board) ·············· 5-17
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
0
& LPF f
0
Fine Adjustment (VC-275 board) ······ 5-20
3-5.
VIDEO SYSTEM ADJUSTMENTS ····························· 5-21
1.
40.5MHz/54MHz Origin Oscillation Adjustment
(MS-95 board) ······························································· 5-21
2.
Chroma BPF f
0
Adjustment (VC-275 board) ················ 5-21
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.
Summary of Contents for GV-D1000E - Digital Video Cassette Recorder
Page 55: ...Schematic diagram of the MS 95 board are not shown Pages from 4 43 to 4 52 are not shown ...
Page 66: ...Printed wiring board of the MS 95 board are not shown Pages from 4 71 to 4 72 are not shown ...
Page 70: ...Waveforms of the MS 95 board are not shown Page 4 76 is not shown ...
Page 74: ...Mounted parts location of the MS 95 board is not shown Page 4 80 is not shown ...
Page 75: ...5 1 GV D1000 D1000E SECTION 5 ADJUSTMENTS COVER COVER ...