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— 5 —
3-3.
SERVO AND RF SYSTEM ADJUSTMENT ··············· 5-45
1.
Cap FG Duty Adjustment (VC-227 board) ··················· 5-45
2.
T reel FG Duty Adjustment (VC-227 board) ·············· -5-45
3.
PLL f
0
& LPF f
0
Adjustment (VC-227 board) ··············· 5-45
4.
Switching Position Adjustment (VC-227 board) ··········· 5-46
5.
AGC Center Level and APC & AEQ Adjustment ········· 5-46
5-1.
Preparations before adjustments ···································· 5-46
5-2.
AGC Center Level Adjustment (VC-227 board) ··········· 5-46
5-3.
APC & AEQ Adjustment (VC-227 board) ···················· 5-47
5-4.
Processing after Completing Adjustments ···················· 5-47
6.
PLL f
0
& LPF f
0
Final Adjustment (VC-227 board) ······ 5-47
3-4.
VIDEO SYSTEM ADJUSTMENTS ····························· 5-48
3-4-1. Base Band Block Adjustments ······································ 5-48
1.
1.
Chroma BPF f
0
Adjustment (VC-227 Board) ················ 5-48
2.
S VIDEO OUT Y Level Adjustment (VC-227 Board) ·· 5-48
3.
S VIDEO OUT Chroma Level Adjustment
(VC-227 Board) ····························································· 5-49
(VC-227 Board) ····························································· 5-49
4.
AV OUT Y, Chroma Level Check (VC-227 Board) ······ 5-49
5.
PLL Adjustment (VC-227 Board) ································· 5-50
3-4-2. BIST Check ··································································· 5-51
1.
1.
Playback System Check ················································ 5-51
1-1.
Preparation for Playback ··············································· 5-51
1-2.
IC1900(TRX) BIST(PB) Check ···································· 5-51
1-3.
IC1601(TFD) BIST(PB) Check ···································· 5-51
1-4.
IC1600(SFD) BIST(PB) Check ····································· 5-51
1-5.
IC1501(VFD) BIST(PB) Check ···································· 5-52
2.
Recording System Check ·············································· 5-53
2-1.
Preparations for recording ············································· 5-53
2-2.
IC1501(VFD) BIST(REC) Check ································· 5-53
2-3.
IC1600(SFD) BIST(REC) Check ·································· 5-53
2-4.
IC1601(TFD) BIST(REC) Check ································· 5-54
2-5.
IC1900(TRX) BIST(REC) Check ································· 5-54
3-5.
IR TRANSMITTER ADJUSTMENTS ························· 5-55
1.
IR Video Carrier Frequency Adjustment
(MR-44 board) ······························································· 5-55
(MR-44 board) ······························································· 5-55
2.
IR Video Deviation Adjustment (MR-44 board) ··········· 5-55
3.
IR Audio Deviation Adjustment (MR-44 board) ··········· 5-56
3-6.
AUDIO SYSTEM ADJUSTMENTS ···························· 5-57
1.
Playback Level Check ··················································· 5-58
2.
Overall Level Characteristics Check ····························· 5-58
3.
Overall Distortion Check ··············································· 5-58
4.
Overall Noise Level Check ············································ 5-58
5.
Overall Separation Check ·············································· 5-58
5-4.
SERVICE MODE ·························································· 5-59
4-1.
ADJUSTMENT REMOTE COMMANDER ················ 5-59
1.
Using the adjustment remote commander ····················· 5-59
2.
Precautions upon using the adjustment
remote commander ························································ 5-59
remote commander ························································ 5-59
4-2.
DATA PROCESS ··························································· 5-60
4-3.
SERVICE MODE ·························································· 5-61
1.
Setting the Test Mode ···················································· 5-61
2.
Emergence Memory Address ········································ 5-61
2-1.
EMG Code (Emergency Code) ····································· 5-61
2-2.
MSW Code ···································································· 5-62
3.
Bit value discrimination ················································ 5-63
4.
Switch check (1) ···························································· 5-63
5.
Switch check (2) ···························································· 5-64
6.
Record of Use check ······················································ 5-64
6.
REPAIR PARTS LIST
6-1.
EXPLODED VIEWS ······················································ 6-1
6-1-1. CABINET (R) SECTION-1 ············································ 6-1
6-1-2. CABINET (R) SECTION-2 ············································ 6-2
6-1-3. CABINET (R) SECTION-3 ············································ 6-3
6-1-4. CABINET (L) BLOCK ASSEMBLY ····························· 6-4
6-1-5. LENS ASSEMBLY, EVF BLOCK ASSEMBLY ············ 6-5
6-1-2. CABINET (R) SECTION-2 ············································ 6-2
6-1-3. CABINET (R) SECTION-3 ············································ 6-3
6-1-4. CABINET (L) BLOCK ASSEMBLY ····························· 6-4
6-1-5. LENS ASSEMBLY, EVF BLOCK ASSEMBLY ············ 6-5
6-1-6. CASSETTE COMPARTMENT AND DRUM ASSY
SECTION ········································································ 6-6
6-1-7. LS CHASSIS SECTION ················································· 6-7
6-1-8. MECHANISM CHASSIS BLOCK SECTION-1 ··········· 6-8
6-1-9. MECHANISM CHASSIS BLOCK SECTION-2 ··········· 6-9
6-2.
6-1-8. MECHANISM CHASSIS BLOCK SECTION-1 ··········· 6-8
6-1-9. MECHANISM CHASSIS BLOCK SECTION-2 ··········· 6-9
6-2.
ELECTRICAL PARTS LIST ········································ 6-10
Parts list of the VC-227 board is not shown.
Pages from 6-18 to 6-25 are not shown.
Pages from 6-18 to 6-25 are not shown.
*
Parts reference sheet and color reproduction frame are
shown on page 226 and 227.
shown on page 226 and 227.
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