— 4 —
5-3. VIDEO SECTION ADJUSTMENTS ·························· 5-12
3-1. PREPARATIONS BEFORE ADJUSTMENT·············· 5-12
3-1-1.Equipments to be Used················································· 5-12
3-1-2.Precautions in Adjustment ············································ 5-13
3-1-3.Connector for Adjustments··········································· 5-13
3-1-4.Connecting the Equipments·········································· 5-14
3-1-5.Checking the Input Signals··········································· 5-15
1. S VIDEO input ····························································· 5-15
2. VIDEO input ································································ 5-15
3-1-6.Alignment Tape ···························································· 5-16
3-1-7.Input/Output Level and Impedance ······························ 5-18
3-1-8.Recording Mode (Standard 8/Hi8) switching ·············· 5-18
3-1-9.Service Mode································································ 5-18
1. Test mode setting ·························································· 5-18
2. Emergency Memory Address ······································· 5-19
2-1. EMG CODE (Emergency Code) ·································· 5-19
2-2. MSW Codes ································································· 5-20
3. Bit value discrimination ··············································· 5-21
4. Input/output selection check········································· 5-21
5. Condensation, head clogging check ····························· 5-22
6. VTR state check (1)······················································ 5-22
7. VTR state check (2)······················································ 5-22
8. VTR state check (3)······················································ 5-23
9. Record of Use Check···················································· 5-23
3-2. SYSTEM CONTROL SYSTEM ADJUSTMENTS ···· 5-24
1. Initialization of D, E, F Page Data ······························· 5-24
2. Battery End Adjustment (VC-197 board)····················· 5-24
3. Battery down voltage check ········································· 5-24
3-3. SERVO SYSTEM ADJUSTMENTS ··························· 5-25
1. CAP FG Offset Adjustment (VC-197 board) ··············· 5-25
2. Switching Position Adjustment (VC-197 board)·········· 5-25
3. NTSC LP mode Switching Position Adjustment
(VC-197 board) ···························································· 5-26
3-4. VIDEO SYSTEM ADJUSTMENTS···························· 5-26
1. 28 MHz Origin Oscillation Adjustment
(VC-197 board) ···························································· 5-26
2. Filter f0 Adjustment (VC-197 board) ··························· 5-27
3. Y OUT Level Adjustment (VC-197 board) ·················· 5-27
4. C OUT Level Adjustment (VC-197 board) ·················· 5-28
5. RP Filter f0 Adjustment (VC-197 board) ····················· 5-28
6. AFC f0 Adjustment (VC-197 board) ···························· 5-29
7. NTSC Hi8 REC Y Current Adjustment
(VC-197 board) ···························································· 5-30
8. PAL Hi8 REC Y Current Adjustment
(VC-197 board) ···························································· 5-30
9. NTSC Hi8 REC C Current Adjustment
(VC-197 board) ···························································· 5-31
10. PAL Hi8 REC C Current Adjustment
(VC-197 board) ···························································· 5-32
11. REC C Current Adjustment
(VC-197 board) ···························································· 5-33
3-5. IR Transmitter Adjustments·········································· 5-34
1. IR Video Carrier Frequency Adjustment
(MI-27/28 board) ·························································· 5-34
2. IR Video Deviation Adjustment (MI-27/28 board) ······ 5-34
3. IR Audio Deviation Adjustment (MI-27/28 board) ······ 5-35
3-6. AUDIO SYSTEM ADJUSTMENT······························ 5-36
1. 1.5 MHz Deviation Adjustment (VC-197 board) ········· 5-37
2. 1.7 MHz Deviation Adjustment (VC-197 board) ········· 5-37
3. BPF f0 Adjustment (VC-197 board) ···························· 5-38
3-7. LCD SYSTEM ADJUSTMENT ·································· 5-39
1. LCD Initial Data Input ················································· 5-39
2. VCO Adjustment (PD-88 baord) ·································· 5-40
3. H POS Adjustment (VC-197 baord)····························· 5-40
4. Bright Adjustment (VC-197 baord)······························ 5-41
5. Contrast Adjustment (VC-197 baord) ·························· 5-41
6. Color Adjustment for NTSC model (VC-197 baord) ··· 5-42
7. Hue Adjustment for NTSC model (VC-197 baord) ···· 5-42
8. Burst Cleaning Adjustment for PAL model
(VC-197 baord) ···························································· 5-43
9. Color Adjustment for PAL model (VC-197 baord) ······ 5-43
10. V-COM Adjustment (PD-88 baord) ····························· 5-44
11. White Balance Adjustment (VC-197 baord) ················ 5-44
6. REPAIR PARTS LIST
6-1. EXPLODED VIEWS ··················································· 6-1
6-1-1.OUTER CABINET ASSEMBLY································· 6-1
6-1-2.LCD BLOCK, UPPER CABINET
BLOCK ASSEMBLY··················································· 6-2
6-1-3.MD BLOCK ASSEMBLY ··········································· 6-3
6-1-4.CASSETTE COMPARTMENT BLOCK SECTION··· 6-4
6-1-5.LS CHASSIS BLOCK SECTION ······························· 6-5
6-1-6.MECHANISM CHASSIS BLOCK SECTION············ 6-6
6-2. ELECTRICAL PARTS LIST ······································· 6-7
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