31
VC-A422U
VC-H822U
5. ELECTRICAL ADJUSTMENT
Notes:
• Before the adjustment:
Electrical adjustments discussed here are often required after replacement of electronic components and mechanical
parts such as video heads.
Check that the mechanism and all electric components are in good working condition prior to the adjustments,otherwise
adjustments cannot be completed.
• Instruments required:
• Color TV monitor
• Dual-trace oscilloscope
• Audio signal generator
• AC milli-voltmeter
• Blank video cassette tape
• Alignment tape (VROEFZHS)
• Screwdriver for adjustment
• Color bar generator
• RF signal generator
TP201~204
R701
Figure 5-1.
Summary of Contents for VC-A422U
Page 51: ...VC A422U VC H822U VC A422U VC H822U 52 53 SIGNAL FLOW BLOCK DIAGRAM VC A422U ...
Page 52: ...VC A422U VC H822U VC A422U VC H822U 54 55 SIGNAL FLOW BLOCK DIAGRAM VC H822U ...
Page 53: ...56 VC A422U VC H822U POWER CIRCUIT BLOCK DIAGRAM ...
Page 63: ...72 VC A422U VC H822U M E M O ...
Page 76: ...85 VC A422U VC H822U M E M O ...