Electrical Adjustment - Sharp VC-A400U Service Manual

VC-A400U
VC-H800U

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 can not be completed.
• Instruments required:
• Color TV monitor
• Audio signal generator
• Blank video cassette tape
• Screwdriver for adjustment
• RF signal generator
R144
R142
P201
(TP201~204)
• Dual-trace oscilloscope
• AC milli-voltmeter
• Alignment tape (VROEFZCS or VROEFZHS)
• Color bar generator
Figure 5-1.
30
R724
TP802