Toshiba D-VR4SU Service Manual page 73
Hi-fi vcr & dvd video recorder
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Also See for D-VR4SU:
- Owner's manual (88 pages) ,
- Service manual (9 pages) ,
- Owner's manual (92 pages)
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Read and perform this adjustment when repairing the
circuits or replacing electrical parts or PCB assemblies.
1. BASIC ADJUSTMENT
CAUTION
•
When you exchange IC and Transistor for a heat sink,
apply the silicon grease on the contact section of the
heat sink. Before applying new silicon grease, remove
all the old silicon grease. (Old grease may cause
damages to the IC and Transistor.)
1-1: PG SHIFTER
CONDITIONS
MODE-PLAYBACK
Input Signal-Alignment Tape
INSTRUCTIONS
1.
Connect CH-1 on the oscilloscope to TP3001 and CH-2
to J8005.
2.
Playback the alignment tape.
3.
Press and hold the Tracking-Auto button on the remote
control more than 2 seconds to set tracking to center.
4.
Press both CH UP button on the set and the STOP
button on the set for more than 2 seconds.
ELECTRICAL ADJUSTMENTS
6.5H
Fig. 1-1-A
6.5H
Fig. 1-1-B
CH-2
CH-1
CH-2
CH-1
D3-1
D-VR4SU/D-VR4SC
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