Electrical Adjustments - Toshiba SD-25VLSR Service Manual

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 TP102 and CH-2
to pin 19 of J8001.
2. Playback the alignment tape.
3. Press and hold the ATR 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.
6.5H

ELECTRICAL ADJUSTMENTS

Fig. 1-1-A
6.5H
Fig. 1-1-B
CH-2
CH-1
CH-2
CH-1
D3-1