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ELECTRICAL ADJUSTMENTS
DVD PCB
CD2301
CD2001
CD2302
VCR PCB
CP4002
CP8102
CP2601
CP2603
CP2602
J8101
OS8101
J8103
SW8101
J8102
AC IN
CD501
CP501
CP8002
TP3001
CP102
AC HEAD
CD102
TP8001
J8001
CP103
FE HEAD
TU3001
TP101
TP3002
J8003
J8004
J8005
OS651
V651
CD681
CP651
OPERATION PCB
CP681
DVD DECK
CD8002
Fig. 1-1-B
Read and perform this adjustment when repairing the
circuits or replacing electrical parts or PCB assemblies.
1. BASIC ADJUSTMENT
CAUTION
1-1: SWITCHING POINT
CONDITIONS
MODE-PLAYBACK
Input Signal-Alignment Tape (MHP)
INSTRUCTIONS
Connect CH-1 on the oscilloscope to TP3002 and CH-2
to TP8001.
Playback the alignment tape. (MHP)
Press and hold the Tracking-Auto button on the remote
control more than 2 seconds to set tracking to center.
Press both CH UP button on the set and the STOP button
on the set for more than 2 seconds.
1.
2.
3.
4.
6.5H
CH-1
CH-2
CH-1
CH-2
6.5H
Fig. 1-1-A
When you exchange IC and Transistor for a heat sink,
apply the silicon grease (YG6260M) 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.)
ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (Connector Connections)
TP101
TP3001
TP3002
TP8001
:
:
:
:
Envelope
Service Mode
Switching Pulse
Switching Point