ELECTRICAL ADJUSTMENTS
1-20
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)
CD2601
CD2301
CD2302
CD681
VCR/DVD PCB
OPERATION PCB
CP681
DECK CD
CP2601
CP2301
CP2302
CP651
V651
OS651
J8005
J8004
J8003
TP3001
TP101
TP3002
CP103
TU301
TP8001
CP102
J8001
J8007
J8008
OS8001
J8006
SW7001
AC HEAD
CD102
AC IN
CD501
FE HEAD
TP101
TP3001
TP3002
TP8001
:
:
:
:
Envelope
Service Mode
Switching Pulse
Switching Point
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