Fig. 1-1-B
Read and perform this adjustment when repairing the
circuits or replacing electrical parts or PCB assemblies.
1. BASIC ADJUSTMENT
1-1: SWITCHING POINT
CONDITIONS
MODE-PLAYBACK
Input Signal-Alignment Tape (MHP)
INSTRUCTIONS
Connect CH-1 on the oscilloscope to TP1002 and CH-2
to TP4201.
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.
Adjust the VR1001 until the waveform of the oscilloscope
measures 6.5
±
0.5(H) at both leading and trailing edges.
(Refer to Fig. 1-1-A, B)
1.
2.
3.
4.
6.5H
CH-1
CH-2
CH-1
CH-2
6.5H
Fig. 1-1-A
ELECTRICAL ADJUSTMENTS
AC IN
TP4001
TP1002
TP4201
J4201
T501
VR1001
TU6001
J4203
J4205
TP1001
CP4002
A/C HEAD
CD1002
ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (Connector Connections)
SYSCON PCB
1-17
Summary of Contents for HR-J3009UM
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