1-9-2
HE274EA
Adjustment Points and Test Points
TEST POINT INFORMATION
: Indicates a test point with a jumper wire across a hole in the PCB.
Test Point
TP301
TP501
TP507
Used in:
Page No.
Mechanical Alignment Procedures
Mechanical Alignment Procedures
Preparation for Servicing
2-3-3, 2-3-4
2-3-3, 2-3-4
1-5-1
TEST POINTS NOT USED IN ELECTRICAL ADJUSTMENTS
Tuner Unit
Antenna In
Video In
Audio In
Audio Out
Video Out
Antenna Out
Main CBA
Main CBA
Tuner Unit
Antenna In
Video In
Audio In (R)
Audio Out (R)
Audio Out (L)
Video Out
Antenna Out
Audio In (L)
Comparison Chart of
Models and Marks
Model
Mark
VR340/55
VR340/75
VR740/55
VR740/75
A
B
C
D
Main CBA Top View
[ A, B ]
[ C, D ]
POWER
SUPPLY
BLOCK
POWER
CTL
BLOCK
VIDEO
BLOCK
Hi-Fi
BLOCK
SYSCON/TIMER
SERVO BLOCK
AUDIO
BLOCK
TUNER
BLOCK
TP751
V-OUT
TP502
RF-SW
TP507
SENS-INH
TP301
C-PB
VR501
SW-P
TP501
CTL