Test Point purpose operation
TP6001 To confirm mechanism
movement without a
cassette, the detection
of the Supply / Takeup
Photo Transistors,
Reel Sensor, and
Cylinder Lock will be
inhibited.
Ground the
TP6001
TP6003 To defeat the Auto
Tracking Function.
(Maintain the Neutral
Position.)
Place a jumper
between TP6003
and
TP6009(+5V).
TP6011 A check Terminal for
judgment of the IC6001
microprocessor.
The microprocessor is
OK if there is Scan
pulse output.
TP6301 A check Terminal for
judgment of the IC6301
microprocessor.
The microprocessor is
OK if there is pulse
output.
3.2.6. Easy check of Power Supply Ass'y, Hi-Fi Audio C.B.A., UHF/VHF
Tuner/TV Demodulator Unit
Power Supply Ass'y, Hi-Fi Audio C.B.A., UHF/VHF Tuner/TV Demodulator Unit can be
checked easily through holes in the bottom of the frame after removing the Bottom
Panel. You can check connector pins of following units and C.B.A.s.
-
P1051 (Pins of Power Supply Ass'y)
-
Pins of UHF/VHF Tuner/TV Demodulator Unit.
-
Model : D, E
P4201,P4202,P4203 (Pins of Hi-Fi Audio C.B.A.)
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