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Read and perform this adjustment when repairing the
circuits or replacing electrical parts or PCB assemblies.

MODE-PLAYBACK
Input Signal-Alignment Tape (JG001E)

Connect CH-1 on the oscilloscope to TP102 and CH-2
to J8001.
Playback the alignment tape. (JG001E)
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.

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.)

6.5H

CH-1

CH-2

Fig. 1-1-A

CH-1

CH-2

6.5H

Fig. 1-1-B

•

CP8301

FE HEAD

CD651

CP502

CP7301

CP7304

CD7304

CD502

CD7301

CD7302

CD7303

AC IN

J653

J652

J651

V651

TP103

CP8303

TP651

OS651

CP8302

J654

CP651

CP102

J8001

TU301

J8002

TP102

CP103

AC HEAD

CD102

CP681

CP506

CP504

CD501

CP1701

CP1703

FAN MOTOR

CP7302

CP7303

CP4001

FH501

S501

CD4001

POWER DOES NOT TURN ON

NO

YES

NO

YES

NO

YES

Check of T501

and peripheral circuit.

Check of V651

and peripheral circuit.

Check IC3001.

Check of T501

and peripheral circuit.

Is the voltage at

pin 30 of IC 3001

0V ?

Does display light?

Is the voltage

linked to L506 ?

THE POWER SUPPLY CUT

Inserting a cassette

and push play button.

YES

YES

NO

NO

Does the power cut

after 3 seconds?

Check CAPSTAN DD UNIT

and CYLINDER UNIT.

Does the power cut

after about 6 seconds?

Check Q3006,Q3008

and CAPSTAN BELT.

Check the POWER BLOCK.