C5-2
PREPARATION FOR SERVICING
Basic Servicing Position (In case of needing to check on all blocks)
1.
2.
3.
4.
5.
6.
Unplug the connector CP351, CP757 and CP302, then remove the TV/VCR Block from the set.
Unplug the connector CP810, CP820 and CP850, then remove the Main PWB from the VCR Block.
Connect as shown in the below figure using the Service Fixture.
• Connect the Syscon PWB to the Main PWB with the cable JG162A and JG162F.
• Connect the Syscon PWB to the CRT PWB with the cable JG162Y.
Remove the Operation PWB from the set, then connect it with the Syscon PWB.
If necessary, connect CP351. (Front A/V Jack Input Terminal)
Short circuit between TP1001 and GND with the cable JG154.
(The EOT, BOT and Reel Sensor do not work at this moment.)
At that time, the STOP/EJECT button is available to insert and eject the Cassette Tape.
Syscon PWB
JG154
TP1001
Main PWB
CP850
Front Cabinet
CP820
CP810
JG162F
JG162A
JG162Y
CD850
CD810
CP502
CP757
CD351
CD750
To Ground
Operation PWB
CRT PWB