Pioneer DVR-233-S Service Manual - Page 61

JCKB Assy, Diagnosis, Note when the JCKB Assy is replaced

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5 2 JCKB Assy 1 Remove the three screws. 2 Remove the bridge. 6 2 Bridge 1 11 JCKB Assy 3 Disconnect the flexible cable. 4 Remove the one screw. 5 Remove the one screw. 6 Remove the four screws. 7 Remove the six screws. 8 Remove the JCKB Assy. Rear view 66 5 66 4 7 7 7 7 8 3 CN301 CN2301 7 JCKB Assy 7 MAIN Assy 7 8 9 Cover the transistor (Q308) with the clip type heatsink. A JCKB Assy 9 Transistor (Q308) Clip type heatsink (GGF1528) B 10 Connect the connector from front panel section. 11 Connect the flexible cable for service. 12 Arrange the unit as shown in the photo below. JCKB Assy CN301 11 Flexible cable for service C (GGD1436) CN201 10 CN2301 Front panel section MAIN Assy D Diagnosis Note when the JCKB Assy is replaced E When the JCKB Assy is replaced, also replace the rubber foot (VEB1349) behind the FL tube with new one. Do NOT reuse the old rubber foot. FL tube Rubber foot JCKB Assy Rear view F DVR-231-S 61 5 6 7 8

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DVR-231-S
61
5
6
7
8
5
6
7
8
C
D
F
A
B
E
1
Remove the three screws.
2
Remove the bridge.
3
Disconnect the flexible cable.
4
Remove the one screw.
5
Remove the one screw.
6
Remove the four screws.
7
Remove the six screws.
8
Remove the JCKB Assy.
JCKB Assy
2
9
Cover the transistor (Q308) with the clip type heatsink.
10
Connect the connector from front panel section.
11
Connect the flexible cable for service.
12
Arrange the unit as shown in the photo below.
Bridge
Clip type heatsink
(GGF1528)
Transistor (Q308)
JCKB Assy
JCKB Assy
Front panel section
MAIN Assy
Rubber foot
JCKB Assy
JCKB Assy
JCKB Assy
MAIN Assy
FL tube
Rear view
Rear view
1
9
10
2
1
1
6
6
6
6
4
5
7
7
7
7
7
7
CN301
CN301
CN2301
CN2301
3
8
CN201
Flexible cable
for service
(GGD1436)
11
Note when the JCKB Assy is replaced
When the JCKB Assy is replaced, also replace the rubber foot
(VEB1349) behind the FL tube with new one.
Do NOT reuse the old rubber foot.
Diagnosis