Pioneer PRO-R04U Service Manual page 144

1
Diagnosis method of PCB Assy
Note When diagnosing the unit, be sure to use the connection cable for service. (Part No : GGP1048)
A
1
Remove the four screws and the one nut.
Disconnect the one flexible cable (J201) from MR MAIN BOARD ASSY
and the one connector from Fan Motor.
Raise DTV TUNER BOARD section.
2
Connect the Connection Cables for Service (GGP1048)
3
Diagnosis
B
C
PCB Location
K
D
E
H
LED Assy
F
144
1
2
POWER SUPPLY Unit
From FRONT Assy
2
3
2
Connection Cable (GGP1048)
D
BRIDGE ASSY
E A
MDR Assy MR MAIN BOARD Assy
To BRIDGE Assy
G
FRONT Assy
PDP-R04U
3
4
I
DTV TUNER
BOARD
1
F
SR Assy
B
AV BOARD Assy
4