Pioneer PDP-R04E, Service Manual

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PDP-R04E
145
5 6 7 8
5 6
7
8
C
D
F
A
B
E
Defective points assumed from the number of times of LED flashing
No. of times of LED flashing
Category
∗
1
Site detected as
defective
Possible defective points (representative examples)
OSD when detected
(warning message)
LEDs on the panel
LEDs on the MR
RED
GRN
RED
GRN
Green 1
Red
SD
Panel drive IC
∗
2
None
Green 2
Red
Module section IIC
∗
2
None
Green 3
Red
Power decrease of DIGITAL-DC-DC
∗
2
None
Green 4
Red
Panel having abnormally high temperature
∗
2
The power is shut down, because the internal temperature has risen. Check the temperature surrounding the PDP. (SD04)
Green 5
Red
Short-circuiting of the speakers
∗
2
The power is shut down, because the protection circuit inside the unit is activated. Check if the speaker cables are short-circuited. (SD05)
Red
Green 6
M
odule microcomputer
Disconnection of the system cable Defective module microcomputer or its peripheral circuits of the panel (Refer to the service manual of the PDP-434PU or PDP-504PU.) Defective main microcomputer (IC7207) Failure in communication (TXD_MD, RXD_MD, REQ_MD) between the panel's module microcomputer and IC7207 (main microcomputer)
None
Red
Green 7
3-wire serial connection of the main section
Defective IC7004 or its peripheral circuits Failure in communication (TXD_IC, XD_IC2, CLK_IC2, IC2_CE, IC2_EMG) between IC7004 and IC7207 (main microcomputer) Defective IC7101 or its peripheral circuits Failure in communication (TXD_IC3, RXD_IC3, CLK_IC3, IC3_CE, IC3_REQ, IC3_BUSY) between IC7101 and IC7207 (main microcomputer)
None
Red
Green 8
IIC of the main section
Defective IC6107 (CD_MAIN) or its peripheral circuits Defective IC6255 (CD_SUB) or its peripheral circuits Defective IC6402 (AD_MAIN) or its peripheral circuits Defective IC6602 (AD_SUB) or its peripheral circuits Defective IC6881 (HDMI_2) or its peripheral circuits Defective IC6951 (BUS_SW) or its peripheral circuits Defective IC7401 (TX) or its peripheral circuits Defective U7501 (TU) or its peripheral circuits Defective IC8002 (AV_SW) or its peripheral circuits Defective IC8005 (RGB_SW) or its peripheral circuits Defective IC7205 (E2P) or its peripheral circuits Failure in communication (SCL_AV, SDA_AV, SCL_MAIN, SDA_MAIN, SCL_HDMI, SDA_HDMI, SCL_EP, SDA_EP) between one of the above devices and IC7207 (main microcomputer)
None
Red
Green 9
M
ain microcomputer
Defective IC7207 (main microcomputer) Defective flexible cable for communication between the MR MAIN BOARD Assy and the AV BOARD Assy Failure in communication (TXD_IF, RXD_IF, CLK_IF, IF_CE, IF_BUSY) between IC7207 (main microcomputer) and IC8702 (main microcomputer)
None
Red
Green 10
Fan
Failure in the fan motor, or the fan stopped because of dust attached to the fan
None
Red
Green 11
MR or unit having abnormally high temperature
The Media Receiver or the unit being used at high temperature
The power is shut down, because the internal temperature has risen. Check the temperature surrounding the Media Receiver. (SD11)
Red
Green 12
Digital tuner (U.S. model)
Defective digital BS/CS tuner Failure in communication (TXD_DT, RXD_DT) between the digital BS/CS tuner and IC8702 (main microcomputer)
None
Red
Green 13
ASIC power supply (DC-DC)
Defective U8502 (DD_CON) or short-circuiting elsewhere
None
Red
Red 1
PD
MR PWR
Defective Power Supply Assy of the Media Receiver, or power short-circuiting in another Assy
None
Red 2
Red
POWER
∗
2
None
Red 3
Red
SCAN
∗
2
None
Red 4
Red
SCN-5V
∗
2
None
Red 5
Red
Y-DRIVE
∗
2
None
Red 6
Red
Y-DCDC
∗
2
None
Red 7
Red
Y-SUS
∗
2
None
Red 8
Red
ADRS
∗
2
None
Red 9
Red
X-DRIVE
∗
2
None
Red 10
Red
X-DCDC
∗
2
None
Red 11
Red
X-SUS
∗
2
None
Red 12
Red
D-DCDC
∗
2
None
∗
1:
Shutdown (SD) is a protective operation controlled by the microcomputer, and you can turn on the unit again using the remote control unit. Power-down (PD) is a protective operation activated by the circuitry and can be reset after AC power is off for about 1 minute.
∗
2:
Refer to the service manual of the PDP-434PU or PDP-504PU.