Pioneer G-5 Product Update Manual page 56

Defective points assumed from the number of times of LED flashing
No. of times of LED flashing
Category
LEDs on the MR
LEDs on the panel
∗1
RED GRN RED GRN
Green 1 Red
Green 2 Red
Green 3 Red
Green 4 Red
Green 5 Red
Red Green 6
Red Green 7
SD
Red Green 8
Red Green 9
Red Green 10
Red Green 11
Red Green 12
Red Green 13
Red Green 14
Red Red 1
Red 2 Red
Red 3 Red
Red 4 Red
Red 5 Red
Red 6 Red
PD
Red 7 Red
Red 8 Red
Red 9 Red
Red 10 Red
Red 11 Red
Red 12 Red
Red 13 Red
Site detected as
defective
∗2
Panel drive IC
∗2
Module section IIC
∗2
Power decrease of
DIGITAL-DC-DC
Panel having abnormally
∗2
high temperature
Short-circuiting of the
∗2
speakers
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.)
Module microcomputer
Defective main microcomputer (IC7207)
Failure in communication (TXD_MD, RXD_MD, REQ_MD) between the panel's module microcomputer and IC7207 (main
microcomputer)
Defective IC7004 or its peripheral circuits
Failure in communication (TXD_IC, XD_IC2, CLK_IC2, IC2_CE, IC2_EMG) between IC7004 and IC7207 (main
3-wire serial connection
microcomputer)
of the main section
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)
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
IIC of the main section
Defective U7501 (TU) or its peripheral circuits
Defective U7502 (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)
Defective IC7207 (main microcomputer)
Defective flexible cable for communication between the MR MAIN BOARD Assy and the AV BOARD Assy
Main microcomputer
Failure in communication (TXD_IF, RXD_IF, CLK_IF, IF_CE, IF_BUSY) between IC7207 (main microcomputer) and
IC8702
Fan Failure in the fan motor, or the fan stopped because of dust attached to the fan
MR or unit having abnormally
The Media Receiver or the unit being used at high temperature
high temperature
Defective DTV tuner
Digital tuner (U.S. model)
Failure in communication (TXD_DT, RXD_DT) between the digital tuner and IC8202 (main microcomputer)
ASIC power supply (DC-DC) Defective U8502 (DD_CON) or short-circuiting elsewhere
IF_E2P Defective IC8705 (IF_E2P) or its peripheral circuits
MR PWR Defective Power Supply Assy of the Media Receiver, or power short-circuiting in another Assy
∗2
POWER
∗2
SCAN
∗2
SCN-5V
∗2
Y-DRIVE
∗2
Y-DCDC
∗2
∗1: Shutdown (SD) is a protective operation controlled by the
Y-SUS
∗2
ADRS
microcomputer, and you can turn on the unit again using the remote
∗2
X-DRIVE
control unit. Power-down (PD) is a protective operation activated by
∗2
X-DCDC
the circuitry and can be reset after AC power is off for about 1 minute.
∗2
X-SUS ∗2: Refer to the service manual of the PDP-435PU or PDP-505PU.
∗2
D-DCDC
∗2
IC4
Possible defective points (representative examples)
56
OSD when detected
(warning message)
None
None
None
The power is shut down, because the internal
temperature has risen. Check the temperature
surrounding the PDP. (SD04)
The power is shut down, because the protection
circuit inside the unit is activated. Check if the
speaker cables are short-circuited. (SD05)
None
None
None
None
None
The power is shut down, because the internal
temperature has risen. Check the temperature
surrounding the Media Receiver. (SD11)
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None