Pioneer Elite PRO-506PU, Руководство по обслуживанию

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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 Blue Red Blue
Blue 1 Red
SD
Panel drive IC
∗
2
None
Blue 2 Red Module section IIC
∗
2
None
Blue 3 Red Power decrease of
DIGITAL-DC-DC
∗
2
None
Blue 4 Red
Panel having abnormally
high temperature
∗
2
Power off.
Internal temperature is too high.
Check temperature around PDP. [SD04]
∗6
Blue 5 Red
Short-circuiting of the
speakers
∗
2
Internal protection circuit turns power off.
Is there a short in speaker cable? (SD05)
Red Blue 6 Module microcomputer
Disconnection of the system cable
Defective module microcomputer or its peripheral circuits of the panel (Refer to the service manual of the PDP-436PU or
PDP-506PU.)
Defective main microcomputer (IC5206)
Failure in communication (TXD_MD, RXD_MD, REQ_MD) between the panel's module microcomputer and IC5206 (main
microcomputer)
None
Red Blue 7
3-wire serial connection
of the main section
Defective IC5002 or its peripheral circuits
Failure in communication (TXD_IF, RXD_IF, CLK_IF, CE_IF, REQ_IF, BUSY_IF) between IC5002 and IC5206 (main
microcomputer)
Defective IC7001 or its peripheral circuits
Failure in communication (TXD_IC3, RXD_IC3, CLK_IC3, IC3_CE, REQ_IC3, BUSY_IC3) between IC7001 and IC5206
(main microcomputer)
None
Red Blue 8 IIC of the main section
Defective U4401 (FE1) or its peripheral circuits Defective U4402 (FE2) or its peripheral circuits
Defective IC4401 (MPX) or its peripheral circuits
∗
3 Defective IC4801 (AV_SW) or its peripheral circuits
Defective IC4702 (RGB_SW) or its peripheral circuits Defective IC5602 (CCD) or its peripheral circuits
Defective ICxxxx (GCR) or its peripheral circuits
∗
4 Defective IC6003 (M-VDEC) or its peripheral circuits
Defective IC6001 (S-VDEC) or its peripheral circuits
∗5
Defective IC6201 (ADC) or its peripheral circuits
Defective IC6404 (HDMI) or its peripheral circuits Defective IC7202 (PLK-T) or its peripheral circuits
Defective ICxxxx (PLK-R) or its peripheral circuits
Defective IC5405 (TTX-COM, TTX-BSY) or its peripheral circuits
∗
3
Defective IC5202 (MA-EEP) or its peripheral circuits
Failure in communication (SCL_AV, SDA_AV, SCL_MA, SDA_MA, SCL_EP, SDA_EP, SCL_HDCP, SDA_HDCP)
between one of the above devices and IC5206 (main microcomputer)
None
Red Blue 9 Main microcomputer
Defective IC5206 (main microcomputer)
Failure in communication (TXD_IF, RXD_IF, CLK_IF, CE_IF, BUSY_IF) between IC5206 (main microcomputer) and
IC5002
None
Red Blue 10 Fan Failure in the fan motor, or the fan stopped because of dust attached to the fan None
Red Blue 11
MR or unit having abnormally
high temperature
The Media Receiver or the unit being used at high temperature
Power off.
Internal temperature is too high.
Check temperature around media receiver. [SD011]
Red Blue 12 Digital tuner
Defective DTV tuner
Failure in communication (TXD_DT, RXD_DT) between the digital tuner and IC5206 (main microcomputer)
None
Red Blue 13 ASIC power supply (DC-DC) Defective U4201 (DD_CON) or short-circuiting elsewhere
∗6
None
PD
Red 2 Red POWER
∗
2
None
Red 3 Red SCAN
∗
2
None
Red 4 Red SCN-5V
∗
2
None
Red 5 Red Y-DRV
∗
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-DRV
∗
2
None
Red 10 Red X-DCDC
∗
2
None
Red 11 Red X-SUS
∗
2
None
Red 15 Red UNKNOWN
∗
2
None
Red 12 Red D-DCDC
∗
2
None
Red 13 Red IC4
∗
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-436PU or PDP-506PU.
∗
3: Only for EU and IRD model.
∗
4: Only for J model.
∗
5: Except for US model.
∗
6: Only for one-body model.
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PDP436PU, PDP506PU, PRO436PU, PRO506PU