Pioneer G-5 Product Update Manual page 54

Defective locations assumed from the number of LED Flashing
LED Blink number
Panel LED MR LED
RED GRN RED GRN
RED GRN6
RED GRN7
RED GRN8
RED GRN9
RED GRN10
RED GRN11
RED GRN13
RED GRN14
RED １
RED
SD/PD Detected location Possible failure location
Explanation of expected failure parts
Module Ucom Short circuit of system cable
Module Ucom on panel or around this Ucom
Main Ucom ( IC7207)
Communication line error between Module Ucom on panel and IC7207
(TXD_MD、RXD_MD、REQ_MD)
Main Ucom 3 serial lines IC7004 (IP Process IC) or around this IC
Communication line error between IC7004 and IC7207 Main Ucom (TXD_IC2,
RXD_IC2, CLK_IC2, IC2_CE, IC2_EMG)
IC7101( RESIZE MIX IC) or around this IC
Communication line error between IC7101and IC7207 Main Ucom (TXD_IC3,
SD
RXD_IC3, CLK_IC3, IC3_CE, C3_REQ, IC3_BUSY)
IIC bus line IC8903 ( CC Ucom) or around this IC
IC6107 (CD_MAIN) or around this IC
IC6255 (CD_SUB) or around this IC
IC6402 (AD_MAIN) or around this IC
IC6602 (AD_SUB) or around this IC
IC6801 (HDMI_1) or around this IC
IC6881 (HDMI_2) or around this IC
IC6951 (BUS_SW) or around this IC
IC7401 ( TX) or around this IC
U7501 (TU) or around this IC
IC8002 (AV_SW) or around this IC
IC8005 (RGB_SW) or around this IC
IC7205 ( E2P) or around this IC
Communication line error between the above ICs and IC7202 Main Ucom
(SCL_AV, SDA_AV, SCL_MAIN, SDA_MAIN, SCL_HDMI, SDA_HDMI,
SCL_EP, SDA_EP)
Main Ucom IC7202 (Main Ucom)
Flexible cable failure between Main board and AV board
Communication line error between IC7202 Main Ucom and IC8702 IF Ucom
(TXD_IF, RXD_IF, CLK_IF, IF_CE, IF_BUSY)
FAN Stop FAN due to fan failure or something is stuck in the fan
MR or PDP having high
Using units in high temperature location
temperature
ASIC Power (DC-DC ) Failure in U8502 (DD_CON on AV) or short circuit on another location
IF_E2P Defective IC8705 (IF_E2P) or its peripheral circuits
PD
MR PWR MR power Assy in failure or short circuit on another location
54
OSD comment when detecting SD
None
None
None
None
None
Turn of the unit due to high temperature.
Confirm temperature around MR [SD11]
None
None
None