PDP-5010FD
68
1234
1 234
C
D
F
A
B
E
5.4.2 SD (SHUTDOWN) DIAGNOSIS
Frequency of
LED Flashing
Major Type Detailed Type
Log Indication in Factory Mode
Checkpoint
Possible Defective
Part
Remarks
MAIN SUB
Blue 1
Abnormality in the
Sequence LSI
Communication error
SQ-LSI
RTRY CLK_SQ/TXD_SQ, etc.
IC3301, IC3601
SQ_IC communication not established. IC3301 may not have properly started up.
Drive stop
SQNO
Check if the video sync signal is input to IC3301.
CN3201, IC3202, IC3301
A shutdown occurs if IC3301 has not properly started up (a communication failure between IC3301 and IC3302 [FLASH]).
Busy
BUSY
BUSY_SQ
IC3301, IC3601 If BUSY_SQ remains high, a shutdown is generated.
Incoherent version
(hardware, software)
VER-HS
Check the model number of the DIGITAL Assy and the
destination of the sequence LSI.
IC3302, IC3601
The written SEQ_PROG is incoherent with data on the DIGITAL Assy.
Incoherent version
(memory, software)
VER-MS
Check the model number of the DIGITAL Assy and the
destination of the sequence LSI.
IC3302, IC3601, IC3602
A shutdown occurs if the SEQ-PROG that has been stored in backup
memory does not coincide with the actual SEQ-PROG.
Blue 2
Failure in IIC
communication with the
module microcomputer
DIGITAL Assy EEPROM
MD-IIC
EEPROM IIC communication line of IC3602 IC3602, IC3601
Check the pull-up resistor of the IIC control line and the power to the corresponding IC.
PANEL SENSOR Assy EEPROM
BACKUP IIC communication line of IC3902
PANEL SENSOR Assy (IC3902),
IC3601
Check the pull-up resistor of the IIC control line and the power to the corresponding IC.
DAC1 DAC1
IIC communication line of IC3605
IC3605, IC3601
Check the pull-up resistor of the IIC control line and the power to the corresponding IC.
DAC2 DAC2
IIC communication line of IC3606
IC3606, IC3601
Check the pull-up resistor of the IIC control line and the power to the corresponding IC.
Blue 3
Abnormality in RST2
power decrease
– RST2 –
Is the output voltage (3.3 V) of the DC-DC converter low?
TP3881, TP3882
If RST2 does not become high after the unit is turned on, a shutdown will be generated in several seconds.
The 5.1 V power is not output.
POWER SUPPLY Unit,FU3801
Check if V + 5.1 V is started. Also check if the FU3801 on the DIGITAL Assy has been melted.
Blue 4
Abnormality in panel
temperature
–
TMP-NG
TMP-H
TMP-L
High temperature abnormality in the panel temperature sensor
If TEMP1 that is read by the module microcomputer is 85 °C or higher, a shutdown will be generated.
Low temperature abnormality in the panel temperature sensor
PANEL SENSOR Assy (IC3901)
PANEL SENSOR Assy (IC3901)
A shutdown occurs if the reading of TEMP1 detected by the module microcomputer is
–20°C or less. Also check the connection with the PANEL SENSOR Assy.
Blue 5
Short-circuiting of the
speakers / D-AMP
temperature abnormality
– AUDIO –
Speaker terminals
JA9301
Check if any speaker cable is in contact with the chassis.
AUDIO_AMP IC9201, IC9101 Check if the AMP output is short-circuited.
Periphery of the cable between IO3 and M8, and IO6 and P5
CN8803,CN4001,CN8806,P5
Check if cables are firmly connected.
Blue 6
Failure in communication with
the module microcomputer
– MODULE –
Communication line between MAIN and MOD IC3151, IC8401
Check the communication lines (TXD_MOD/RXD_MOD/REQ_MOD).
Periphery of the cable between D11 and M1 CN3001, CN4101 Check if cables are firmly connected.
Blue 7
Failure in main
microcomputer 3-wire
serial communication
IF microcomputer
MA-3L
IF
Communication line between IF and MAIN
IC8301, IC8401
Check the communication lines (TXD_IF/RXD_IF/CLK_IF/BUSY_IF/CE_IF/REQ_IF).
MULTI processor
MULTI
Communication line between MULTI and MAIN
IC8001, IC8401
Check the communication lines (TXD_IC3/RXD_IC3).
Blue 8
Failure in IIC
communication with the
main microcomputer
Tuner 1
MA-IIC
FE1
IIC communication line between Tuner (ANT-A) and MAIN
U6101,IC8401
Check the communication lines (SCL_TU/SDA_TU or SCL_AV5/SDA_AV5).
AV switch AV-SW IIC communication line between AV-SW and MAIN IC4601, IC8401
Check the communication lines (SCL_AV5/SDA_AV5).
RGB switch RGB-SW IIC communication line between RGB-SW and MAIN IC4701, IC8401
Check the communication lines (SCL_AV5/SDA_AV5).
Main VDEC
VDEC
IIC communication line between M-VDEC and MAIN IC4801, IC8401
Check the communication lines (SCL_MB/SDA_MB).
VDEC SDRAM SDRAM IIC communication line between VDEC and SDRAM IC4801, IC4802
Check the communication lines (SDRAM). Defective SDRAM
AD/PLL ADC IIC communication line between ADC and MAIN IC5001, IC8401
Check the communication lines (SCL_AV/SDA_AV).
HDMI HDMI IIC communication line between HDMI_RX and MAIN IC5201, IC8401 Check the communication lines (SCL_MB/SDA_MB).
Tuner 2 FE2
IIC communication line between Tuner (ANT-B) and MAIN
U6001, IC8401
Check the communication lines (SCL_AV5/SDA_AV5).
US-MSP US-MSP IIC communication line between US_MSP and MAIN IC6001, IC8401
Check the communication lines (SCL_AV5/SDA_AV5).
Check the communication lines (TXD_IF/RXD_IF/CLK_IF/BUSY_IF/CE_IF/REQ_IF).
Blue 9
Failure in communication
with the main microcomputer
MAIN –
FAN1
FAN2
–
Communication line between IF and MAIN
IC8301, IC8401
Blue 10 FAN NG
FAN
Dirt attached to the fan motor –
Check the fan. (SD10 does not detect it at the temperature that fans do not turn.)
Periphery of the FHD FAN CONNECT
FHD FAN CONNECT Assy
FAN NG
Check if cables are firmly connected.
Periphery of the cable between FA1 and M5, FAN and M4, and FA2 and FA5
CN9551 to CN9555,CN4108
Dirt attached to the fan motor –
Check the fan. (SD10 does not detect it at the temperature that a fan does not turn.)
Periphery of the cable between FAN and M4 CN4103 Check if cables are firmly connected.
Check that the voltage outputs it.
Periphery of the fan control regulator IC4310
Periphery of the fan control regulator IC4303 Check that the voltage outputs it.
FAN1
FAN2
MSP/MAP
MSPMAP IIC communication line between MSP/MAP and MAIN IC9101, IC8401 Check the communication lines (SCL_AV/SDA_AV).
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