PDP-5000EX
87
5678
56
7
8
C
D
F
A
B
E
SD (SHUTDOWN) DIAGNOSIS (2/2)
Frequency of
LED Flashing
Major Type Detailed Type
Log Indication in Factory Mode
Checkpoint
Possible Defective
Part
Remarks
MAIN SUB
Blue 9
Failure in communication
with the main
microcomputer and
unknown
–MAIN –
–
Communication line between IF and MAIN IC4803, IC5002, IC5005
Check the communication lines
(TXD_IF/RXD_IF/CLK_IF/BUSY_IF/CE_IF/REQ_IF).
DVI receiver
MA-IIC
DVI IIC communication line between DVI_RX and MAIN IC7001, IC5002 Check the communication lines (SCL_DVI/SDA_DVI).
AUDIO SW AUD_SW
IIC communication line between AUDIO_SW and
MAIN
IC8201, IC5002
Check the communication lines (SCL_MA/SDA_MA or
SCL_MA5/SDA_MA5).
Periphery of the cable between PR1 and M9 CN8201, CN6801 Check if cables are firmly connected.
Blue 10 FAN NG – FAN –
Dirt attached to the fan motor – Check the fan motor
Periphery of the FAN CONNECT Assy FAN CONNECT Assy FAN_NG
Periphery of the cable between FA1 and M6 or FA2
and M5
CN8651 to CN8655,
CN4003
Check if cables are firmly connected.
Periphery of the fan control regulator IC5003, IC5008 –
Blue 11
High temperature of the
unit
– TEMP2 –
Temperature sensor or its periphery – A shutdown is generated if TEMP2 becomes higher than 59°C
Periphery of the temperature sensor IC8852 TEMP2
Periphery of the cable between SR1 and M5 CN8851, CN4009 Check if cables are firmly connected.
Blue 13
Failure in the POWER
SUPPLY Unit
DC-DC converter power decrease
MA-PWR
M-DCDC DC-DC converter or its periphery, RST2 U4401 Check if V + 3.3 V is started.
POWER SUPPLY RELAY
The 12 V power is not output, RST4 – Check if V + 12 V is started.
Periphery of the cable between P8 and M1 CN4006 Check if cables are firmly connected.
Blue 8
Failure in IIC
communication with the
main microcomputer
AV switch
MA-IIC
AV-SW IIC communication line between AV_SW and MAIN IC4601, IC5002
Check the communication lines (SCL_AV3/SDA_AV3 or
SCL_AV/SDA_AV).
RGB switch RGB-SW IIC communication line between RGB_SW and MAIN IC5601, IC5002
Check the communication lines (SCL_AV3/SDA_AV3 or
SCL_AV/SDA_AV).
Main VDEC M-VDEC IIC communication line between M_VDEC and MAIN IC5401, IC5002 Check the communication lines (SCL_MA/SDA_MA).
Sub VDEC S-VDEC IIC communication line between S_VDEC and MAIN IC5403, IC5002 Check the communication lines (SCL_MA/SDA_MA).
AD/PLL ADC IIC communication line between ADC and MAIN IC5202, IC5002 Check the communication lines (SCL_MA/SDA_MA).
HDMI HDMI IIC communication line between HDMI_RX and MAIN IC6801, IC5002 Check the communication lines (SCL_MA/SDA_MA).
64k EEPROM MA-EEP IIC communication line between EEPROM and MAIN IC5001, IC5002 Check the communication lines (SCL_EP/SDA_EP).
VOLUME IC
AUDIO
IIC communication line between VOL_IC and MAIN IC8007, IC5002 Check the communication lines (SCL_AUDIO/SDA_AUDIO).
VOLUME IC Periphery of the cable between A2 and M8 CN8002, CN4008 Check if cables are firmly connected.
AUDIO SW Periphery of the cable between PR1 and M9 CN8201, CN6801
Check the communication lines (SCL_MA/SDA_MA or
SCL_MA5/SDA_MA5).
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