PRO-1010HD
133
5
6
7
8
5
6
7
8
C
D
F
A
B
E
SD Circuit in Operation
Defective Assy
Reason for Shutdown
Point to be Checked
Possible Defective Part
Remarks
1
Communication failure of the
panel-drive IC
DIGITAL VIDEO
Communication failure of IC4 or defective peripheral
circuits
IC4 Block, Panel Flash Block
IC5401, IC5305
Writing failure of IC4
After turning the unit on again, check if the data on the version can be
read with the GS1 command.
2
Communication failure of the
module IC (Check the
shutdown subcategory on
the Factory menu.)
DIGITAL VIDEO
Communication failure of the EEPROM (4k) or
defective peripheral circuits
Module Ucom Block
IC5206
RGB
Communication failure of the EEPROM (2k) or
defective peripheral circuits
IC3 Block
IC7102
Defective 114-pin FPC
CN400(D15) - CN7101(R10)
ADY1081
Check if the cable is disconnected or not securely connected.
3
Power decrease of DIGITAL-
DC-DC
DIGITAL VIDEO
Defective DC-DC converter
Digital DD Control Block
U5601
Check if 3.3V, 2.5V, and 1.5V are activated (not short-circu
ited).
DIGITAL VIDEO
Defective RST IC
Panel Flash Block
IC5301,IC5302,IC5303
POWER SUPPLY
No startup of 12 V
4
Panel having higher
temperature
DIGITAL VIDEO
Disconnection of cable
CN5202 - CN1071
Panel having higher temperature
Surrounding temperature
Temperature detected by a sensor must not exceed 90
°
C (TEMP1).
5
Audio failure
Speaker short-circuited
Speaker terminals
Check if the speaker cables are in contact with the chassis, etc.
AUDIO AMP
Defective AMP IC
Audio Amp
IC5003
AUDIO AMP
Disconnection of cable
CN7601(AV1) - CN5001(AP2)
Check if the cable is disconnected or not securely connected.
6
Communication failure of the
module microcomputer
DIGITAL VIDEO
Communication failure in the module microcomputer
or defective peripheral circuits
Module Ucom Block
IC5201
Check short/open of the communication line (TXDO/RXDO).
Failure in writing in the module microcomputer
Module Ucom Block
IC5201
Defective 114-pin FPC
CN4004(D15) - CN7101(R10)
ADY1081
Check if the cable is disconnected or not securely connected.
7
Serial communication failure
of the 3-wire of the main
microcomputer
AV I/O
Communication failure in the IF microcomputer or
defective peripheral circuits
IF Ucom Block
IC8702
Check short / open of the communication line
(TXD_IF/RXD_IF/CLK_IF/BUSY_IF/CE_IF)
RGB
Communication failure in the CELIA or defective
peripheral circuits
IC2 Block
IC7004
Check short / open of the communication line
(TXD_IC2/RXD_IC2/CLK_IC2/CE_IC2)
RGB
Communication failure in the MIKE or defective
peripheral circuits
IC3 Block
IC7101
Check short / open of the communication line
(TXD_IC3/RXD_IC3/CLK_IC3/BUSY_IC2/CE_IC3)
RGB
Failure in writing in the MIKE
IC3 Block
IC7101
8
IIC communication failure of
the main microcomputer
(Confirm the SD subcategory
in the factory menu)
VIDEO SLOT1
Failure in MICHAEL Y/C or defective peripheral circuits
IC1 (Y/C) Block
IC6255
VIDEO SLOT1
Failure in MICHAEL CVBS or defective peripheral circuits
IC1 (CVBS) Block
IC6107
RGB
Failure in AD MAIN or defective peripheral circuits
Main AD Block
IC6001
RGB
Failure in AD SUB or defective peripheral circuits
Sub LPF & AD Block
IC6602
RGB
Failure in ROZ or defective peripheral circuits
Bus SW1 Block
IC5701
RGB
Failure in ROZ or defective peripheral circuits
Bus SW2 Block
IC5801
AV I/O
Failure in VOL IC or defective peripheral circuits
AV I/O Assy
IC7603
AV I/O
Failure in HDMI Rx IC or defective peripheral ciecuits
IC6803 Block and IC6810 Block
IC6803, IC6810
RGB
Failure in EEPROM or defective peripheral circuits
Main Ucom Block
IC7205
VIDEO SLOT1
Failure in EEPROM or defective peripheral circuits
IC1 (Y/C) Block
IC6257
Defective communication line between any of the
above devices and the main microcomputer
IC7207
Check short / open of SCL_AV/SDA_AV, SCL_MA/SDA_MA and
SCL_EP/SDA_EP
• Diagnosis of shutdown
