Sony KE-32TS2E / KE-32TS2U Service Manual ▷ View online
-42-
Exists in left 3/7
area.
Y
N
Turn off the main power.
Replace ABUSL board (Backup part).
Turn on the main power.
Normal?
ABUSL board is
defective.
N
Y
Y
Turn off the main power.
Replace LOGIC board (Backup part)
Turn on the main power.
Normal?
LOGIC board is
defective.
Y
N
Turn off the main power.
Replace LOGIC ~ ABUSL signal cable.
Turn on the main power.
Normal?
Y
Signal cable is
defective.
ADM is defective.
(Panel chassis is
defective.)
N
N
Turn off the main power.
End of analysis
2
Vertical line of
different color?
3
4
-43-
Y
Turn off the main power.
Replace ABUSR board (Backup part).
Turn on the main power.
Normal?
ABUSR board is
defective.
N
Turn off the main power.
Replace LOGIC board (Backup part).
Turn on the main power.
Normal?
LOGIC board is
defective.
Y
Turn off the main power.
Replace signal cables LOGIC ~ ABUSR.
Turn on the main power.
Normal?
Y
Signal cable is
defective.
ADM is defective.
(Panel chassis is
defective.)
N
N
Turn off the main power.
End of analysis
3
4
Panel is defective.
(Panel chassis is
defective.)
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4.6.3
"Horizontal bar" Problem analysis procedure
Horizontal bar
Normal?
X-SUS board is
defective.
Y
Y
N
Turn off the main power.
Replace X-SUS board (Backup parts).
Turn on the main power.
Turn off the main power.
Replace X-SUS0 board (Defective product).
Replace Y-SUS board (Backup parts)
Turn on the main power.
N
Normal?
Y-SUS board is
defective.
Panel chassis is
defective.
Y
N
Turn off the main power.
End of analysis
-45-
4.7
Problem Analysis Using a Personal Computer
4.7.1 Connecting a computer
(1)
Set the module in accordance with Chapter 4.4.
(2)
Connect the RS-232C terminal of the computer to the RS-232C terminal of the interface board.
(3)
Turn on the main power to the interface board. (Red LED goes on.)
4.7.2 Preparing a computer
(1)
Turn on the main power to the computer.
(2)
Set the PDPgo switch on the interface board to ON and turn on the main power to the module.
(3)
For computer running DOS/V:
C : \ > FHPH2<ENTER>
For computer running WINDOWS:
Start menu
→ Run → FHPH2<ENTER>
(4)
The following menu screen appears.
POWER indicator (red LED)
** Module information menu
POWER ON menu
Problem analysis menu
Voltage adjustment menu
Accumulated power-on time menu
Logic board change menu
EXIT
32H2 Main menu <Rev. SVH2E 1.0>
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