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Chapter 3 Troubleshooting
3-7
Short Circuit Troubleshooting
Remove the LED Panel Board Cable,
and measure the resistance at C2 on the
Main Board. *1
Correct?
Correct?
Yes
No
Yes
No
B
Measure the VCC-GND resistance at
the connector of the LED Panel
Board. *2
Correct?
Yes
No
Take out the HDD, and measure the
resistance at C2 on the Main Board.
*1
Start of Short Circuit
Troubleshooting
Replace the LED Panel Board Cable.
Replace the LED Panel Board.
Replace the HDD cable.
Correct?
Yes
No
Remove the Font SIMM, and
measure the resistance at C2 on the
Main Board. *1
Replace the Font SIMM.
Correct?
Yes
No
Remove the DRAM SIMM, and
measure the resistance at C2 on the
Main Board one by one. *1
Replace the DRAM SIMM.
To Start of Troubleshooting.
VCC
Connector of the LED Panel Board
GND
1 2 C N 1 1
*JP model only
(Japanese font SIMM)
*1: The correct resistance at C2 is 40 to 50-ohm.
*2: Measure the resistance between VCC (12 pin) and GND (5 pin). The correct resistance is 1M-ohm or more.
Summary of Contents for PS-7000
Page 37: ...Chapter 4 Disassembly Assembly 1 Disassembly 4 1 2 Assembly 4 12 3 About HDD Format 4 13 ...
Page 38: ...Chapter 4 Disassembly Assembly 4 1 1 Disassembly 1 1 External appearance ...
Page 63: ...Chapter 6 Parts Catalog 6 PARTS LAYOUT PARTS LIST 6 1 ...
Page 64: ...Chapter 6 Parts Catalog 6 1 6 PARTS LAYOUT PARTS LIST 1 EXTERNAL COVERS 2 MAIN FRAME ...
Page 65: ...Chapter 6 Parts Catalog 6 2 3 LED PANEL BOARD 4 INTERNAL COMPONENTS ...
Page 66: ...Chapter 6 Parts Catalog 6 3 5 POWER SUPPLY UNIT 6 OTHER ...