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TS7, BCT-1710, BCT-1720, BCT-1730
(b)
(from page 54)
<Passes "1" LED indication>
<Passes "2" LED indication>
<Passes "7" LED indication>
<Passes "30" LED indication>
<Stops at any other LED indication>
↓
((A))
(from page 54, 59)
POWER SUPPLY ASSY CHECK
↓
[LED "88:88" lights up]
[Power ON]
[POWER SUPPLY ASSY seems OK]
↓
[Go back to MAIN ASSY check]
↓
((AA))
(to page 54)
↓
<OK>
↓
<+3.3V check : CN0203 Pin 4/5/6/7>
↓
Passed : OK
[On Screen Display appears on the monitoring TV]
↓
[Replace M1001(BXF1167 Tuner Module).]
NO: Stopped at "1"
NO: Stopped at "2"
NO: Stopped at "7"
NO: Stopped at "30"
Stopped : NG
NO
NG
NG
YES
OK
[Replace IC7002(EEPROM).]
- or -
[Replace IC1004 Link IC.]
OK
OK
[Replace IC3001(FLASH ROM).]
OK
[Replace IC4001(Audio/Video Switch).]
<After replacing IC3002(SDRAM), OK?>
→
[Replace MAIN ASSY.]
[Replace the fuse 1102.]
→
[Replace POWER SUPPLY ASSY.]
<+5V check : CN0203 Pin 8/9>
NG
[Replace POWER SUPPLY ASSY.]
OK
<+6V check : CN0203 Pin 18>
NG
[Replace POWER SUPPLY ASSY.]
OK
NG
[Replace POWER SUPPLY ASSY.]
NG
[Replace POWER SUPPLY ASSY.]
NG
[Replace POWER SUPPLY ASSY.]
<E24V/+19V at CN0203 Pin 16 : 24V?>
(When P0W1= High)
NO
[Replace POWER SUPPLY ASSY.]
YES
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TEL 13942296513 QQ 376315150 892498299