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TS4
46
(b)
↓
<Passes “1” LED indication>
YES
<Passes “2” LED indication>
OK
<Passes “8” LED indication>
OK
<Passes “31” LED indication>
OK
<Stoppes at any other LED indication>
Passed: OK
<LED “88:88” light up>
↓
[On Screen Display appears on the
monitoring TV]
NO: Stopped at “1”
[Replace M1001 (BXF1108 TUNER MODULE).]
NO: Stopped at “2”
[Replace IC6005 (EEPROM.]
NO: Stopped at “8”
[Replace IC3002 (FLASH ROM (II)).]
NO: Stopped at “31”
[Replace IC4001 (Audio/Video Switch).]
Stopped NG
<After replacing IC3003(DRAM), OK?>
(From page 45)
[Replace the MAIN Ass’y.]
NO
((A))
POWER SUPPLY ASS’Y CHECK
↓
[Power on]
↓
<+3.3V check: CN201 Pin 8/9/10>
OK
<+5V check: CN201 Pin 12>
↓
OK
<+5.5V check: CN201 Pin 2>
↓
OK
<+8V check: CN201 Pin 14>
↓
OK
<+12V check: CN201 Pin 16>
↓
OK
<+24V check: CN201 Pin 15>
↓
OK
<+30V check: CN201 Pin 19>
↓
OK
<E24V/+19V at CN201 Pin 17:
19V?>
(When POW 1=Low)
↓
YES
[Power Supply Ass’y seems OK]
↓
[Go back to the MAIN Ass’y check]
↓
((AA))
[Replace the fuse F101]
↓
<OK>
↓
[Replace the Power Supply Ass’y]
[Replace the Power Supply Ass’y]
[Replace the Power Supply Ass’y]
[Replace the Power Supply Ass’y]
[Replace the Power Supply Ass’y]
[Replace the Power Supply Ass’y]
NG
NG
NG
NG
(From page 44,49)
[Replace the Power Supply Ass’y]
NG
NG
NG
NO
(See page 44)
YES
Содержание TS4
Страница 13: ...TS4 13 A B C D 5 6 7 8 5 6 7 8 3 6 A A 6 6 A 2 6 A 2 6 A 2 6 IC3003 16M DRAM ...
Страница 21: ...TS4 21 A B C D 5 6 7 8 5 6 7 8 3 10 CARD ASSY CN8502 CN8501 CN8503 A 2 6 CN2003 CARD ASSY BWE1080 C C ...
Страница 23: ...TS4 23 A B C D 5 6 7 8 5 6 7 8 CN6002 6 6 A ...
Страница 25: ...TS4 25 A B C D 5 6 7 8 5 6 7 8 4 2 CARD ASSY CARD ASSY C SIDE A CN2003 A BNP1335 B C ...
Страница 28: ...TS4 28 A B C D 1 2 3 4 1 2 3 4 A MAIN ASSY A ...
Страница 29: ...TS4 29 A B C D 5 6 7 8 5 6 7 8 A BNP1323 B SIDE B ...