3-2
1. SMPS TROUBLESHOOTING FLOW
No 3.3VA
Replace the FR101
(Use the same ICW)
YES
YES
NO
Power Line of Main
PCB(DVD) is short
Is the FR101 normal?
Replace the
D105/D106/D107/D108
YES
NO
Is the D105/D106/D107/
D108 normal?
Check or Replace the IC101
YES
NO
Is the Vcc (about 17V)
supplied to IC101 Pin2?
Replace the D121
YES
NO
Is the D121 normal?
Replace the IC103
YES
NO
Is there about 2.5V at the
IC103 Pin1?
Replace the D123
YES
NO
Is the D123 normal?
Replace the D125
YES
NO
Is the D125 normal?
ELECTRICAL TROUBLESHOOTING GUIDE
Summary of Contents for T517AH
Page 9: ...1 8 MEMO ...
Page 30: ...3 17 FIG 7 2 DVD F FE RFL FIG 7 3 CD F FE RFL ...
Page 35: ...3 22 13 AUDIO OUTPUT FROM MT1389S FIG 13 1 ...
Page 36: ...3 23 CONNECTOR PICTURE 1 ALL CONNECTOR PICTURE ...
Page 37: ...3 24 2 MAIN BOARD CONNECTOR PICTURE ...
Page 38: ...3 25 CN201 MD 23PIN 3 CN201 CONNECTOR PICTURE CN202 MD 9PIN 4 CN202 CONNECTOR PICTURE ...
Page 39: ...3 26 CN602 POWER 10PIN 6 CN602 CONNECTOR PICTURE CN601 Front 12PIN 5 CN601 CONNECTOR PICTURE ...
Page 40: ...3 27 CN604 USB 4PIN 7 CN604 CONNECTOR PICTURE CN605 KARAOKE 4PIN 8 CN605 CONNECTOR PICTURE ...
Page 41: ...3 28 CN705 5 1ch 12PIN 9 CN705 CONNECTOR PICTURE ...
Page 49: ...3 37 3 38 2 MPEG CIRCUIT DIAGRAM ...
Page 50: ...3 39 3 40 3 SERVO CIRCUIT DIAGRAM ...
Page 51: ...3 41 3 42 4 JACK CIRCUIT DIAGRAM ...
Page 52: ...3 43 3 44 5 SCART CIRCUIT DIAGRAM OPTION ...
Page 53: ...3 45 3 46 6 USB CIRCUIT DIAGRAM 7 KEY CIRCUIT DIAGRAM ...
Page 54: ...3 47 3 48 8 TIMER CIRCUIT DIAGRAM ...
Page 57: ...3 53 3 54 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP VIEW BOTTOM VIEW ...
Page 59: ...3 57 3 58 5 SCART P C BOARD OPTION TOP VIEW BOTTOM VIEW 6 USB P C BOARD TOP VIEW BOTTOM VIEW ...
Page 65: ...4 6 MEMO ...
Page 67: ...4 9 4 10 MEMO MEMO ...