3-11
NO
NO
YES
Check the related
circuit of audio DAC.
Check audio filter,
amplify, mute circuit.
NO
NO
NO
YES
Check communication
lines on MT1389S.
YES
YES
TEST END
Check the cable
connection on Front pannel.
Normal
Audio output when
disc playback?
Normal
audio DAC
out?
Commu-
nications between
IR.VFD Front pannel
key & MT1389S is
normally?
Normal
IR.VFD & Front pannel
key functions?
E
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 ...