5-1 Trouble shooting Chart
No +19V output
Is the F501
(Fuse3.15A) normal?
Go
No
Is the D533/D534
normal
Yes
Yes
Yes
No
Replace the U531
Replace the
D538/D539/D540/D541
Replace the F501(Use the
same ICW)
No
Is the U531
(TOP258EN) normal
Is the D531 D532
U533 normal
Yes
Replace the D531 D532 U533
No
Is there about 15V at
the U532 Pin3.4?
l
Replace the U532
Yes
No +19V output
Power line of Audio PCB is short
No
Содержание HTL2160C/G/M/S/T/W/12/F7/93
Страница 34: ...OP Board Print layout Bottom side 7 13 7 13 ...
Страница 35: ...CN Board Print layout Bottom side 7 14 7 14 ...
Страница 36: ...CN Board Print layout Top side 7 15 7 15 ...
Страница 37: ...FK Board Print layout Bottom side 7 16 7 16 ...
Страница 38: ...FK Board Print layout Top side 7 17 7 17 ...
Страница 39: ...Power Board Print layout Bottom side 7 18 7 18 ...
Страница 40: ...Main Board Print layout Bottom side 7 19 7 19 ...
Страница 41: ...Main Board Print layout Top side 7 20 7 20 ...
Страница 43: ...Main IC SP8202_RDB Functional Block Diagram 9 1 ...
Страница 49: ...Exploded View for HTL2160 12 F7 93 10 1 10 1 ...