24
VSX-1127-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
5. DIAGNOSIS
5.1 TROUBLESHOOTING
No Power
Fuse F100 is open?
Is the voltage 5.6 V CX101
pins 5, 6, 7 (C129 + side) on
the SMPS Assy?
No power
Stand by (or ON -> Stand by)
?
Yes
Yes
Replace the SMPS Assy.
No
Yes
Yes
No
No
No
No
Is the voltage 5.6 V CN9501
pins 5, 6, 7 on the
D-MAIN Assy?
Error?
Other trouble
Refer to
"5.2 ERROR INDICATIONS".
Check D100, D101, D102, D104, T100,
IC102 or replace the SMPS Assy.
This is just for general reference and does not including every single case.
Check the cable between CX101 on the
SMPS Assy and CN9501 on the D-MAIN Assy.
If it is OK, replace that cable.
Yes
No
Is the voltage 5.6 V CN601
pins 1, 2 on the
D-MAIN Assy?
Check +5.6V line on the D-MAIN Assy
or replace the D-MAIN Assy.
Yes
No
Is the voltage 5.6 V CP3001
pins 38, 39 on the
FRONT Assy?
Replace the FFC between the D-MAIN Assy
and the FRONT Assy.
Yes
No
Is the voltage 5.6 V C3042
on the FRONT Assy?
Replace D3002, D3003 or
replace the FRONT Assy.
Yes
No
Is there 15 MHz output from
X3002 on the FRONT Assy?
Replace X3002 or
replace the FRONT Assy.
Yes
OK
NG
Pin 2
VDD
Pin 1
Vout
5 V
3 ms
>1 ms
4.2 V
4.4 V
5 V
Check Reset IC (IC3005)
on the FRONT Assy.
Replace IC3005 or
replace the FRONT Assy.
Replace the D-MAIN Assy.
Содержание Elite VSX-60
Страница 36: ...36 VSX 1127 K 1 2 3 4 A B C D E F 1 2 3 4 Block Diagram ...
Страница 55: ...55 VSX 1127 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 105: ...105 VSX 1127 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 107: ...107 VSX 1127 K 5 6 7 8 5 6 7 8 A B C D E F CP16 CP15 CN2103 CP14 CP13 CP12 A A AUDIO ASSY SIDE B SIDE B Q426 ...
Страница 113: ...113 VSX 1127 K 5 6 7 8 5 6 7 8 A B C D E F C SIDE B C N 3 C N 2 C N 1 CP3 CP1 ...
Страница 133: ...133 VSX 1127 K 5 6 7 8 5 6 7 8 A B C D E F U U SMPS ASSY SIDE B SIDE B CX101 CX102 CX100 ...