39
VSX-1022-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Step 2: Power supply
IC103 (pin 4)
Is the voltage 3.3
V
output?
Is the voltage pin 5 of IC103
above 6
V
?
Yes
Yes
N
o
Check the IC9506 and its peripheral
circuits or SUB UCOM (IC102).
Is the voltage 12
V
?
N
o
Diagonose the MAI
N
Assy.
N
o
Diagonose the CPU Assy.
N
o
Replace the D-MAI
N
Assy.
V
+3R3_SB
C
N
9501 (pins 1, 2)
HDMI+12
V
Yes
Is the voltage 5
V
?
N
o
Check the IC9501 and its peripheral
circuits or SUB UCOM (IC102).
N
o
Replace the D-MAI
N
Assy.
N
o
IC9506 (pin 4)
V
+5_HD
Yes
Is the voltage 3.3
V
?
IC9501 (pin 3)
V
+3R3_HHH
Check the IC9503 and its peripheral
circuits or SUB UCOM (IC102).
N
o
Replace the D-MAI
N
Assy.
N
o
Yes
Is the voltage 1.
8
V
?
IC9503 (pin 2)
V
+1R
8
_HHH
Check the IC9502 and its peripheral
circuits or SUB UCOM (IC102).
N
o
Replace the D-MAI
N
Assy.
N
o
Yes
Is the voltage 1.2
V
?
IC9502 (pin 3)
V
+1R2_HHH
To Step 3
Содержание VSX-1022-K
Страница 11: ...11 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 15: ...15 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F S HP ASSY C MAIN ASSY B AMP7 ASSY P F USB ASSY ...
Страница 17: ...17 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F S HP ASSY C MAIN ASSY Y B AMP5 ASSY P F USB ASSY ...
Страница 22: ...22 VSX 1022 K 1 2 3 4 A B C D E F 1 2 3 4 4 6 D MAIN BLOCK DIAGRAM 1 2 D D MAIN ASSY ADV7181CBSTZ ...
Страница 23: ...23 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 24: ...24 VSX 1022 K 1 2 3 4 A B C D E F 1 2 3 4 4 7 D MAIN BLOCK DIAGRAM 2 2 D D MAIN ASSY IC9204 DM860A ...
Страница 25: ...25 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F IC9204 DM860A UPD78F1167AGF ...
Страница 26: ...26 VSX 1022 K 1 2 3 4 A B C D E F 1 2 3 4 4 8 CPU BLOCK DIAGRAM E CPU ASSY ...
Страница 27: ...27 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 28: ...28 VSX 1022 K 1 2 3 4 A B C D E F 1 2 3 4 4 9 VIDEO BLOCK DIAGRAM F VIDEO ASSY ...
Страница 29: ...29 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 30: ...30 VSX 1022 K 1 2 3 4 A B C D E F 1 2 3 4 4 10 POWER SUPPLY BLOCK DIAGRAM C MAIN ASSY W STBY ASSY ...
Страница 31: ...31 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 71: ...71 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 87: ...87 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F B 2 2 B 1 2 SL Audio Signal Route Surround L ch SL SL SL ...
Страница 129: ...129 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 139: ...139 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F C SIDE B CN3 CN2 CN1 CP3 CP1 ...