43
VSX-1022-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
Step 0: Preliminary confirmation
Confirm the following items before checking
To Step 1
Do screws of PLATE_SCRE
W
securely tighten ?
Yes
To Step 2
To Step 3
Yes
[4] BT (Bluetooth) TROUBLESHOOTING
Tighten screws securely.
N
o
Check the BT Assy.
Step 1: BT_DET
C
N
101 (pin 11)
Is the voltage 0
V
?
Check the pattern in the path
and BT, BTC
N
T, MAI
N
and
CPU Assemblies.
N
o
Check the pattern in the path.
Check the BTC
N
T Assy.
Check the MAI
N
Assy.
Yes
Step 2: Diagnosis
C
N
101 (pin 12)
C
N
101 (pin 13)
Is pin 12 (BTOL) of C
N
101
low?
N
o
Check the path between
IC9204 (pin T13).
Yes
Is pin 13 (BTPO
W
) of C
N
101
high?
N
o
C
N
101 (pins 14, 15)
BTRX2 and BTTX should be
high during operation.
Check the pattern in the path of
BT Assy and CPU Assy.
Yes
Do BTRX2 and
BTTX communication with
IC9204?
N
o
Yes
OK
Check the AUDIO Assy.
OK
Step 3: Audio out check
CP603 (pins 1, 3)
Is there a audio signal?
N
o
1: BT_R
3: BT_L
14: BTRX2
15: BTTX
XBT_DET
Summary of Contents for VSX-1022-K
Page 11: ...11 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 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 ...
Page 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 ...
Page 23: ...23 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 25: ...25 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F IC9204 DM860A UPD78F1167AGF ...
Page 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 ...
Page 27: ...27 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 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 ...
Page 29: ...29 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 31: ...31 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 71: ...71 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 129: ...129 VSX 1022 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 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 ...