26
VSX-1127-K
1
2
3
4
A
B
C
D
E
F
1
2
3
4
No Sound
No Sound
When headphones is connected,
relay is change to headphones?
(BRG Assy CN2113 pin 14 0 -> 5 V)
Set "STEREO" mode with STANDARD
SURROUND key and Speaker ON/OFF with
SPEAKERS key. (IR Assy CP512 pin 2 0 -> 5 V)
Check BRG Assy CN2113 pin 2
(HP_DET) is low with connection
of the headphones.
Check the BRG Assy R720
0 -> 12 V.
This is just for general reference and does not including every single case.
No
Replace IC612, IC603 or
replace the D-MAIN Assy.
Relay Control Check Flow
No
Replace Q2, Q9 or
replace the MAIN Assy.
No
Check the D-MAIN Assy CN603
pin 14 0 -> 5 V.
Check the MAIN Assy CP12 pin 11
0 -> 5 V.
Check the MAIN Assy R20
0 -> 12 V.
No
No
Does the sound output of
the speaker front ch?
No
Check the cable between BRG Assy
CN2113 and D-MAIN Assy CN1504.
Replace the HP Assy.
Replace the HP Assy.
Check the BRG Assy CN2111
pin 2 or 4 (HP OUTPUT SIGNAL).
Check the cable between BRG Assy
CN2112 and AUDIO Assy CP14.
Replace the IR Assy.
Replace the IR Assy.
Replace the MAIN Assy.
No Problem / No Damage
Yes
Replace Q1, Q8 or
replace the BRG Assy.
Yes
Yes
Yes
Yes
No
No
No
Replace the D-MAIN Assy.
No Problem / No Damage
Yes
Yes
Yes
Yes
Headphones
Speaker Front ch sound
A
A
B
Summary of Contents for Elite VSX-60
Page 36: ...36 VSX 1127 K 1 2 3 4 A B C D E F 1 2 3 4 Block Diagram ...
Page 55: ...55 VSX 1127 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 105: ...105 VSX 1127 K 5 6 7 8 5 6 7 8 A B C D E F ...
Page 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 ...
Page 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 ...
