Pioneer VSX-1127-K Service Manual page 29

5
C
Zone2 Audio No output
(Front LR is OK)
HDMI input or DIGITAL input
(COAX or OPT) -> output?
Analog in -> Pre-output?
Yes
Media Server or USB in
-> Zone2 Pre-output?
Yes
Speaker OUT?
Rec out no output
Tuner ->
(Other Analog OK)
BT in ->
(Other Analog OK)
USB in ->
HDMI in on rear ->
Front HDMI in ->
D
5
6
No
It is specification.
No
Replace IC2501 or
replace the AUDIO Assy.
No
Check the BRG Assy CN2110
pins 21, 23 signals.
Yes
Check the BRG Assy CN2107
pins 21, 23 signals.
Check Speaker Setup.
OK
Zone2 ON/OFF with MULTI-ZONE
ON/OFF key
(IR Assy CP512 pin 4 0 -> 5 V)
Same input Function?
Yes
It is specification.
Replace JACK50 (Tuner Pack)
on the MAIN Assy.
Replace the BT Assy.
Check CN9202 pin 5 3 V, pins 2, 3
Digital signal on the D-MAIN Assy.
Yes
Repair IC1801 and its peripheral
circuit or replace the D-MAIN Assy.
Only HDMI IN1, IN2, IN3 and IN5
are no sound?
Yes
Repair or replace the
D-MAIN Assy.
Rear HDMI inputs ->
output OK?
Yes
Replace HDMI cable between
FHDMI Assy and D-MAIN Assy
or replace the FHDMI Assy.
VSX-1127-K
6
7
Repair IC1802 (DAC for ZONE2)
No
and its peripheral circuit or
replace the D-MAIN Assy.
No
Repair IC2802 or
replace the BRG Assy.
No
Set up Speaker Setting.
Refer to"Relay Control Check flow"
and check Speaker Relay Operating.
No
Replace IC2501 or
replace the AUDIO Assy.
No
Replace IC805, IC1307 or
replace the F-USB Assy.
No
Repair IC1801 and its peripheral
circuit or replace the D-MAIN Assy.
Yes
No
Only HDMI IN1, IN2 and IN3
are no sound?
7
8
A
B
C
D
E
No
F
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