Pioneer Elite VSX-70, Service Manual

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VSX-1128-K
1 2 3 4
A
B
C
D
E
F
1 2 3 4
C D
E
Replace AUDIO Assy or
their peripheral circuit.
Yes
Repair IC2742, IC2704, IC2782
and their peripheral circuit
or replace the BRI-1 Assy.
Yes
Check signals on BRI-1 Assy CN2107
pins 9 (SR), 11 (SL), 13 (SW),
15 (C), 17 (SBR), 19 (SBL) signals.
Check signals on BRI-1 Assy
CN2110 pins 5, 7, 9,11,13,15 signals.
(Pin assign is same as CN2107)
No
Replace the D-MAIN Assy.
Yes
Input PCM to COAX in or OPT in,
set Auto Surround.
Is Front LR SP output sound is OK?
No
Repair IC1801 and its peripheral
circuit or replace the D-MAIN Assy.
No
Set up Speaker Setting. Speaker OUT? Check Speaker Setup.
Zone2 ON/OFF with MULTI-ZONE
ON/OFF key
(CPU Assy CN302 pin 10 0 -> 5 V)
Yes
It is specification.
HDMI input or DIGITAL input
(COAX or OPT) -> output?
No
Replace IC2501 or
replace the AUDIO Assy.
No
Check the BRI-1 Assy CN2110
pins 21, 23 signals.
No
Repair IC1802 (DAC for ZONE2)
and its peripheral circuit or
replace the D-MAIN Assy.
No
Check the BRI-1 Assy CN2107
pins 21, 23 signals.
Same input Function?
Repair IC2802 or
replace the BRI-1 Assy.
Refer to"Relay Control Check flow"
and check Speaker Relay Operating.
No
No
Replace IC2501 or
replace the AUDIO Assy.
No
Media Server or USB in
-> Zone2 Pre-output?
Yes Yes
It is specification.
Yes
OK
Analog in -> Pre-output?
Zone2 Audio No output
(Front LR is OK)
Rec out no output
Replace the BT Assy.
Tuner ->
(Other Analog OK)
BT in ->
(Other Analog OK)
Check CN9202 pin 5 3 V, pins 2, 3
Digital signal on the D-MAIN Assy.
USB in ->
Replace JACK50 (Tuner Pack)
on the MAIN Assy.
Replace IC809, IC1307 or
replace the FHDMI Assy.
Repair IC1801 (AK4588VQ) and its
peripheral circuit or replace the
D-MAIN Assy.
No
Yes