Pioneer Elite VSX-60, Service Manual

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28
VSX-1127-K
1 2 3 4
A
B
C
D
E
F
1 2 3 4
Check and repair AMP circuit of
problem channels
or replace the AMP7 Assy.
Yes
Replace AUDIO Assy or
their peripheral circuit.
Yes
Repair IC2742, IC2704, IC2782
and their peripheral circuit
or replace the BRG Assy.
Yes
Change SP System and SP
Setting to correct setting.
Yes
Check SP System menu is appropriate
and connected speakers are not
selected [No] on SP Setting menu.
Check Selection of Speaker system
by [SPEAKERS] key on front panel
is correct.
Yes
Select Surround mode to
EX. STEREO in Advanced Surround.
Input analog signals to analog in
(e.g. CD), SP selection should be
"SP:B ON ", check SBR, SBL channels.
SP-B no sound
Yes
Check relay operating of problem ch.
(refer to schematic diagram and Relay
Control Check flow for Front ch)
Check signals of problem channel on
AMP7 Assy CP401 pins 3 (SL), 5 (C),
7 (SR) ,11 (SBL),13 (SBR) signals.
Check signals on BRG Assy CN2107
pins 9 (SR), 11 (SL), 13 (SW),
15 (C), 17 (SBR), 19 (SBL) signals.
No
Check signals on BRG 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
No
Change SP selection to correct
setting by [SPEAKER] key.
No
B
C
Speaker C (S SB SP-B etc) ch
(Front LR is OK)
If Speaker System is "Normal (SB/FH)" or
"Normal (SB/FW) and speaker setting by
SPEAKER key is "SP: SB ON", there is no
sound from FH or FW.
Speaker System Menu
Setup name
Speaker B
Normal (SB/FH)
Normal (SB/FW)
Output sound
SP-B
Front High or SB
Front Wide or SB