27
VSX-1128-K
5
6
7
8
5
6
7
8
A
B
C
D
E
F
C
D
A
B
Repair IC2702 and its peripheral
circuit or replace the AUDIO Assy.
Yes
Check the BRI-1 Assy CN2203
pin 16 (+12V), pin 17 (-12V).
Yes
Repair IC2782 and its peripheral
circuit or replace the BRI-1 Assy.
Yes
Check +/- 12V line on BRI-1 Assy
or replace the BRI-1 Assy.
Yes
Repair IC1801 and its peripheral
circuit or replace the D-MAIN Assy.
Yes
Yes
Yes
Check the BRI-1 Assy CN2107
pins 5, 7 signals.
Change to Auto Surround.
Check the BRI-1 Assy CN2110
pins 17, 19 signals.
No
Check the AUDIO Assy CP12
pins 1, 3 signals.
No
Check the AUDIO Assy CP17
pin 1 (+12V), pin 5 (- 12V).
No
No
Check and repair analog audio lines
between IC2501 pin 31, 32 and CP12
pins 1, 3 or replace the AUDIO Assy.
No
Repair IC1801 (AK4588VQ) and its
peripheral circuit or
replace the D-MAIN Assy.
No
Replace the BRI-1 Assy.
No
Check the BRI-1 Assy CN2110
pins 1, 3 signals.
Is digital signal from OPT
(or COAX) input OK?
Analog input
INPUT?
Digital input
A
Check and repair AMP circuit of
problem channels
or replace the AMP7 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.
No
No
Change SP selection to correct
setting by [SPEAKER] key.
No
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
Содержание Elite VSX-70
Страница 11: ...11 VSX 1128 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 34: ...34 VSX 1128 K 1 2 3 4 A B C D E F 1 2 3 4 2 TEMP Protection Circuit CPU ASSY J AMP7 ASSY K AMP7 ASSY K ...
Страница 51: ...51 VSX 1128 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 75: ...75 VSX 1128 K 5 6 7 8 5 6 7 8 A B C D E F ...
Страница 107: ...107 VSX 1128 K 5 6 7 8 5 6 7 8 A B C D E F A SIDE B CP3 CP1 CN3 CN2 CN5 CN1 ...
Страница 119: ...119 VSX 1128 K 5 6 7 8 5 6 7 8 A B C D E F C2916 I SIDE B SIDE B I AUDIO ASSY CP17 CP18 CP12 CP13 CP15 CN2103 ...
Страница 122: ...122 VSX 1128 K 1 2 3 4 A B C D E F 1 2 3 4 J SIDE B J CPU ASSY CN310 CN308 CN309 CN305 CN304 CN306 CN301 Q31 Q31 ...