Yamaha A-S2100 Service Manual page 58

A B
A-S2100
1
FUNCTION (1)
(Side A)
2
MAIN (1)
(W102)
3
CB502
4
1
8
5
4
16 1
IC722
17 32
RY_SPA
RY_SPB
5
-12D
FRONT (16)
(W424)
6
• Semiconductor Location
Ref no. Location Ref no. Location
D515 H4 D723 E3
D518 I5 D725 E3
D519 I5
D730 G4
D711 E3 D731 D4
D713 E3 D732 F4
7
D715 F3 D733 B4
D721 E3 D734 D4
58
C D
MAIN (2)
(ST201)
MAIN (1) INPUT (2)
(ST101) (W31)
MAIN (2)
(CB204)
MAIN (1)
(CB104)
CB712
W704
W703
W701 W702
1 1
8
8
4 1
4 5
5
4
16 1 16 1
16
IC721 IC720
17 32 17 32
CB713
17
ATT.
BYPASS NORMAL INV.
(-6dB)
ATTENUATOR PHASE
INPUT
Ref no. Location Ref no. Location Ref no. Location Ref no. Location
D738 B4 D757 F4 IC504 H4 IC713
D742 C3 D758 F4 IC505 I3 IC714
D743 C3 D759 I5 IC506 G4 IC715
D745 D3 D760 I5 IC507 J5 IC716
D751 C3 IC501 H5 IC710 F4 IC717
D752 C3 IC502 H4 IC711 F4 IC718
D754 C3 IC503 I5 IC712 F4 IC719
E F
INPUT (1)
FUNCTION (2)
(W905)
(W1003)
MAIN (2)
(W202)
CB503 CB504 CB505
CB715
1 8
4 5
1
8
1
8 5
8
4
5
5 4
16 1
1 16 1
IC717
17 32
IC719 IC718
32 17 32
INPUT (1)
(W906)
INPUT (1)
(W903)
Ref no. Location Ref no. Location Ref no. Location
D4 IC720 D5 Q510 I5 Q526 I5
C4 IC721 C5 Q513 H5 Q529 H5
B4 IC722 B5 Q514 I5 Q530 I5
F3 IC723 I5 Q517 H5 Q538 H5
F5 Q11 B4 Q518 I5 Q711 G5
F5 Q505 I4 Q521 H5 Q715 F5
E5 Q509 I4 Q522 I5 Q718 E3
G H
INPUT (1)
(W904)
FRONT (17)
(W425)
FUNCTION (3)
(W1)
(For factory)
CB506
CB510
CB514
8
IC505
9
4
3
3 2
IC504
1
4 1
5
30 1
31
100
IC502
50
81
51 80
CB511 IC501 IC523
CB513
(For factory)
Writing port
JK501 JK502
ON/OFF IN IN
AUTO POWER
TRIGGER REMOTE
STANDBY
Ref no. Location Ref no. Location Ref no. Location Ref no. Location
Q719 E3 Q733 F4 Q740 D4 Q749
Q723 F4 Q734 F4 Q741 B4 Q751
Q724 F4 Q735 E3 Q742 B4 Q753
Q725 F3 Q736 E3 Q743 C3 Q754
Q726 F3 Q737 F4 Q744 C3 Q755
Q729 E3 Q738 F4 Q747 C4 Q758
Q730 E3 Q739 D4 Q748 C4 Q759
I J
FRONT (1)
(CB405)
MG
I_LRBAL
I_BAS
I_TRE
1
I_VOL
I_HPTRIM
16 I_SPAB
I_ISEL
I_CNTR
+12D
-12D
REM
I_MTRCON
DMRCON
LED_PWR
EX_DO
EX_DI
EX_CL
EX_N_CS
EX_N_IC
MMMC_DET
N_MT_LEV_DET
N_HP_DET
M_VOL+
M_VOL-
+5M
MG
+5S
FRONT (1)
(CB406)
3 1
IC503
5
4
JK503
JK505
OUT
SYSTEM
CONNECTOR
Ref no. Location
D3 Q760 C3
D3 Q763 C3
C5 Q765 B5
C3 Q769 B3
C3 Q770 B4
C4 Q775 I5
C4