Yamaha AS2000BL Stereo Amplifier User Manual


 
2
ABCDEFGH I J
1
3
4
5
7
A-S2000
6
44
W4
W3
IC51
BC2
BC3
BC4
CB23
CB25
W1
IC52
(Side A)
FUNCTION (3) P.C.B.
+5M
GY
GYBR
BR
PDET
/RES
PRV
RY_SPA
PSAV1
PSAV2
RY_SPB
RY_PWR
MG
MG
PSVA1
RY_SPA+
RY_SPB+
-12C
PSVA2
MG
+5M
PRV
DGND
9V
+12C
-12C
AC IN
FRONT (1)
(CB501)
FRONT (14)
(W8A, W8B)
R, L models
POWER TRANSFORMER
U, C, T, K, A, B, G, J models
MAIN (3)
(W317)
FRONT (13)
(CB79)
POWER TRANSFORMER
Brown
Brown
Black
RY_SPA+
RY_SPB+
-12C
BALANCE
(CB203)
IN
COM
OUT
IN
COM
OUT
R, L models
R, L models
U, C, T, K, A, B, G, J models
Semiconductor Location
D9 E3
D11 E3
D306 G4
IC51 F5
IC52 G5
Q3 F4
Q5 F4
Q144 G6
Q145 G6
Q146 G6
Q147 G6
Ref no. Location
Circuit No.
C6
CB2
J1
W11A, W11B
U, C, T, K, A, B, G, J R, L
XO
XO
OX
OX
X : NOT USED
O : USED/APPLICABLE