Yamaha dsp-ax3800 Service Manual page 106

A B
RX-V3800/DSP-AX3800
1
MAIN (2) P.C.B. MAIN (2) P.C.B.
(Side A)
2
+B
+B
-B
-B
MAIN (1)
(W256A)
RED
3
W253B W261C
W252B
+B
+B
W252D
-B
RED
-B
W253D
BLUE
BLUE
4
5
CB253
MAIN (1)
(W253A)(W253C)
6
Circuit No.
D313
J257, 258
RY25
7
X : NOT USED
O : USED/APPLICABLE
106
C D
MAIN (3) P.C.B. MAIN (3) P.C.B.
U, C, R, T, K, A, B, G, E, L models
W261A
BLACK
G
BLACK
G
+B
G
-B
RYB-
RYBM+
RYBL+
PRV
POWER TRANSFORMER
U, C, R, T, K, A, B, G, E, L J
O X
X O
O X
E F G
(Side A)
MAIN (4)
(W263A)
W263B
BLACK
BLACK
MAIN (1)
(W258A)(W254A)
(W259A)(W251A)(W257A)
• Semiconductor Location
Ref no. Location Ref no. Location Ref no. Location Ref no. Location
D301 B3 D304
D302 G5 D305
D303 G5 D306
H I
MAIN (4) P.C.B. MAIN (4) P.C.B.
(Side A)
CGND
BLACK
PRV
RYBL+
RYBM+
RYB-
-B
VPG2
+B
MAIN (2)
(W276A)
F2 D307 J5 Q266 J3
J3 D313 C4 Q267 J2
J5 D314 B4 Q322 J4
J
MAIN (1)
(W274B)
-LB
MAIN (1)
GND
(W255A)
+LB
BLUE
C
BROWN
SPF+
SPF+
SPSr+ SPSr+
SPZ3 SPZ3
SPSb+
RY-
VPG SPZ2+
SPC+
RYBM+
MAIN (3)
RYBL+
RY-
(W263B)
VPG
-VP
MAIN (1) RPV
LMTCNT
(W260A)(W250A)
POWER (3)
(CB21)