Yamaha dsp-ax3800 Service Manual page 104

A B
RX-V3800/DSP-AX3800
1
MAIN (1) P.C.B.
(Side A)
2
3
SBL
W260A
MAIN (4)
YELLOW
4 (W260B)
MAIN (3)
GRAY
(W259B)
-LB
GND
GND
+ LB
5
MAIN (4)
(W274A)
POWER (3)
6
• Semiconductor Location
Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location
D279 I3 Q279 H4 Q288
D280 H3 Q280 G4 Q289
D281 G3 Q281 G4 Q290
D282 F3 Q282 F4 Q291
D283 D3 Q283 E4 Q292
D284 C3 Q284 D4 Q293
D285 B4 Q286 I3 Q294
7
Q278 I4 Q287 H3 Q295
104
C D
MAIN (2)
(W256B)
-B
-B
+B
MAIN (2)
+B
(W253B)(W253D)
BLUE RED
W253A
-B
+B
FL
W258A
SL
W259A
W271
(CB19)
MAIN (3)
(W258B)
G3 Q296 E2 Q309A G2 Q313A B2 Q366
F3 Q297 D2 Q309C F2 Q313C B2 Q367
E3 Q298 C2 Q310A F2 Q360 H3 Q368
C3 Q299 B2 Q310C E2 Q361 I3 Q369
C4 Q307A I2 Q311A E2 Q362 G3 Q370
I2 Q307C H2 Q311C D2 Q363 H3 Q371
H2 Q308A H2 Q312A C2 Q364 F3 Q372
F2 Q308C G2 Q312C C2 Q365 G3 Q373
E F
(W252B)(W252D)
C
FR
W255A
RED
W254A
MAIN (4) MAIN (3)
(W255B)
E3
F3
D3
D3
B3
C3
B3
B3
G H
MAIN (2)
W252C
-B
+B
W252A
W250A SBR
SR
W251A
BLACK G
W257A
W273
)
(W254B)(W257B)(W251B
FUNCTION (2)
I J
MAIN (4)
BROWN
(W250B)
(CB303)