Yamaha dsp-ax3800, Service Manual

Page: 104 / 189

2
A B C D E F G H I J
1
3
4
5
7
RX-V3800/DSP-AX3800
6
104
W253A
W256A
W252C
W252A
W250A
W251A
W257A
W254A
W255A
W258A
W260A
W259A
W274B
W273
W271
CBR
E
SBL
SR
E
SL
FR
E
FL
E
E
C
FUNCTION (2)
(CB303)
POWER (3)
(CB19)
MAIN (4)
(W274A)
MAIN (2)
(W256B)
PRD
PRI
OUTL
VL
-LB
+B
+B
-B
-B
GND
GND
+ LB
MAIN (4)
(W260B)
MAIN (3)
(W259B)
MAIN (3)
(W258B)
MAIN (4)
(W255B)
MAIN (2)
(W252B)(W252D)
MAIN (4)
(W250B)
MAIN (2)
(W253B)(W253D)
MAIN (3)
(W254B)(W257B)(W251B
)
SBL
SL
+B
FL
C
FR
+B
SR
G
SBR
-B
-B
YELLOW
GRAY
BLUE
WHITE
BLUE
RED
ORANGE
BLACK
BROWN
BLUE
RED
RED
MAIN (1) P.C.B.
(Side A)
• Semiconductor Location
D279 I3
D280 H3
D281 G3
D282 F3
D283 D3
D284 C3
D285 B4
Q278 I4
Q279 H4
Q280 G4
Q281 G4
Q282 F4
Q283 E4
Q284 D4
Q286 I3
Q287 H3
Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location Ref no. Location
Q288 G3
Q289 F3
Q290 E3
Q291 C3
Q292 C4
Q293 I2
Q294 H2
Q295 F2
Q296 E2
Q297 D2
Q298 C2
Q299 B2
Q307A I2
Q307C H2
Q308A H2
Q308C G2
Q309A G2
Q309C F2
Q310A F2
Q310C E2
Q311A E2
Q311C D2
Q312A C2
Q312C C2
Q313A B2
Q313C B2
Q360 H3
Q361 I3
Q362 G3
Q363 H3
Q364 F3
Q365 G3
Q366 E3
Q367 F3
Q368 D3
Q369 D3
Q370 B3
Q371 C3
Q372 B3
Q373 B3