Yamaha RX-V540 Service Manual page 57

A B
1
I PRINTED CIRCUIT BOARD (Foil side)
MAIN (2) P. C. B.
2
3
4
MG
MG
S12
PRY
POWER
(2)
5
IMPEDANCE SELECTOR
6
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location
D301 G4 D308 I4 D315 G3
D302 H4 D309 I4 Q301 H3
D303 G4 D310 D5 Q302 H2
D304 G4 D311 C4 Q305 H3
D305 H2 D312 C4 Q306 I3
7
D306 J4 D313 C4
D307 I4 D314 C4
C D
(Lead Type Device)
Power
Transformer
Circuit No. J U, C R, T, A K, B, G, L
C305, 308~311, 313, 318~320, X X O O
322~324, 326~328
J301, 302, 305, 306 O X X X
R333, 334, 336~338 X X O O
SW301 X O O O
X: NOT USED
O: USED / APPLICABLE
E F
RX-V540/RX-V540RDS/HTR-5650/HTR-5650RDS/DSP-AX540
MAIN (1)
+ – –
R/
L/
CENTER
REAR CENTER
REAR
G H I
RX-V540/RX-V540RDS/HTR-5650/HTR-5650RDS/DSP-AX540
RX-V440/RX-V440RDS/HTR-5640/HTR-5640RDS/DSP-AX440
MAIN (1)
MAIN (1)
+ + – –
L
MAIN
J
FUNCTION (2)
VP
MG
S12
PRV
MRYA
MRYB
ERY
PRY
FMT
NC
SWE
SW
+
R
69