Yamaha RX-V557 Service Manual page 72

A B
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
1
PRINTED CIRCUIT BOARD (Foil side)
SUBTRANS (2) P.C.B. (Side A)
MAIN(2)
(CB122)
2
3
VP
MG
+5S
+5M
RM+
4
RM-
/PSW
REM
/PURD
/BLK
ISA
ISB
TONEA
TONEB
VRA
VRB
ADKEY0/MOD0
ADKEY1
CEFD
DTFD
CKFD
U, C models
PRV
ICXM
DTXM
DRXM
MG
DG
XMMCK
5
XMWCK
XMSCK
XMSD0
DTPWR
6
DSP
7
(CB1)
72
C D E
HTR-5850
TUNER
CONVERSION
(CB704)
SUBTRANS (3)
(CB601)
SUBTRANS (6)
(CB901)
FUNCTION
(CB303)
F G
SUBTRANS (2) P.C.B. (Side B) Lead Free Solder Used
SYSTEM
CONNECTOR
U, C models
U, C models
H I
U, C models
U, C models
J
• Semiconductor Location
Ref. No. Location
D451 F3
D452 F3
D453 G3
D454 G3
D455 G3
D456 H4
D457 G3
D458 G3
D459 G2
D461 I5
IC451 G4
Q451 B3
Q452 G3
Q453 H4
Q455 H4
Q456 H6
Q457 H6
Q458 C2
Q460 I5
Q462 E5