Yamaha RX-V557 Service Manual page 60

A B
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
1
PRINTED CIRCUIT BOARD (Foil side)
SUBTRANS (2)
OPERATION (1) P.C.B.
(CB456)
(Side A)
CKFD
CEFD
ADKEY1
ADKEY0
VRA
TONEB
TONEA
ISA
2 /PURD
/PSW
RM+
+5S
VP
FUNCTION
(CB309)
3
4
OPERATION (1) P.C.B. (Side B)
Lead Free Solder Used
5
6
7
60
C D
RX-V557/DSP-AX557
DTFD
VRB
ISB
/BLK
REM
RM-
+5M
MG
ZONE2
HPL
HPE
HPR
MG
/HP
VOLUME
TUNING MODE
AUTO/MAN'L MONO
E F
FL DISPLAY
MAIN
POWER
MEMORY
MAN'L/AUTO FM
PRESET/TUNING/CH
DISPLAY
- LEVEL
INPUT
MULTI CH INPUT MODE
INPUT
48
49
G H
OPERATION (2)
(CB861)
+5M
PSW
F2
F1
PRESET/TUNING
A/B/C/D/E
CATEGORY
XM
+
FM/AM EDIT
NEXT
SEARCH MODE
PROGRAM
STRAIGHT
TONE CONTROL
EFFECT
33 32
17
16
64 1
I J
• Semiconductor Location
Ref. No. Location
D802 I2
D803 H5
D804 H5
D805 D5
D806 E5
D807 E5
D808 D5
IC801 G5
Q801 F5
Q802 F5
Q803 G5
Q804 G5
Q805 H5
Q806 G5
Q808 F5
OPERATION (3)
(CB871)
HPR
HPE
HPL
MG
/HP
SPEAKERS
B A