2
A
B
C
D
E
F
G
H
I
J
1
3
4
5
7
RX-V557/HTR-5850/DSP-AX557
RX-V457/HTR-5840/DSP-AX457
6
62
OPERATION (1) P.C.B. (Side B)
Lead Free Solder Used
1
17
16
48
49
64
32
33
■
PRINTED CIRCUIT BOARD (Foil side)
HTR-5850
RX-V457/HTR-5840/DSP-AX457
OPERATION (1) P.C.B.
(Side A)
Ref. No.
Location
D803
H5
D804
H5
D805
G5
IC801
F5
Q801
F5
Q802
F5
Q803
H5
Q804
H5
Q805
H5
Q806
G5
Q807
F5
• Semiconductor Location
PRESET/TUNING
EDIT
STRAIGHT
EFFECT
SEARCH MODE
XM
NEXT
CATEGORY
DISPLAY
FM/AM
A/B/C/D/E
PROGRAM
- LEVEL +
PRESET/TUNING/CH
TONE CONTROL
+ BASS/TREBLE -
EON
START
VOLUME
MODE
PTY SEEK
RDS MODE/FREQ
TUNING MODE
B, G, E models
MEMORY
MAN’L/AUTO FM
AUTO/MAN’L MONO
FL DISPLAY
INPUT MODE
INPUT
MULTI CH
INPUT
OPERA
TION (3)
(CB871)
OPERATION (5)
(CB866)
OPERATION (2)
(CB861)
/HP
MG
HPR
FUNCTION
(CB309)
HPL
HPE
HPR
MG
/MP
HPL
MG
MG
F1
F2
/PSW
MG
FG
FG
SPSW1
HPE
SUBTRANS (2)
(CB456)
CKFD
CEFD
ADKEY0
VRA
TONEA
ISA
/PURD
/PSW
RM+
+5S
VP
DTFD
ADKEY1
VRB
TONEB
ISB
/BLK
REM
RM-
+5M
MG