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
58
E
DTR
DTL
E
VIR
VIL
V0R
V0L
Z2R
Z2L
SWE
SW
MTSW
MTZ2
DVR
DVL
SUBTRANS (9)
(CB441)
SUBTRANS (2)
(CB460)
DSP
(CB11)
DSP
(CB2)
TUL
TUE
E
E
TUR
MG
DTZ2
CKZ2
DTEV
CKEV
MTZ2
MTSW
MTCT
MTFS
MTHP
/HP
-12
+12
A
UX-V
VE
-5
+5
OPERATION (4)
(W883)
POWER (1)
(CB358)
POWER (1)
(CB351)
ADL
E
PR
PL
SR
SL
SBR
SBL
SW
C
R
L
E
ADR
+12
-12
+5D
+3.3D
VE
VE
VE
VE
E
AXR
A
UX-V
AXL
+3.3D
+5
+12
-12
+5D
-5
OPERATION(1)
(W803) (W804)
(W803) RX-V557
DSP-AX557
(W804) HTR-5850
RX-V457
HTR-5840
DSP-AX457
HPL
HPR
/HP
HPE
MG
-7V
XML
XMR
+7V
E
MULTI CH INPUT
AUDIO
L
R
FRONT
L
R
IN
(PLAY)
MD
/CD-R
L
R
OUT
(REC)
L
R
CD
L
R
SURROUND
SUBWOOFER
CENTER
SBL
SBR
FL
SL
C
FR
SR
E
E
E
E
E
E
XM
(CB23)
RX-V557 (U, C models)
1
8
■
PRINTED CIRCUIT BOARD (Foil side)
FUNCTION P.C.B. (Side A)
Ref. No.
Location
D303
B4
D304
C5
IC305
B5
Q307
D5
Q308
E5
• Semiconductor Location
X : NOT USED / O : USED
Circuit No.
J, R, T, K, L
U
C, A, B, G, E
C328, 329
X
O
O
IC302
X
O
O
W302
X
O
X
RX-V557/DSP-AX557
Circuit No.
J, U, C, R, T, K, A, B, G, E, L
C328, 329
X
IC302
X
W302
X
HTR-5850/RX-V457/HTR-5840/DSP-AX457