RX-V550/HTR-5750
RX-V450/HTR-5740/DSP-AX450
56
A
1
2
3
4
5
6
7
B
C
D
E
F
G
H
I
J
K
SW
MTFS
SBRY
MBRY
Z2RY
8/4
PDET
+5S
S10
VP
SDTP
SDRP
NC
+12B
TUL
TUR
TUNED
FUNCTION (2) P. C. B.
(Lead Type Device)
TUNER
CEP
SCKP
TE
+5B
COMP
TE
TMT
/ST
SWE
PRY
ERY
MARY
/4ohm
PRV
/RES
+5M
MG
PURD
PR
V
PLDET
LC1
PRI
PRD
THM
FA
N
MAIN (1)
+12
TRIG
MG
RM+
RM-
W503
OPERATION (1)
MAIN (2)
+5V
-5V
CMP0
CMP1
NC
+12
+5
-5
VIA
VIB
/VR
VSY
SCKN
SDTN
CES
I/E
YCSEP
MON
VSEL
FUNCTION (4)
DEST
VE
AXV
+12
VIA
VIB
/VR
MON
VSEL
TUL
TE
TUR
MG
DTZ2
CKZ2
DTEV
CKEV
MTZ2
MTSW
MTCT
MTFS
MTHP
/HP
-12
+12
AXV
VE
-5
+5
/INTDSP
/INTFCT
VBIT
/ICY
/ICADM
/ICD
SDM
SDD
SCK
/CSDAC
/CSY
/CSADM
/CSDIR
MG
+5M
RM-
REM
/BLK
ISB
T
ONEB
VRB
ADKEY1
DTFD
VP
+5S
RM+
PSW
PURE
ISA
T
ONEA
VRA
ADKEY0
CEFD
CKFD
FUNCTION (1)
DSP
FUNCTION (3)
Ref. no. Location
IC501
B6
Q461
I3
Q501
C5
Q507
C4
Q508
C4
• Semiconductor Location
Circuit No.
U, C A
B, G, E L, R, T, K
C512
O
O
X
X
C528, 529, 534
X
X
O
X
CB461
O
O
X
X
CB504
O
O
X
X
JK461, 462
O
O
X
X
L501
X
X
O
X
Q461
O
O
X
X
Q508
X
X
O
X
W503
O
O
X
X
XL502
X
X
O
X
X: NOT USED
O: USED / APPLICABLE
FUNCTION (5) P. C. B.
(Lead Type Device)
+12
TRIG
MG
RM+
RM-
CONTROL
OUT
REMOTE
ZONE 2
+12V
15mA MAX.
OUT
IN
U, C, A models only
COMPONENT VIDEO
FUNCTION (7) P. C. B.
(Lead Type Device)
DVD
DTV
/CBL
MONITOR
OUT
+5
-5
CMP0
CMP1
NC
A
B
■
PRINTED CIRCUIT BOARD (Foil side)
RX-V550