Yamaha RX-V550 Service Manual page 8

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