Yamaha RX-V550 Service Manual page 68

A B
RX-V550/HTR-5750
RX-V450/HTR-5740/DSP-AX450
I PRINTED CIRCUIT BOARD (Foil side)
1
OPERATION (1) P. C. B. (Lead Type Device)
FUNCTION (2)
CKFD
DTFD
CEFD
ADKEY1
ADKEY0
VRB
2 VRA
TONEB
TONEA
ISB
ISA
/BLK
/PURD
REM
PSW
RM-
RM+
+5M
+5S
MG
VP
VOLUME
3
FUNCTION (1)
4
Circuit No.
SW818-821
X: NOT USED
O: USED / APPLICABLE
OPERATION (2) P. C. B.
5
(Lead Type Device)
STANDBY
/ON
6
POWER TRANSFOMER
7
68
C D
HTR-5750 RX-V450/HTR-5740/DSP-AX450
EON RDS MODE/FREQ
PTY SEEK
START MODE
TUNING MODE
AUTO/MAN'L MONO
/HP
MG
HPOR
HPE
HPOL
J, U, C, A, L, R, T, K B, G, E
X O
MULTI CH
INPUT
OPERATION (3) P. C. B.
(Lead Type Device)
F1
F2
PSW
+5M
SG
SG
L R
PHONES
SILENT CINEMA
E F
MEMORY
PRESET/TUNING
MAN'L/AUTO FM
LEVEL
INPUT INPUT MODE
OPERATION (4) P. C. B.
(Lead Type Device)
R
AUDIO
VIDEO AUX
G H
FM/AM PRESET/TUNING
A/B/C/D/E
EDIT
NEXT
PROGRAM STRAIGHT
EFFECT
CONTROL
BASS/TREBLE
OPERATION (5) P. C. B.
(Lead Type Device)
FUNCTION (1)
SPEAKERS
B
L
VIDEO
I J K
/HP
MG
HPOL
HPE
HPOR
A