Yamaha RX-V550 Service Manual page 66

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
VRA
TONEB
2 TONEA
ISB
ISA
/BLK
/PURD
REM
PSW
RM-
RM+
+5M
+5S
MG
VP
HPL
HPE
HPR
MG
/HP
VOLUME
3 FUNCTION (1)
4
OPERATION (2) P. C. B.
(Lead Type Device)
POWER TRANSFOMER
5
STANDBY
/ON
6
7
66
C D E
RX-V550
RDS MODE/FREQ
EON
PTY SEEK
START MODE
TUNING MODE
AUTO/MAN'L MONO
MEMORY
MAN'L/AUTO FM
MULTI CH
INPUT
OPERATION (3) P. C. B.
(Lead Type Device)
/HP
MG
HPL
HPE
HPR
L R
PHONES
SILENT CINEMA
F G
PRESET/TUNING
LEVEL
INPUT
INPUT MODE TONE CONTROL
OPERATION (4) P. C. B. (Lead Type Device)
FUNCTION (1)
R L
AUDIO
VIDEO AUX
H I
+5M
PSW
F2
F1
A/B/C/D/E FM/AM PRESET/TUNING
NEXT EDIT
HPL
PROGRAM
HPE
HPR
MG
/HP
STRAIGHT
EFFECT
Circuit No.
D802
SW816-819
VIDEO
X: NOT USED
O: USED / APPLICABLE
J K
SPEAKERS
B A
• Semiconductor Location
Ref. no. Location
D802 I2
U, C, A B, G, E L, R, T, K
O X X
X O X