Yamaha R-S300 Service Manual page 40

A B
R-S300
1
FUNCTION (2) P.C.B.
TAPE
PB
2
L/R
3
GND
DETOUT
+9V
4
ROUT
VDD_SEL
LOUT
STEREO
S-METER
TUNED
SCL
SDA
AM/FM TUNER
5
6
CDL-O
CDL+O
AGND
AGND
CDR-O
CDR+O
OPERATION (2)
AGND
(CB801)
AGND
VDR
7
AGND
VOL
+15
-15
40
C D
(Side A)
LINE
REC PB 1 REC 2
L/R L/R L/R L/R
G model
E F
FUNCTION (3) P.C.B.
U, C, A models
DOCKR
DOCKL
AGND
SIRIR
SIRIL
AGND
CDR
CDL
AGND
PHOR
PHOL
AGND
CDR+I
CDR-I
CDL+I
CDL-I
-15
-15
+15
+15
FUNCTION (1)
(CB502)
MG
RDS_RDY
RDS_MISO
TU_SCL
TU_SDA
RDS_SCK
RDS_N_RST
TU_N_TUNED
TU_N_ST
EVOL_MOSI
EVOL_SCK
Z2MT
FUNCTION (1)
(CB501)
• Semiconductor Location
Ref no. Location
Q405 C6
Q406 D5
Q407 D5
Q408 D6
Q409 D6
G H
(Side A)
REMOTE PHONO
L/R
IN OUT
JK601 JK602
I J
CD
L/R
FUNCTION (1)
(CB510)
CD+I
CDL-I
AGND
CDR+I
CDR-I
AGND
CDL
AGND
CDR
AGND
PHOR
AGND
PHOL
AGND
-15
+15
MG
TRIG
RM2-
RM2+
RM1-
RM1+
FUNCTION (1)
(CB515)
(U, C, Amodels)