Onkyo DR-645(S)/(B)

OUT2
ADJ
IN OUT1
U4
CX1117
C88
220UF/16V
C113
104
C55
104
C51
220UF/10V
FM5V
L25
FB100
3.3V
1.2V
C406
100uF/16V
R403
10
OUT GND IN
IC402
1.2V
C435
1000uF
3.3V
1
2
3
4
5
6
7
8
CN2
8P/2.0
RST
SCL
SDA
FML
AGND
AGND
FM5V
FMR
1.2V
1
3.3V
2
GND
3
GND
4
FMIF OUT
5
GND1
6
IF BUFF
7
ST
8
AMIF OUT
9
FMIF IN
10
AMIF IN
11
AGC
12
DATA
13
CLOCK
14
FM/AM
15
L OUT
16
R OUT
17
MPXIN
18
DET OUT
19
FM OSC
20
VCC2
21
RF OUT
22
GND2
23
RF IN
24
FM/AM
25
R OUT
27
FM-L
29
FM OSC
26
GND
28
FM-R
30
IC1
FMR
RML
SDA
SCL
L26
3.3V
1.2V
FB100
Tuner Board -- Circuit and Layout Diagram
7-4 7-4