![Sony XR-CA300 - Fm-am Cassette Car Stereo Service Manual Download Page 38](http://html.mh-extra.com/html/sony/xr-ca300-fm-am-cassette-car-stereo/xr-ca300-fm-am-cassette-car-stereo_service-manual_396632038.webp)
38
XR-CA300/CA320/CA320X
• Waveform (Refer to page 24 except for
3
.)
– MAIN Board –
3
IC3
1
(X OUT)
• IC Block Diagram (Refer to page 24 except for IC3.)
– MAIN Board –
IC3
TB2118F-EL-S
42 mVp-p
200 ns
VDD
AMP
AMP
AMP
VDD2
1
2
3 4 5 6
7
8
9
10
24 23
22 21
20
19
18
17
16 15
11
12
14 13
XO
OSC
CE
DIN
CK
DOUT
SR
I/O-1
I/O-2
OUT-1
OUT-2
VDD2
IFC
VDD
FM IN
AM IN
D-GND
FM CP OUT
VT
AM CP OUT
VCC
REG
A-GND
XI
SERIAL
INTERFACE
I/O
PORT
OSCILLATOR
ON/OFF
BUFFER
REFERENCE
DIVIDER
PHASE
COMPARATOR
20BIT
IF COUNTER
PRESCALLER
12BIT
PROGRAMMABLE
COUNTER
+
–
REGULATOR
18BIT
18BIT
22BIT
40BIT SHIFT
REGISTER
REF
VCC
SEEK/RECP
SEEK/RECP
+
–
SIG
4BIT SWALLOW
COUNTER
OUTPUT
PORT
+
+