Sony XR-CA300 Service Manual page 24
Fm/aw cassette car stereo
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Also See for XR-CA300:
- Operating instructions manual (113 pages) ,
- Service manual (37 pages) ,
- Installation/connections (4 pages)
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XR-CA300/CA320/CA320X
• Waveforms
– MAIN Board –
1 IC1 qs (OSC2)
1.8 Vp-p
54.3 ns
2 IC1 qh (XO)
5.4 Vp-p
30.5 µs
– CONTROL Board –
3 IC900 ud (OSC)
2.6 Vp-p
21 µs
• IC Block Diagrams
– MAIN Board –
IC400 LC75421M-TLM
36
35 34 33
+
–
CONTROL
+
CIRCUIT
–
CCB
LOGIC
INTERFACE
CIRCUIT
CONTROL
CIRCUIT
1
2
3
4
5
IC800 MM1175XFF
BUS ON
1
14
VCC
OUT
RESET
RESET
RESET
2
13
SWITCH
IN
OUT
BATT
BUS ON
BATT
3
12
SWITCH
IN
CLK
CLK
4
11
OUT
IN
BATT
VREF
5
10
CHECK
DATA
6
9
DATA IN
IN/OUT
GND
7
8
DATA OUT
24
24
32 31
30
29
28
27 26 25
+
+
–
+
–
–
6
7
8
9
10
11 12 13
24 23 22 21 20 19
+
–
+
R VREF
–
L VREF
14 15 16 17 18
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