Read Sony XR-CA300 / XR-L200 Service Manual online
XR-CA300/L200
24
24
• Waveforms
– MAIN Board –
– MAIN Board –
1
IC200
4
(OSCO)
4
IC900
ud
(OSC)
2
IC1
qs
(OSC2)
3
IC1
qh
(XO)
2.4 Vp-p
231 ns
1.8 Vp-p
54.3 ns
5.4 Vp-p
30.5
µ
s
– CONTROL Board –
2.6 Vp-p
21
µ
s
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC200
SAA6588T-118
SCOUT
MRO
MPTH
TCON
OSCO
OSCI
VSSD
VDDD
DAVN
SDA
VREF
MPX
VSSA
VDDA
AFIN
MAD
PSWN
SCL
2
1
6
15
11
13
16
14
12
INTERFACE
REGISTER
SIGNAL QUALITY
DECODER
CLOCKED
COMPARATOR
POWER SUPPLY
& RESET
TEST
CONTROL
OSCILLATOR
& CLOCK
PAUSE
DETECTOR
MULTI
PATH
DETECTOR
57kHz
8th ORDER
BAND-PASS FILTER
RDS/RDBS
DECODER
RDS/RDBS
DEMODULATOR
IIC BUS SLAVE
TRANSCEIVER
17
18
CIN
19
LVIN
20
8
7
DATA
CLOCK
DATA
CLOCK
4
4
5
9
10
3
4
5
IC400
LC75421M-TLM
IC800
MM1175XFF (XR-CA300 only)
RESET
SWITCH
BATT
SWITCH
1
2
3
4
5
6
7
8
9
10
14
13
12
11
BUS ON
OUT
RESET
OUT
BATT
CLK
OUT
VREF
DATA
IN/OUT
GND
BATT
CHECK
CHECK
CLK
IN
IN
BUS ON
IN
IN
RESET
IN
IN
VCC
DATA IN
DATA OUT
36
35 34 33
1
2
CCB
INTERFACE
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
+
–
–
+
–
–
32 31
+
–
30
29
28
+
–
27 26 25
24 23 22 21 20 19
+
–
+
–
–
+
–
–
R VREF
4
5
+
–
+
–
6
7
+
–
–
8
9
10
+
–
–
11 12 13
14 15 16 17 18
+
–
–
+
–
+
–
L VREF
3
LROUT
LFOUT
LFIN
LOUT
LSB
LBASS2
LBASS1
LTRE
LIN
LSELO
L5
L4
L3
L2
L1
VSS
VDD
RROUT
RFOUT
RFIN
ROUT
RSB
RBASS2
RBASS1
RTRE
RIN
RSELO
R5
R4
R3
R2
R1
VREF
CL
DI
CE
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