Read Sony XR-CA350X Service Manual online
XR-CA350X
4
4
1-3.
SCHEMATIC DIAGRAM – MAIN Board (Type B) (1/2) –
Note: When replacing the IC1, refer to servicing note (Page 2 “When replacing the IC1”).
ANT100
R101
Q252
R250
R259
D253
D250
Q253
D300
R314
R312
R313
C302
C303
R300
R301
R302
R306
R304
C304
C306
R308
R310
C311
C312
C305
R307
C307
R311
R309
C310
R37
R8
R9
R25
R49
R46
R47
R48
R21
R23
R57
R20
R19
R18
R17
R27
R44
R16
R26
R53
R607
R50
C8
R3
R4
R59
R60
R5
R6
R7
C3
R2
X1
C1
C2
C6
C5
R58
C600
Q351
R352
R350
Q350
R353
D350
R600
R601
R602
R603
R604
R605
R606
CN600
R55
R11
R10
R54
R14
R105
R106
C100
C104
TU100
L1
R56
R24
R22
CN350
CN300
R42
R41
S1
M901
S901
S902
S903
R351
IC300
HP901
Q251
R43
R38
R305
R303
R1
X2
R40
R39
IC1
R28
R31
R32
R34
R262
C262
R264
C4
C314
22k
2PB710A
470
10k
1SS133
MTZJ5.1A
PDTC114EK
1SS133
10
1.5k
1.5k
0.001
0.001
47k
47k
100
56
100
100p
0.01
330k
15k
470p
100
10V
10V
100p
56
0.01
15k
330k
1
50V
100k
100
100
100
100
100
100
100
100
10k
0
100
100
100
47k
100
100
100k
100
100
1k
100
0.001
100k
4.7k
1k
100
100
100
1.5k
18p
0
18.432MHz
12p
12p
22
10V
0.1
1k
0.1
PDTC114EK
1.5k
10k
2SA1428
1
11ES2
1k
1k
1k
1k
1k
1k
1k
12P
100
100
100
100
100k
220
220
0.047
0.1
TUX-031//Q2
0
10k
100
8P
3P
0
0
1.5k
HA12232FP-EL
2SD1664
0
100k
100
100
1k
32.768KHz
100k
100k
MN101C49HEA
0
100k
0
0
1k
1
1k
22p
100
6.3V
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
T
U
1
T
U
9
T
U
1
0
T
U
8
T
U
7
T
U
5
T
U
4
PNL1
PNL4
PNL7
PNL5
PNL3
PNL6
PNL2
TU4
TU5
T
U
9
AU8
AU5
AU6
AU7
A
U
1
A
U
2
A
U
3
A
U
4
B
U
S
4
B
U
S
5
B
U
S
3
T
U
7
T
U
8
B
U
S
6
BUS1
BUS2
TU1
T
A
P
E
4
T
A
P
E
1
T
A
P
E
2
T
A
P
E
3
TAPE1
TAPE2
TAPE3
PNL1
PNL2
PNL3
PNL4
PNL5
PNL6
PNL7
T
U
I1
1
D1
D2
B
1
B
2
TAPE4
TU11
T
U
1
0
(CHASSIS)
(FM/AM ANTENNA)
NOSE-SW
LAMP+B
LAMP+B
LCD-CLK
LCD-CE
GND
GND
MOTOR+
MOTOR-
FF/REW
TAPE-IN
L-CH
R-CH
N/R
L
R
(PLAYBACK)
(CAPSTAN/REEL)
(DIRECTION)
REV
FWD
(FF/REW)
(OFF:PLAYBACK)
(TAPE DETECT)
(ON:TAPE IN)
LCD-CKO
XO
XI
VSS
OSC1
OSC2
VDD
VREF+
MPTH
VSM
VREF-
N
C
I
BEEP
N
C
I
D
ES
T-S
EL0
D
EST-SEL2
D
EST
-SEL1
D
A
VS
S
TAP
E-O
N
D
AV
DD
AM-ON
FM-ON
TU-ON
N
/
NC
N
C
NC
N
C
NC
N
C
N
C
N
C
NC
NC
NC
NC
NC
NC
NC
NC
NC
N
C
N
C
N
C
NC
NC
NC
NC
NC
AN
T
G
N
D
1
R
L
Q
U
ALITY
S M
ETER
TU
M
U
TE
M
U
TE CO
N
R
D
S
VCC
TU
VD
D
G
ND
2
TU
SC
L
T
U SD
A
E
2P SCL
E2P VD
D
E2P SD
A
(CHASSIS)
1/2VCC
G
N
D
VR
EF
NC1
NC
2
RIP
VCC
N
C3
NC4
(CHASSIS)
(CHASSIS)
LCD-DO
LCD-DI
LCD-RESET
GND
GND
GND
(1/2)
NC
NC
NC
NC
LCD-CE
NC
ILL-O
N
N
C
N
C
NC
N
S
-M
AS
K
NC
NC
NC
N
IL
N
C
I2C
-SIO
A
M
P
-O
N
FRASH WRITE
DRIVE+5V
RESET
Q350,351
CAPSTAN/REEL
MOTOR DRIVE
TAPE EQUALIZER
+5V REGULATOR
Q252,253
TUNER
B+ SWITCH
SYSTEM CONTROLLER
AT
T
A
M
P
-ATT
TU-ATT
DX
LO/
VOL-ATT
LCD-RES
FLASH-W
TEST-IN
EE-SIO
EE-CKO
COL-SEL
N
OS
E-SW
FF/REW
TA
PE-IN
R
QUALITY
MMOD
LCD-SO(TX)
LCD-SI(RX)
KEYACK
SYS-RES
BUS-ON
D
A
VN
B
U
-IN
R
ES
ET
P
O
W
ER
-ON
ILL-IN
A
CC-IN
T
EL-ATT
BU
S-S
O
BU
S-S
I
B
US
-CK
O
I2C-CK
O
TUNER UNIT
TU
-A
TTIN
10µH
R263
10
R102
3.3
C250
C251
0.01
10
16V
C105
C106
0.1
100
10V
10V
R13
100
100
R205
0
R12
100k
C315
100
6.3V
(Page 5)
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