Schematic Diagram - Main Board (1/2) - Sony XR-CA370 Service Manual

XR-CA370/CA370X
5-3. SCHEMATIC DIAGRAM – MAIN Board (1/2) – •
(1/2)
ANT100
(FM/AM ANTENNA)
R101
22k
C103
4.7 C100
50V 0.047
Q100
R100
PDTC144EK
100
NOISE DET R104
0
DISCHARGE
SWITCH
TU12 TU2
(CHASSIS)
R200
470k
IC200
SAA6588T-V2
C200
0.1
MPO LVIN
C201 R201
470p 1k
HPTH CIN
TCON SCOUT
C202 R202
12p 22k
OSCO VREF
C203 X200
12p 4.332MHz
OSCI MPX
R206
10
VSSD VSSA
C204 R203
0.1 0
VDDD VDDA
C205 R204
0.001 470
DAVN AFIN
SDA MAD
SCL PSWN
R208 R209
220 220
TU6 TU7 TU8 RDS DECODER
HP901
(PLAYBACK)
CN300
3P
L L-CH
R-CH
1/2VCC
R
M901
CN350
(CAPSTAN/REEL)
8P
S901
MOTOR+
(DIRECTION)
REV MOTOR-
N/R TAPE1
FWD GND
S902 FF/REW TAPE2
(FF/REW)
GND
(OFF:PLAYBACK)
TAPE-IN TAPE3
S903
(TAPE DETECT) GND
(ON:TAPE IN)
(CHASSIS)
CN600
12P
R600 1k
NOSE-SW
R601 1k
FRASH WRITE
LAMP+B
LAMP+B
R602 1k
LCD-RESET
R603 1k
LCD-CLK
R604 1k
LCD-DI
R605 1k
LCD-CE
R606 1k
(Page 19) LCD-DO
DRIVE+5V
GND
GND
(CHASSIS)
SW600
RESET
(CHASSIS)
•
See page 14 for Waveforms. See page 20 for IC Block Diagram.
TU100
TUX-030
TUNER UNIT
C101 C102
0.001 0.001 C106 R102
C104 C105
100
5.6
0.1 0.1
10V
R105 R106
1k 1k
C210
0.0022
C211
47
16V
C209
560p
C208
2.2
C207
330p
C206
0.1
R207
10
C312
C306 R310 C311
100
0.01 15k 470p
10V
R306
82
R302 C304 R304 R308
100 100p 100 330k
D300
R300 1SS133
47k
R301
47k
NC4
TAPE EQUALIZER
IC300
NC1
HA12232FP-EL
R309
R303 R305
C305 330k
100 100
100p
C310
C314 R307 C307 R311
1
100 6.3V 82 0.01 15k
50V
PNL1
PNL2 Q350
R353
2SA1428
1
PNL3
C600
PNL4
0.1 R350
10k
PNL5
Q350,351
PNL6
CAPSTAN/REEL R351 R352
1.5k 1.5k
PNL7 MOTOR DRIVE
TAPE4
Q351
PDTC114EK
D350
11ES2
R607
1k
Q251 R263 Q252
2SD1664 10 2PB710A
R250
+5V REGULATOR
470
R262
1k
R264
1k
D253
1SS133
C251
C250
10
0.01 Q253
16V
D250 PDTC114EK
MTZJ5.1A
TU11
R56 R24
1k 10k
R22
100
AU5 R46 100
R21
100
AU6 R47 100
AU7 R48 100
NC
NC
R49
NC
100
R312
TU-ATT
1k
D2
NC
NC
R314 R25
LO/ DX
10 100
TU-ON
AU8 R55 100
VOL-ATT
R37 100k
FM-ON
R10
AM-ON
100
PNL3
NC
R11
LCD-RES
100
PNL6
LCD-CE
PNL2
FLASH-W
TEST-IN
R14
NC
100k
NC
R54
NC
100
R313
NC
1k
D1
NC
NC
R8
NC
100
TU4
EE-SIO
TU5
EE-CKO
R9
100
COL-SEL
(CA370X) (CA370)
R28 R29
0 100k
16 16
R259
10k
Q252,253
TUNER
B+ SWITCH
C262
1
R43 R50 R13
0 100 100
C8
0.001
R12
100k
KEYACK
BUS-ON
SYS-RES
R7
NC
1k
NC
R6
NC
100
LCD-CKO
R5
LCD-SI(RX)
100
LCD-SO(TX)
MMOD
X2 32.768KHz
XO
XI
C3 18p
VSS
X1
SYSTEM CONTROLLER OSC1
18.432MHz
IC1
OSC2
MN101C49KSF
R1 R2
VDD
1k 0
VREF+
NC
MPTH
C10 100p
QUALITY
NC
NC
NC
NC
VSM
VREF-
R39 100k
R40 100k
R38
100k
PNL1
A1
A2
A3
A4
L1
10µH
A5
A6
A7
A8
(Page 17)
BUS2
BUS1
PNL4
A9
R59
1k
PNL7
R4
4.7k
R60
1k
PNL5
R3 A10
100k
C2
12p
C1
12p
R61
1k
TU3
TU2
R62
1k
C6
A11
22
10V
R58
1k
TU1
C5
0.1
A12
A13
A14
A15
A16