Schematic Diagram - Main Board (2/3) - Sony XR-CA670X Service Manual

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6-4.
SCHEMATIC DIAGRAM – MAIN Board (2/3) – •
(2/3)
HP901
(PLAYBACK)
C203
R204
0.01
15k
1
L
2
R205
CN301
27k
FWD
7P
C201
R203
7
330p
10k
7
F-R(CH)
R
6
R(CH)-COM
5
R-R(CH)
3
4
GND
C202
330p
L
3
R-L(CH)
C102
330p
JC301
REV
0
5
2
L(CH)-COM
R
6
1
F-L(CH)
4
C101
330p
IC301
HA12231FP
R103
R105
10k
27k
C103
C104
R104
0.01
0.1
15k
CN351
11P
+B(8.5V)
REEL1
TA2
POS3
TA6
GND
MECHANISM
POS2
TA5
BLOCK
POS0
TA3
POS1
TA4
LM-
LOADING MOTOR DRIVE
LM+
GND
M901
C-MOTOR
C358
(CAPSTAN/REEL)
0.01
C357
0.1
C354
C353
10
0.01
16V
See page 14 for Waveforms.
See page 22 for IC Block Diagrams.
R554
22k
C301
C302
C303
22
22
0.01
16V
16V
C310
R304
0.047
10
C204
0.1
C304
R550
0.1
10k
R301
330k
C205
1
TAPE-RCH
R526
100k
C306
R303
0.47
4.7k
R520
JC503
47k
0
Q301
2SC2412K
AUTO
MUSIC
C305
R302
SENSOR
0.01
15k
CONTROL
TAPE EQUALIZER,
AUTO MUSIC SENSOR
C105
1
TAPE-LCH
JC303
C308
C309
0
10
1
R521
16V
50V
22k
R522
22k
R523
22k
JC302
0
EEP-SDA
EEP-SCL
R516
100k
IC351
LB1930M
Q354
2SB1132-R
R354
10k
R352
R353
Q353,354
1.5
4.7k
CAPSTAN/REEL
MOTOR DRIVE
TA9
Q353
DTC114EKA
C356
D352
220
1SR139
16V
(Page 16)
R508
R530
R529
100k
10k
10k
R553
C753
R503
100k
0.22
100k
R751
47k
R518
R524
100k
100k
R546
0
R547
0
ATT
NCO
AMSON
N_ROUT
MTLON
TAPATT
NCO
AMSIN
NCO
VOLATT
NCO
NCO
NCO
NCO
SYSTEM CONTROLLER
NCO
IC501
MN101C49KSK
FLASH_W
TESTIN
RC_IN1
NCO
NCO
NCO
DIAG
EE_SIO
TUATT
EE_CKO
NCO
R528
R552
100k
100k
R519
100k
17
17
C521
0.01
R507
47k
R544
100
SIR
C514
0.0022
L501
0.47µH
UN2
BUSON
UN1
SYSRST
R543
R542
NCO
100k
100k
NCO
C510
NCO
47
R506
2.2k
16V
L-CLK
LCDCKO
R505
2.2k
L-CE
LCDCE
R504
2.2k
L-DA
LCDSO
X502
MMOD
32.768KHz
C505
XO
18p
C504
XI
22p
C503
15p
VSS
JC502
0
C511
X501
OSC1
0.01
18.432MHz
OSC2
R502
C502
C506
VDD
220
10p
0.01
R509
220
VREF
DSTSEL
NIL
QUALITY
C515
0.001
RCIN0
RC_IN0
C516
0.001
KEY0
KEYIN0
C517
0.001
KEY1
VSM
KEYIN1
R501
R551
VREF-
NIL
22k
0
C501
0.047
S502
(NOSE DETECT)
XR-CA670X
C1
C2
C3
C4
C5
C6
(Page 18)
Q664
DTA114EKA
KEY ACTIVE
SWITCH
C7
C8
C9
C10
C11
C12
C13

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