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SCD-XA333ES
5-5.
BLOCK DIAGRAM – DISPLAY/POWER SUPPLY Section –
IFSO0
O
49
SIN
SIN1
50
SOUT
(Page 30)
IFSCO
48
SCK
IFBUSY
47
ACK
XIFCS
60
REQ
XFRRST
30
RESET
DISPLAY CONTROLLER
IC1001
LED (D-OUT)
LED (PAUSE)
31
X1001
8MHz
53
70
DA
DA
51
69
CP
CP
CS
52
68
CS
RESET-OUT
46
67
RESET
FL DRIVER
IC1002
65
OSC0
C1004,
OSC
R1034
66
OSC1
S1005 (2/2)
LED DRIVE
LED (SACD)
64
Q1021
SACD/CD
S1007 (2/2)
LED DRIVE
65
Q1022
MULTI/2CH
D1003
LED DRIVE
LED (PLAY)
66
Q1023
N
D1004
LED DRIVE
67
Q1024
X
KEY0
44
AUDIO
CIRCUIT
S1005 (1/2), 1006,
S1007 (1/2), 1008
KEY1
45
S1001 – 1004,
RY1001 (2/2)
ROTARY
RY1001 (1/2)
JOG A
68
ENCODER
JOG B
69
l
AMS
L
RY1001 (1/2)
REMOTE CONTROL
SIRCS
56
RECEIVER
IC1003
32
FL – 31V
FL1001
FLUORESCENT
SEGMENT DRIVE
INDICATOR
Q1003 – 1010
TUBE
F1
F2
GRID DRIVE
Q1001, 1002
M+12V
MOTOR DRIVER
(IC512) B+
+5V
MOTOR/COIL
+5V REGULATOR
DRIVER
(IC502)
B+
DSD DECODER
+2.5V REGULATOR
(IC801) B+
D+3.3V
A+3.3V
D+5V
A+5V
+3.3V REGULATOR
IC170
D171
+5V
D174
DIGITAL FILTER,
CURRENT PULSE DAC
(IC115, 215, 315)
D173
B+
D172
REGULATOR
IC171, Q101
D175
B+
REGULATOR
IC173, Q102, 103
+12V
HEADPHONE AMP
(IC23) B+
+12V
AUDIO CIRCUIT
B+
–12V
HEADPHONE AMP
(IC23) B–
–12V
AUDIO CIRCUIT
B–
32
32
POWER
TRANSFORMER
(FOR DRIVE)
R405
–31V
RECT
REGULATOR
D402 – 405
Q400
D410
+12V REGULATOR
RECT
IC410
D412 – 415
D411
IC504
POWER TRANSFORMER
(FOR AUDIO)
IC702
+3.3V REGULATOR
RECT
IC420
D420 – 423
+5V REGULATOR
RECT
IC430
D430 – 433
D170
+5V REGULATOR
+8V REGULATOR
RECT
IC172
IC440
D440 – 443
+12V REGULATOR
RECT
IC450
D453, 454
458, 459
D450
D451
–12V REGULATOR
IC455
D455
D456
T490
S490
POWER
LINE FILTER
AC IN
L490
T491
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