SCD-XA9000ES
32
32
46, 47
45 – 32
61 – 64, 1 – 30
FL801
FLUORESCENT
INDICATOR
TUBE
GRID DRIVE
Q801, 802
SEGMENT DRIVE
Q803
LED DRIVE
Q812
D803
i. LINK
LED DRIVE
Q811
D801
LED DRIVE
Q810
D802
N
X
S803 – 806,
S810 – 814, S830 (2/2)
ROTARY
ENCODER
S830 (1/2)
AMS
>
.
OSC
X801
8MHz
SOO
SIO
SCO
XFBSY
XIFCS
XFRRST
RECT
D451 – 454
–31V REGULATOR
Q451
F1
F2
FL –31V
RECT
D445 – 458
M+12V
MOTOR DRIVER
(IC512) B+
+5V
MOTOR/COIL
DRIVER (IC502)
B+
RECT
D459 – 462
D+5V
A+5V
RECT
D463 – 466
D+3.3V (I-LINK)
D+3.3V
A+3.3V
THP453
THP452
THP450
RECT
D405 – 408
+3.3V
+2.5V
DSO DECODER
(IC801) B+
+5V
+3.3V
+5V
+3.3V
+5V
DIGITAL FILTER,
CURRENT PULSE
DAC (IC101, 201)
B+
DIGITAL FILTER,
CURRENT PULSE
DAC (IC1101, 1201)
B+
DIGITAL FILTER,
CURRENT PULSE
DAC (IC2101, 2201)
B+
+3.3V
DATA SELECT/CLOCK CIRCUIT
B+
D411
RECT
D401, 402
RECT
D403, 404
+12V
HEADPHONE AMP/
AUDIO CIRCUIT
B+
–12V
HEADPHONE AMP/
AUDIO CIRCUIT
B–
LINE FILTER
T491
LINE FILTER
T492
S990
POWER
AC IN
J491
T902
POWER
TRANSFORMER
(FOR DIGITAL)
T901
POWER
TRANSFORMER
(FOR AUDIO)
1
3
I-LINK +1.8V
I-LINK +1.8V
(VREF)
5-7.
BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –