35
– AUDIO Board –
IC309
TC7W74F
IC401, 501
CXA8042AS
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
SWITCHING
CIRCUIT
CONSTANT
CURRENT
CIRCUIT
REFERENCE
VOLTAGE
CIRCUIT
CONTROL
CIRCUIT
I01+
IN2–
IN2+
NC
IN1+
IN1–
NC
C4
C3
GND2
VEE2
VEE1
C6
C5
CIREF
I02–
NC
I01–
I02+
NC
VCC2
C2
C1
VCC1
VREF
VCNT
GND1
RIREF
Summary of Contents for SCD-XB940
Page 5: ...5 SECTION 2 GENERAL This section is extracted from instruction manual ...
Page 6: ...6 ...
Page 7: ...7 ...
Page 10: ...10 TRAY 1 Remove the tray Careful of the claw claw claw ...
Page 17: ...17 17 SCD XB940 4 7 SCHEMATIC DIAGRAM MAIN Board 2 6 Page 16 Page 20 Page 21 Page 18 Page 21 ...
Page 33: ...33 2 IC203 ea EXTAL DISPLAY Board 1 IC201 tk OSCO 4 1 Vp p 484 ns 3 8 Vp p 8 MHz ...