Service manual

SD-EX200
– 12 –
Figure 12 BLOCK DIAGRAM (1/6)
+7.9V
Q84
DIGITAL OUT
CONTROL
LEVEL_CONT
TO 1-BIT AMP./
PROTECT CIRCUIT
SECTION
CNP501
TO DISPLAY SECTION
PROTECT A/D_RESET OFFSET PROTECT TUN_DO TUN_CLK TUN_DI TUN_CE
TO TUNER UNIT
A_GND TUN_CE TUN_DI TUN_CLK TUN_DO TUN_L VCC_9V TUN_R TUN_SM FM_DET A_GND
+9V
DIG_FUNC
R
L
LOUT
A3.3V
ROUT
16MOUT
LRCK
BCK
DATA
L_
C
TUNER
GP351TZ
IC4
DIGITAL OUT
VCONT
REV
FWD
VO5–
VO5+
VO3– VO3+ VO4– VO4+
FD0
TDO
+5V
VDD
VVDD
MUTING
Q82
Q2
+7.9V
LID_SENS
VDD5
CONT5
SLDO
SPDO
TIN2 TIN1 FIN2 FIN1 RVDD XVDD
OUT2
OUT1
VCC
IC2
LA6574H
FOCUS/
TRACKING/
DRIVER
SW4
PICKUP IN
M
M
M801
SLED
MOTOR
M802
SPINDLE
MOTOR
IC1
LC78646E
CD SERVO
+3.3V
SPIN/SLED
REG
IN
IC3
LM358D
OP-AMP.
VCC
DATA
BCK
LRCK
16MOUT
CONT3 CONT2
VCONT
FD0
TD0
VREF
LDD PD ADAVDD LVDD RFVDD
XOUT
XIN
XL1
16.9344 MHz
Q1
LASER DRIVER
+3.3V
M
–
+
Q3
CONSTANT
VOLTAGE
VREF
–
–
+
+
IC101
CS4340KS
DAC IC
FOCUS COIL
TRACKING COIL
PICK UP UNIT
CD_WRQ CD_DRF CD_CE CD_DO
CD_DI
CD_CLK CD RES
CE
CLK
DI
DO
WRQ
RES
DRF
1
65
19
14
11
26
66
37
8
40
43
44
18
3425242322
10
24
9
79
49
3
4
201918
51
12
1
6
45
22
23
20
7
61
76
41
64
39
3
69
234
25436
71
50
27
2
3
67
48
57
68
54
8
26
75
4647
19
5
13
14
2129
60
16
1 7
28
11
22
56
2
1
59
21
80
63
21
11 5
89 11
21
25
28
15
12
9
8
10
70
62
3877
55
282726
58
1
2
43
72
1017
5
M1
CD DOOR
MOTOR
+7.9V