Schematic Diagram - Cd Board - Sony ICF-CDK70 Service Manual

6-2.

SCHEMATIC DIAGRAM - CD Board -

Q701
2SA1235TP-1EF
AUTOMATIC
POWER
CONTROL
CNP701
16P
VC
VDD
E
D
A
B
C
F
GND
LD
VR
PD
F+
T+
T-
F-
SL+
M702
SL-
(SLED)
SP-
M701
SP+
(SPINDLE)
S701
(LIMIT)
ICF-CDK70
• See page 30 for Waveforms. • See page 30 for IC Block Diagrams.
R714
4.7
C704
C774 R715 R713
100
1 100k 4.7
10V
C703
1
R774 22k
R775 10k
C767
0.0022
FB703
0
R701 22k R773 10k
R702 10k
C706
100
R703 22k R704 22k
10V
R706 10k R705 10k
C707
R707 22k R708 10k
100
10V
R710 22k R709 22k R776 10k
R777 10k C768 C708 0.1
0.001
R778 47k
R711
100
C705 1
F+
T+
T-
R718 R719
47k 47k
C712 220p
F-
R716 470k
C713 0.01
C710 C711
100p 22p
R720 0
R721 1k
C714 0.1
SL-
SL+
Q702,703
FOCUS GAIN UP SWITCH
R736
2.2k
R727
R737 220
2.2k
SP+
SP-
R723
47k
C724
1 C718
1
Q702
Q703
2SC3052EF
2SC3052EF-T1-LEF
-T1-LEF
R726
4.7k
C719
1
R768 C723
220 1
R762 Q704
22k 2SC3052EF-T1-LEF
FOCUS GAIN
C761
C760 D702 R761 CONTROL SWITCH
100
10 MA111-TX 1k
10V
C754 R758 C751
220p 10k 0.0022
C702
C753 R757
100
100p 47k
10V
C750
C769
47p C741 JC702
10
C701 1 0
50V
0.1
R750
C757 C756 C749
R749
47p 22p 100p
TP
C755 R756
(RF) 1 22k
C758 R760
0.047 1k
TP
(VC)
AVDD1 DGND
AC XO
BD XI
VBIAS DVDD
E XPLCK
CD DSP
F MUTE
IC701
BU9532KS2
PKC MONI0
FEN BUSY
FEO RESETX
BTC R/W
PD DOUT
LD DIN
ASY MCK
R738
100
R722 C717 JC701
220 0.22 0
C722
0.1
C716
4.7
50V
R724 R728 R769
100k 22k 10k
R725
47k
R732 R730 R731
2.2k 100k 2.2k
R729
22k
R733 22k
C720 0.22
R734
47k
C721 R735
10 4.7k
50V
19 19
R754 R753
47k 47k
R755 C748
47k 1
C743
0.001
C739
100 C742
10V 0.0022
470 R752 470 C746 0.0022
470 C745 0.001 R751 470 C747 0.0022
C740 0.1 C744 0.0022 FB704
C772
1
X701
16.9344MHz
R747 470
R748 470k
C770 0.01
C734
R746 22k
0.01
R745 0
R744 100 C732 0.001
R743 2.2k C731 0.01 D701
C729 100p R742 100
R741 100 C728 22p
C727 22p R740 100
C726 22p R739 100
C725
0.001
R767
470
COIL/MOTOR
DRIVE
IC702
BA5826SFP-E2
R764 R763
2.2k 2.2k
ICF-CDK70
FB702 FB701
0 0
C733 C738
R771
100 470
220k
10V 10V
MA111-TX
CNP702
14P
AVDD(3.3V)
L-OUT
D-GND
R-OUT
RESET-X
D-IN
RW
MCK
SUBSYQ
(Page
D-OUT
22)
BUSY
R770
1k
LIM
VM(6V)
M-GND
C762 C763 C764 C771
0.1 1 220 1
10V
R765
1k