+3.5V DC/DC Converter Voltage Doubler
Voltage Doubler (4X)
CDM12.3
BLC
DISC DRIVE
Supply: +S, +1,2Supply: +3,5, +VG
Focus
Track
Slide-
Disc-
motor
motor
Inner-
switch
FROM/TO
SUPPLY/CONTROL PART
FROM/TO
SIGNAL PROCESSING PART
FROM
AUDIO PART
+
14
8
71
A
B C
DEF
PC74HCU04N
A
B
C
D
E
F
Track+
Track+
Focus-
Focus-
Sldm+
Sldm+
Sldm-
Sldm-
DM-
DM-
DM+
DM+
Track-
Track-
Focus+
Focus+
LQHN4
LQHN4D73F
D73F
COMP
SERVODRIVER PART
7950 C 7
7922 G 3
7921 F 4
7920 H 3
6952 H10
6951 I 3
5953 E12
5952 E12
5951 E 7
5950 E 7
5921 F 4
5920 E 3
3951 B 8
3950 B 8
3934 I 8
3933 H 8
3932 G 7
3931 G 7
3930 G 7
3927 H 6
3926 G 6
3925 F 3
3924 G 2
3923 H 2
3922 G 2
3910 G 3
3405 C14
2963 H 8
2962 H11
2961 H11
2960 H10
2959 H10
2958 H 4
2957 H 9
2955 E12
2954 E12
2953 E 7
2952 E 7
2951 F12
2935 F 7
2931 I 8
2930 H 7
2927 H 6
2926 F 5
2925 G 3
2924 F 3
2923 H 2
2922 H 3
2921 E 2
2920 E 2
2822 B10
2816 B10
2465 H 9
1950 C14
4 51 6 7 8 9 10 11 12 13 14 152 3
F
E
D
I
C
B
A
H
G
F
E
D
I
C
B
A
H
G
4 51 6 7 8 9 10 11 12 13 14 152 3
SD
3934
470
3933
1M
3926
1M
3927
1M
3923
1k5%
3922
8k2%
3924
56k
3925
10R
3930
1k
3931
56k
3932
6k8
3405
22k
3910
680R
3950
10k
3951
3k9
+1.2
+S
+3.5
+LF +LF
+A
+1.2
+S
+3.5
+A
+LF
+A
+A
+1.2
+S
+3.5
+VG
+VG
+3.5
+3.5
+1.8
4u7
2963
2u2
2465
4u7
2953
4u7
2952
4u7
2962
2u2
2957
4u7
2955
4u7
2954
2921
100u
2926
1u
2923
100u
15n
2822
15n
2816
2931
1n
1n
2961
150n
2935
2925
100p
2920
100n
1n
2927
2922
100n
2924
22n
100n
2958
2930
100n
2960
100n
100n
2959
150n
2951
POWER
DR_REF
SLIDE_IN
INNERSW
TRACK_IN
DM_IN
FOCUS_IN
7922
2SD1623T
6952
BAT54
BAT54S6951
4 312 13
10 11
7921
74HCU04
8 9
2 16 5
7950
MPC1718
20 22
11
3
5
31
29
1
8
33
26
2
44
7
9
32
34
27
25
13 14
43 35
6 28
12 17
23
39
2119
3842 41 3637
1815
40
16
4 30
10 24
DC/DC-Con.
saw
PWM
Oscillator
Sawtooth
driver
driver
Pre-
Pre-
VG
VG
Vreg
POWER CONTROL
Vin
Oscillator
Clock
CL
Cosc
saw
Gnd3,4
DCout4
Hout3B
DCout3
Hout3A
Hout4A
Sync
Hin3
Hin4
Hout1B
Vout
Hin1
Deadtime-
control
DCout1
Hout1A
Hout2B
Hout4B
DCout2
Hout2A
Hin2
Vin
CL
CL
CL
Vc
Vc
saw
saw
motor-
driver 1
H-Bridge-
driver 2
motor-
H-Bridge-
saw
VLG
VLG
Vin
Vin
Lim1,3
Lim2,4
VG
VG
Vc
H-Bridge motor driver 3
FOR_CPU
switch
Power
VLG
REG.
VREF
Vin
Vin
Abs.-
Amp.
Lim2,4
VG
CL
Charge-
pump
driver
Cg
saw
CL
VG
Lim1,3
Vin
VLG
driver 4
motor-
H-Bridge-
Vc
Vin
Gnd1,2
VLG
Vinp4
Vinp3
Lim2,4
Feedback out
INM
Lim1,3
INP
VBias
Vinp1
Vd
Vinp2
S.Gnd
Vc
S.Gnd
PWM-SERVODRIVER
4-STAGE
100u
5953
33u
5952
33u
5951
100u
5950
330u
5921
20u
5920
5CA
7920
2SK1717
FM-B
1950
1
2
3
4
5
6
7
8
9
10
MM
Supply voltages
Explanation of abbreviations:
Explanation of itemnumber extentions:
+A.......Battery or ext. DC
+S.......Switched +A
+3.5....Stabilized voltage of DC/DC converter
+1.2....Reference-voltage (only if power on)
+5 .......Ext. DC
X .......Components only forseen (not in use)
% .......Tolerance of resistor is only 1%
D ............................................wired remote control
A ................................................... recharge circuit
J ................................................................Line out
F ...........................................................IR - sensor
AZ7261,AZ7262,AZ7266,AZ7267,AZ7268 ..........A
AZ7263 ....................................................... A+F+J
AZ7264 ........................................................... A+D
This circuit diagram shows a summary of all
possible versions. For components used in
specific versions see table below.
0.7V
0.6V
0.6V
1.2V
0.7V
5
7
6
8
9
0.8V
4.5V
3.0V
200kHz 11.9V
3.5V 4.5V
5.2V
3.2V
5.2V
8.0V
200kHz
11.9V
200kHz
13.8V
3.5V
DC voltage measured in
PLAY-mode, DBB=off.
Set supplied via mains adapter
EVM
V
3V
0
-3V
2,5V
0
-2,5V
during focus search
TB=0.1s
6
9
7
8
servo in or disc motor cw
not moving
servo out or disc motor ccw
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