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K-CDP 66
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
PVCC
20
1
AVDD
LASER HEAD BOARD
CN101
1
2
3
4
5
6
7
8
9
10
11
12
13
TRACKING
COIL
14
15
FOCUS COIL
Do not re-adjust the preset control
RF-
RFO
RFI
Vcc
PLH
24
23
22
21
20
_
BD
25
_
DET BLOCK
+
+
PS PL
AC
26
_
+
+
FEB
27
+
+
FEC
28
FOK
HOLD BLOCK
VBO
29
+
LOOP ON
_
+
VBI
30
0.2 V
EO
31
_
_
+
+
+
_
E
32
1
2
3
4
5
F
FO
AGND
DGND
FI
POUT 1
PGND
POUT 2
BBSW
LP
V
IN 4
19
18
17
16
15
14
2
4
5
6
7
3
V
PRE GND
V
LOUT 2
LOUT 1
MUTEOUT
IN 1
IN 2
33
32
31
30
29
34
AMUTE
35
EMP
B T L
B T L
36
HVCC
PD2
PD1
PSW
37
MAXIMUM
E
DETECTOR
PD
CLK
38
CLK
VR
GND
39
START
+
-
LD
VCC
40
OFF
VC
F
CHGVCC
41
TSD
A/L
T-
SEL
42
T+
F+
F-
43
PREGND
+
+
-
44
PWMFIL
1
2
3
4
5
BLH
DGND
ASY
19
18
17
+
16
EFM
BL BS
15
MIRR
+
14
DEF
+
+
_
13
EF
IC101
SCRATCH
BA7377K
CONTROL
12
FOK
RAMP
FOCUS
11
FON
OSC
SWITCH
10
TE
MUTE
_
9
SC
+
6
7
8
LD
PD
R/H
V
MUTE t
BIAS
IN 3
13
12
11
IC301
BA3579FS
BA3579FS
8
9
10
PWSWt
PWSW
MUTE
IC401
BA5901K
28
27
26
25
24
23
Brake1
22
IN1
21
MUTE2
B T L
B T L
20
IN2
TSD
+
19
MUTE34
+
18
IN4
+
17
IN3
BA5901K
+
16
VREF
TRIANGLE
15
WAVE
VSYS2
Over-voitzer
14
OP +
+
-
+
13
OP OUT
+
-
12
VSYS 1
+
-
6
7
8
9
10
11
5
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