Inhaltsverzeichnis
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CD 23
Stromversorgung und Schalterplatte / Power Supply and Switch Board
1
2
3
6543
1506
-
1
A
1N4002
5.6V~
1506 2
-
B
3540
1N4002
7540
C
6540
MC79L15
-33V
26.5V~
1506
-
3
2
3
1
-6.8V
2540
6541
220u/50V
6V8
D
10.2V~
1506
-
4
1506
-
5
0V
10.2V~
1506
-
6
E
6560
1N4002
13V
F
2560
330u/16V
G
1530
1
2
3
Schalter-Platte / Switch Board
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
4
5
6
7
7542
3545
BC338
-15.5V
-16V
4R7
7541
2542
BC547B
1000u/10V
+5
1N4148
6542
7543
BC557B
1N4148
3542
6544
2K7
3541
2541
100n
2537
2534
6535
6536
22n
22n
1N4002
1N4002
1
2539
6538
6537
2533
2536
22n
22n
1N4002
1N4002
3300u/16V
6561
1N4002
2538
3560
2200u/16V
7650
3.9V
BC557B
3562
4k7
KILLI
6562
3V9
3563
KILL
4
5
6
7
Abkürzungen / Abbreviations
BCK
Bit clock input of CC-DAC TDA1549
CFLG
correction flag output
CL
interface clock input line
CL11
11.2896MHz clock line
CL16
16.9344MHz system clock output
CLA
4.2336MHz microprocessor clock output
CLO
clock output
CRIN
crystal/resonator input
CROUT
crystal/resonator output
D1-D4
Central diode input of TDA1301
D1-D5
Photodiode signals from CDM-12
DA
interface data I/O line
DACCL
Bit clock output of CD6 decoder SAA7345
DACDA
Data output of CD6 decoder SAA7345
DACWS
Word select output of CD6 decoder SAA7345
DATA
serial data output / Data input of CC-DAC TDA1549
DOBM
biphase mark output
FO
Focus actuator output
CD 23
8
9
Bauteil X Y
Component
1076
1076
1076
1076
-
1
-17V
+VKK
1506
A
1506
1506
1506
1506
1506
1507
1507
1076
-
2
-20V
1507
-VKK
1507
1508
+5
B
1508
1508
1508
1510
3544
1511
1530
3543
2533
4k7
DISEN
2534
2535
2536
2537
C
2538
2539
1076
-
3
VFTD
-22V
2540
2541
2542
2560
3540
3541
3542
3543
D
3544
+10V
+10
3545
3560
7535
3562
MC7805CT
3563
3564
3
+5V
+5
3565
6535
2535
6536
2
100n
6537
6538
E
6540
6541
6542
-10V
6543
-10
6544
6560
6561
6562
7535
7540
F
7541
7542
7543
7650
G
8
9
FOC+
+Connection of focus actuator
FOC-
Ground connection of focus actuator
HF
High frequency signal of decoder input
HFIN
comparator signal input
HFREF
comparator common-mode input
IOL
Left channel current output
IOR
Right channel current output
IREF
Reference current output
ISLICE
current feedback from data slicer
LDON
Laser drive on
MISC
general purpose DAC output
MOTO1
motor output 1
MOTO2
motor output 2
NRST
Reset input
OTD
Off track detector
PORE
Power-On reset enable input (active low)
R1-R2
Satallite diode signal input
RA
Radial actuator output
2 - 5
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
Kopfhörer-Platte / Headphone Board
Bauteil X Y
1
Component
A 9
1005
A
1
-10
1005 2
-
C 9
1005
B
1
B 9
1005
B
1
E 2
1005
C 1
A
5
E 1
1005
C 1
2370
D 2
1006
C 3
6
C 2
1006
D 3
22n
B 2
1371
B
3
A 2
2370
A
1
+10
1005 1
-
F
1
2371
B
3
F
2
2372
C 3
F
2
2373
D 3
HPL
1005 5
-
F
3
3370
B
1
E 1
3370
C 1
B
E 2
3371
B
2
E 2
3372
C 2
3370
E 3
3373
B
2
3371
F
2
3374
C 2
F
2
3375
B
2
G 2
3386
C 2
GND
1005 4
-
E 6
7370
A
2
D 6
7370
D 2
E 8
3372
E 7
3370
D 5
C
F
5
E 5
D 2
HPR
1005 3
-
D 4
A 4
F
3
B 3
2
C 5
C 6
C 7
3
D
B 8
A 5
F
4
CONN 1005 FROM CONN 1301 ON DAC CIRCUIT
F
5
G 5
F
1
1
F
3
D 5
D 6
E 6
E 5
C 2
D 3
B 4
A 2
C 4
E 3
E 4
F
4
D 7
C 3
A 5
A 5
B 7
F
4
cd48/ f r 1panel - p3- 970502- 1
3375
7370
RAB
interface R/W and acknowledge input
RAD+
+Connection of radial actuator
RAD-
Ground connection of radial actuator
SCLK
serial bit clock output
SICL
Serial interface clock
SIDA
Serial interface data
SILD
Serial interface load
SL OUT
+Connection of sledge motor
SL
Sledge output
TEST1
test input
TEST2
test input
TS1-TS2
Test inputs
V1-5
Versatile input pins
WCLK
Word clock output
WS
Word select input of CC-DAC TDA1549
XTLI
Oscillator input
XTLO
Oscillator output
XTLR
Oscillator reference
2
3
7370
4
NJM4560
(B)
A
7
8
3373
3375
15k
120R
B
2371
1371
1n
L
2372
R
1n
C
3374
3386
15k
120R
1006 1
-
7370
1006 2
-
1
NJM4560
(A)
2373
D
1n
2
3
3372
3
2372
3386
6
3374
3370
9213
3139 113 33623
2 - 6
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