Inhaltsverzeichnis
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Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
Schaltbild / Circuit Diagram
CD
1
TP0
2
TPI
3
TNI
4
FNI
5
FPI
6
LDO
7
MDI
8
RFN
9
RFO
C50
10
RFI
2.2P
R90
11
C49
VREF
22K
0.1
C47
R88
R91
220U
3.9K
4.7K
10V
C48
0.01
R89
2.2K
R86
10K
C55
33P
TP 2
TP 1
VREF
R85
10K
VR2
4.7K
3.7
2.1
4.4
Q11
2SA933S
í
2 - 7
C35
3.3U
50V
R65
FABO
33
6.8K
2.1
FMEP
32
2.1
R51 38K
31
FMEN
2.1
R62 820
IC1
FMEO
30
TA8191F
FMPO
29
2.1
PVR
28
RF AMP
R60 15K
27
FOCUS TRACKING
DMPO
2.1
SLED SPINDLE
26
DMEO
SERVO AMP
2.1
R58 68K
DMEN
25
2.1
DMEP
24
5.0
VCC
23
C41
0.033
R59
47K
R55
R84
C44
180
C43
680
220U
0.01
10V
R56
C42
8.2K
C46
.22U
33U
50V
16V
C45
0.18
C53
0.01
IC4
BA6398FB
Q9
7.7
C8550
5
8.4
GRUNDIG Service
K-RCD 500
Schaltpläne und Platinenabbildungen / Circuit Diagrams and Layout of PCBs
CD-DECKELSCHALTER
CD DOOR SWITCH
CD2
CD1
TO
TO
CON103
C0N104
PAGE 2-9
PAGE 2-9
CN2
Q5
DTA144TS
5
4.1
4.0
41
2 VREF
SEL
42
2.3
FCSI
43
6.8K
FKIC
44
R48 1.5K
45
FEL1
R43 33K
46
FEL2
C28 1000P
2.1
FEI
47
2.1
TESH
48
2.1
TEOF
49
1.2
50
SBAD
1.6
51
REFB
2.1
VREF
52
2.6
RF1
53
C27 0.01
AGND
54
C23 0.1
2.5
DTSC2
55
C25 3300P
56
KFMO
2.5
DTSC1
57
C26 3300P
5.0
AVCC
58
C22
PDCND
59
C220U 10V
2.1
R41
PDO
60
1K
C24
R36 220K
0
61
TMAX
100P
1.8
LPFN
62
R40
10K
4.2
LPFO
63
R39
2.1
R38
VCOF
2.2M
64
33K
C18
0.01
R37
C17
47K
0.01
2.5
2.5
0
8.4V
IC9
UPD6379A
2.5
2.5
0
4.8
í
2 - 8
CD-LAUFWERKSCHLITTEN / CD SLEDGE
KURVENRADSCHALTER
CAM SWITCH
SCHLITTENMOTOR
CD2
CD1
TRAY MOTOR
IC3
0
0.5
0.9
0.3
1
2
3
4
CDRST
24
CLCK
23
SUDO
22
CCNT
21
RST
20
4MCK
19
BUCK
18
CCK
17
IC2
BUS3
16
TC9236F
BUS2
15
BUS1
DATA PROCESSOR
14
BUS0
SERVO PROCESSOR
13
DGND
12
DVCC
11
X0
10
X1
9
SBOK
8
SUBQ
7
SUBSYC
R13
1M
6
PFCK
5
SPDA
C12
C13
X2
4
COFS
39P
39P
16.93
MHz
3
CKOM
2
TEST5
1
R6
TEST4
1K
Q603
2SB1185
12.5
8.4
12
0
Q4
0
DTC124XS
Q602
C458
Q3
DTC124XS
7.7
0
Q601
C458
DC-VOLTAGES MEASURED AGAINST
MINUS TERMINAL (GND) AT 230V AC.
...V = CD PLAYBACK
THE MEASURED VALUES GIVEN IN THE
CIRCUIT DIAGRAM ARE APPROXIMATES.
K-RCD 500
BA6209N
0
0
8.4
8.4
0.9
0.5
5
6
7
8
9
1 0
CN1
SLSW
1
BUCK
2
CCK
3
BUS3
4
BUS2
5
BUS1
6
BUS0
7
CN5
RCH
1
2
3
LCH
CN6
1
2
3
4
5
0.4
GRUNDIG Service
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Inhaltsverzeichnis
