Inhaltsverzeichnis
Werbung
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
CD
NOT
CONNECTED
VCC 4.3V
3.8V
3.8V
GND
3.8V
3.8V
4.3V
7.7V
0V
0V
0V
0V
0V
4.9V
5V
0V
0V
GLEICHSPANNUNGEN BEI "PLAY" GEGEN MASSE (GND) GEMESSEN.
DC-VOLTAGES MEASURED AGAINST MINUS TERMINAL (GND) ON "PLAY".
3 - 7
RR 710 CD / RR 750 CD
GNDA1
VCDF
1
64
RO
LPFO
2
63
R-O
LPFN
3
62
VDA
TMAX
4
61
L-0
PDO
5
60
LO
PDCNT
6
59
GNDA2
VDDA
7
58
TEST3
DTSC1
8
57
TEST4
MONIT
9
56
TEST5
DTSC2
10
55
IC103
SBCK
GNDA3
11
54
VDD
TC9284BF
RFI
12
53
GNDD1
VREF
13
52
BUS0
RFRP
14
51
BUS1
SBAD
15
50
BUS2
TEOF
16
49
BUS3
TESH
17
48
CCE
FEI
18
47
BUCK
FEL1
19
46
PFCK
FEL2
20
45
RST
FKIC
21
44
SUBSYC
FCSI
22
43
SUBD
SEL
23
42
CLCK
2VREF
24
41
8V
5V
7.4V
VOLTAGES IC102 TC9284BF
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
V
0
2.8 3.0 5.0 3.0 2.8
0
-
-
-
-
5.0
0
4.1 4.0 4.0 4.0 3.5 4.4 2.3 5.0
PIN
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
V
5.0
0
-
2.1 2.1 2.1
-
2.1 1.7 2.1
-
1.8
-
2.1 2.1 2.4
PIN
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
V
4.2 5.0 2.5 2.5 2.1 2.1 2.1 2.1 2.1 2.3 2.6 2.6 2.1
0
2.4 5.0
0
0
0
PIN
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
V
0
5.0
0
0
1.6 2.5 2.5 2.5 2.5
0
2.4 5.0 5.0
-
2.2
0
VOLTAGES IC104 KA9258D
PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V
3.8 3.7 2.1 2.1 7.4
0
0
0
2.1 2.1 4.2 3.2
0
7.6
PIN
15
16
17
18
19
20
21
22
23
24
25
26
27
28
V
-
-
3.7 3.7
-
2.1 8.0 8.0 2.1 2.1
-
3.7 3.7
0
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
1
RFO
2.0V
2
RFI
2.1V
3
VRO
2.1V
4
ZVRO
4.2V
5
RFRP
2.6V
6
SBAD
0V
7
DFIN
0V
8
FEP
2.1V
9
FEN
2.1V
10
FEO
2.1V
11
FEI
2.1V
12
FHLD
2.0V
13
FEL1
2.1V
14
FEL
2.1V
20
21
22
23
24
CD MOTOR BOARD
0
0
0
+
DREHTELLERMOTOR
TURN TABLE MOTOR
60
61
62
63
64
-
2.1 2.1 2.1 2.0 1.3
+
SCHLITTENMOTOR
SLED MOTOR
-
INNEN-SCHALTER
3 - 8
4.4V
2V
3.8V
38
TSN
2.1V
37
TEL2
2.1V
36
TEL1
2.1V
35
TSO
2.1V
34
TS1P
2.1V
33
TS1N
IC103
32
TS2P
TA2065BF
2.1V
31
TS2N
2.1V
30
TS2O
2.1V
29
THLD
28
FMSP
2.1V
27
FMSN
2.1V
26
FMSO
2.1V
25
DF
2.1V
2
CT
LASER HEAD BOARD
S
LD
SP+
GND
SP-
PD
SL+
TO
VR
SL-
TO
CN108
FCS-
CN109
L.SW
TRK-
L.SW
TRK+
INNER SWITCH
FCS+
RR 710 CD / RR 750 CD
TO
LASER
HEAD
BOARD
TO
CD MOTOR
BOARD
TO
LASER
HEAD
BOARD
D
C
B
A
TO
GND
CN107
K
E
F
GRUNDIG Service
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