Inhaltsverzeichnis
Werbung
CDP 200
Schaltbild Stromversorgung und Bedienteil
Circuit Diagram Supply and Control
1
2
3
4
SUPPLY/CONTROL PART
A
6V
6251
BAS216
+3.5
7275
BC858
Temperature
control
T875
B
0V
+6
6,7V
6,4V
6250
SB10-05
C
1250
HEC3600
DC IN
T876
7274
BC848
0V
D
6253
+1.2
SB10-05
1,2V
6
T822
E
0,1V
5
ESD
F
Pow-on
3459
Vreg
22R
+A
+A
+3
+3.5
G
+1
+1.2
+S
+S
GND
H
Low supply- voltage
I
shut-off circuit
J
K
L
Supply voltages
Explanation of abbreviations:
+A .....battery or ext. DC
% ......Tolerance of resistor is only 2%
+S .....switched +A
+uP ....3.5V (switched by low supply voltage
DC VOLTAGES MEASURED IN
shut-off circuit)
PLAY MODE - 1kHz 0dB LEVEL
+3.5 ...stabilized voltage of DC/DC converter
(SUPPLIED BY MAINS ADAPTOR)
M
+1.2 ...Referenze-voltage (only if power on)
V
EVM
+6 .....ext. DC
N
Ext.DC
6-7V
1
2
3
4
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
5
6
7
8
9
1
2
3
4
5
6
PIN
3281
T878
7280
COM1
COM1 --
--
--
--
X10
47k
BC858
5,5V
COM2
--
COM2
--
--
X2,X4,X8
X1,X7
0,2V
COM3
--
--
COM3
--
X6
X3,X5,X9
3283
T879
7282
COM4
47k
--
--
--
COM4
--
X11
BC858
0,2V
0,2V
3285
T880
7284
47k
BC858
0,2V
0V
+A
T881
6,4V
1,2V
2270
T877
1u
0V
7271
2SD1623T
3272
100k
0V
2271
Charge
33n
circuit
7
7460
4
2272
LM2903
100n
3,8V
3,7V
+uP
7451
BC858
3,1V
7401
3,7V
1
3
3,7V
Vref
6400
7452
2
0,4V
0,4V
0V
PST574J
BC848
0,6V
BAV70
0V
T831
Reset
SD
ExtDC-On
3,5V
3,7V
Reset-circuit
BAV70
6401
3,5V
1410
PLAY
+uP
Battery
Supply: +A
Supply: +uP
5
6
7
8
9
CDP 200
10
11
12
13
14
1400
LCD AZ6848
7
8
9
10
11
12
13
14
15
16
17
18
19
1f
1a
2f
2a
3f
3a
4f
4a
5f
5a
6f
6a
CAR
a
1g
1b
2g
2b
3g
3b
4g
4b
5g
5b
6g
6b
JAZZ
f
b
g
1e
1c
2e
2c
3e
3c
4e
4c
5e
5c
6e
6c
ROCK
e
c
1
d
1d
SHUF
2d
RESUME
3d
PROGR
4d
COL
5d REPEAT 6d
X12
X13
1
2
3
4
5
6
Batterylevel-detection
+S
6,4V
+3.5
+3.5
2400
32.76kHz
3,6V
22p
+1.2
2401
2
8
1,2V
LM2903
1
22p
8
5
3,5V
2,1V
3
5400
7460
LM2903
3465
CSTC4.0MG
330k
1
4
Batt-lev
3,5V
Batt-ls1
0V
3408
SILD
100
3464
SICL
100
Reset
3851
SIDA
100
3400
SLD
100
During communication
3.8V
3407
RA
100
TB 10ms
Door
Play
+3.5
+3.5
1411
1412
1416
STOP
PREV
DSC
1417
SSSS2-12-12
1415
1413
1414
STORE
NEXT
MODE
1
Resume/Hold
SSSS2-13-12
4
SD
hold-resume-off
10
11
12
13
14
2 - 9
GRUNDIG Service
Schaltpläne und Druckplattenabbildungen / Circuit Diagrams and Layout of PCBs
15
16
17
18
19
SERVICE TEST
RESUME
SHUFFLE
COM 3
3.8V
PROGRAM
REPEAT
CAR
TB 5ms/Div
JAZZ
ROCK
Pin 6
2
3
4
5
6
3.8V
7
8
9
10
11
12
13
14
15
16
17
18
19
TB 5ms/Div
T870
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
1
64
LCD - DRIVER
2
63
3
62
4
7400
61
5
60
ATSB
3,6V
ROM
6
59
Mute
3,3V
7
TMP87CH20F
58
DBB-Max
0V
RAM
8
57
Defeat
3,6V
9
56
AMB
VLC
16 BIT
10
55
DSC1
TIMER/COUNTER
11
54
DSC2
12
53
DBB-Off
3,7V
0V
WATCHDOG
RESET
13
TIMER
52
TEST
3416
+uP
14
CLOCK
51
4MB
22k
15
50
VSS
16
49
3402
17
48
SDA
100
3401
18
47
SCL
100
19
46
0V
20
45
3,7V
21
44
3,5V
22
43
0V
23
42
3,7V
0V
24
41
PoRes
I/O PORT P0
VDD
I/O PORT P1
0V
3,7V
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
3,7V
3,6V
0V
3,6V
0V
3,7V
0V
3,6V
0V
0V
0V
3,7V
13
+uP
Wired remote control circuit
3494
1k
+uP
+uP
+3.5
ASS
3,7V
2490
7940
BC858
1n5
3,1V
2
3
3,7V
+uP
+3.5
1418
SD
3
2
1
15
16
17
18
19
20
21
1250 C 2
1400 A14
1410 J 9
1411 K11
1412 K12
1413 L12
A
1414 L13
1415 L11
1416 K13
1417 L15
1418 M15
SIDA
1430 H 9
2270 D 6
SICL
2271 D 5
2272 E 6
SILD
2400 D14
2401 E14
RA
2402 J16
B
2403 G 8
PoRes
2404 G 6
2450 G 4
SDA
2451 H 5
2490 L18
SCL
3256 B 2
3258 B 2
3270 A 5
OTD
3271 B 4
3272 D 5
SSD
3273 E 4
C
3274 E 4
RSB
3275 C 5
3277 E 4
S-NSF
3278 C 4
3279 E 6
ATSB
3280 A 6
3281 A 6
Mute
3282 A 6
3283 B 6
DBB-Max
3284 B 6
D
3285 B 6
3288 A 4
Defeat
3289 B 5
3290 E 6
AMB
3400 G15
3401 F19
DSC1
3402 F19
3403 G 8
DSC2
3404 G 9
3405 G 9
DBB-Off
3407 G15
E
RC
3408 F15
RC
3411 J13
3412 J11
3413 M16
3414 L16
3415 M16
3416 E19
3447 L 10
3451 H 4
3452 H 4
3453 G 5
F
3454 F 5
3455 H 5
3456 G 5
3457 H 6
3458 H 6
3459 F 3
3461 E11
3462 E11
3463 E11
3464 F15
G
3465 E12
3466 E13
3467 E11
3480 C 4
3490 L19
PoRes
3491 L18
PoRes
3492 L20
3493 L19
OTD
3494 K18
OTD
3851 F15
5400 E15
SDA
H
5401 E15
SDA
6250 C 2
SCL
6251 A 2
SCL
6253 D 2
6400 G 9
SLD
6401 I 9
SLD
7271 D 6
7274 C 5
7275 B 4
7280 A 6
7282 B 6
I
7284 B 6
7400 C16
7401 G 7
7451 F 6
7452 G 6
7460 E12
7460 E 5
7940 L20
T822 E 2
T831 H 9
J
T870 B17
T873 K 2
T875 B 2
T876 C 2
T877 D 6
T878 A 7
T879 B 7
T880 B 7
T881 C 6
K
L
M
N
20
21
2 - 10
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Inhaltsverzeichnis
