Inhaltsverzeichnis
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GRUNDIG Service
Hauptteil / Main Part
Verstärkerplatte, Anschlussplatte, Kanal-Wahlplatte, LED-Platten, Sicherungsplatte
Amplifier Board, Connect Board, CH Select Board, LED Boards, Fuse Board
Receive module
2p/2.5mm
CN204A
CN204
2p/2.5mm
1
1
ch1
2
ch2
2
3
3
ch3
4
4
CH. Select
3P/2MM WF
CN405
1
2
C240
C235
3
1u
4
1u
Q216
9014C
C230
47u
4
5
Oscillator &
Osc
Ramp Generator
Buffers
Audio A
1
Audio B
8
Internal 5V5
V
CC
13
Internal 9V
14
12
CN203A
CN203
R228
8V5
18K
R225
R254
100K
R276
8K2
22K
R278
Q215
9014C
4K7
R282
R279
220K
Q214
9014C
C252
0.1u
3
6 7
2
ZXCD1000
PWM
Comp A
Pre-
O/P
Driver
Driver
Pre-
O/P
Driver
Driver
PWM
Comp B
16
9
10P/2mm WF
CN201B
10
9
8
7
6
5
DATA
4
3
2
1
4~12V
TO Key PCB
4K7
R216
C227
1n
R219
47K
47P
C231
47
1n
C253
R283
680
Q213
9014C
R218
4K7
9014C
Q212
Out A
15
Out B
10
11
X'Bass
Mute
SYS on
16V
P508
back-light sw
PAD
CLK
STB
Gnd
C503
100n
Connect Board
Reflector light(blue)
2 -
C226
IC202A
100u/16V
NJM4560(O/AMP)
3
1
2
R213
47K
R220
R215
22K
47K
6
7
5
IC202B
NJM4560(O/AMP)
+
R234
***
C243
***
IC203
TA9260
C247
100n
C246
220u
R238
C249 1n8
12K
CN201
9P/2mm WF
CN201A
9P/2mm L=350mm
0.5ohm/1W
R501
P506
PAD
P507
P505
P503
P504
PSW 5000
12V
VR201
R274
200K(B)
1
3
82K
C219
R211
390
C22
22u/16V
C221 6n8
47n
R209
1K5
C225 330P
C222
6n8
C22
47n
C220
R212
390
22u/16V
16V
C244
***
R242
6K8
R240
12V
27K
C501
4u7/NP
C502
4u7/NP
L2
3T
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