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THARUS 38 – LCD 38-9210 TOP
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
GRUNDIG Service
3 - 15
L+
R-
L-
L
R
R
+
EXT_MUTE
MAIN_L
MAIN_R
8Vcc
C251
100nF
R259
330
R254
10K
+
C254
47uF/16V
R253
10K
R
R
L
L
G
JA301
PMJ014
2
5
1
3
6
4
7
R260
1K
+
C253
1uF/50V
+
C252
220uF/16V(DIP)
IC251
TDA8542AT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
GND
RGND
OUTR +
MODE
SVR
BTL/SE
N.C
OUTL +
LGND
GND
GND
VccR
OUTL -
INL -
INL +
INR +
INR -
OUTR -
VccL
GND
CN25M
WAFER(4P)
2
1
3
4
R258
330
R251
200K
R261
1K
+
C257
10uF/16V
R256
200K
R252
100K
R255
22K
+
C256
10uF/16V
L251
BEAD
R257
100K
Q251
BC848
1
3
2
+
C255
1uF/50V
M10
05142002
M9
M2
43
43
42
3.6V
3.6V
3.6V
3.6V
3.6V
3.6V
3.6V
0V
3.9V
3.3V
2.6V
1.9V
1.2V
0V
VOL -
MENU
POWER
CH +
SELC
CH -
VOL +
SW07
JTP1280A
SW03
JTP1280A
CN03C
Harness 3Pin
1
2
3
KEY_IN
GND
POWER
RC05
620
SW05
JTP1280A
SW02
JTP1280A
SW04
JTP1280A
RC07
390
RC04
1.3k
RC06
390
RC03
2.2k
SW06
JTP1280A
SW01
JTP1280A
KB
05142002
T
O
MAIN BO
ARD
M2
Hauptplatte – Audio-Endstufe / Main Board – Audio Amplifier
(M10)
Reference
Block Diagrams ....... 3-1
Oscillograms ......... 3-19
Converter (C) .......... 3-18
Keyboard (KB) ........ 3-15
LED Board (LED) .... 3-16
Main Board ............... 3-3
– M1 .......................... 3-6
– M2 .......................... 3-7
– M3 .......................... 3-8
– M4 .......................... 3-9
– M5 ........................ 3-10
– M6 ........................ 3-11
– M7 ........................ 3-12
– M8 ........................ 3-13
– M9 ........................ 3-14
– M10 ...................... 3-15
Tuner Board (TU) .... 3-16
Keyboard
(KB)
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