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Platinenabbildungen und Schaltpl
ä
ne / Layout of PCBs and Circuit Diagrams
THARUS 38
–
LCD 38-9210 TOP
3 - 6
GRUNDIG Service
POWER
CONNECTOR
(DC 12V)
OFF
ON
POWER
Vin
12Vcc
Vin
5Vcc
8Vcc
12Vcc
3.3Vcc
5VA
C814
100nF
+
C809
220uF/16V(DIP)
C802
100nF
IC805
KIA7808AF
1
2
3
IN
G
OUT
L804
47uH/SMD
+
C817
47uF/16V
R802 22K
+
C813
220uF/16V(DIP)
C804
100nF
D801
MBRS340
2
1
+
C801
220uF/16V(DIP)
IC803
1
2
3
4
5
IN
OUT
GND
F/B
ON/OFF
+
C806
220uF/16V(DIP)
IC801
KIA78DL05F
1
2
3
IN
G
OUT
+
C807
220uF/16V(DIP)
IC802
FDS4435C
1
2
3
4
5
6
7
8
S
S
S
GD
D
D
D
JA801
PDJ005
1
2
3
L801
BEAD
C805
100nF
C816
100nF
L802 BEAD
L803
BEAD
F801
R251 010
C818
100nF
+
C811
220uF/16 V(DIP)
+
C815
220uF/16V(DIP)
+
C803
47uF/16V
Q801
BC848
1
3
2
C812
100nF
C810
100nF
R801
10K
C808
100nF
+
C819
47uF/16V
C820
100nF
IC804
RC1587M33
3
1
2
IN
G
OUT
M1
05152002
SI-8050SD
M2
48
Hauptplatte
–
Netzteil / Main Board
–
Power Supply
(M1)
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