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THARUS 38
–
LCD 38-9210 TOP
Platinenabbildungen und Schaltpl
ä
ne / Layout of PCBs and Circuit Diagrams
GRUNDIG Service
3 - 7
OPTION
BUS_STOP
BUS_STOP
KEY_IN
KEY_IN
SDA
BLON
MX_RESET
SCART_ID
EXT_MUTE
DSUB_ID
Vsync
POWER
BL_BRI
DDC_SDA
TX
BUFEN
AV_RESET
RX
SDA
MXCS
TX
MXSDA
SCL
PANEL _POWER
MXSCL
Hsync
DDC_SCL
SCL
RX
5VM
5VM
5VA
5VM
5VM
5VA
5VM
5VM
5VM
5VM
IC002
24C16(DIP)
5
6
7
8
1
2
3
4
SDA
SCL
WP
VCC
A0
A1
A2
GND
IC003
KIA7042
1
2
3
IN
G
OUT
R014
1K
CN01M
WAFER(5P)
2
1
3
4
5
TP003
TP001
Q002
BC848
1
3
2
C008
33pF
TP002
+
C003
10uF/16V
R001 1K
R006
15K
R012
47K
R009
22K
TP004
R023
220
X001
12Mhz
R022
220
C001
1nF
R005
100
C004
1nF
+
C010
10uF/16V
R024
4.7K
R013 1K
TP005
C007
33pF
CN002
POST-HEADER(5P)
2
1
3
4
5
R025
1K
R008
100
R016 100
TP007
R003
2.7K
R017
100
R002
2.7K
CN03M
WAFER(3P)
2
1
3
R007 10K
R010
47K
C002
100nF
IC001
33
34
35
36
37
38
39
40
41
42
19
1
20
17
2
3
21
18
22
23
24
25
26
27
28
29
30
31
32
4
5
6
7
8
9
10
11
12
13
14
15
16
GND
VCC
KEY-IN
5V DET
RGB ID
PC SEL
A_RESET
SCL
SDA
BLON
POWER
IR IN
EXT_MUTE
DDC-SCL
LED-G
LED-R
BL_BRI
RESET
MX SCL
MX SDA
MX ENA
MX RST
BUF ENA
N.C
N.C
N.C
Vsync
Hsync
N.C
SCART ID
D-SUB ID
BUS STOP
PWR_KEY
RGB SW
TXD
RXD
VCC
GND
XTAL
XTAL
TEST
DDC-SDA
R004
10K
R020
4.7K
R021
4.7K
+
C005
10uF/16V
R019
1K
R018 1K
C009
100nF
R015
1.3K
L001
10uH
C006
100nF
TP006
R011
47K
Q001
BC848
1
3
2
M2
05142002
S3P863A
TO LED BOARD
LED
TO KEYBOARD
KB
M5
M3
M2, M3, M4,
M5, M9
M2, M3, M4,
M5, M9
M8
M6
M3, M6
M8
M4, M9
M8
M1
M10
M8
M3
11
10
8
7
6
5
4
3
9
2
1
Hauptplatte
–
Hauptrechner / Main Board
–
Main Computer
(M2)
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