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THARUS 38 – LCD 38-9210 TOP
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
Blockschaltplan – Übersicht / Block Circuit Diagram – Overview
POWER SUPPLY
DC JACK
IMAGE PROCESSING
JA301
S-VHS socket
M9
JA360
CVBS socket
M9
JAS1
AV socket
M5
R/G/B
H
V
JA360
S-VGA socket
M3
AUDIO PROCESSING
JAS1
AV socket
M5
JA301
AUDIO socket
M9
JA203
PC-AUDIO socket
M9
JA202
AUDIO socket
M9
GRUNDIG Service
M1
IC801
78L05
STD 5V
REGULATOR
12Vcc
IC802
IC803
FDS4435
LM2596
FET SW
REGULATOR
IC805
KA7808R
REGULATOR
IIC-BUS
24.576MHz
TUNER
SIF
TU
TV_CVBS
IC301
Y-IN
VPC3230
C-IN
VIDEO
CVBS_IN
DECODER
M4
TV_V_OUT
SCART_CVBS
IC360
AD9883
ADC & PLL
M3
IC362
74F14
M3
IIC-BUS
EEPROM
H
V
DDC-SCL
DDC-SDA
SIF
SC1_IN
IC201
TV_OUT
MSP34X0G
SC2_IN
AUDIO
PROCESSOR
M9
SC3_IN
SC2_OUT
18.432MHz
Platinenabbildungen und Schaltpläne / Layout of PCBs and Circuit Diagrams
5Vcc
3.3Vcc
IC804
RC1587M33
REGULATOR
8Vcc
IC701 / IC702
IIC-BUS
2M SRAM x2
M7
14.318MHz
C[0...7]
Y[0...7]
IC601
R
MX88L284
G
IMAGE SCALER
B
M6
DCLK
MX SDA, SCL, CS
RESET
IC002
24C16
M2
IC001
S3P863A
MICOM
M2
IC251
TDA8542ATSSO
AMPLIFIER
M10
EXT_MUTE
IIC-BUS
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
3.3Vcc
– 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
PANEL POWER
IC903
FDS4435
FET SW
M8
LCKA
64MHz
BUFFER
ENABLE
ON/OFF
ADJ
12V
BACK LIGHT
CONTROL
L SP
R SP
JA301
HEAD PHONE
M9
3 - 1
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