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