Toshiba 20AF44 서비스 매뉴얼 - 페이지 26

{카테고리_이름} Toshiba 20AF44에 대한 서비스 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Toshiba 20AF44 41 페이지. Color television
Toshiba 20AF44에 대해서도 마찬가지입니다: 소유자 매뉴얼 (36 페이지), 소유자 매뉴얼 (36 페이지)

페이지 인쇄
Toshiba 20AF44 서비스 매뉴얼
A
B
8
FROM TUNER/STEREO
23
SW_AUDIO_L
7
22
SW_AUDIO_R
2.7K 1/4W
6
FROM CHROMA
5
P.CON+8V[B]
FROM/TO COMBI FILTER
GND
FROM/TO MICON
SDA
SCL
4
BBE_SW
VOLUME
TV_MUTE
FROM POWER
SOUND+B
GND
3
P.CON+12V
SOUND_GND
W858
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-9
C
SOUND SCHEMATIC DIAGRAM
R302
R301
2.7K 1/4W
C309
0.039
B
NC
NC
0
3.9
1.7
3.0
0
3.9
3.9
3.9
0
4.0
1
2
3
4
5
6
7
8
9
NC
NC
PF4
GND
PF1
AGC
L IN
PF2
PF3
Tone
Volume 2.2K
AGC
SURR
+
Control
Control
MODE
control
VCC
R IN
Vref
NC
NC
BB
RB
RT
32
31
30
29
28
27
26
25
24
2.3
7.9
4.5
4.0
0
0
4.0
4.0
4.4
3.0
NC
NC
L301
100uH 0305
SOUND AMP IC
IC1001
AN17808B
+
-
ATT.CONT.
+
ATT.
+
VOL
RIPPLE
FILTER
CH1
CH2
CH2
NC
GND
VOL
MUTE
GND
VCC
RF
IN
IN
OUT
1
2
3
4
5
6
7
8
9
0
0.2
16.0
0
0.2
0
0.7
3.7
0
16.5
NC
W803
R1013
10K
R1009
MUTE
68K 1/4W
Q1001
KRC111SRTK
3.6
0
0
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
(MAIN PCB)
NC
NC
4.0
0
0
2.0
2.9
4.0
10
11
12
13
14
15
16
NC
NC
LT
LB
BD
VD
L ONT
R305
C323
20K
0.0033
+
Balance
/MUTE
+
4.8
4.8
4.8
4.8
1
2
3
BLD
TD
NC
NC
R OUT
SDA
SCL
23
22
21
20
19
18
17
2.0
0
0
4.0
3.5
3.5
NC
NC
20
19
18
4.8
4.8
4.8
4.8
R303
100 1/4W
R306
C324
R304
20K
0.0033 B
100 1/4W
+
-
25
STAND
CH1
-BY
OUT
10
11
12
12.7
0.7
C1001_1
50V
1
KA
R1003
22K
R1004
22K
C1002_1
50V
1
KA
26
27
HS1001
763WAA0215
ATTENTION
CAUTION
:LES PIECES REPAREES PAR UN
ETANT
:SINCE THESE PARTS MARKED BY
DANGEREUSES AN POINT DE VUE SECURITE
CRITICAL FOR SAFETY,USE ONES
N'UTILISER QUE CELLS DECRITES
DESCRIBED IN PARTS LIST ONLY
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
R307
C325
20K
0.033
B
B
R313
1K 1/4W
4.8
4.8
4.8
0
8.9
8.9
8.9
4
5
6
7
8
9
10
BBE
17
16
15
14
13
12
11
4.8
4.8
4.8
4.8
9.5
0
R308
C326
20K
0.033 B
CD1001
24
CP1001
CU14411A
SPEAKER
A2502WV2-4P
SP1001
SG05K07BRA
4
4
8 OHM 5W
3
3
(L)
2.5W
2
2
SPEAKER
1
1
SP1002
SG05K07BRA
8 OHM 5W
2.5W
(R)
HEADPHONE JACK
J1001
MSJ-2000_AG
7
6
R1002
2
R1001
270 1/2W
3
270 1/2W
4
5
1
CAUTION: DIGITAL TRANSISTOR
ARE
F
G
H
8
7
6
5
4
3
2
PCB010
TMC559
1
H
G-10