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テレビ Toshiba 14N21BSのPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Toshiba 14N21BS 34 ページ。 Colour television
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AT+5V
MICON IC
IC101 OECF005A
Q102
LED SW
40
ON_TIMER
Q103
LED SW
D105
ON TIMER
37
AVDD1
STAND BY
AT+5V
27
AVDD2
AVDD3
AT+5V
21
OS101
1
57
REMORT
50
OSC_OUT
X101
4MHz
51 OSC_IN
SOUND AMP IC
IC1001
AN7511
2
SOUND+B
5
Vcc
E-1
VOL UP
VOL DOWN
CH UP
KEY_IN
56
CH DOWN
I2C
P.CON+5V
SDA 13
5
SDA
SCL 14
6
SCL
OSD-B
9
MEMORY
OSD-G 10
IC199 S-24C04BDP-LA
OSD-R
11
CVBS2 29
CVBS1 30
X602
AV1
7
3.579545MHz
X601
4.433619MHz
P.CON+5V
P.CON+8V
2
J1001
3
R OUT
1
L OUT
8
R IN
SPEAKER
SP1001
L IN
6
BLOCK DIAGRAM
TU001
SCL SDA
BPL
AGC
IF
4
5
7
1
11
CHROMA
IC201 STV2246C
8
6
7
34
OSD-B
35
OSD-G
OSD-R
36
VERT 47
29
CVBSOUT1
SCL 51
39
XTAL2
SDA
52
40
XTAL1
H_OUT 48
B.OUT
30
12
VCC_IF
G.OUT 31
53
VCC_D
R.OUT 32
45
VCC1
17
VCC2
R_EXT/V_EXT
27
26
G_EXT/Y_EXT
11
FM_OUT
B_EXT/U_EXT
25
Y/CVBS_IN3
22
55
AUDIO_OUT
INT_CVBS_OUT 13
CVBSIN2 20
14
EXT_AUDIO_IN
J701
VIDEO OUT
1
19
VIDEO IN
3
20
21-B IN
2
7
21-G IN
6
11
21-R IN
15
AUDIO_SW
IC703
NJM2233BM-T1
2
7
SW Vout
1 Vin1
Vin2
3
SW TRANS
T501
5
12
SOUND+B
+B
14
17
P.CON+8V
18
AT+5V
P.CON+5V
V-DRIVE
IC401 TDA8714A
Vs
10
P.CON+25V
1
POWER OUTPUT
3 TRIGGER INPUT
I2C
Q401
Q402
H.DRIVE
H.OUTPUT
J801
Q803
F
BULE OUT
3
Q802
8
GREEN OUT
9
Q801
RED OUT
7
FRONT VIDEO
J702
3
1
2
FRONT AUDIO
J703
3
1
2
Q501
POWER
D
SW TR
DY
FB401
1
2
+B
3
P.CON+25V
F
S
HV
CRT
V801
E-2