Toshiba 14N21FS Instrukcja serwisowa - Strona 22

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Toshiba 14N21FS Instrukcja serwisowa
A
B
ACCESSORY
ANT001
TU-33AP
8
TM101
R108
RC-FK010
1.2K
R139
390
BT002
BT001
R104
R102
R03(AB)2PXGPI
R03(AB)2PXGPI
820
2.2K
7
TO SOUND AMP
A_MUTE
AV1
POWER
6
FROM/TO
CHROMA/SIF/VIF/21PIN
5
H_CONT
PROTECT
CVBS_TXT
HD
FOR_VCR
V_OUT
4
R117
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-1
C
MICON/TUNER SCHEMATIC DIAGRAM
D105_1
LTL-1BEFJ
R145
G
270
R
0
LED SW
4.8
KRA102SRTK
R109
Q103
4.8
2.2K
R135
150
3.6
LED SW
4.8
KRC111SRTK
Q102
4.8
2
1
NC
0
4.8
3.0
3.0
1.2
1.2
1.2
1.2
0
0
16
15
14
13
12
11
10
9
8
7
0
NC
0
NC
NC
0
WSCF
MICON IC
0
VPP
IC101
OECF005A
W820
4.8
AVDD3
4.8
TEST0
C113
1.6
MCFM
22P CH
4.8
C116
17
NC
64
VDD
NC
JTCK
32
NC
48
GND
0.0047 B
C106
R111
2.2
TXCF
0.0022 B
15K
0.2
NC
CVBSO
4.8
AVDD2
4.8
C105
NC
JTMS
0.1
B
C111
0.7
CVBS2
270
82P CH
C135
C112
2.1
CVBS1
68P CH
0.47 B
0
AGND
0
NC
33
34
35
36
37
38
39
40
41
42
0
NC
0
0
1.9
4.8
3.0
2.5
4.8
0
NC
4.8
0
6
5
C102
0.1 B
C131
16V
10
KA
R128
1K
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
C
D
E
RESET IC
(MAIN PCB)
IC102
R3111N311A/C
NC
0
NC
0
5
4
OS101 RPM7138-H5
1
2
3
4.9
4.9
0
D104
C110
C122
1SS133
0.47
16V
10
KA
B
C120
1
B
R105
R125
10K
68 1/4W
0
0
0
4.8
4.8
0
6
5
4
3
2
1
4.8
R131
0
TU/RGB
4.7K 1/4W
0
SCART1
R141
0
SCART2
4.7K
0
PO.6
NC
4.8
PO.7
NC
4.8
RESET
4.8
REMORT
4.8
KEY_IN
4.8
POWER FAIL
R120
0
P4.6
NC
10K
3
0
DEGAUSS
R144
4.8
10K
EMERGENCY
2.2
C109
22P CH
OSC_IN
X101
2.2
100CT4R013
OSC_OUT
L101
4.8
C108
22P CH
VDD
10uH 0305
C114
43
44
45
46
47
48
NC
0 NC
0
NC
0
NC
0
NC
0
4
0.1 B
C115
6.3V
2200
YK
L102
10uH 0305
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
TU001
TUWRF4EK-778F2
VCO
TP001
NC
NC
NC
NC
NC
PH001
003P-2100
CC001
R121
100
R122
75 1/4W
4.8
0
4.8
4.8
8
7
6
5
1
2
3
4
0
0
0
0
CAUTION: DIGITAL TRANSISTOR
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
7
FROM/TO
CHROMA/SIF/VIF/21PIN
RF_AGC
IF
SCL
SDA
VIDEO_OUT
6
OSD_FB
OSD_R
OSD_G
OSD_B
TU/RGB
5
FROM/TO POWER
GND
P.CON+5V
+B
P.FAIL
EMERGENCY
POWER
DEGAUSS
4
AT+5V_AVDD
AT+5V_DVDD
CP101
06JQ-ST
GND
1
I2C SCL
2
I2C SDA
3
I2C OFF
4
1/4W
RF AGC
5
VIDEO OUT
6
3
2
PCB010
TMB537
1
H
G-2