Toshiba 14N21NS Service Manual page 22

A B
ACCESSORY
ANT001
BT001
T4-216BP-BK
8 R03(AB)2PXGPI
BT002
R03(AB)2PXGPI
TM101 R108
RC-FK010 1.2K
R139
390
R104 R102
820 2.2K
7
FROM/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
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
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
1
2
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
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
5
C102 6
0.1 B C131
16V 10 KA
R128
1K
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) RESET
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
B
KA
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
C109
2.2
22P CH
OSC_IN
X101 4MHz
2.2 100CT4R013
OSC_OUT
C108
L101
4.8
22P CH
VDD
C114
10uH 0305
43 44 45 46 47 48
0.1 B
C115
NC 0 NC 0 NC 0 NC 0 NC 0
4
6.3V 2200 YK
L102
10uH 0305
CAUTION: DIGITAL TRANSISTOR
D E
F G
TU001 TUWRF4EG-778F2
VCO
TP001
NC NC NC NC NC
PH001
003P-2100
CC001
R121
R122
100 1/4W
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
F G
H
8
7
FROM/TO
CHROMA/SIF/VIF/21PIN
RF_AGC
IF
SCL
SDA
VIDEO_OUT
FROM/TO
6
CHROMA/SIF/VIF/21PIN
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
RF AGC 5
VIDEO OUT 6
3
2
1
PCB010
TNB537
H
G-2