Dell 21N21E2 CRT Television User Manual


 
ABC D E F GH
ABC D E F GH
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
R140 1.8K
R102
820
R103
1.2K
R104
2.2K
R101
390
R006
15K
R142 1.8K
R141 1.8K
R004
270 1/4W
R116
10K
R133
10K
R123
10K
R124
10K
R131
100K
R109
2.2K 1/4W
R003
270 1/4W
R126
47
R120
4.7K
R107 1K
R115
4.7K
R114
4.7K
R134
10K
R152
100 1/4W
R148
10K
R137
180
R136
1.5K 1/4W
R111
15K
R110
5.6K
R108
270
R105
10K
R106
10K
R113
5.6K
R132
560
R151
4.7K
R112
1.5K 1/4W
R125 4.7K
R128
100
R129
100
R122
4.7K
R144 1K 1/4W
R147 1.2K 1/4W
R146 1K 1/4W
R143 1K
R145 1K 1/4W
R121
100 1/4W
R005 82K
C139_1
0.47 F
C120_2
1B
C111_1
0.47 F
C109
22P CH
C108
22P CH
C007
0.01 B
C140
220P CH
C129
220P CH
C112
82P CH
C103
22P CH
C104
0.0047 B
C106
0.022 B
C105
0.1 B
C101
68P CH
C102
0.1 B
C143
0.1 B
C126
100P CH
C125
100P CH
C127
100P CH
C128
150P CH
C118
0.1 B
C116
0.0047 B
C113
22P CH
C132 30P CH
C141 0.1 B
C119
0.1 B
C114 0.1 B
C006
100P CH
C001 0.022 B
W832
C115
22006.3V YK
C122
1016V KA
C121
1006.3V YK
C131
1016V KA
C003_1
150V KA
D108 1SS133
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
D102 MTZJ5.1B
D001 MTZJ33B
C002
4706.3V YK
X101
100CT4R013
4MHz
L001
10uH 0305
L102
10uH 0305
L101
10uH 0305
Q103
2SA1037AK
LED DRIVE
Q102
2SA1037AK
LED DRIVE
TU001 TUWRF4EG-778F2A
1
10
11
12 13
14 15
2
3
4
5
6
7
8
9
SW106
EVQ21505R
CH UP
SW104
EVQ21505R
VOL DOWN
SW102
EVQ21505R
VOL UP
SW107
EVQ21505R
CH DOWN
IC199
S-24C16AFJA-TB-01
MEMORY IC
1234
5678
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
CP001
003P-2100
CP101 06JQ-ST
1
2
3
4
5
6
Vout
B+
GND
OS101
RPM7138-H5
1
2
3
IC102
PST3231NR
RESET IC
123
4 5
IC101 OECF013B
MICON W/T.TEXT IC
110111213141516171819 2202122232425262728
29
3
30 31 32 33 34 35 36 37 38 39
4
40 41 42 43 44 45
46 47 48 49
5
50 51 52 53 54 55 56
6
789
D101
SLR-342VCT32
STAND BY/P.ON
D103
LTL-1CHGE-002A
ON TIMER
TM101
RC-GX010
BT002
R03(AB)2PXGPI
UM-4
BT001
R03(AB)2PXGPI
UM-4
P.CON+5V
TUNER_BT
P.FAIL
GND
AT+5V_AVDD
AT+5V_DVDD
DEGAUSS
POWER
EMERGENCY
RF_AGC
IF
OSD_B
OSD_G
OSD_R
OSD_FB
CVBS_TXT
V_OUT
PROTECT
H_CONT
SCL
SDA
A_MUTE
AFC
PROTECT
AV1
FORTHD_VCR_1
PCB010
TMC572
FROM/TO 21PIN/AV SW
NC
GND
I2C_SCL
I2C_SDA
I2C_OFF
RF_AGC
TEST POINT
3
2
NC
NC
NC
NC
4
4.9 0 4.9
IF
BTL
BPL
V.S
SDA
SCL
ADRES
AGC
NC
NC
NC
4.9
4.9
2.3
4.9
2.0
4.9
2.1 4.8
1.6
4.9
4.9
4.9
0.2
0.2
0.7
4.9
4.8
4.9
4.9
4.9
RED
0
3.1
GREEN
NC
NC
1
FROM/TO IF/CHROMA
FROM/TO POWER
NC
NC
NCNC
FROM/TO DEFLECTION/CRT
NC
CVBS1
AV2
AV1
V_SYNC
AVDD1
H_SYNC
GND
CVBS2
MCFM
TEST0
AVDD3
VPP
WSCF
JTDO
VDD
SCL
SDA
OSD_FB
OSD_R
OSD_G
OSD_B
STANDBY LED
POWER
I2C_OFF
DEGAUSS
AGND
POWER FAIL
(BBE-H)
PXFM
KEY_IN
TU/RGB
A MUTE
JTCK
JTRSTO
JTMS
CVBSO
AVDD2
OSC_OUT
OSC_IN
RESET
REMORT
TXCF
SECAM_VL_H
H_CONT
ON_TIMER
FORTHD VCR 2
FORTHD VCR 1
EMERGENCY
P4.6/PWM6
PROTECT
STEREO RESET
P3.5
P3.4
TUNER HI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
ATS
0
VCC
MODE
SCL
SDAVSS
E2
E1
E0
04.9
000
4.94.90
NC
NC
GND
RESET
VCC
NC
NC
0
0
3.6
3.7
4.9
0.0
2.2
0
0
0
0.5
4.6
0.5
1.4
1.2
4.8
1.4
1.3
0
0
NC
4.9
1.8
TO SOUND AMP
4.9
4.9
4.9 4.9
NC
4.9
4.9
NC
NC
1.8
5.0
31.4
NC
0
MICON/TUNER SCHEMATIC DIAGRAM
(MAIN PCB)
ACCESSORY
5
6
7
8
10
9
G-1
G-2