Toshiba 20AF46C Посібник з експлуатації - Сторінка 29
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Також для Toshiba 20AF46C: Посібник користувача (28 сторінок)
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A
B
8
FROM/TO COMB FILTER/AV
7
V_IN[YUV]
VIDEO_IN1
U_IN[YUV]
Y_IN[YUV]
VIDEO_IN3
6
C_V_OUT_SW
Y_V_OUT_SW
P.CON+5V
7
VIDEO_OUT
P.CON+8V[A]
FSC_OUT
5
FROM/TO TUNER/STEREO
TUNER_VIDEO
TUNER+5V
P.CON+8V[B]
P.CON+5V
TO SOUND
P.CON+8V[B]
4
P.CON+5V
FROM POWER
UNREG+12V
GND
3
FROM/TO DEFLECTION
P.CON+5V
P.CON+8V[A]
GND
V_OUT
H.OUT
H_SYNC
ABCL
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-3
C
CHROMA SCHEMATIC DIAGRAM
R603
330
1/2W
S801X
2.7
0
3.0
48
47
46
2.2
C641
P.CON+5V REG
C IN(Y/C)
Q606
R602
R649
0.1
B
KTC3209_Y
0
7.2
NC(GND)
5.0
12
3W
10
3W
C642
3.0
5.0
Y IN(Y/C)
7.2
5.5
50V
1
KA
P.CON 5V REG
8.7
Q602
VREG VCC
5.5
KTC3209_Y
P.CON 5V
1.9
REG
CVBS4
5.0
7.2
NC
Q604
R610
5.7
5.5
KTC3209_Y
5.7V VREG OUT
100
C640
3.2
fsc OUT
0.01 F
0
NC
NC
0
FAST YUV
2.8
DELAYDE Y OUT
NC
3.0
NC
EW OUT
C608_2
3.0
VIDEO LINE OUT
16V
10
KANP
8.7
8.7 VREG OUT
4.0
VRAMP AGC CAP
4.0
V OUT
4.0
8
VRAMP CAP
1
2
3
R601
3.2
4.0
0
P.CON 8V REG
Q611
15 1/2W
KTC3209_Y
P.CON 8V REG
11.3
7.9
Q601
8.5
KTC3209_Y
7.9
11.3
8.5
R609
100
ATTENTION
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)
W831
R616
8.8
120 1/2W
5.5
R617
100 1/4W
S804Y
0
1.2
0
1.9
5.0
1.2
0
1.9
5.6
2.8
0
3.2
0
45
44
43
42
41
40
39
38
37
36
35
34
33
3.6
Y SW OUT
0
NC
NC
5.0
MCU RESET
3.5
MCU CLOCK OUT
NC
5.0
47 NC(GND)
33 V/C GND
P_CON CONT
48 Y IN(YUV)
34 XTAL 3.58
3.5
SCL
3.5
SDA
4.9
CHROMA IC
CLK CONT
NC
IC601
4.2
M61283BFP
FAST BLK
2.9
R IN
1 HVCO F/B
15 G OUT
2.9
G IN
2 AFC FILTER
16 B OUT
2.9
B IN
4.6
V PULSE OUT
4.9
INV.FBP OUT
11
4.9
MONITOR OUT
2.1
ACL
4
5
6
7
8
9
10
11
12
13
14
15
16
0
0
5.5
0
3.8
8.0
8.0
0
8.0
8.0
4.0
4.0
4.0
NC
15
NC
R654
14
9
56K
13
R635
120K
R636
10
1.5K
CAUTION
:SINCE THESE PARTS MARKED BY
:LES PIECES REPAREES PAR UN
ETANT
CRITICAL FOR SAFETY,USE ONES
DANGEREUSES AN POINT DE VUE SECURITE
DESCRIBED IN PARTS LIST ONLY
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
4.9
AT+5V REG
Q607
KTC3203_Y
R627
100
R628
100
C637
33P CH
C643
33P CH
C644
33P CH
W805
R629
D608
6.8K
11E1-EIC
R620
R623
100
R626
100 1/4W
100 1/4W
ARE
CAUTION: DIGITAL TRANSISTOR
F
G
H
8
7
FROM/TO MICON
6
PROTECT
SW_Y_OUT
AT+5V
RESET
POWER
SCL
5
SDA
OSD_BLK
OSD_R
OSD_G
OSD_B
VD
4
HD
SYNC_OUT
CLAMP_OFF
3
TO CRT
CP802A
(CP802B)
B2013H02-6P
P.CON+8V
1
GND
2
R.OUT
3
G.OUT
4
B.OUT
5
CLAMP_OFF
6
2
PCB010
CME017
1
H
20AF46/20AF46C
G-4