Toshiba 20A43 Посібник з експлуатації - Сторінка 21
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A
B
8
0
0
1
2
8
7
4.9
0
ACCESSORY
BT001
7
R03(AB)E_2P_G
C118
C101
6.3V
100
KA
TM101
BT002
R03(AB)E_2P_G
RC-EH030
0.01 F
AT+5V
R108
100 1/4W
1 CNVSS
41 NC
SDA
2 XIN
42 HVCO F/B
R107
100 1/4W
SCL
3 XOUT
43 AFC FILTER
4 TEST1
44 DEF GND
6
5 VSS
45 FBP IN
W823
6 MCU VCC
46 H OUT
7 TEST0
47 DEF VCC
AFT
8 FILT
48 NC
R129
9 HLT
49 HI VCC
2.2K
KEY1
R113
10 VHOLD
50 R OUT
11 CVIN
51 G OUT
KEY2
2.2K
R123
12 RESET IN
52 B OUT
2.2K 1/4W
POWER_ON
13 MCU RESET OUT
53 ACL
R115
14 Y SW OUT
54 NC
22K 1/4W
REMOCON
15 V/C GND
55 PROTECT
16 3.58 XTAL
56 SDA
AV2
5
17 C-APC
57 H_CTL
AV1
18 MCU5.7V REG OUT
58 SCL
19 NC
59 NC
AUDIO_MUTE
20 CVBS IN3
60 NC
21 AUDIO IN3
61 NC
X-RAY
R125
22 V/C VCC
62 DEGAUSS_H
R127
47K 1/4W
IIC_OFF
23 MCU TEST
63 STANDBY_H
1K 1/4W
24 CVBS IN2
64 VOLUME
ON_TIMER
25 AUDIO IN2
65 NC
26 CVBS IN1
66 AFT
27 AUDIO IN1
67 KEY1
POWER_FAIL
28 5.7V REG OUT
68 KEY2
29 C(Y/C) IN
69 POWER_ON
4
30 Y(Y/C) IN
70 REMOCON
31 VREG VCC
71 AV2
32 FSC OUT
72 AV1
33 MONITOR OUT
73 AUDIO_MUTE
34 AUDIO ATT OUT
74 X-RAY
35 AUDIO ATT FILTER
75 IIC_OFF
36 TEST3
76 ON_TIMER
AT+5V
37 V RAMP F/B
77 BBE
38 V RAMP OUT
78 POWER FAIL
39 V RAMP CAP
79 X-RAY_TEST
40 8.7V REG OUT
80 EXT_MUTE
3
4.9
0
ON_TIMER
SWITCHING
4.8
Q105
KRA102MAT
R143
47 1/4W
2
OS101
RPM7138-H5
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-1
C
MICON/CHROMA/TUNER SCHEMATIC DIAGRAM
0
0
3
4
0
SW
4.9
Q609
KTC3198
0
6
5
R618
5.0
5.0
8.2K 1/4W
R110
10K
R109
10K
R124
22K 1/4W
R130
NC
0
2.0
0
0
5.0
4.2
5.0 0.0
4.9 3.8
5.0
0
0
22K 1/4W
64
63
62
61
60
59
58
57
56
55
54
53
52
0
2.4
MCU GND
4.9
IIC BUS
PGB OUTPUT Stage
DECODER
DRIVE
4.9
CUT-OFF
SDA/SCL
ROM
HV BLK
OSD
RAM
4.9
4.8
I/O
4.8
4.8
P-ON CONT
Power Manage.
4.9
IIC
MCU RESET
TIM
2.0
CCD
INT
4.9
PWM
CLK CONT
0
MCU
AD
CPU core
CLK
0
NC
4.6
VCO
R111
0
XO
47K
4.9
NC
MICON/CHROMA IC
1
2
3
4
5
6
7
8
9
10
11
12
13
1.1
IC101
0
0
4.9
0
4.9
0
3.0
0.8
3.4
4.8
4.8
4.9
NC
OEC7091A
C102
0.01 F
S801X
R128
560
R101
R126
2.7K
560 1/4W
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
DESCRIBED IN PARTS LIST ONLY
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
C
D
E
(MAIN PCB)
W858
H.CTL
Q607
KTC3198
R621
6.0
5.0
220
5.6
2
C630_1
10V
470
YK
C632
10V
470
YK
C629
0.01
F
NC
NC
5.0
5.0
8.3
0
8.1
6.6
0
3.5
3.7
0
2.0
51
50
49
48
47
46
45
44
43
42
41
8.7
4.8
Ver.Proc.
4
4.4
Hor.Proc.
V_OUT
Ver SYNC SEP
SYNC SEPA/Hor.VCO
Ver.COUNT DOWN
Hor.COUNT DOWN
2.5
R606
V RAMP
V_FEEDBACK
AFC-1/H COINCIDENT
AFC-2 H PHASE
27K
1/4W
0
2.8
NC
3.5
RGB Proc.2
NC
RGB Proc.1
OSD SW
0.7
RGB MATRIX
CONTRAST
NC
BRIGHTNESS
COLOR CONT
C618
3.0
FSC
0.01 F
9.0
Chroma Proc.
Vldeo Proc.
8
P.CON+5V
ACC/C-BPF
C-TRAP/YDELAY
2.9
APC/KILLER
TUNER+5V
SHARPNESS
TINT/DEMO
BLACK STRETCH
2.6
Y MUTE
R604
5.6
LPF
6bB AMP
100
ATT
2.2
NC
1.9
NC
VCXO
2.2
STEREO+5V
NC
14
15
16
17
18
19
20
21
22
23
24
3.4
0
3.3
2.8
5.5
0
0
0
4.9
0
1.9
NC
NC
NC
NC
C609
0.01 F
C610
6.3V
47
KA
5.5
4.9
8.8
R603_1
120 1/2W
5V REG
Q601
KTC3203_Y
ARE
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D
E
F
G
R608
1K 1/4W
P.CON+8V[A]
P.CON+8V[B]
7.9
8V REG
8.5
Q608
C623
KTC3203_Y
11.3
16V
100
YK
8V REG
R607
Q606
KTC3203_Y
100
C652
50V
0.22
KA
C647
C621
0.022 F
C620
16V
47
YK
D603
D604
0.01 F
R605
1SS133
MTZJ8.2B
180 1/2W
5V REG
Q602
4.9
KTC3203_Y
5.5
7.2
R629
C617
12 2W
7.2
10V
100
YK
5.5
5V REG
C001
W815
4.9
Q603
1
NC
KTC3203_Y
0.022 F
C002
2
NC
7.2
6.3V
1000
YK
3
5.5
5V REG
4
NC
5.0
Q610
KTC3203_Y
5
NC
6
NC
7
NC
8
NC
9
NC
R004
10
100
R003
11
100
12
R005
13
R001
100 1/4W
14
NC
68K 1/2W
R002
15
TU001
68K 1/2W
ENG36A01G
16
NC
17
W830
LUMINANCE SIGNAL
CAUTION: DIGITAL TRANSISTOR
ETANT
DEFLECTION SIGNAL
AUDIO SIGNAL
TUNER VIDEO SIGNAL
F
G
H
8
FROM COMBI/FILTER
Y_IN
FROM/TO DEFLECTION/CRT
7
CLAMP
CLAMP_OFF
V_OUT
GND
V_FEEDBACK
ABCL
H_OUT
X-RAY
R.OUT
UNREG+12V
G.OUT
B.OUT
H_SYNC
6
FROM/TO TV POWER
REMOTE+12V
TU+BT
POWER_FAIL
UNREG+12V
X-RAY
DEGAUSS_H
GND
5
TO AV
P.CON+8V[A]
GND
AV2
AV1
TU_VIDEO
REMOTE+12V
TO COMBI/FILETR
STEREO+5V
4
C_IN
GND
FSC
P.CON+8V[B]
TUNER+5V
FROM/TO SOUND
AUDIO_OUT_R
AUDIO_OUT_L
SCL
SDA
GND
AUDIO_MUTE
3
TU_AUDIO
STEREO+5V
P.CON+8V[B]
TEST POINT
CP601
173979-7
AUDIO_OUT_R
AUDIO_R
7
SCL
AUDIO_OUT_L
AUDIO_L
6
GND
5
SDA
IIC_OFF
IIC_OFF
4
SDA
AFT
SDA
3
SCL
SCL
2
TU_AUDIO
GND
1
2
TU+BT
TU_VIDEO
PCB010
TMC563
R.SIGNAL
1
G.SIGNAL
B.SIGNAL
H
G-2