Toshiba 13A23W Руководство по эксплуатации - Страница 25
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A
B
0
0
1
2
8
8
7
4.9
0
C118
7
6.3V
100
KA
C101
0.01 F
AT+5V
SDA
1 CNVSS
41 NC
2 XIN
42 HVCO F/B
SCL
3 XOUT
43 AFC FILTER
4 TEST1
44 DEF GND
5 VSS
45 FBP IN
6
6 MCU VCC
46 H OUT
7 TEST0
47 DEF VCC
AFT
8 FILT
48 NC
R112
9 HLT
49 HI VCC
KEY1
2.2K 1/4W
R113
10 VHOLD
50 R OUT
11 CVIN
51 G OUT
KEY2
2.2K 1/4W
R116
12 RESET IN
52 B OUT
POWER_ON
2.2K
13 MCU RESET OUT
53 ACL
R115
14 Y SW OUT
54 NC
22K
REMOCON
15 V/C GND
55 PROTECT
16 3.58 XTAL
56 SDA
17 C-APC
57 H_CTL
5
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
IIC_OFF
23 MCU TEST
63 STANDBY_H
1K
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 TEST 3
76 ON_TIMER
AT+5V
37 V RAMP F/B
77 BBE
38 V RAMP OUT
78 POWER FAIL
39 V RAMP CAP
79 NC
40 8.7V REG OUT
80 EXT_MUTE
3
5.1
0
ON_TIMER
SWITCHING
4.8
Q105
KRA102MAT
R143
47
2
OS101
RPM7138-H5
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A
B
G-1
C
MICON/CHROMA/TUNER SCHEMATIC DIAGRAM
0
0
3
4
6
5
4.8
4.8
R618
22K
R110
R109
10K 1/4W
10K
1/4W
R124_1
10K
NC
R130
0
0
0
0
0
0
4.8
0
4.8
0
4.8
0.7
2.3
64
63
62
61
60
59
58
57
56
55
54
53
52
10K 1/4W
R119_1
4.8
22K 1/4W
2.4
MCU GND
4.9
IIC BUS
DECODER
4.9
SDA/SCL
ROM
OSD
RAM
4.9
4.8
I/O
0
NC
4.9
NC
P-ON CONT
Power Manage.
4.9
IIC
MCU RESET
TIM
2.8
CCD
INT
4.8
PWM
0
CLK CONT
MCU
AD
CPU core
CLK
0
NC
4.8
VCO
R129
0
XO
47K
4.9
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
MICON/CHROMA IC
IC101
0
0
4.9
4.9
0
4.9
0
1.0
1.9
0.3
2.7
4.9
OEC7091A
NC
C102
0.01 F
R128
560
R126
R101
2.7K
560
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)
H.CTL
Q607
KTC3198
R621
6.0
5.0
220 1/4W
5.6
3
2
C630
10V
470
YK
C629
0.01
F
5
6
7
NC
NC
2.2
2.3
8.0
0
8.0
2.0
1.0
0
3.4
3.7
0
51
50
49
48
47
46
45
44
43
42
41
8.6
4.7
Ver.Proc.
4
3.6
Hor.Proc.
V_OUT
PGB OUTPUT Stage
Ver SYNC SEP
SYNC SEPA/Hor.VCO
DRIVE
Ver.COUNT DOWN
2.6
Hor.COUNT DOWN
CUT-OFF
R606
V RAMP
V_FEEDBACK
AFC-1/H COINCIDENT
HV BLK
AFC-2 H PHASE
22K 1/4W
0
3.2
C622
50V
1
KA
3.5
AUDIO_OUT
RGB Proc.2
RGB Proc.1
0.7
OSD SW
1
RGB MATRIX
CONTRAST
NC
COLOR CONT
BRIGHTNESS
2.8
NC
8.7
Chroma Proc.
Vldeo Proc.
P.CON+5V
1.9
ACC/C-BPF
C-TRAP/YDELAY
APC/KILLER
NC
TUNER+5V
SHARPNESS
TINT/DEMO
2.2
BLACK STRETCH
NC
Y MUTE
5.5
R604
LPF
6bB AMP
ATT
100 1/4W
2.2
C614
AUDIO_IN
50V
1
KA
1.9
VIDEO_IN
C612
VCXO
0
50V
1
KA
NC
14
15
16
17
18
19
20
21
22
23
24
4.9
2.7
0
3.3
2.8
5.5
0
2.5
2.2
4.9
0
1.9
NC
NC
C615
TU_VIDEO
C609
50V
1
KA
0.01 F
C616
C610
TU_AUDIO
50V
1
KA
6.3V
47
KA
5.5
R603
4.9
8.8
120 1/2W
5V REG
Q601
KTC3203_Y
CAUTION
ATTENTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D
E
F
G
R608
1K 1/4W
C623
50V
2.2
KA
7.9
8V REG
R607
8.5
Q606
KTC3203_Y
100 1/4W
11.3
UNREG+12V
C621
16V
47
YK
C620_1
0.01 B
D604
D603
R605
1SS133
MTZJ8.2B
220 1/2W
5V REG
Q602
4.9
KTC3203_Y
5.5
7.2
R629
C617
22 3W
10V
100
YK
7.2
5.5
5V REG
4.9
Q603
C001
L001
1
NC
NC
KTC3203_Y
0.01 F
3.3uH
0305
NC
2
NC
TUNER+5V
3
NC
4
NC
5
NC
NC
NC
6
NC
7
NC
NC
NC
8
NC
9
NC
NC
R004
SCL
10
R003
SDA
11
100
AFT
12
TU_AUDIO
13
NC
14
NC
R002
R001
P.CON+B
15
15K 1/2W
15K 1/2W
NC
16
NC
TU001
ENG36A01G
TU_VIDEO
17
CAUTION: DIGITAL TRANSISTOR
:LES PIECES REPAREES PAR UN
ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
8
FROM/TO DEFLECTION/CRT
7
CLAMP
P.CON+B
V_OUT
GND
V_FEEDBACK
ABCL
H_OUT
X-RAY
R.OUT
G.OUT
B.OUT
H_SYNC
6
FROM/TO TV POWER
AT+5V
POWER_FAIL
UNREG+12V
X-RAY
GND
FROM/TO SOUND/AV
AUDIO_MUTE
5
VIDEO_IN
AUDIO_IN
AUDIO_OUT
P.CON+5V
GND
4
TUNER+5V
3
TEST POINT
SCL
CP601
100
00_8283_0611_00_000
SDA
NC
6
AFT
NC
5
IIC_OFF
IIC_OFF
4
TU_AUDIO
SDA
SDA
3
SCL
SCL
2
2
GND
1
P.CON+B
TU_VIDEO
PCB010
TMC558
R.SIGNAL
G.SIGNAL
1
B.SIGNAL
DEFLECTION SIGNAL
TUNER VIDEO SIGNAL
H
G-2