Toshiba 13A26 Service Manual page 27

A B
0
8
1 2
8 7
4.9
C118
6.3V 470 YK
7
C101
0.01 B
AT+5V
SDA
SCL
6
AFT
R112 2.2K 1/4W
KEY1
R113 2.2K 1/4W
KEY2
R116_1 2.2K
POWER_ON
R115 22K
REMOCON
5
AUDIO_MUTE
X-RAY
R125
R127
47K IIC_OFF
1K
ON_TIMER
POWER_FAIL
4
AT+5V
3
0
ON_TIMER
SWITCHING
4.8 Q105
KRA102MAT
R143_1
10
2
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
(MAIN PCB)
0 0 0
3 4
6 5
0 4.9 4.9
R618
22K
R110
S802Y
R109
10K 1/4W
10K 1/4W
R124
10K
R130
10K 1/4W
0 0 0 0 0 4.9 NC
0.3 4.9 0 4.6 2.3
64 63 62 61 60 59 58 57 56 55 54 53
R119 4.9
22K 1/4W
2.4
MCU GND
4.9
IIC BUS
DECODER
4.9
SDA/SCL
ROM
OSD
RAM
4.9
4.9
0
I/O
NC
4.9
NC
P-ON CONT Power Manage.
4.9
IIC
MCU RESET
TIM
2.9
CCD
INT
4.9
PWM
0
CLK CONT MCU
AD
CPU core
CLK
0
NC
4.9
VCO
0
R129
XO
47K 4.9
NC
1 2 3 4 5 6 7 8 9 10 11 12
0 0 5.0 5.0 0 4.9 0 1.2 2.0 0.8 3.4
MICON/CHROMA IC
NC
IC101
OEC7091C
C102
0.01 B
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
R621
4.9 5
220 1/4W
5.6
3
2
C630
10V 470 YK
C629
0.01 B
5 6 7
NC
NC
3.2 3.2 3.5 8.0 0 8.0 4.6 0 3.4 3.7 0
4.9
52 51 50 49 48 47 46 45 44 43 42 41
8.8
4.6
4
Ver.Proc.
4.5
Hor.Proc.
PGB OUTPUT Stage Ver SYNC SEP V_OUT
SYNC SEPA/Hor.VCO
DRIVE
Ver.COUNT DOWN
Hor.COUNT DOWN 2.6
R606
CUT-OFF
V RAMP V_FEEDBACK
AFC-1/H COINCIDENT
HV BLK
AFC-2 H PHASE
22K 1/4W
0
C622
3.3
50V 1 KA
4.0
AUDIO_OUT
RGB Proc.2
RGB Proc.1
OSD SW 4.6
1
RGB MATRIX
CONTRAST NC
BRIGHTNESS COLOR CONT
3.1
NC
8.8
Chroma Proc.
Vldeo Proc.
2.0
ACC/C-BPF
C-TRAP/YDELAY
NC
APC/KILLER
SHARPNESS
TINT/DEMO 2.3
BLACK STRETCH
NC
Y MUTE
5.7
R604
LPF
6bB AMP
ATT 100 1/4W
2.3
C614
AUDIO_IN
1 B
2.0 C612
VIDEO_IN
1 B
VCXO 2.2
NC
13 14 15 16 17 18 19 20 21 22 23 24
4.9 5.0 3.4 0 3.4 2.9 5.6 0 2.9 2.8 5.0 0 2.0
NC
NC
C615
TU_VIDEO
C609 1 B
D602
0.01 B
C616 MTZJ9.1B
TU_AUDIO
C610_1 1 B
D611
16V 47 YK
MTZJ12B
5V REG
5.5
Q601
R603
4.9 KTC3203_Y
8.8
120 1/2W
CAUTION
ATTENTION
:SINCE THESE PARTS MARKED BY ARE
:LES PIECES REPAREES PAR UN
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
H.CTL
Q607
2SC2412K
R608
680 1/4W
C623
50V 2.2 KA
8V REG
R607
Q606
KTC3203_Y
100 1/4W
C621
16V 47 YK
C620_1
0.01 B
D604
D603
R605
1SS133
MTZJ8.2B
P.CON+5V 220 1/2W
TUNER+5V
S802X
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
C001
Q603 1 NC
KTC3203_Y
0.01 F
2 NC
3
4 NC
5 NC
6 NC
7 NC
8 NC
9 NC
10
11
12
13
14 NC
15
16 NC
TU001
115-V-KA35ARH
17
CAUTION: DIGITAL TRANSISTOR
ETANT
F G
H
8
FROM/TO DEFLECTION/CRT
7
CLAMP {3}
P.CON+B {2,3}
V_OUT {3}
GND {2,3,4}
V_FEEDBACK {3}
ABCL {3}
H_OUT {3}
X-RAY {2,3}
R.OUT {3}
G.OUT {3}
B.OUT {3}
H_SYNC {3}
6
FROM/TO TV POWER
UNREG+12V
POWER_FAIL {2}
UNREG+12V {2,3}
X-RAY {2,3}
GND {2,3,4}
DEGAUSS_H {2}
AT+5V {2}
5
FROM/TO SOUND/AV
AUDIO_MUTE {4}
VIDEO_IN {4}
AUDIO_IN {4}
AUDIO_OUT {4}
P.CON+5V {4}
GND {2,3,4}
4
L001
TUNER+5V
3.3uH 0305
3
TEST POINT
R004
SCL
CP601
100
R003
A2001WR2-6P
SDA
NC 6
100
AFT
NC 5
IIC_OFF
IIC_OFF 4
TU_AUDIO
SDA
SDA 3
SCL
SCL 2
2
GND 1
R002 R001
P.CON+B
15K 1/2W 15K 1/2W
TU_VIDEO
PCB070
CMF081
1
H
13A26/13A26C G-2