Toshiba MD13N1C Service Manual page 51

A B
8
FROM/TO REGULATOR
DVD_Y
DVD_C
UNREG+12V
P.CON+5V
GND
P.CON+9V
SWD_V_OUT
7
AT5.7VREG
8.5VREG
TO DEFLECTION
V.OUT
ACL
AFC
H.OUT
FROM/TO IN/OUT
SWD_VIDEO
6
FRONT_VIDEO
W827
SCL
W832
SDA
OSD_Y
OSD_B
5
OSD_G
OSD_R
HD
4
FROM/TO MICON/TUNER
HD
POWER_ON_H
3
SWD_V_OUT
TUNER_VIDEO
PROTECT
OSD_Y
OSD_B
OSD_G
OSD_R
SDA
SCL
SYNC_VIDEO
H_CONTROL
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
G-17
C
VIF/SIF/CHROMA SCHEMATIC DIAGRAM
C4227
50V 1 KA
IC601 NC NC NC
0 0
LA76319M-MPB-E
48 47 46
NC
0
5.2
CLMP
5.2
NC VIDEO
SW
0
NC
AUDIO
5.2
R630 SW
1K 1/4W 5.2
BUS
3.4
3.4
LPF
3.4
NC
0
5.0
NC
0
NC
0
NC
0
NC
0
NC
0
1 2 3
0 0
NC NC NC
SW
0
R634 Q602
KTC3875S_Y_RTK
6.0
4.7K
0
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
(AV PCB)
R625
22K
C628
NC NC
50V 0.47 KA
0 5.2 0 5.2 2.5 2.5 4.5 3.9 0
3.4 5.0 3.0 3.5 2.6
45 44 43 42 41 40 39 38 37 36 35 34 33
NC
0
REG
SW
C622
0
VXD APC1 FSC 50V 1 KA
2.5
CLMP
TINT
2.5
C601
HOR
0.1 B
0
VCO
AF
BPF YC SN ACC CEMO
X-RAY
SW
0
R619
1/256
CL BS
V/Y RGB COLOP
TRAP 4.7K +-1%
1.7
SW SHARP SG MATRIX CLAMP HOR
C/D
5.9
DC REST CONTRAST SYNC FBP
ATT BRIGHT
SEP AFC1
NC
0
R616
VER AFC2
OSD OSD
SEP
1.0 100 1/4W
CONTRAST SW
VER PHASE
2.7
C/D SHIFTER
ORIVE/OUT-OFF
VER HOR HOR
5.2
RAMP VCC OUT
CLMP
ABL/ACL
2.4
REG-SW
2.9
5V/8V-REG
RST
3.0
0
4 5 6 7 8 9 10 11 12 13 14 15 16
0 5.0 6.0 8.6 2.6 0 2.8 3.4 8.6 0 7.9 3.7 3.5 3.5
NC NC
R608
6.8K
L601
100uH 0305
R605
27K
CAUTION: DIGITAL TRANSISTOR
D E
F G
S002X
28
R622
1.5K 1/4W
C618
0.015 B
C619
R615
50V 1 KA 4.3K
R613
100 1/2W
C617
0.33 B
32
D603
1N4005-EIC
C634
50V 1
30 29 31
B.SIGNAL
PLAYBACK LUMINANCE SIGNAL
G.SIGNAL
PLAYBACK COLOR SIGNAL
R.SIGNAL
TUNER VIDEO SIGNAL
PLAYBACK VIDEO SIGNAL
F G
H
8
7
6
DVD_Y
34 5
R618
AFC
220 1/4W 33
H.OUT
P.CON+9V
SW
Q601
0
KTC3875S_Y_RTK
H_CONTROL
5.0 5.0
4.4
4
4.3
9.0 SW
Q605
KRA102SRTK
P.CON+5V
V.OUT
3
P.CON+5V_B
P.CON+9V
8.5VREG
27
ACL
TUNER_VIDEO
UNREG+12V
AT5.7VREG
TO CRT
CP802A (CP802B)
KA
B2013H02-6P
CLAMP 1
2
GND 2
G.OUT 3
R.OUT 4
B.OUT 5
CLAMP_OFF
6
PCB250
TMB555
1
H
G-18