Toshiba MD14FP1C Service Manual page 45

A B
8
FROM/TO REGULATOR
DVD_Y
DVD_C
7 UNREG+12V
P.CON+5V
GND
P.CON+9V
SWD_V_OUT
AT5.7VREG
8.5VREG
TO DEFLECTION
V.OUT
ACL
AFC
6 H.OUT
FROM IN/OUT
FRONT_VIDEO
SWD_VIDEO
W827
SCL
W832
SDA
5
OSD_Y
OSD_B
OSD_G
OSD_R
HD
4
VD
FROM/TO MICON/TUNER
3
VD
HD
POWER_ON_H
SWD_V_OUT
TUNER_VIDEO
PROTECT
OSD_Y
OSD_B
OSD_G
OSD_R
SDA
SCL
2
SYNC_VIDEO
H_CONTROL
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
G-13
C
VIF/SIF/CHROMA SCHEMATIC DIAGRAM
C4227
50V 1 KA
CHROMA IC
IC601
LA76319M-MPB-E
NC NC NC
0 0 0 5.2
48 47 46 45
NC
0
5.2
CLMP
5.2
NC VIDEO
0 SW
NC
AUDIO
5.2
R630 SW
1K 1/4W 5.2
BUS
3.4
3.4
ATT
LPF
3.4
NC
0
5.0
NC
0
NC
0
NC
0
NC RST
0
NC
0
1 2 3 4
0 0 0 5.0
NC NC NC
SW
Q602
KTC3875S_Y_RTK
0
R634
6.0
4.7K
0
CAUTION: DIGITAL TRANSISTOR
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
NC
NC
C628 50V 0.47 KA
0 5.2 2.5 2.5 4.5 3.9 0 3.4 5.0 3.0 3.5 2.6
44 43 42 41 40 39 38 37 36 35 34 33
NC
0
REG
SW 0
C622
2.5
VXD APC1 FSC 50V 1 KA
CLMP
2.5
TINT
C601
HOR
0
0.1 B
VCO
AF
BPF YC SN ACC CEMO
X-RAY
SW
0
R619
1/256
CL BS
V/Y RGB COLOP
1.7
TRAP 4.7K +-1%
SW SHARP SG MATRIX CLAMP HOR
C/D
5.9
DC REST CONTRAST SYNC FBP
BRIGHT NC
SEP AFC1
0
R616
VER AFC2
OSD OSD 1.0
SEP
100 1/4W
CONTRAST SW
VER PHASE 2.7
C/D SHIFTER
ORIVE/OUT-OFF
5.2
VER HOR HOR
RAMP VCC OUT
CLMP
ABL/ACL 2.4
REG-SW
2.9
5V/8V-REG
3.0
0
5 6 7 8 9 10 11 12 13 14 15 16
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
L601
6.8K
100uH 0305
R605
27K
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
B.SIGNAL
G.SIGNAL
R.SIGNAL
D E
F G
S002X
28
R622
DVD_Y
390 1/4W
34
R618
AFC
220 1/4W 33
H.OUT
C618
0.015 B
C619
R615
50V 1 KA 4.3K
R613
P.CON+9V
SW
100 1/2W
Q601
0 KTC3875S_Y_RTK
H_CONTROL
5.0
4.4
9.0
4.4
SW
4.3
Q605
DTA114EKA
P.CON+5V
32
V.OUT
P.CON+5V_B
P.CON+9V
8.5VREG
D603
ACL
1N4005-EIC TUNER_VIDEO
UNREG+12V
AT5.7VREG
27 TO CRT
(CP802B)
CP802A
C634
B2013H02-6P
30 29 31
CLAMP
50V 1 KA
GND
G.OUT
R.OUT
B.OUT
CLAMP OFF
TUNER VIDEO SIGNAL
TUNER AUDIO SIGNAL
PLAYBACK VIDEO SIGNAL
F G
H
8
7
6
5
4
3
2
1
2
3
4
PCB250
5
TMB555
6
1
H
G-14