Toshiba MD14F51 Service Manual page 47

A B
8
FROM/TO REGULATOR
DVD_Y
DVD_C
P.CON+5V
7
P.CON+9V
AT5.7VREG
SWD_V_OUT
8.5VREG
FROM/TO DEFLECTION
VD
V.OUT
ACL
AFC
6 H.OUT
FROM/TO IN/OUT
SWD_VIDEO
FRONT_VIDEO
W827
SCL
W832
SDA
FROM POWER
UNREG+12V
GND
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
1
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-13
C D
VIF/SIF/CHROMA SCHEMATIC DIAGRAM
C4227
50V 1 KA
NC NC NC
0 0 0 5.2 0
48 47 46 45 44 43
CHROMA IC
IC601
NC
0
LA76319NM-MPB-E
REG
5.2 SW
CLMP
5.2
NC VIDEO
0 SW
NC
AUDIO
5.2
R630 SW
BPF
1K 1/4W 5.2
BUS
3.4
TRAP
3.4
ATT
LPF
3.4
NC
OSD
0
CONTRAST
5.0
NC
0
NC
0
NC REG-SW
0
NC RST 5V/8V-REG
0
NC
0
1 2 3 4 5 6
0 0 0 5.0 6.0
NC NC NC
0
R634 2.5
4.7K
SW
0.2
Q602
2SC3052-T1
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 28
22K
C628
NC NC
50V 0.47 KA
5.2 2.5 2.5 4.5 3.9 0 3.4 5.0 3.0 3.5 2.6
42 41 40 39 38 37 36 35 34 33
NC
0
0
C622
2.5
VXD APC1 FSC 50V 1 KA
CLMP
2.5
TINT
C601
HOR
0
0.1 B
VCO
AF
YC SN ACC CEMO
X-RAY
SW
0
R619
1/256
CL BS
V/Y RGB COLOP
1.7
4.7K +-1%
SW SHARP SG MATRIX CLAMP HOR
C/D
5.9
DC REST CONTRAST SYNC FBP
BRIGHT AFC1 NC
SEP
0
R616
VER AFC2
OSD 1.0
SEP
100 1/4W C619
SW
VER PHASE 2.7
50V 1
C/D SHIFTER
ORIVE/OUT-OFF
5.2
VER HOR HOR
RAMP VCC OUT
CLMP
ABL/ACL 2.4
2.9
3.0
0
7 8 9 10 11 12 13 14 15 16
8.6 2.6 0 2.8 3.4 8.6 0 8.0 3.7 3.5 3.5
NC
NC
R608
L601
6.8K
100uH 0305
R605
27K
CAUTION: DIGITAL TRANSISTOR PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
B.SIGNAL
G.SIGNAL
R.SIGNAL
E
F G
S002X
R622
DVD_Y
390 1/4W
34
R618
AFC
220 1/4W 33
H.OUT
C618
0.015 B
R615
KA 4.3K
R613
P.CON+9V
100 1/2W
0
7.6 H_CONTROL
SW
7.9
Q601
2SC3052-T1
7.7
P.CON+5V
7.9
SW
7.7
Q605
RT1P141C-T112-1
32
V.OUT
P.CON+5V_B
P.CON+9V
8.5VREG
D603
ACL
1N4005-EIC TUNER_VIDEO
UNREG+12V
AT5.7VREG
TO CRT
27
CP802A (CP802B)
C634
B2013H02-6P
30 29 31
CLAMP 1
50V 1 KA
GND 2
G.OUT
3
R.OUT 4
B.OUT 5
CLAMP OFF 6
TUNER VIDEO SIGNAL
PLAYBACK VIDEO SIGNAL
F G
H
8
7
6
5
4
3
2
PCBD20
CMD010
1
H
G-14