Toshiba MD14F52 Service Manual page 52

A B
8
FROM REGULATOR
DVD_Y
DVD_C
P.CON+5V
7
P.CON+8V
FROM/TO POWER
GND
P.CON+8V
PROTECT
TO CRT
CP802A (CP802B)
B2013H02-6P
6
6 CLAMP OFF
5 B.OUT
4 R.OUT
3 G.OUT
2 GND
R638
1 CLAMP
820 1/4W
P.CON+5V
ACL
SYNC_VIDEO
5
FROM/TO MICON/TUNER
HD
VD
OSD_B
OSD_G
OSD_R
OSD_Y
SDA
SCL
POWER_ON_H
4
VIDEO_OUT
TUNER_VIDEO
TUNER_AUDIO
PROTECT
CPU_RESET
SYNC_VIDEO
H_CONTROL
FSC_OUT
FROM/TO DEFLECTION
V_RANP_FB
3
V_OUT
ACL
AFC
H_OUT
FROM/TO IN/OUT
FRONT_VIDEO
DVD_A_OUT_L2
DVD_A_OUT_R2
2
VIDEO_OUT
FROM STEREO
JACK_AUDIO_L
JACK_AUDIO_R
TO SOUND AMP
SW_A_OUT_L
SW_A_OUT_R
1
A B
G-23
C D
CHROMA SCHEMATIC DIAGRAM
L601
100uH 0305
0
R646
6.0
SW 33K 1/4W
0
Q602
KTC3875S_Y_RTK
29
R609 330
30
R610 330
31
R643 330
R602
27K 1/4W D601 R605
5.6K
1N4005-EIC
C644_1
1
W822
W827
W832
C605_1
1 B
28
X602
C632 100CT3R505
R619
18P CH 3.579545MHz
R625
47K
2.2M
C631
0.015 B
C630
R618
8.2K 50V 0.47
C601_1
1 B
R603
2.7K 1/4W
W843
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)
L603
C643
100uH 0305
16V 100 KA
C609 C628
0.01 B
C608 16V 100 KA
0.1 B
IC601 M61277FP-DF0H 8.0
8.0
R641 R612
HI VCC DEF VCC
2.1 8.2K
1.8K 1/4W
2.2
R OUT H OUT
0.9
2.1
G OUT FBP IN
0
2.1 C616
B OUT DEF GND
0.01 B
C610
3.5 R611
1.8
ACL AFC FILTER
50V 1 KA 6.8K
C612
0.8 3.5
MONITOR OUT HVCO F/B
0.01 B
3.1
C607
3.3
AUX2(R) IN VRAMP CAP
B 63V 1 MKT
3.9
5.0
HD OUT VRAMP OUT
4.8
R644
3.9
VD OUT VRANP F/B
27K
C615
0 2.9
OSD B IN AUDIO ATT FILTER
50V
1 KA
0 3.2
OSD G IN AUDIO ATT OUT(L)
W867
0 2.9
OSD R IN FSC OUT
C645
0 3.1
AUX1(R) IN
FASTBLK
50V 1 KA
C642
4.6 2.2
SDA Y(Y/C) IN
50V 1 KA
C641
4.8 2.3
SDL C(Y/C) IN
0.1 B
2.4 VIDEO LINE OUT 3.5
AUDIO ATT OUT(R)
0
3.1
V/C GND SPINAU MONO IN
NC
C618 27
3.2 2.4
XTAL 358 CVBS1 IN
50V KA 1
C625
2.9 3.1
C APC AUX1(L) IN
50V 1 KA
C621
2.1 2.0
CVBS3 IN CVBS2 IN
NC 50V 1 KA
KA
3.1 5.0
AUX2(l) IN V/C VCC
C604
16V 100 KA
C638
16V 100 KA
C633
0.01 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F G
P.CON+8V
33
R650
H_OUT
1K 1/4W
34
AFC
SW
Q601
0 KTC3875S_Y_RTK
H_CONTROL
5.0
5.0
4.4
4.3
9.0
SW
Q605
KRA102SRTK
P.CON+8V
32
R614
V_OUT
100 1/4W
V_RANP_FB
C626
SW_A_OUT_L
50V 2.2 KA
FSC_OUT
W850
DVD_A_OUT_R2
DVD_Y
DVD_C
C627
SW_A_OUT_R
50V 2.2 KA
TUNER_VIDEO
W853
DVD_A_OUT_L2
FRONT_VIDEO
L604
P.CON+5V
10uHTSL0808
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
5
4
3
2
PCBD20
CME066
1
H
G-24