![Toshiba MD20FM3 Service Manual Download Page 56](http://html.mh-extra.com/html/toshiba/md20fm3/md20fm3_service-manual_431325056.webp)
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
IC751
TC90A45P
COMB FILTER IC
1
10
11
12
13
14
15
16
2
3
4
5
6
7
8
9
DURING PLAYBACK
MEASURED WITH THE DIGITAL TESTER
NOTE:
THE DC VOLTAGE AT EACH PART WAS
L752
15uH
L753
15uH
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
L758
100uH
0305
L751
100uH
0305
L755
100uH 0305
TUNER VIDEO SIGNAL
Q752B
2SA1037AK
BUFFER
Q753
2SA1037AK
BUFFER
C785
220
6.3V
YK
C751B
220
6.3V
KA
C783
2.2
50V
KA
C765
0.47
50V
KA
C793
0.1 B
C774
100P CH
C752
0.01
B
C773
180P
CH
C770
0.1
B
C759
0.01
B
C755B
0.01
B
C763
0.01
B
C756
56P
CH
C790
0.1 B
C760
0.01
B
C768
0.01
B
C764
0.01
B
C771
56P
CH
C766
22P CH
C762
47P
CH
C758
27P CH
C786
0.01
B
C769
0.01
B
C779B
0.1 B
R754B
180
R759
47
R755B
820
R757B
680
R760
1K 1/4W
R761B
1K
R753B
6.8K
R773B
6.8K
R751B
100
R752B
100
1/4W
R756B
820
R775B
820
R763
2.2K
R762
100
C775
220
6.3V
KA
Q751B
2SC2412K
BUFFER
Q754
2SC2412K
BUFFER
W863
W831
W830
W858
W832
W829
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
PLAYBACK VIDEO SIGNAL
MONITOR_V
P.CON+9V
P.CON+A5V
GND
FSC
COMB_C_OUT
COMB_Y_OUT
FROM AV SW
FROM POWER
FROM/TO VIF/SIF/CHROMA
TMA503
PCB250
COMB FILTER
DYNAMIC
BPF
BPF
1/2
DAC
PLL
SYSTEM CLOCK
D.VCC
D.VSS
V.FIL
BIAS3
BIAS2
A.VDD
VRB
A.VSS
VRT
TEST
BIAS1
MEMORY
1H LINE
CLAMP ADC
KILLER
COLOR
BPF
DAC
0
5.1
1.5
3.9
3.5
2.3
0
5.1
0
1.2
2.9
2.3
0
2.2
1.6
0
2.3
2.3
2.2
2.6
5.2
1.9
4.8
5.2
1.6
4.8
2.0
1.4
51
50
49
COMB FILTER SCHEMATIC DIAGRAM
(AV PCB)