Toshiba 27A51 Service Manual page 27

A B
8
FROM/TO COMB FILTER
CP1501
6035B-06Z002-T
7
6 MONITOR V.OUT
5 Y IN
4 C IN
34
3 GND
2 FSC
1 P.CON+5V
FROM/TO POWER
6
P.CON+9V
P.CON+5V
GND_POWER
C714
16V 10 KA
5
FROM/TO CHROMA/IF
FSC_OUT
TUNER_AUDIO_L
TUNER_AUDIO_R
TUNER_VIDEO
L701
100uH
0607
C.OUT
BUFFER
4
Q701
2SC2412K
C729
Y.OUT
50V 0.47 KANP
FROM/TO SOUND
32
AUDIO_L
AUDIO_R
3
FROM/TO MICON/TUNER
EXT_MUTE
CV_IN
SCL
SDA
FROM/TO VIDEO SWITCH
S_Y_VIDEO
2
S_C_VIDEO
REAR_VIDEO2
REAR_VIDEO1
TUNER_VIDEO
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
1
IS NON POLAR ONE.
A B
C
AV SCHEMATIC DIAGRAM
(MAIN PCB)
L703
47uH
0305
C713 R751
R752 16V 10 KA 1K
1K
AV SW
IC701 MM1311AD
C708
C707 1 B 5.4 4.7
C730
1 B
5.2 5.4
0.1 B
5.4 4.8
30
5.4
2.5
C731
C733
Vcc
C723
16V 100 YK
9.0 0.01 B 9.0 4.7
31
R722
3.1 150P CH
S1
0
1.5K 4.0
2.5
C735
BIAS
4.7
16V 22 KA 4.8
5.4
5.8
4.7 4.8
33
4.7 5.4
4.8 4.8
GND S2
0
0
4.7 4.8
MUTE
0 5.4
R719
SCL
5.0 5.4
220
R701
SDA ADRESS
220 5.0 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
FROM/TO CHROMA/IF
CD701A
CH243001
C715 R713
5.2
C705 16V 470 YK 68
4.6 BUFFER
Q709
16V 47 KANP
2SA1037AK
0
C728 R723
1 B 470 1/4W
C712 R711
1 B 3.9K 1/4W
C750 R714
1 B 470
C721 R728
1 B 3.9K 1/4W
C748
0.1 B
R715
D711
1K
C747 R770
MTZJ6.2B
1 B 470 1/4W
C745 R749
1 B 3.9K 1/4W
C722 R717
1 B 470 1/4W
C746 R748
1 B 3.9K 1/4W
C737 R716
1 B 470
C738
1 B
C739
1 B
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
YUV_IN(REAR)
J704
AV3-19D-5
28
29
A/V_OUT(REAR)
J203
AV3-19DS-1
LINE2(REAR)
J703
AV3-19DS-1
LINE1(REAR)
J701
AV3-19DS-1
S-JACK
J702
YKF51-5503
PCB170
TEAA68
BUFFER
Q704
2SC2412K
8.8
2.8
5.4
BUFFER
Q705
CD702 2SC2412K
CP702A CP702B
CU252002
A2001WV2-5P B2013H02-5P 8.8
FRONT.VIDEO 1 1 FRONT.VIDEO
FRONT.AUDIO.L 2 2 FRONT.AUDIO.L
5.4
FRONT.AUDIO.R 3 3 FRONT.AUDIO.R
GND 4 4 GND
P.CON+9V 5 5 P.CON+9V
PCB010
TMA509
AUDIO SIGNAL
TUNER AUDIO SIGNAL
TUNER VIDEO SIGNAL
COLOR SIGNAL
LUMINANCE SIGNAL
F G
H
8
7
6
5
4
FRONT-VIDEO
J705
AV1-06D-3
FRONT-AUDIO.L
3
J706
AV1-06D-4
C724 R732
50V KA 1 3.9K
FRONT-AUDIO.R
J707
AV1-06DS-2
C725 R739
2.8
50V KA 1 3.9K
2
1
H