Toshiba 27A45 Service Manual page 34

A B
8
FROM/TO CHROMA
V_IN[YUV]
U_IN[YUV]
Y_IN[YUV]
VIDEO_OUT
VIDEO_IN2
VIDEO_IN1
VIDEO_IN3
7
6
FROM/TO TUNER/STEREO
5
J_AUDIO_OUT_R
J_AUDIO_OUT_L
C702
AUDIO_IN1/2[R]
C701
25V 10 KA
AUDIO_IN1/2[L]
25V 10 KA
AUDIO_IN3[L]
AUDIO_IN3[R]
4
FROM/TO MICON
EXT_MUTE
AUDIO_SW
S_IN
3
TO COMB FILTER
S_VIDEO_IN[Y]
S_VIDEO_IN[C]
2
FROM POWER
P.CON+12V
GND
1
A B
G-13
C
AV SCHEMATIC DIAGRAM
R704
C707
25V 10 KA 1K
R702
220 1/4W
C710 5.2
4.6
BUFFER
Q709
16V 47 KANP
KTA1504S_Y_RTK
0
AUDIO SW(R) IC
IC701 MM1501XNRE
0 4.5
SW1 Vin1
3.7 0
V.OUT GND
R701
12.7 4.5
Vcc Vin2
560 1/4W
AUDIO SW(L) IC
IC702 MM1501XNRE
0 4.5
SW1 Vin1
3.7 0
V.OUT GND
12.7 4.5
Vcc Vin2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(MAIN PCB)
28
29
C711
R708
25V 10 KA 1K
MUTE
0.2
R703 R711 Q711
0.1
KTC3875S_Y_RTK
2.2K 1K 0.2
0 R710
0.1 MUTE
Q712
1K 1/4W
KTC3875S_Y_RTK
0
C727 R734
C724 R728
1 B
1K
1
B 1K
C725 R733
1 C722
B
1K
1
B
C733
16V
C719 R745
1 B 1K
C720 R746
1 B
1K
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.
D E
F G
YUV_IN(REAR)
J704
MSP-213V1-652_NI
A/V_OUT(REAR)
J708
MSP-213V2-432_NI
C728
R721
16V 470 YK 68
LINE2(REAR)
J703
MSP-213V2-432_NI
LINE1(REAR)
J701
MSP-213V2-432_NI
R726
1K
S-JACK
J702
YKF51-5503N
22 KA
C734
0.1 B
FRONT-VIDEO
J705
MTJ-032-03A-30FE
FRONT-AUDIO.L
J706
MTJ-032-03A-32FE
LINE3_A_IN_L
FRONT-AUDIO.R
J707
MTJ-032-03A-31FE
LINE3_A_IN_R
PCB010
CMD016
F G
H
8
7
6
5
4
3
2
1
H
27A45/27A45C
G-14