Toshiba 21V13B Service Manual page 24

A B
8
R712 C718
VIDEO OUT
75 1/4W
10V 470 YK
5.2
BUFFER R719
4.5
Q701
KTA1266 47
0
7
SCART_C_IN
VIDEO IN
R733
FOR VCR
10K
6
L701 R702
L IN
22uH
8.2K
L702 R747
L OUT
22uH 100
L703 R709
R IN
5
22uH 8.2K
L705 R748
R OUT
22uH 100
21PIN JACK
J701
4
035_0_8083_00
L710
GND GND
22uH
VIDEO IN VIDEO IN
VIDEO OUT VIDEO OUT
GND GND
R751
GND GND
75 1/4W 21-Y IN
NC
SCART_C_IN 21-R IN
GND GND
GND GND
NC
NC
21-G IN
NC
NC
3 NC
GND GND
FOR VCR FOR VCR
NC 21-B IN
L IN L IN
GND GND
L712
GND GND
22uH
L OUT L OUT
R IN R IN
R OUT R OUT
2
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
1
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NOMAL.
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-5
C
21PIN/AV SW SCHEMATIC DIAGRAM
L713
10uH 0305
C723
16V 10 KA
L711 R701
22uH
75 1/4W
R711 C717
75 1/4W
10V 470 YK
5.2
C724
BUFFER R720
Q702
4.5
KTA1266 47 16V 10 KA
0
R736
10K
L706 R705
22uH 8.2K
L704
L707 R750
22uH
22uH 100 1/4W
L708 R710
22uH 8.2K
L709 R749
22uH 100
CAUTION: DIGITAL TRANSISTOR
C
D E
(MAIN PCB)
VIDEO_SW
IC702 NJM2234L
W853
Vin1 SW1 Vin2 SW2 Vin3 Vcc
1 2 3 4 5
4.9 0 4.9 0 4.9 8.0
C728
16V 10 KANP
25
26
D E
F G
V.OUT GND
6 7 8
4.2 0
C743
16V 10 KA
0
RGB SW
Q711
0
2SC2412K
0
F G
H
8
7
6
FROM/TO SOUND AMP
FRONT_V_IN
SCART_A_IN2_L
SCART_A_IN2_R
SCART_A_OUT2_L
SCART_A_OUT2_R
SCART_A_IN1_L
5
SCART_A_IN1_R
SCART_A_OUT1_L
SCART_A_OUT1_R
FROM/TO MICON/TUNER
AV2
AV1
FORTHD_VCR_2
FORTHD_VCR_1
4
TU/RGB
FROM/TO IF/CHROMA
SCART_C_IN
SCART_V_IN2/Y
SCART_V_IN1
TUNER_V_OUT
SCART_V_OUT2
21_Y
3
21_R
21_G
21_B
2
FROM/TO POWER
P.CON+8V
GND
PCB010
TMA528
1
H
G-6