Toshiba SDV391U Service Manual page 120

A B
8
FROM/TO OPERATION
CP652 (CP601)
TOC-G12X-A1
7
12 FRONT V IN
11 GND
10
FRONT A IN L
9 GND
8 FRONT A IN R
7 GND
6 KEY-A
5 KEY-B
4 POWER LED
3 GND
2 REM IN
1 AT+5.2V
6
5
W841
4
3
2
CAUTION: DIGITAL TRANSISTOR
1
A B
H-15
C D
OPERATION/DISPLAY SCHEMATIC DIAGRAM
FRONT_V_IN
SEG1 SW
Q664
DTC124EKA
FRONT_A_IN_L
R674
0 1.9
FRONT_A_IN_R
1G SW 180
Q665
2.0
KTA1504S_Y_RTK
5.2 1.7
SEG2 SW
Q663
4.9
DTC124EKA
R673
0 0.4
REM_IN
SEG3 SW
180
AT+5.2V
Q662
4.0
DTC124EKA
R672
0 0.4
2G SW
180
Q661
4.0
KTA1504S_Y_RTK
5.2 1.7
SEG4 SW
4.9
Q660
DTC124EKA
0 1.1
SEG5 SW
4.0
DTC124EKA
0
3.0
KEY-A
KEY-B
VCR_LED
0
R683
5.2
270
CAUTION: DIGITAL TRANSISTOR
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C D
E
(VCR PCB)
V651 ELF-4M6SDRSOWB/S428
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
SEG10 SW
Q652
DTC124EKA
R662
0.9
SEG9 SW
180
Q653
4.0
DTC124EKA
R663
0.4 0
5G SW
180
Q651
4.0
KTA1504S_Y_RTK
R670
1.3 5.2
SEG8 SW
180
Q658 Q655
4.9
DTC124EKA
R668 R665
1.0 3.5 0
SEG7 SW
3G SW
180 180
Q656
Q659
0
DTC124EKA
KTA1504S_Y_RTK
R666
5.2 1.7 3.1 0
SEG6 SW
4G SW
180
Q657 Q654
4.9
0
DTC124EKA KTA1504S_Y_RTK
R667
0 0.4 1.7 5.2
180
4.0 4.9
DVD LED SW
Q666
DTA124EKA
5.2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
E
F G
FROM/TO SYSCON
0
TO HI-FI/DEMODULATOR
TO Y/C/AUDIO/CCD/HEAD AMP
GND
D656
1N4005-EIC
AT+5.2V
AUDIO SIGNAL(REC)
RECORD COLOR SIGNAL
RECORD LUMINANCE SIGNAL
F G
H
8
7
DVD_LED
VCR_LED
1G/VCR/T-REC_LED
2G/DUB/REC_LED
3G/TV/VCR_LED
4G/VSC_LED
5G/CS/BS_LED
SEG_1
6
SEG_2
SEG_3
SEG_4
SEG_5
SEG_6
SEG_7
SEG_8
SEG_9
SEG_10
REM_IN
KEY-B
KEY-A
5
FRONT_A_IN_L
FRONT_A_IN_R
4
FRONT_V_IN
FROM POWER
LEM_VCC
AT+5.2V
GND
3
2
PCB010
VMC300
1
H
H-16