Toshiba SD-25VLSR Service Manual page 134

A B
8
7
6
FROM/TO OPERATION
CP652
TOC-G12X-A1
12 FRONT V IN
11 GND
10 FRONT A IN L
9 GND
8 FRONT A IN R
7 GND
6 KEY-A
5
5 KEY-B
4 VCR LED
3 GND
2 REM IN
1 AT+5.2V
4
R663
330 1/4W
0.6
FROM/TO OPERATION1/LED
5.1
CP651 (CP681)
DVD LED SW
5.1
IMSA-9604S-05F
Q651
5 DVD LED
DTA124EKA
3
4 GND
3 AT+5.2V
2 KEY-A
1
KEY-B
2
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
H-17
C
DISPLAY SCHEMATIC DIAGRAM
SEG1 SW
Q652
DTC124EKA
R653
0 1.4
1G SW 180
Q653
FRONT_V_IN 0
KTA1504S_Y_RTK
4.4 1.3
SEG2 SW
4.8 Q654
DTC124EKA
0 2.0
R674
FRONT_A_IN-L
SEG3 SW
1.5K 1/4W
1.0 Q655
R675
FRONT_A_IN-R DTC124EKA
0
1.5K 1/4W
KEY-A
2.0
KEY-B
VCR_LED
REMOCON
DVD_LED
W806
KEY-B
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
C
D E
(VCR PCB)
V651 LTG-0366AM-J
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
R656
180
R668
R658
1.3
180
180
2G SW
Q656
KTA1504S_Y_RTK R669
4.3 1.1
180
4.8
SEG7 SW
SEG5 SW
Q662
Q658
DTC124EKA DTC124EKA
R661 R664
0 1.1 2.3 0
180 180 4G SW
3G SW
Q661
3.0 Q659
1.0
KTA1504S_Y_RTK
KTA1504S_Y_RTK
4.5 1.3 1.3 4.4
SEG6 SW
4.8 Q660 4.8
DTC124EKA
R662
0 0.1
180
3.0
KEY-A
CAUTION: DIGITAL TRANSISTOR
D E
F G
1.3
S4/REC
3.0
0 SEG4 SW
Q657
DTC124EKA
1.6
3.0
S8/STB
0 SEG8 SW
Q663
DTC124EKA
SEG10 SW
Q666
DTC124EKA
0.2 0
SEG9 SW
Q665
5.1
DTC124EKA
0.2 0
5G SW
Q664
5.1
KTA1504S_Y_RTK
1.5 4.4
4.9
CAUTION: DIGITAL TRANSISTOR
AUDIO SIGNAL
COLOR SIGNAL
LUMINANCE SIGNAL
F G
H
8
TO Y/C/AUDIO/HEAD AMP
FRONT_V_IN
TO Hi-Fi/DEMODULATOR
FRONT_A_IN-L
7
FRONT_A_IN-R
6
FROM/TO SYSCON/SERVO/TIMER/VPS
S1/T-REC
SEG2
SEG3
S4/REC
SEG5
SEG6
SEG7 5
S8/STB
SEG9
SEG10
GRID1
GRID2
GRID3
GRID4
G5/POWER
KEY-A
KEY-B
REMOCON
DVD_LED
4
VCR_LED
FROM POWER
GND
LEM_VCC
AT+5.2V
3
2
PCB010
VMD350
1
H
H-18