Toshiba MW20F51 Service Manual page 83

A B
8
7
6
5
4
3
+B
2
NOTE:THE DC VOLTAGE EACH PART WAS
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MEASURED WITH THE DIGITAL TESTER
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
DURING PLAYBACK.
1
A B
G-27
C
REGULATOR1 SCHEMATIC DIAGRAM
8.0
5.7
AT+5V OUT
Q3003
KTC3209_Y 5.0
7.0
BACKUP+5V
Q3014 C3005
5.6
KTC3209_Y
5.0 6.3V 470 YK
C3002
10V 100 YK
W809
R3010
12.0
7.8
18 1W P.CON+8V SW
8.5 Q3002
KTC3209_Y
R3006
100 1/4W
P.CON+5V OUT IC
P.CON+5V_D OUT IC
IC3004
IC3001
KIA278R05PI
IN
IN OUT GND SW
1
1 2 3 4
8.0
8.0 5.0 0 5.0
R3008
220
1/4W
L3001
4.8 3.8
10uHTSL0808
3.3V OUT
4.1
Q3005
KTB1366
3.3V CTL
4.1
4.8
3.1 Q3004 3.1
KTC3875S_
Y_RTK
2.5
2.5
3.3V CTL
Q3006
KTC3875S_Y_RTK
HS3001
763WAA0184
R3002
56K 1/2W
R3005
R3003
4.7K
R3004
56K 1/2W
10K 1/4W
0
12.0 12.0
P.CON+12V SW
Q3007
KTA1281_Y
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(VCR PCB)
W912
R3001 D3005
100 1/4W 11EQS04N
P.CON+5V_A OUT IC
IC3003
KIA278R05PI
IN OUT GND SW
BUFFER 5.0
1 2 3 4 5.0
Q3015
KTC3875S_Y_RTK
7.5 5.0 R3015 0 5.0
270
5.0
1/4W
P.CON+9V_D OUT IC
IC3002 KIA278R09PI
KIA278R05PI
OUT GND SW IN OUT GND SW
2 3 4 1 2 3 4
0
5.0 0 5.0 12.0 9.0 5.0
R3014
R3009
R3028
470 1/4W
330
4.7 1W
1/4W
BUFFER
Q3001
5.0
KTC3875S_Y_RTK
5.0
5.0
SW
Q3008
KRA101SRTK
5.0
0
R3026
SW
220
Q3009
KRC102SRTK
SW
0
Q3011
KTC3875S_Y_RTK
5.0
0
R3020
P.CON+5V_C SW
100 1/4W 5.6 Q3010
KTC3209_Y
10.0 5.0
R3021
D3007
11E1-EIC 22 1W
CAUTION
ETANT :SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
FROM/TO TV POWER
P.CON+12V
MOTOR+12V
UNREG+8V
UNREG+5V
+B
AT5.7VREG
GND
TO DIGITAL COMB FILTER
P.CON+5V
P.CON+12V
P.CON+8V
VCR_POWER_H
AT+30V
TO Y/C/AUDIO/HEAD AMP
P.CON+5V_A
AT+12V
P.CON+8V
P.CON+5V_A
UNREG+5V
BACKUP+5V
AT+5V
P.CON+8V
FROM/TO MICON
VCR_POWER_H
8.5VREG
AT+12V
P.CON+5V_C
DVD_H
AT+5V
BACKUP+5V
P.CON+5V_A
TO IN/OUT
AT+5V
P.CON+5V
P.CON+9V_DH
P.CON+8V
P.CON+5V_D
TO SOUND AMP/SURROUND
P.CON+8V
P.CON+5V
FROM/TO CHROMA/IF
DVD+3.8V
8.5VREG
AT5.7VREG
R3007
DVD_H
P.CON+8V
15K
P.CON+5V
P.CON+5V_C
P.CON+5V
5.0
TO Hi-Fi/DEMODULATOR
0
5.0
P.CON+5V_A
0
P.CON+12V
TO DVD IN/OUT
R3016
VCR_POWER_H
AT+5V
10K
P.CON+12V
DVD+3.8V
P.CON+5V_D
P.CON+9V_DH
P.CON+5V_C
P.CON+12V
AT+30V
CAUTION: DIGITAL TRANSISTOR
ARE CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
5
4
3
2
PCB010
DME034
1
H
G-28