Memorex MVDT2002SM Service Manual page 71

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
1 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-25
C
REGULATOR SCHEMATIC DIAGRAM
8.0
5.7
AT+5V OUT
Q3003
KTC3209_Y 5.0
7.0
BACKUP+5V
C3005
Q3014 5.6
KTC3209_Y
5.0 6.3V 470 YK
C3002_1
10V 100 YK
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
IC3004
KIA278R05PI
IN OUT GND SW
1 2 3 4
8.0 5.0 0 5.0
R3008
220
1/4W
L3001
5.0 3.3
10uHTSL0808 3.3V OUT
4.0 Q3005
KTB1366
4.0
5.0
3.6 3.6
3.3V CTL
Q3004 3.3V CTL
2SC2412K 3.8
3.8 Q3006
2SC2412K
HS3001
763WAAA077
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
MEASURED WITH THE DIGITAL TESTER
DANGEREUSES AN POINT DE VUE SECURITE
DURING PLAYBACK.
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
C
D E
(VCR PCB)
R3001
100 1/4W 11EQS04TA1B2
P.CON+5V_A OUT IC
IC3003
KIA278R05PI
IN OUT GND SW
BUFFER 5.0
1 2 3 4 5.0
Q3015
2SC2412K
7.5 5.0 R3015 0 5.0
180
5.0
1/4W
W809
P.CON+9V_D OUT IC
P.CON+5V_D OUT IC
IC3002 KIA278R09PI
IC3001 KIA278R05PI
IN OUT GND SW
IN OUT GND SW
1 2 3 4 1 2 3 4
0
8.0 5.0 0 5.0 12.0 9.0 5.0
R3014
R3009
R3022
470
560
1/4W
4.7
1/4W
5.0
5.0
5.0
R3026
220
SW
0
Q3011
2SC2412K
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
ETANT CAUTION
: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
D3005
+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
1W
P.CON+5V_D
TO SOUND AMP/SURROUND
P.CON+8V
P.CON+5V
FROM/TO CHROMA/IF
P.CON+3.8V
8.5VREG
BUFFER
Q3001 AT5.7VREG
2SC2412K R3007
DVD_H
P.CON+8V
15K
P.CON+5V
P.CON+5V_C
SW
Q3008
DTA143EKA
P.CON+5V
5.0 5.0
0
0
TO Hi-Fi/DEMODULATOR
5.0
SW
Q3009 P.CON+5V_A
0
DTC114EKA
P.CON+12V
TO DVD IN/OUT
R3016
VCR_POWER_H
AT+5V
10K
P.CON+12V
P.CON+3.8V
P.CON+5V_D
P.CON+9V_DH
P.CON+5V_C
P.CON+12V
AT+30V
CAUTION: DIGITAL TRANSISTOR
ARE
F G
H
8
7
6
5
4
3
2
PCB010
VMC293
CAUTION: DIGITAL TRANSISTOR
1
H
G-26