Regulator1 - Toshiba MD20FP3 Service Manual

A B
FROM POWER
8
GND
UNREG+12V
UNREG+8V
UNREG+5V
5V REG IC
GND_A
IC3001 KIA7805API
7
IN GND OUT
1 2 3
8.1 0 5.0
C3004
6.3V 220 YK
9V REG IC
IC3005 KIA7809API
6
IN GND OUT
1 2 3
12.3 0 9.1
5
FROM/TO MPEG/MICON
C3001
CP8001
(CD4002)
A2001WV2-11P
16V 1000 YK
1 GND C3016
2 GND
0.1 F
W819
3 TX
W803
4 RX
5 GND(M)
6 P.CON+9V
7 P.CON+5V
8 P.CON+3.3V
P.CON+5V_A
9 P.CON+3.3V
C3007
4
10 GND
0.1 B
SPDIF-134
11 SPDIF
S001X
NC
3 FROM/TO AUDIO/VIDEO
CP8002 (CP8502)
IMSA-9604S-12Z14
C4223
DVD_VIDEO
12 CVBS
50V KA 1
11 GND
DVD_C
10 C(CVBS)
9 GND
DVD_Y
8 Y(G)
7 GND
DVD_A_OUT_L
6 AUDIO-L
5 GND
DVD_A_OUT_R
4 AUDIO-R
ZERO
3 ZERO
2
DVD_RESET
2 DVD RESET
D3007
1 GND
MTZJ5.6B
CD8002
2H0C1001
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
1
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
A B
G-9
C
REGULATOR1 SCHEMATIC DIAGRAM
L3000
10uH
TSL0808
DRIVER
Q3009
KTA1281_Y
8.0
7.2
DRIVER
R3005
Q3006
KTC3203_Y
DRIVER 1M
Q3002
7.9 8.0 KTA1281_Y
10.8
8.0 7.3
0.6
R3008
10K
P.ON SW
Q3007
4.0 DTC114EKA
0
0
TX
RX
DRIVER
Q3000
KTA1281_Y
13.1 12.6
R3002
12.8
10K 1/4W
DRIVER 12.8
R3023
Q3001
KTC3875S_Y_RTK
5.1
2.2K 1/4W
S001Y
0
5V_REG IC
IC3002 KIA7805API
IN GND OUT
DRIVER
1 2 3
Q3010
8.1 0 4.9
KTC3209_Y
8.6 9.0
R3011
9.4
220 1/4W
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(AV PCB)
3.3V OUT
HS3001
3.9 Q3003
R3006
763WSA0018
KTC4369
8.0
220 1/2W 3.2 3.4
DRIVER
Q3008
KTC3203_Y
8.0
3.6
DRIVER
Q3005
R3010 KTC3209_Y
11.9 9.0
P.CON+9V
33 1/2W
9.6
P.CON+12V
CAUTION
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
D E
F G
TO SOUND AMP
GND
P.CON+9V
P.CON+12V
AT+5.6V
TO STEREO
P.CON+5V
P.CON+9V
GND
P.CON+12V
D3006
11EQS04N
FROM/TO VIF/SIF/CHROMA
8.5VREG
AT5.7VREG
D3008
DVD_Y
5.0
11EQS04N
DVD_C
P.CON+5V
P.CON+9V
GND
AT5.7VREG
TO DEFLECTION
P.CON+5V
GND
FROM/TO MICON/TUNER
GND
POWER_ON_H
8.5VREG DVD_RESET
RX
TX
P.CON+5V
AT+5.6V
DVD_H
TO IN/OUT
P.CON+9V
AT+5.6V
P.CON+5V
P.CON+12V
P.CON+5V_A
SPDIF-134
DVD_A_OUT_L
DVD_A_OUT_R
ZERO
DVD_VIDEO
GND
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F G
H
8
7
6
5
4
3
DIGITAL AUDIO SIGNAL(PB)
2
AUDIO SIGNAL(PB)
PLAYBACK LUMINANCE SIGNAL
PLAYBACK COLOR SIGNAL
PCB250
TMB561
CAUTION: DIGITAL TRANSISTOR
1
H
G-10