Toshiba MW20F52 Service Manual page 79

A B
8
FROM/TO MPEG/MICON/DSP/RF_AMP
CP8001 (CD4002)
A2001WV2-13P
1 5V(USB)
USB+5V
2 5V(USB)
3 GND(D)
4
GND(D)
W844
TX
5 TX
W816
RX
6 RX
C8019
7 GND(M)
56P CH
P.CON+6V_DH
8 P.CON+6V
P.CON+5V_D
7 9 P.CON+A5V
DVD+3.8V
10 DVD+3.8V
11 DVD+3.8V
12 GND(A)
SPDIF-134
13 SPDIF
C8017
0.01 B
6
5
FROM/TO AUDIO/VIDEO
CP8002 (CP8101_2)
IMSA-9604S-12C
W887
DVD_VIDEO
12 CVBS
11 GND
DVD_Y/C-C
10 C(CVBS)
9 GND
DVD_Y/C-Y
8 Y
7 GND
6 AUDIO-L
5 GND
4 AUDIO-R
ZERO
4
3 ZERO
DVD_RESET
2 DVD RESET
1 DVD_H
C8020 C8044
100P CH 0.1 B
R8028
DVD_H
1K
C8026
3
1 B
2
1
A B
G-25
C
DVD IN/OUT SCHEMATIC DIAGRAM
S801X S801Y
R8001
4.7K
0
ZERO MUTE SW
Q8007
RT1N241C-T112-1 0
0
ZERO MUTE SW 0.7
0.7
Q8006
2SC3052-T1
0
R8012
4.7K 1/4W
S809X S809Y
R8022
P.CON+12V
10 1/4W
C8070
820P CH
R8023 R8049
10K
10K
0 6.1
4
R8020 C8023 R8024
MIXER IC
50V 2.2 NA IC8004
4.7K 100K 1/4W
NJM4580M
R8021 C8022 R8025
4.7K 50V 2.2 NA 100K1/4W
5
6.1
6.1
C8077
820P CH
R8026 R8048
10K 10K
CAUTION: DIGITAL TRANSISTOR
C
D E
(VCR PCB)
AUDIO SW IC
IC8001 MM1501XNRE
7.8
Vin1
0
GND V OUT
9.3
Vin2
AUDIO SW IC
IC8002 MM1501XNRE
7.8
Vin1
0
GND V OUT
9.3
Vin2
R8054 R8056
10K
8.2K
29
C8004
W851
16V 22 KA
6.1 6.1
3 2 1
-
+
+
-
30
6 7 8
6.1 12.3
C8003
W850
16V 22 KA
R8052 R8053
8.2K 10K
NOTE:THE DC VOLTAGE EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK.
D E
F G
AV_SW1
C8001
W935
AUDIO_OUT_L
25V 10 KA
4.4
SW1
8.6
SW_AUDIO_OUT_L
L8001
12.4
P.CON+12V
Vcc
100uH 0305
C8009
W936
AUDIO_OUT_R
25V 10 KA
4.37
AV_SW1
SW1
8.6
SW_AUDIO_OUT_R
L8003
12.35
P.CON+12V
Vcc
100uH 0305
AT+5V
P.CON+5V_E
DVD_A_OUT_L
DVD_A_OUT_R
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
F G
H
8
TO SOUND AMP/SURROUND
SW_AUDIO_OUT_L
SW_AUDIO_OUT_R
7
TO IN/OUT
SW_AUDIO_OUT_L
SW_AUDIO_OUT_R
ZERO
SPDIF-134
P.CON+5V_E
TO DIGITAL COMB/FILTER
6
DVD_Y/C-C
DVD_VIDEO
TO CHROMA/IF
DVD_Y/C-Y
FROM/TO MICON
TX
RX 5
DVD_RESET
AV_SW1
DVD_H
FROM/TO TV POWER
GND
FROM REGULATOR
4
DVD+3.8V
P.CON+5V_D
P.CON+12V
P.CON+6V_DH
AT+5V
USB+5V
TO Y/C/AUDIO/HEAD AMP
DVD_VIDEO
3
FROM/TO Hi-Fi/DEMODULATOR
DVD_A_OUT_L
DVD_A_OUT_R
AUDIO_OUT_L
AUDIO_OUT_R
2
PCB010
DME069
1
H
G-26