Toshiba MD9DM3 Service Manual page 49

A B
8
FROM/TO VIDEO ENCORDER
DVD_RESET
MUTE
P.CON+3.3V
7
P.CON+D5V
DGND
SDA
SCL
RESET
MPGSTBY
SI2
SO2
SSC-MRST
SSC-MTSR
CD/DVD
SW1
6
FROM/TO MPEG
HRST
SSC-MRST
SSC-MTSR
SSC-SCLK
SSC-ATN
HD7
HD6
HD5
HD4
HD3
HD2
HD1
HD0
5
HA4
HA3
HA2
HA1
HWR#
MPGCS#
HRD#
MPGIRQ#
MPGRST
MPGSTBY
HRDY
4
3
2
1
A B
G-5
C
SYSCON SCHEMATIC DIAGRAM
B1001
N2012ZP600T25
EEPROM IC
IC1006
BR24C01AF-WE2
0 3.2
A0 VCC
0
0
A1
TEST
R1004
0 5.0
A2 SCL
4.7K
0 R1005
5.0
A3
SDA
R1034
4.7K
4.7K
D1003
D1004 1SS355
1SS355
SI2
D1002
SO2
R1002
1SS355
R1001
4.7K
10K
R1007 1K
C1003
X1001 18P CH
12.5MHz
C1002
18P CH
R1010
8
4.7K
MPGIRQ#
MPGRST
MPGSTBY
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(SYSCON PCB)
NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC
0 0 0 0 0 3.2 3.2 3.2 3.2 3.2 3.2 0 0 0
3.2 5.0 3.2 3.2 0
75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57
0
SI0/PF0
0
SO0/PF1
3.2
SC0/PF2
0
NC SI1/PF3
52
0 74 PD2/AN2/DVDSOS
NC SO1/PF4
51
75 PD3/AN3/INIT5
5.2
SI2/PF5
3.2
SO2/PF6
0
NC
PF7/INT4/ATG#
3.2
NC DACK1/PE7
3.2
NC DACK0/PE6
0
DREQ1/PE5
3.2 SYSCON IC
DREQ0/PE4
IC1001
0.1
ZR36703
INT3/PE3/SC2
3.2
INT2/PE2/SC1
0
VSS
1.5
X1
1.5
X0
3.2
VCC
3.2
INT1/PE1
3.2
INT0/PE0
3.2
1 DREQ2/PB5/CS1L
24
RAS0/PB0
2 DACK2/PB6/CS1H
3.2 25 P20/D16
CSOL/PB1
0
NC CSOH/PB2
0
NC DWOX/PB3
0
NC PB4/EOP2
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
0 0 3.2 3.2 0 3.3 0 3.2 3.2 3.2 3.2 3.2 3.2 3.2 0 3.2 3.2 1.6 3.2 3.2 3.2 3.2 3.2 3.2 3.2
NC
NC NC NC NC NC
JG1002
R1012
1K
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
D E
F G
NC
0 0 0 0 0
56 55 54 53 52 51
0
P47/A07 NC
0
NC
P46/A06
0
P45/A05 NC
1.9
HA4
P44/A04
P51/A09
2.3
HA3
P43/A03
P50/A08
3.2
HA2
P42/A02
0
HA1
P41/A01
C1009
3.2
VCC
3.2 0.1 F
P40/A00
NC
0
HD7
P37/D31
0
VSS
0
HD6
P36/D30
0
HD5
P35/D29
0
HD4
P34/D28
0
HD3
P33/D27
0
HD2
P32/D26
0
HD1
P31/D25
0
HD0
P30/D24
0
P27/D23 NC
0
P26/D22 NC
0
P85/WR1#
P25/D21 NC
0
P24/D20 NC
0
P23/D19 NC
0
P22/D18 NC
3.2
P21/D17
20 21 22 23 24 25
F G
H
8
7
6
5
4
3
2
PCB010
VMA215
1
H
G-6