Schematic Diagram - Mb Board (6/7) - Sony HCD-FL7D Service Manual

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Q Q
3 7 6 3 1 5 1 5 0
8-18. SCHEMATIC DIAGRAM – MB Board (6/7) –
(6/7)
D2
D3
MD0
C217
0.01
MD1
C219
0.01
MD2
MD3
MD4
C234
0.01
MD5
MD6
MD7
C239
0.01
MDQM0
MWE
MCAS
MRAS
MCSO
MA11
BA0
BA1
MA10
MA0
MA1
MA2
T E
L
1 3 9 4 2 2 9 6 5 1 3
MDQM2
C242
0.01
MD16
MD17
MD18
C245
0.01
(Page 54)
MD19
MD20
MD21
MD22
C249
0.01
MD23
D4
D5
w w w
D6
D7
.
D8
Note: When replacing IC205 of type A, install IC204 instead of IC205.
MD15
FL202
MD14
C253
0.01
MD13
MD12
C254
10
MD11
MD10
MD9
C238
0.01
MD8
MDQM1
C226
0.01
MCLK
R251
10k
MA9
MA8
MA7
MA6
MA5
MA4
MA3
MDQM3
MD31
C244
0.01
MD30
MD29
MD28
MD27
C248
0.01
MD26
MD25
MD24
IC202
MT48LC4M32B2-7
128Mbit SD-RAM
x
a o
y
i
http://www.xiaoyu163.com
8
FL203
C257
C258
10
0.01
HA17
(TYPE A)
32Mbit FLASH ROM
IC205
MBM29DL324BE
-90PFTN
(NOT SUPPLIED)
HA16
A15
A16
HA15
A14
BYTE
HA14
A13
VSS
HA13
HAD15
DQ15
A12
HA12
/A-1
HAD7
A11
DQ7
HA11
HAD14
A10
DQ14
HA10
HAD6
A9
DQ6
HA9
HAD13
A8
DQ13
HA20
HAD5
A19
DQ5
HA21
R213
0
HAD12
A20
DQ12
HAD4
C263
WE
DQ4
0.01
RESET
VCC
HA22
R261
0
HAD11
R249
A21
DQ11
0
HAD3
N.C.
DQ3
R214
HAD10
0
Q
Q
RY/BY
DQ10
HA19
3
7
6
HAD2
3
A18
DQ2
HA18
HAD9
A17
DQ9
HA8
HAD1
A7
DQ1
HA7
HAD8
A6
DQ8
HA6
HAD0
A5
DQ0
HA5
A4
OE
HA4
A3
VSS
HA3
A2
CE
HA2
A1
A0
HA1
C274
C314
0.01
0.01
u 1 6 3
C356
0.01
.
55
55
http://www.xiaoyu163.com
2
4
9
9
8
(TYPE B)
32Mbit PROGRAMMABLE ROM
C204
IC204
0.01
MR27V3202F
HA21
WE
A20
HA19
HA20
A18
A19
HA18
HA9
A17
A8
HA8
HA10
A7
A9
HA7
HA11
A6
A10
HA6
HA12
A5
A11
HA5
HA13
A4
A12
HA4
HA14
A3
A13
HA3
HA15
A2
A14
HA2
HA16
A1
A15
HA1
HA17
A0
A16
CE
BYTE
VSS
VSS
HAD15
OE
DQ15
HAD0
HAD7
DQ0
DQ7
HAD8
HAD14
1
5
1
5
DQ8
0
DQ14
8
9
2
4
HAD1
HAD6
DQ1
DQ6
HAD9
HAD13
DQ9
DQ13
HAD2
HAD5
DQ2
DQ5
HAD10
HAD12
DQ10
DQ12
HAD3
HAD4
DQ3
DQ4
HAD11
DQ11
VCC
C315
0.01
BUS INTERFACE
IC215
SN74ALVTH16841
m
c o
C355
0.01
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : DVD PLAY
HCD-FL7D
Ver 1.2
2
9
9
9
8
2
9
9
: Impossible to measure

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