Pioneer MEP-7000 Service Manual page 151

Multi entertainment player
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5
V+3R3D
A
R1350
2/5
EXP1IN_OE#
V+3R3D
IC357
TC7SH04FUS1
C379
0.1u
VCC
R1351
INA
OUTY
GND
0
DGND
ADDRESS
DECODER
A
2/5
EXPOUT12_CS#
A
1/5
IO_CPU_LATCHOE#
A
2/5
DEBUG_CS#
5
6
Expand Port Input
C352
0.1u
IC354
TC74LCX574FTS1
0
20
1
Vcc
OE
CONTA2I
19
2
D0
Q0
D0
18
3
D1
CONTA1I
Q1
D1
17
4
D2
CONTB2I
Q2
D2
16
5
D3
CONTB1I
Q3
D3
15
6
D4
EJECT2
Q4
D4
14
7
D5
EJECT1
Q5
D5
13
8
D6
USBOFF2
Q6
D6
12
9
D7
USBOFF1
Q7
D7
11
10
CK
GND
DGND
V+3R3D
Expand Port Output
C351
IC351
0.1u
TC74LCX574FTS1
22
23
1
20
OE
Vcc
2
19
D8
CONTAO
D0
Q0
3
18
D9
CONTBO
D1
Q1
4
17
D10
DACBLTH
D2
Q2
5
16
D11
DACALTH
D3
Q3
6
15
D12
PLAYB
D4
Q4
7
14
D13
PLAYA
D5
Q5
8
13
D14
AMUTEB
D6
Q6
9
12
D15
AMUTEA
D7
Q7
10
11
GND
CK
49
46
DGND
R1352
CW#
0
DGND
For Debug
C353
V+3R3D
IC352
0.1u
TC74LCX574FTS1
1
20
OE
Vcc
2
19
D0
D0
Q0
TPD0
3
18
D1
D1
Q1
TPD1
4
17
D2
D2
Q2
TPD2
5
16
D3
TPD3
D3
Q3
6
15
D4
D4
Q4
TPD4
7
14
D5
TPD5
D5
Q5
8
13
D6
D6
Q6
TPD6
9
12
D7
D7
Q7
TPD7
10
11
R1355
GND
CK
0
For Debug
C354
IC353
0.1u
TC74LCX574FTS1
1
20
OE
Vcc
2
19
D8
TPD8
D0
Q0
3
18
D9
TPD9
D1
Q1
4
17
D10
D2
Q2
TPD10
5
16
D11
TPD11
D3
Q3
6
15
D12
TPD12
D4
Q4
7
14
D13
TPD13
D5
Q5
8
13
D14
TPD14
D6
Q6
9
12
D15
D7
Q7
TPD15
10
11
R1356
GND
CK
0
USBLED1
USBLED2
DGND
SDRAM_FLASH_FPGA_USB_I/O_DATA
6
7
V+3R3D
Q350
2SC4154(EFG)
V+3R3D
R1366
22k
CONTAO
Q351
2SC4154(EFG)
V+3R3D
R1367
22k
IO_DSP_DAC
A
CN350
5:1E
5/5
IO_DSP_LED
V+5D
C356
0.1u
EJECTLED1
EJECTLED2
A
DGND
1/5,2/5,4/5
Alternative Parts List
Q350-353
2SC4154(EFG)
Q354,355
RT1N241M
MEP-7000
7
8
V+5D
V+3R3D
R1370
2:8B
22k
Q352
CNTA1
2SC4154(EFG)
2:8B
Q354
CNTA2
RT1N241M
DGND
V+5D
V+3R3D
Q353
2SC4154(EFG)
R1371
22k
2:8B
CNTB1
2:8C
CNTB2
Q355
RT1N241M
DGND
A
5/5
NOTES
NM
means STANDBY
RS1/16SS***J
RS1/4SA***J
1/4W
CKSSYB or CKSRYB
CCSSCH or CCSRCH
CH
CEVW
CEHVW
H
FRAME GND
DGND
CIRCUIT GND
etc
VKN1948-A
V+5D
1
EJECTLED1
2
DGND
3
EJECT1
4
EJECTLED2
5
6
EJECT2
7
USBOFF2
USBOFF1
8
USBLED1
9
USBLED2
10
2SC4081(QRS)
DTC124EUA
8
A
A
2/5
B
A
2/5
C
D
E
F
A
3/5
151

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