Bmute - Pioneer DEH-P90HDD Service Manual
High power hdd/cd player with "memory stick" and fm/am tuner
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Also See for DEH-P90HDD:
- Operation manual (94 pages) ,
- Installation manual (6 pages) ,
- Operation manual (168 pages)
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DEH-P90HDD,P900HDD
- Pin Functions(PD5704A)
Pin No.
Pin Name
1-2
NC
3
VST
4
VDT
5
VCK
6
7
MCKRQ
8
MUTERQ
9
10
11
12
13
14
NC
15
BMUTEIN
16
SPRQ
17
BRST
18
AQTEST
19
MUTEIN
20-22
NC
23
SPDT
24
DSPOUT
25
DSPIN
26
DSPCK
27
NC
28
BSO
29
BSI
30
BSCK
31
NC
32
BSRQ
33
BRXEN
34
NC
35
DSPON
36
CD_ANLG
37
CDFS1
38
CDFS0
39
TESTIN
40
DSPPW
41
NC
42
MICSENS
43
DSENS
44-49
NC
50
ROTB
51
ROTA
52
NC
53
DACPD
54
DACDEM1
55
DACDEM0
56
PLCKOUT
57
FSSEL
58
MCKRQ2
59
MODEL
60
DSPRST
61
MCKOUT
62
LEV_CH
63
DSPMS
126
I/O
Format
Function and Operation
C
Not used
O
C
Output of electronic volume strobe
O
C
Output of electronic volume data
O
C
Output of electronic volume clock
CNVss
I
C
Input of request for master clock
O
C
Output of hard muting
I
Input of hard reset of the microcomputer
O
Output of system clock
GND for the microcomputer
I
Input of system clock (10MHz)
Power supply to the microcomputer
Not used (1k pullup)
I
C
Information on digital source clock error
I
C
Input of spectrum analizer request
I
C
Input of PBUS reset
I
C
Request for starting AEQ evaluation mode
I
C
Input of information on system muting
Not used
O
C
Output of data of spectrum analizer
O
C
Output of DSP serial data
I
C
Input of DSP serial data
O
C
Output of DSP serial clock
Not used
O
C
Output of PBUS serial data
I
C
Input of PBUS serial data
I/O
C
Input/output of PBUS serial clock
Not used
I/O
C
PBUS service request
I/O
C
PBUS receivable information
Not used
O
C
Information on completion of DSP initialization
I
C
Information on CD digital analog
I
C
Information on CD/MP3 sampling 2
I
C
Information on CD/MP3 sampling 1
I
C
Request for starting test program
O
C
Output of power supply to DSP
Not used
I
C
Input of microphone sensing
I
C
Information on detaching the front panel
Not used
I
C
Input of information on rotary volume B
I
C
Input of information on rotary volume A
Not used
O
C
Switching of DAC power
O
C
Switching of DAC de-emphasis 2
O
C
Switching of DAC de-emphasis 1
O
C
Request for output of PLL clock
O
C
DSP: output of request for switching of FS
I
C
HDD,MS: request for clock while REC
I
C
Information identifying the model
O
C
System reset of SONY DSP
O
C
Request for output of master clock
O
C
Information on average level of spectrum analizer
O
C
Switching between master/slave of SONY DSP
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