Pioneer DEH-P920R Service Manual - Page 100

adena, csens, clamp, testin

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DEH-P920R,P9200R,P9250 Pin No. 29 30 31 32, 33 34 35-44 45 46 47 48 49 50 51 52 53, 54 55 56 57 58 59 60 61, 62 63-66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 Pin Name MIRR LOCK CD5VON NC EMPH NC VSS VDD adena VDCONT NC csens BRXEN bsrq NC CONT CDMUTE CDEJET CDLOAD BMUTE clamp NC NC TXARI fsck FTXD FRXD bsck BDATA testin NC TSTB NC tsck TSO TSI AVSS I/O Format Function and Operation I Specular surface detection input I Spindle lock input O C CD +5V power supply control output Not used Open O C Emphasis information output Not used Open GND Power supply(+5V) O C A/D reference voltage supply control output O C VD power supply control output Not used Open I Flap close sense input I/O /C Input/output by which P-Bus can be received O C P-Bus polling request output Not used Open O C Servo driver power supply control output O C CD mute control output O C Load/Eject motor Eject control output O C Load/Eject motor Load control output O C Bus mute output I Disc clamp input Not used Open Not used VDD or VSS I Tx output set selection input O C Flash writing clock input(Open) O C Flash writing data output(Open) O C Flash writing data input(Open) I/O /C P-Bus serial clock input/output I/O /C P-Bus serial data input/output I Test program start input Not used Open O C CD-TEXT strobe output Not used Open O C CD-TEXT serial clock output O C CD-TEXT serial data output I CD-TEXT serial data input A/D GND *PE5011C 20 1 21 80 40 61 60 41 100 Downloaded from www.Manualslib.com manuals search engine

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100
DEH-P920R,P9200R,P9250
Pin No.
Pin Name
I/O
Format
Function and Operation
29
MIRR
I
Specular surface detection input
30
LOCK
I
Spindle lock input
31
CD5VON
O
C
CD +5V power supply control output
32, 33
NC
Not used
Open
34
EMPH
O
C
Emphasis information output
35-44
NC
Not used
Open
45
VSS
GND
46
VDD
Power supply(+5V)
47
adena
O
C
A/D reference voltage supply control output
48
VDCONT
O
C
VD power supply control output
49
NC
Not used
Open
50
csens
I
Flap close sense input
51
BRXEN
I/O
/C
Input/output by which P-Bus can be received
52
bsrq
O
C
P-Bus polling request output
53, 54
NC
Not used
Open
55
CONT
O
C
Servo driver power supply control output
56
CDMUTE
O
C
CD mute control output
57
CDEJET
O
C
Load/Eject motor
Eject control output
58
CDLOAD
O
C
Load/Eject motor
Load control output
59
BMUTE
O
C
Bus mute output
60
clamp
I
Disc clamp input
61, 62
NC
Not used
Open
63-66
NC
Not used
VDD or VSS
67
TXARI
I
Tx output set selection input
68
fsck
O
C
Flash writing clock input(Open)
69
FTXD
O
C
Flash writing data output(Open)
70
FRXD
O
C
Flash writing data input(Open)
71
bsck
I/O
/C
P-Bus serial clock input/output
72
BDATA
I/O
/C
P-Bus serial data input/output
73
testin
I
Test program start input
74
NC
Not used
Open
75
TSTB
O
C
CD-TEXT strobe output
76
NC
Not used
Open
77
tsck
O
C
CD-TEXT serial clock output
78
TSO
O
C
CD-TEXT serial data output
79
TSI
I
CD-TEXT serial data input
80
AVSS
A/D GND
*PE5011C
20
21
40
41
60
61
80
1
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