Service - Pioneer DEH-P8400MP Service Manual

DEH-P8400MP
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- Pin Functions (PE5269A)
Pin No. Pin Name
1 FTXD
2 NC
3 BSI
4 BSO
bsck
5
6, 7 DFS1, 2
8 DCKS
9 EVDD
10 EVSS
11 NC
12 DCOPY
crst
13
14-16 CBANK0-2
emph
17
18 DSPMUTE
19 DSET
adena
20
21 IC/VPP
22 BRXEN
bsrq
23
xtalen!
24
xtalen@
25
xrst
26
27 VDCONT
28 CD3VON
29 CONT
TE
L 13942296513
xwait
30
31 LOEJ
32 CLCONT
33 CDMUTE
reset
34
35 XT1
36 XT2
37 REGC
38 X2
39 X1
40 VSS
41 VDD
42 CLKOUT
xwrite
43
uben
44
45 WR/W
xread
46
47 XASTB
48 LOCK
wrst
49
50-57 AD0-7
58 BVDD
59 BVSS
60-67 AD8-15
www xcs
68
wcs
69
70, 71 DBBWRDY0, 1
72, 73 DBBRRDY0, 1
.
74 AVDD
75 AVSS
78
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I/O Format
O C
I
O C
I/O /C
O C
O C
O C
O C
O C
O C
O C
O C
O C
I/O /C
I/O /C
O C
O C
O C
O C
O C
O C
I
O C
O C
O C
I
I
I
O C
O
O
O
O
O
I
O C
I/O /C
I/O /C
O C
O C
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2 9
8
Function and Operation
For rewriting Flash EP-ROM (sending signals)
Open
Input of P-Bus serial data
Output of P-Bus serial data
Input/output of P-Bus serial clock
Output 1, 2 of settings of DA I/F IC sampling frequency
Output for selection of DA I/F IC clock subharmonic number
Positive power supply for E power
Potential of GND of E power
Open
Output of settings of DA I/F IC copy flag
Output of reset control of Compression IC
Output 0-2 of bank settings of Compression IC
Output of information on emphasis
Output of DOUT Mute
Output for lighting the disc set indicator
Output of control of A/D reference voltage supply
IC: connected directly to VSS / VPP: Pull-down
P-Bus receiving enabled
Request for P-Bus service request
Output of permission to oscillate CD LSI 16.9344MHz
Output of permission to oscillate CD LSI 24.576MHz
Output of control of CD LSI reset
Output of control of VD power supply
Output of control of CD +3.3V power supply
Output of control of power supply to servo driver
Q Q
3 6 7 1 3 1 5
Input of control signals of CD LSI wait
Output for switching between LOAD/EJECT directions
Output for switching between driver inputs
Output of control of CD Mute
Input of system reset
Connected to the oscillator for subclock
(connected to VSS via the resistor)
Connected to the oscillator for subclock (Open)
Connected to the capacity stabilizing output of the regulator
(an electrolytic capacitor of about 1µF)
Connected to the oscillator for the main clock
Connected to the oscillator for the main clock
Potential of GND
Positive power supply (5V)
Output of internal system clock (Open)
Output of control signals of CD LSI light
Not used (Open)
Output of Read/Write control signals of WMA decoder
Output of read control signals of CD LSI
Output of CD LSI address strobe
Input of spindle lock
Output for reset control of WMA decoder
Address/Data Bus 0-7
B power supply, positive supply (3.3V)
B power supply, potential of GND
Address/Data Bus 8-15
Output for chip selection of CD LSI
Output for chip selection of WMA decoder
co
Input of write-ready flag with WMA decoder DBBI0, 1
Input of read-ready flag with WMA decoder DBBO0, 1
.
A power supply, positive supply (5V)
A power supply, potential of GND
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9