Deh-P3950Mp/Xu/Es - Pioneer DEH-P3950MP Service Manual

5
- Pin Functions (PN5011A)
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3 7 63 1515 0
Pin No. Pin Name
1 SWVDD
2 ILMPW
3-6 NC
7 FLMD0
8 VDD
9 M_REGC
10 F_REGC
11 VSS
reset
12
13,14 NC
15 SYSPW
16 CDRESET
17 BRST
18 BRXEN
19 BSRQ
20 BSI/TSI
21 BSO
22 BSCK/TSCK
DPDT/SELFDO
23
24 KEYDT/SELFDI
25,26 NC
27 ASENBO
28 IPPW
29 IPTX
30 IPRX
31 EVSS
32 EVDD
src
33
dsens
34
TE
asens
35
L 13942296513
bsens
36
37 NC
38 BU_SIB
39 BU_SOB
40 BU_SCK
41 BU_A0
42 BU_STB
43 BU_HSFLG
44 MUTE
45,46 BU_MODE1,0
47 PWROFF
48 RESETOUT
49 BU_REGC
50 BU_VDD
51,52 BU_X2,1
53 BU_VSS
54 PLL_GND
55 PLL_VDD
bu_reset
56
57 DVDD3
58 DGND2
59 L_OUT
60 R_OUT
61 COMP
62 SL
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I/O Format
O C
O C
I
I
O C
O C
O C
I/O C
I C
I C
O C
I/O C
O N
I C
O C
O C
O C
I C
I C
I C
I C
I C
I C
O C
I/O C
O C
O C
I C
O C
I
O
O
I
I
I
I
I
I
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Function and Operation
Power supply output for display microcomputer
Illumination power output
Not used
Self-rewriting applied voltage input 0(self mode : H)
VDD
Regulator output capacitance stabilizing connection of masked ROM built-in item
Regulator output capacitance stabilizing connection of flash memory built-in item
GND
System reset input
Not used
System power output
CD mechanism RESET output
P-BUS : Reset output
P-BUS : Reception enable input/output
P-BUS : Service request input
P-BUS : Serial data input/Test data input
P-BUS : Serial data output
P-BUS : Serial clock output/Test data clock synchronizer output
Data output for display microcomputer/Data output for self-writing
Key data input from display microcomputer/Data input for self-writing
Not used
Slave ACC sense output
IPBUS : Driver power supply control output
IPBUS : Data output
IPBUS : Data input
GHC for external
VDD for external
Source key
Detach sense input
Q Q
ACC sense input
3 6 7 1 3
Backup sense input
Not used
Data reception from backup circuit
Data sending to backup circuit
Communication clock with microcomputer for backup circuit
Backup circuit register control
Backup circuit register control
Clock timer signal polling from backup circuit
System mute output
VSS fixed(mode specification terminal for backup circuit test)
External power-off control
Reset signal output for microcomputer
Regulator output capacitance stabilizing connection for backup circuit(1.5 V)
Power supply for backup circuit(3.3 V)
Input of oscillator circuit for clock timer(4.718 59 MHz)
GND for backup circuit
Terminal for TUNER only
Terminal for TUNER only
Backup circuit reset input
Terminal for TUNER only
Terminal for TUNER only
Terminal for TUNER only
Terminal for TUNER only
Terminal for TUNER only
Terminal for TUNER only
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DEH-P3950MP/XU/ES

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