General Information; Parts - Pioneer FH-P404 UC Service Manual

FH-P404
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3 7 63 1515 0

7. GENERAL INFORMATION

7.1 PARTS

7.1.1 IC
- Pin Functions (PD4947A)
Pin No. Pin Name
1 CE
2–4 NC
5 TESTIN
6,7 GEQ0,1
8 SUBMUT
9,10 NC
reset
11
12 XT2
13 XT1
14 VSS
15 X2
16 X1
17 REGOFF
18 REGC
19 VDD
20 ILMPW
21 SYSPWR
22,23 NC
24 IPPW
25 ASENBO
26 AMPW
TE
L 13942296513
27 FMPW
mute
28
29 NC
30,31 SUBW1,0
32 FIEOUT
33 VCK
34 VST
35 VDT
36 NC
37 ANTPW
38 SD
39 MONO
40 VSS
41 VDD
42–46 NC
dim
47
48 FLPW
49 PLAY
50 NR
51,52 SC1,2
53 CM
54 MSIN
55 DIRO
mtlsw
56
57 LOADSW
58 POS
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59 RES
60 NES
stby
61
62 PCL .
brxen
63
bsrq
64
68
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I/O Function and Operation
O Devise select output
Not used
I Test program mode input
O Preset EQ Control output 0,1
O Sub Woofer mute output
Not used
I Reset input
Not used
Connect to GND
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
VDD
VSS
Power supply
O Illumination power supply control output
O System power supply control output
Not used
O Power supply control output for IP BUS interface IC
O Slave power supply control output
O AM power output
O FM power output
O Mute output
Not used
O Sub woofer control output 1,0
O FIE ON/OFF control output
O Clock output for electronic volume
O Strobe pulse output for electronic volume
O Data output for electronic volume
Not used
O Antenna output
I SD input
O Forced mono output
GND
Power supply
Not used
O Dimmer select output
O FL Power Output
O Tape MS filter select output
O Dolby NR ON/OFF select output
O Cassette mechanism sub motor control output 1,2
O Cassette mechanism capstan motor control output
I Cassette mechanism MS sense input
O Head F/R select output
I Metal switch sense input
I Tape loading input
I Cassette mechanism position sense input
I Cassette mechanism reverse end sense input
x I ao Cassette mechanism forward end sense input u163
y
O Stand-by output
i Not used
I/O P-BUS BUSY input/output pin
I/O P-BUS service request input/output pin
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2 9
8
Q Q
3 6 7 1 3 1 5
co
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9 4 2 8
0 5 8 2 9 9 4 2 8
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9 9
9 9