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

Multi-cd/md control tuner cd deck amplifier
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FH-P404
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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
www
59
RES
60
NES
stby
61
62
PCL
.
brxen
63
bsrq
64
68
http://www.xiaoyu163.com
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
http://www.xiaoyu163.com
2 9
8
Q Q
3
6 7
1 3
1 5
co
.
9 4
2 8
0 5
8
2 9
9 4
2 8
m
9 9
9 9

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