Pioneer FX-MG8247ZT/ES, Service Manual

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FX-MG8247ZT/UC
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F
A
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E
7.2 PARTS
7.2.1 IC
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Pin Functions (PD5970A)
Pin No. Pin Name I/O Function and Operation
1 SL I Signal level input
2 Not used
3 LDO I RDS signal input
4 KLIGHT O Lamp power supply control output
5 LDO O LCD driver data output
6 LDI I LCD driver data input
7 LCK O LCD driver clock output
8 BYTE I Connect to VSS
9 CNVSS I Connect to VSS
10
ilmsw
O Illumination power supply control 2 output
11 BLSW O Illumination power supply control 3 output
12
reset
I Reset input
13 XOUT O Crystal oscillating element connection pin
14 VSS GND
15 XIN I Crystal oscillating element connection pin
16 VDD Power supply terminal
17
nmi
Connect to VDD
18
rck
I RDS clock input
19 NC Not used
20
cdej
I CD eject key sense input
21 RX2 I BUS data input
22 IPPW O BUS driver power supply output
23
ilsens
I Illumination sense input
24
drst
O RDS decoder reset output
25 ROMDT O Data output for ROM correction
26 ROMCLK O Data clock output for ROM correction
27 ROMCS O Chip select output for ROM correction
28 NC Not used
29 RX1 I BUS data input
30 TX O BUS data output
31 PDO O Data output for PLL IC
32 PDI I Data input from PLL IC
33
pck
O Data clock output for PLL IC
34 PCE O Chip enable output for PLL IC
35 BSO O P-BUS data output
36 BSI I P-BUS data input
37 BSCK O P-BUS data clock output
38 BRXEN I/O P-BUS reception enable input/output
39
brst
I/O P-BUS reset input / output
40
bsrq
I P-BUS service request input
41 ANTPW Antenna power supply control output
42 RDT I RDS demodulation data input
43 FMPW O FM power supply control output
44 AMPW O AM power supply control output
45
swvdd
O SWVDD power supply control output
46 INH O Back light regulator inhibit output
47 SW2 O SW select output
48 ANSW O Analog switch control output
49 CDILL1 O CD illumination control output
50 TAPEMUTE O TAPE mute control output
51 MUTE O BUS mute output
52
ilmpw
O Illumination power control output
53
sysmute
O System mute output
54
power
I POWER key input
55 ENC1+ I VOL e)input
56 ENC1- I VOL encoder(-)input
57
mode
I AUDIO mode key input
NC
I