Pioneer FX-MG6006, Service Manual

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FX-MG6006ZH2
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Pin Functions (PE5170A)
Pin No. Pin Name I/O Format Function and Operation
1 SD I Station detector input
2 VOLUP I Volume up input from encoder
3 VOLDN I Volume down input form encoder
4 GND GND
5 RCE O C FROM chip enable output
6 PCE O C PLL chip enable output
7 AVREF1 D/A converter standard voltage
8 PDI/RDT I PLL data input (EEP ROM data)
9 PDO/RST O C PLL data output (EEP ROM reset)
10 PCK/RCK O C PLL clock output (EEP ROM clock)
11 LDI I LCD driver data input
12 LDO O C LCD driver data output
13 LCK O C Serial clock output for LCD driver
14
brst
O C P-BUS reset output
15
brxen
I/O C P-BUS reception enable input/output
16
bsrq
I P-BUS communication request input
17 BSIO I/O C P-BUS serial data input/output
18
bsck
I/O C P-BUS serial clock input/output
19 LCE O C Chip enable output pin for LCD driver
20 F/R O C Cassette mechanism head forward/reverse select output
21 PLAY O C Cassette mechanism MS gain select output
22 NR O C Cassette mechanism NR output
23 SC2 O C Cassette mechanism sub motor control output 2
24 SC1 O C Cassette mechanism sub motor control output 1
25 CM O C Cassette mechanism capstan motor control output
26 TPSTBY O C Cassette Mechanism driver stand-by control output
27 MS I Cassette mechanism MS sense input
28 MTL I Cassette mechanism metal tape detect input
29 TPLOAD I Cassette mechanism loading detect input
30 POS I Cassette mechanism position sense input
31 RES I Cassette mechanism reverse end sense input
32 NES I Cassette mechanism forward end sense input
33 GND GND
34 TUNUPM I Tuning up input
35 TUNDN I Tuning down input
36
mute
O C System mute output
37
syspw
O C System power supply control output
38 ANTPW O C Antenna output
39
testin
I Test program mode input
40
led
O C Anti-theft LED output
41 VST1 O C Strobe output for electronic volume
42 VDT1 O C Data output for electronic volume
43 VCK1 O C Clock output for electronic volume
44 PEE O C PEE sound output
45–49 NC Not used
50 NMUTE1 O C Navigate mute output 1
51 NMUTE2 O C Navigate mute output 2
52
adpw
O C A/D converter power
53 BLPW O C Back light power
54
swdvdd
O C Grille power supply control output
55–59 NC Not used
60
reset
Reset
61 ERIN I SWD+B,ANTPW output short detect intut
62
asen
I ACC power sense input
63
bsen
I Back up power sense input
64
cdej
I CD eject key sense input
65 ASO I BUS serial data output
7.2 PARTS
7.2.1 IC