Parts - Pioneer FH-M8047ZT Service Manual

5

7.2 PARTS

7.2.1 IC
- Pin Functions (PD5949B)
Pin No. Pin Name
1 PDO
pck
2
3 DEST
4 LCE
5 LDO
6 LDI
7 LCK
8 BYTE
9 CNVSS
10 NC
11 NC
reset
12
13 XOUT
14 VSS
15 XIN
16 VCC
nmi
17
18 NC
19 NC
asen
20
21 RX2
22 PCE2
23 PCE1
24 BEEP
25 SD
st
26
locl
27
28 ILLPW
29 RX1
30 TX
31 BSO
32 BSI
33 BSCK
34 DSPOK
35 DSPDO
36 DSPERR
37 DSPCK
dsprst
38
39
XTEST
dspcs
40
41 DSPACK
42 SYSMUTE
43 NC
44 FMPW
45 AMPW
46 LANMUTE
47 IPPW
48 NC
49 SYSPW
NC
50–57
isen
58
59 ROMDATA
60 ROMCLK
61 ROMCS
62 VCC
63 POWER
64 VSS
5
6
I/O Function and Operation
O Tuner : Data output
O Tuner : Serial clock output
I Model select input
O LCD driver : Chip enable output
O LCD driver : Data output
I LCD driver : Data input
O LCD driver : Clock output
I GND
I GND
Not used
Not used
I Reset input
O Crystal oscillating element connection pin
GND
I Crystal oscillating element connection pin
Power supply terminal
I Not used
Not used
Not used
I ACC power sense input
I IP-BUS : Data input
O Tuner : Chip enable 2 output
O Tuner : Chip enable 1 output
O Beep tone output
I Tuner : SD input
I Tuner : FM stereo input
O Local L output
Phase width modulation output for illumination dimmer control
O
I IP-BUS : Data input
O IP-BUS : Data output
O P-BUS : Serial data output
I P-BUS : Serial data input
O P-BUS : Serial clock output
I DSP : Interface monitor input
O DSP : Data output
O DSP : Error detect input
O DSP : Serial clock output
O DSP : Reset output
O Not used
O DSP : Chip select output
I DSP : Acknowledge input
O System mute output
Not used
O FM power supply control output
O AM power supply control output
I AVC-LAN mute input
O IP-BUS : Power supply control output for IP BUS interface IC
Not used
O System power supply control output
Not used
I Illumination power sense input
I/O ROM correction data input / output
O ROM correction clock output
O ROM correction chip select output
Power supply terminal
I POWER key input
GND
FH-M8047ZT/XN/ES
6
7
7
8
A
B
C
D
E
F
77
8