Pioneer CRT3557, Service Manual

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DEH-P3800MP/XU/UC
54
1 2 3 4
1 2 3 4
C
D
F
A
B
E
7.2 PARTS
7.2.1 IC
Pin No. Pin Name I/O Format
Function and Operation
1
2
3,4
5
6
7
8
9
10,11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37,38
39
40
41-46
47
48
49-51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
ILMPW
ejtin
ROT1,0
NC
FLPIM
SWVDD
BYTE
CNVSS
NC
reset
XOUT
VSS
XIN
VCC
nmi
dsens
bsens
asens
cd-reset
NC
brst
brxen
bsrq
PEE
RX2
NC
RX
TX
BSO
BSI
BSCK
KEYD
DPDT
KYDT
NC
PCL
ASENBO
NC
DALMON
SYSPW
NC
IPPW
MUTE
VST
VCK
VDT
NC
ROMDATA
ROMCK
ROMCS
NC
VCC
NC
VSS
ce@
O
I
I
O
O
I
I
I
O
I
I
I
I
I
I
I
O
O
I/O
I
O
I
I
O
O
I
O
I
O
I
O
O
O
O
O
O
O
O
O
I/O
O
O
I
I
O
C
C
C
C
C
C
C
C
N
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
Illumination output
Eject key input
Rotary encoder pulse input 1,0
Not used
Flap illumination output
GRILLE : Chip enable output
External data bus width change input
Processor mode change input
Not used
Reset input
Crystal oscillating element connection output
GND
Crystal oscillating element connection input
Power supply
NMI input
Detach sense input
Back up sense input
ACC sense input
CD Mechanism Module : Reset output
Not used
P-BUS : Reset output
P-BUS : RX enable input/output
P-BUS : Slave service request input
PEE sound output
IP-BUS : Data input 2
Not used
IP-BUS : Data input
IP-BUS : Data output
P-BUS : Serial output data
P-BUS : Serial input data
P-BUS : Serial clock output
Wired remote control key input
GRILLE : Data output
GRILLE : Data input
Not used
Output for clock adjustment
IP-BUS : Slave ACC sense output
Not used
For consumption low-current output
System power control output
Not used
IP-BUS : Driver power supply control output
Mute output
E.VOL : Strobe output
E.VOL : Clock output
E.VOL : Data output
Not used
ROM correction : Data input/output
ROM correction : Clock output
ROM correction : Chip select output
Not used
Power supply
Not used
GND
TUNER : Chip enable output(EEPROM)
-
Pin Functions (PEG155B)