Pioneer CRT3557, Service Manual

Page: 43 / 58

DEH-P3800MP/XU/UC
55
5 6 7 8
5 6
7
8
C
D
F
A
B
E
* PEG155B
30 51
80
1
50
81 100
31
BD4843G
1 2 3
VDD
GND
5 4
VOUT
N.C. N.C.
Vref
IC's marked by * are MOS type.
Be careful in handling them because they are
very liable to be damaged by electrostatic induction.
Format meaning
C C MOS
N Nch open drain
Pin No. Pin Name I/O Function and Operation
66
67
68
69-85
86
87
88
89-91
92
93
94
95
96
97
98
99
100
CE1
TUNPCK
TUNPDI
NC
TUNPDO
NC
TESTIN
NC
SSENS
CSENS
KEYAD
MODEL
AVSS
SL
VREF
AVCC
NC O
O
I
O
I
I
I
I
I
I
I
I
Format
C
C
C
TUNER : Chip enable output(PLL)
TUNER : Clock output(PLL)
TUNER : Data input(PLL)
Not used
TUNER : Data output(PLL)
Not used
Test program input
Not used
Source key
Flap close sense input
Wired remote control analog input
Model detect input
Analog GND
Signal level input
Reference voltage
Analog power supply
Not used