Pioneer PD-D9-J Service Manual page 68

1
QQ
D
LCD ASSY
3 7 63 1515 0
SYSTEM Microcomputer(IC)<->Each part communication waveform
A
Ch1: IC2101-pin 25 Ch2: IC2101-pin 23
1
[XDFCLK] [XDFDT]
[MD]
Ch1
Ch2
B
Ch1: IC2101-pin 28 Ch2: IC2101-pin 26
3
[LCDCLK] [LCDDATA]
[ANY FUNCTION]
Ch1
Ch2
C
Ch1: IC2101-pin 51 Ch2: IC2101-pin 49
4
[SCLK] [SDATA]
[DVD]
TE
L 13942296513
Ch1
Ch2
D
E
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F
68
1
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2
Ch1: IC2101-pin 25
2
V: 2V/div.
[XDFCLK]
H: 20us/div.
Ch1
GND
Ch2
GND
V: 2V/div.
H: 5us/div.
GND
GND
Ch1: IC2101-pin 51
5
[SCLK]
V: 2V/div.
H: 10us/div.
Ch1
GND
Ch2
GND
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2
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3
8
Ch2: IC2101-pin 24
[XDFCS] V: 2V/div.
[MD]
H: 20us/div.
Ch1
GND
Ch2
GND
Ch2: IC2101-pin 50
[MDATA]
V: 2V/div.
[DVD] H: 10us/div.
Q Q
3 6 7 1 3
GND
GND
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PD-D9-J
3
4
2 9 9 4 2 8
Ch1: 2401-pin 1 Ch2: IC2101-pin 7
6
[2401Out] [SR IN]
(IR Receiver Out)
1 5 0 5 8 2 9
m
co
4
9 9
V: 1V/div.
H: 10ns/div.
GND
GND
9 4 2 8 9 9