Pioneer PD-D9MK2-K Service Manual page 67

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QQ
3 7 63 1515 0
D
LCD ASSY
SYSTEM Microcomputer(IC)<->Each part communication waveform
Ch1: IC2101-pin 25
1
[XDFCLK]
Ch1
Ch2
Ch1: IC2101-pin 28
3
[LCDCLK]
[ANY FUNCTION]
Ch1
Ch2
Ch1: IC2101-pin 51
4
[SCLK]
TE
L 13942296513
Ch1
Ch2
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Ch2: IC2101-pin 23 Ch1: IC2101-pin 25
2
V: 2V/div.
[XDFDT]
[MD]
H: 20us/div.
Ch1
GND
Ch2
GND
Ch2: IC2101-pin 26
V: 2V/div.
[LCDDATA]
H: 5us/div.
GND
GND
Ch2: IC2101-pin 49 Ch1: IC2101-pin 51
5
[SDATA]
V: 2V/div.
H: 10us/div.
[DVD]
Ch1
GND
Ch2
GND
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Ch2: IC2101-pin 24
[XDFCLK] [XDFCS] V: 2V/div.
[MD]
H: 20us/div.
Ch2: IC2101-pin 50
[SCLK] [MDATA]
V: 2V/div.
[DVD] H: 10us/div.
Q Q
3 6 7 1 3
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PD-D9MK2-K
7
2 9 9 4 2 8
Ch1: 2401-pin 1 Ch2: IC2101-pin 7
6
[2401Out]
(IR Receiver Out)
Ch1
GND
Ch2
GND
1 5 0 5 8 2 9 9 4
GND
GND
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7
8
9 9
A
[SR IN] V: 1V/div.
H: 10ns/div.
GND
GND
B
C
2 8 9 9
D
E
F
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