Pioneer AVIC-X3/XU/EW5 Service Manual page 57

5
<Check> Check the conductivity at "check point 1" and "check point 2" without power.
In case of NG, check the soldering and defective components throughout the
"output t input" of the applicable section.
NO. Signal name
1 MA0
2 MA1
3 MA2
4 MA3
5 MA4
6 MA5
MA6
7
8 MA7
9 MA8
10 MA9
11 MA10
12 MA11
13 MDQ0
14 MDQ1
15 MDQ2
16 MDQ3
17 MDQ4
18 MDQ5
19 MDQ6
20 MDQ7
21 MDQ8
22 MDQ9
23 MDQ10
24 MDQ11
25 MDQ12
26 MDQ13
27 MDQ14
28 MDQ15
29 MDQ16
30 MDQ17
31 MDQ18
32 MDQ19
33 MDQ20
34 MDQ21
35 MDQ22
36 MDQ23
37 MDQ24
38 MDQ25
39 MDQ26
MDQ27
40
41 MDQ28
42 MDQ29
43 MDQ30
44 MDQ31
45 MCK
46 XWE
47 XCAS
48 XRAS
49 XCSM
50 DQM0
51 DQM1
52 DQM2
53 DQM3
54 BA0
55 BA1
5
6
Check point 1 Check point 2
IC1481 25pin IC1501
IC1481 26pin IC1501
IC1481 27pin IC1501
IC1481 60pin IC1501
IC1481 61pin IC1501
IC1481 62pin IC1501
IC1481 63pin IC1501
IC1481 64pin IC1501
IC1481 65pin IC1501
IC1481 66pin IC1501
IC1481 24pin IC1501
IC1481 21pin IC1501
IC1481 2pin IC1501
IC1501
IC1481 4pin
IC1481 5pin IC1501
IC1481 7pin IC1501
IC1481 8pin IC1501
IC1481 10pin IC1501
IC1481 11pin IC1501
IC1481 13pin IC1501
IC1481 74pin IC1501
IC1481 76pin IC1501
IC1481 77pin IC1501
IC1481 79pin IC1501
IC1481 80pin IC1501
IC1481 82pin IC1501
IC1481 83pin IC1501
IC1481 85pin IC1501
IC1481 31pin IC1501
IC1481 33pin IC1501
IC1481 34pin IC1501
IC1481 36pin IC1501
IC1481 37pin IC1501
IC1481 39pin IC1501
IC1481 40pin IC1501
IC1481 42pin IC1501
IC1481 45pin IC1501
IC1481 47pin IC1501
IC1481 48pin IC1501
IC1481 50pin IC1501
IC1481 51pin IC1501
IC1481 53pin IC1501
IC1481 54pin IC1501
IC1481 56pin IC1501
IC1481 68pin IC1501
IC1481 17pin IC1501
IC1501
IC1481 18pin
IC1481 19pin IC1501
IC1481 20pin IC1501
IC1481 16pin IC1501
IC1481 71pin IC1501
IC1481 28pin IC1501
IC1481 59pin IC1501
IC1481 22pin IC1501
IC1481 23pin IC1501
AVIC-N4/XU/UC
6
7
Specification value
Ω
16pin 56 ± 5 %
Ω
18pin 56 ± 5 %
Ω
20pin 56 ± 5 %
Ω
22pin 56 ± 5 %
Ω
21pin 56 ± 5 %
Ω
19pin 56 ± 5 %
Ω
17pin 56 ± 5 %
Ω
15pin 56 ± 5 %
Ω
11pin 56 ± 5 %
Ω
9pin 56 ± 5 %
Ω
14pin 56 ± 5 %
Ω
7pin 56 ± 5 %
Ω
237pin 56 ± 5 %
Ω
239pin
56 ± 5 %
Ω
241pin 56 ± 5 %
Ω
243pin 56 ± 5 %
Ω
248pin 56 ± 5 %
Ω
250pin 56 ± 5 %
Ω
252pin 56 ± 5 %
Ω
254pin 56 ± 5 %
Ω
253pin 56 ± 5 %
Ω
251pin 56 ± 5 %
Ω
249pin 56 ± 5 %
Ω
244pin 56 ± 5 %
Ω
242pin 56 ± 5 %
Ω
240pin 56 ± 5 %
Ω
238pin 56 ± 5 %
Ω
236pin 56 ± 5 %
Ω
29pin 56 ± 5 %
Ω
31pin 56 ± 5 %
Ω
33pin 56 ± 5 %
Ω
37pin 56 ± 5 %
Ω
39pin 56 ± 5 %
Ω
41pin 56 ± 5 %
Ω
43pin 56 ± 5 %
Ω
45pin 56 ± 5 %
Ω
44pin 56 ± 5 %
Ω
42pin 56 ± 5 %
Ω
40pin 56 ± 5 %
Ω
38pin 56 ± 5 %
Ω
34pin 56 ± 5 %
Ω
32pin 56 ± 5 %
Ω
30pin 56 ± 5 %
Ω
28pin 56 ± 5 %
Ω
234pin 0.17 ± or lower
Ω
3pin 56 ± 5 %
Ω
4pin
56 ± 5 %
Ω
5pin 56 ± 5 %
Ω
6pin 56 ± 5 %
Ω
255pin 56 ± 5 %
Ω
256pin 56 ± 5 %
Ω
26pin 56 ± 5 %
Ω
27pin 56 ± 5 %
Ω
8pin 56 ± 5 %
Ω
10pin 56 ± 5 %
7
8
A
B
C
D
E
F
57
8