Changhong Electric 21NF55, Service Manual, Page: 40 / 83

SERVICE MANUAL
38
35 AUDEXT/QSSO/AMOUT(1) 3.7 27.8 21.5
36 AUDEXT/ 1.6 18.7 16.0
37 QSSO/AMOUT(1) 2.4 27.8 21.5
38 AUDEXT/ 3.3 24.0 21.1
39 QSSO/AMOUT(1) 7.7 1.8 1.8
40 AUDEXT/ 3.8 27.5 21.2
41 GND1 0 0 0
42 CVBS/Y 3.3 27.5 21.2
43 CHROMA 1.4 26.8 20.9
44 AUDOUT /AMOUT(1) 3.3 27.5 21.5
45 INSSW2 1.6 1.0 1.0
46 R2/VIN 2.6 28.0 21.7
47 G2/YIN 2.6 28.0 21.7
48 B2/UIN 2.6 28.0 21.7
49 BCLIN 2.5 27.6 20.8
50 BLKIN 6.0 27.9 21.3
51 RO 2.6 1.1 1.1
52 GO 2.5 1.1 1.1
53 BO 2.4 1.1 1.1
54 VDDA 3.2 11.0 11.3
55 VPE 0 0 0
56 VDDC 3.2 11.0 11.3
57 OSCGND 0.02 - -
58 XTALIN - - -
59 XTALOUT - - -
60 RESET 0 0 0
61 VDDP 3.2 11.0 11.3
62 P1.0/INT1 0 - -
63 P1.1/T0 1.5 3.3 3.3
64 P1.2/INT0 5.0 18.2 17.5
Table 11 Functions and Service Data of AT24C08 (N200)’ s Pins
Digital Multimeter Pin
No.
Function Description
Reference Voltage (V) Positive Resistance (20K
Ω
) Negative Resistance (20K
Ω
)
1 Address input 0.00 0.00 0.00
2 Address input 0.00 0.00 0.00
3 Address input 0.00 0.00 0.00
4 Common ground 0.00 0.00 0.00
5 Clock line 4.94 6.85 4.83
6 Data line 4.94 6.89 5.15
7 PW write protect 4.94 9.58 6.31
8 Supply voltage 4.94 3.5 3.25