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31
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Model No.: 14LAANZACDC
Version: 1.0
DT890D Multimeter
Ground Resistance (
Ω
)
Pin
No
Function Description
Voltage of
Pin (V)
Measure with Red
Probe while
grounding Black
probe.
Measure with
black Probe while
grounding red
probe
31
Power supply of 1H baseband delay
circuit
4.45 330
330
32 Power filter of 1H baseband delay
circuit
8.3
∞
567
33
1H baseband delay circuit ground
0
0
0
34
SECAM color difference signal input
/DVD Cb input
2.39 775
712
35
SECAM color difference signal input
/DVD Cr input
2.39 776
712
36
APC low pass filter
3.8
810
724
37 4.43MHz CW signal output or
SECAM killing input
2.3 800
706
38
4.43MHz crystal oscillator connector
2.8
790
716
39 APC
filter
2.5
760
697
40 Video
signal
output
2.3
730
662
41
Video /chroma /scan part ground
0
0
0
42
Video signals input from AV terminals
or Y signal input from S-Video
terminal
2.7 800
711
43
Supply voltage for video /chroma /scan
part
5 285 280
44
Video signals input from AV terminals
or C signal input from S-VIDEO
terminal
2.53 805
707
45
Filter for black level stretch
3.1
762
700
46
Video detection output
2.12
397
397
47
If lock detection filter
3.6
840
712
48 External
VCO
resonating
coil
4.2
526
526
49 External
VCO
resonating
coil
4.2
530
530
50
IF PLL APC filter
2.41
820
698
51
Audio signal input
2.2
800
701
52
Sound IF output
1.96
809
697
53
APC filter for audio discrimination
2.23
808
691
54 Sound
IF
input
3.13
824
712
