Chapter 4. Circuit Description; Waveforms Of Servo Circuit - Sharp XL-UH4H Service Manual

XL-UH4H

CHAPTER 4. CIRCUIT DESCRIPTION

[1] Waveform Of Servo Circuit
1
IC902 19
CH1 10:1
1.00 V/div
DC Full
2
IC901 24
CH1 10:1
2.00 V/div
DC Full
6
IC901 12
CH1 0.2v
< Z1 : 2.5M > 500ms/div
Edge CH4
Auto
0.50 V
< Z1 : 2M >
100ms/div
Freq (C1)
50.00000kHz
Edge CH4
Auto
0.50 V
˜
A>0.2µs
CH 4
Display
OFF ON
Position
-0.20div
Coupling
2
IC901 24
DC1M
Probe
10:1
Offset
0:32 V
Bandwidth
Full
CH1 10:1
1.00 V/div
DC Full
5
IC902 10
1
IC902 19
4
IC902 24
3
IC902 4
CH1 10:1
2.00 V/div
DC Full
9
IC901 21
8
IC901 22
7
IC901 23
CH1 10:1
5.00 V/div
DC Full
4 – 1
< Z1 :1 00K >
Freq(C1) *****
Edge CH4
Auto
0.50 V
< Z1 : 2M >
Freq(C1) 40.00000kHz
Freq(C2) 50.00000kHz
FR-A(C4) 43.75492kHz
CH2 10:1 CH3 10:1 CH4 10:1 Edge CH4
2.00 V/div 2.00 V/div 2.00 V/div Auto
DC Full DC Full DC Full 0.50 V
< Z1 : 25K >
CH2 10:1 CH3 10:1 Edge CH4
5.00 V/div 5.00 V/div Auto
DC Full DC Full 0.001 kV
MEASURE
20µs/div
Mode
ON
Item Setup
Delay Setup
1Cycle Mode
OFF ON
Time Range1
1.57000div
Time Range2
1.77000div
CH 4
1s/div Display
OFF ON
Position
- 3.00div
Coupling
DC1M
Probe
10:1
Offset
0:82 V
Bandwidth
Full