12
1
2
3
4
1
2
3
4
F
E
D
C
B
A
XDV-M8137ZT/UC
5
CH1:FEI
500mV/div. 2ms/div.
2 layer DVD:S curve check
Servo adjustment mode
-
Waveforms
1
CH1:TEI
1V/div.
2
CH2:T-
2V/div.
CD:32 tracks jump
2ms/div.
1
CH1:TEI
1V/div.
2
CH2:T-
2V/div.
DVD:1 track jump
2
m
s/div.
3
CH1:F-
2V/div.
4
CH2:EC(TP308) 1V/div.
DVD:S curve check
Servo adjustment mode
500ms/div.
3
CH1:F-
2V/div.
4
CH2:EC(TP308) 1V/div.
CD:S curve check
Servo adjustment mode
500ms/div.
1
CH1:TEI
1V/div.
2
CH2:T-
2V/div.
CD:1 track jump
2ms/div.
1
CH1:TEI
1V/div.
2
CH2:T-
2V/div.
DVD:32 tracks jump
2ms/div.
5
CH1:FEI
500mV/div. 2ms/div.
DVD:S curve check
Servo adjustment mode
5
CH1:FEI
500mV/div. 2ms/div.
CD:S curve check
Servo adjustment mode
6
CH1:RFRP(TP405) 500mV/div.
1
CH2:TEI
1V/div.
CD:RFRP waveform
Focus close situation
2ms/div.
6
CH1:RFRP(TP405) 500mV/div.
1
CH2:TEI
1V/div.
CD:RFRP waveform
Focus close situation
3
CH1:F-
1V/div.
4
CH2:EC(TP308)
1V/div.
DVD:Focus close situation
500ms/div.
5ms/div.
ch1 VR21
→
ch2 VR21
→
ch1 VR21
→
ch2 VR21
→
ch1 VR21
→
ch2 VR21
→
ch1 VR21
→
ch2 VR21
→
ch1 VR21
→
ch2 VR21
→
ch1 VR21
→
ch2 VR21
→
ch1 VR21
→
ch1 VR21
→
ch1 VR21
→
ch1 VR21
→
ch2 VR21
→
ch1 VR21
→
ch2 VR21
→
ch1 VR21
→
ch2 VR21
→
Note:1. The encircled numbers denote measuring pointes in the circuit diagram.
2. Reference voltage
VR21:2.1V
Содержание XDV-M8137ZT-91/UC
Страница 4: ...4 1 2 3 4 1 2 3 4 F E D C B A XDV M8137ZT UC EXPLODED VIEWS AND PARTS LIST EXTERIOR E F ...
Страница 15: ...15 5 6 7 8 F E D C B A 5 6 7 8 XDV M8137ZT UC IC1201 pin 45 200mV div 10µs div Composite signal output ch1 GND ...
Страница 19: ...19 A a E b E a E a E b 2 3 4 PD6434A PD6432A PD3411A 5V F 2 2 F 2 2 5 6 7 8 F E D C B A 5 6 7 8 XDV M8137ZT UC ...
Страница 23: ...23 5 6 7 8 F E D C B A 5 6 7 8 XDV M8137ZT UC ...
Страница 25: ...25 E F SIDE A E E E E E IC Q FRONT 5 6 7 8 F E D C B A 5 6 7 8 XDV M8137ZT UC ...
Страница 26: ...26 MAIN PCB E F E F IC Q ADJ TC1000 TC201 F CN3961 1 2 3 4 1 2 3 4 F E D C B A XDV M8137ZT UC ...