GX-M10
5 – 2
(1) Focu
s
-HF
s
y
s
tem check.
Fi
g
ure 2
Fi
g
ure 3
48
49
IC1
IC1
1
FOP
TRP
Fi
g
ure 1
Without inserting a disc, close the CD top cover and try starting
the playback operation.
2. Does the focus (lens) move up and down ?
(Waveform drawing Figure 1)
1. Is focus servo activated ?
(Waveform drawing Figure 2)
2. Is the HF waveform normal ?
(Waveform drawing Figure 3)
1. Does the pickup move to the PICKUP-IN Switch position ?
Sled motor.
Check the focus peripheral circuit.
Check the laser diode driver Q4 peripheral circuit.
Spindle motor.
If the level is not normal.
Pins 50, 51, 48, 49 (55 ~ 62) on IC1.
Check the laser diode driver Q4 peripheral circuit.
3. Is the laser lit ?
4. Is the turntable rotating ?
When a disc is loaded, start playback operation.
Althou
g
h a CD i
s
in
s
erted and the cover i
s
clo
s
ed, "NO DISC" i
s
di
s
played.
Yes
Yes
Yes
Yes
No
No
No
No
No
No
2
48
138
IC1
IC1
1
FOP
TE
4
67
IC1
RFOUT
7
Содержание GX-M10 (OR)
Страница 22: ...GX M10 6 5 2 LCD Display LCD701 RV LXA009AWZZ GRID ASSIGNMENT ANODE CONNECTION ...
Страница 23: ...GX M10 6 6 MEMO ...
Страница 25: ...GX M10 7 2 MEMO ...
Страница 26: ...GX M10 1 MEMO 7 3 ...
Страница 39: ...GX M10 8 13 MEMO ...
Страница 40: ...GX M10 1 MEMO 8 14 ...
Страница 53: ...GX M10 12 MEMO ...