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20
HCD-CL1/CL3
Note :
Clear RF signal waveform means that the shape “
◊
” can be clearly
distinguished at the center of the waveform.
E-F Balance (1 Track jump) Check
Procedure :
1. Connect an oscilloscope to TP (TEO) and TP (DVC).
2. Turn Power switch on.
3. Load a disc (LUV-P01) and playback the number nine track.
4. Press the
gG
button. (Becomes the 1 track jump mode.)
5. Confirm that the level B and A (DC voltage) on the oscillo-
scope waveform.
6. Adjust RV101 on the BD board so that the center of waveform
becomes the same voltage of DVC. (i.e. A=0V)
Adjustment Location:
[BD (CD) BOARD] (Conductor Side)
RF signal waveform
VOLT/DIV : 200mV
TIME/DIV : 500ns
level : 0.65
±
0.15Vp-p (RFDC)
1.1
±
0.4Vp-p (RFAC)
TP(TEO)
TP(DVC)
BD (CD) board
oscilloscope
level=1.0
±
0.5Vp-p
symmetry
A (DC voltage)
center of
waveform
B
DVC
1 track jump waveform
TP (TEO)
TP
(RFAC)
TP
(FEI)
TP
(RFDC)
TP (FEO)
IC101
IC103
RV101
TP (DVC)
1
15
30
1
20
21
40
60
80
41
61
16
Содержание CHC-CL1 - Compact Hi Fi Component System
Страница 28: ...26 26 HCD CL1 CL3 7 4 SCHEMATIC DIAGRAM MAIN SECTION 1 2 See page 45 for IC Block Diagram IC B D ...
Страница 32: ...30 30 HCD CL1 CL3 7 8 SCHEMATIC DIAGRAM DRIVER SECTION See page 45 for IC Block Diagram 27 IC B D ...
Страница 34: ...32 32 HCD CL1 CL3 7 10 SCHEMATIC DIAGRAM TC SECTION See page 45 for IC Block Diagram 26 IC B D ...
Страница 36: ...34 34 HCD CL1 CL3 7 12 SCHEMATIC DIAGRAM AMP SECTION ...
Страница 38: ...36 36 HCD CL1 CL3 7 14 SCHEMATIC DIAGRAM PANEL SECTION ...
Страница 40: ...38 38 HCD CL1 CL3 7 16 SCHEMATIC DIAGRAM TRANS SECTION JW6 JW7 CL1 AUS CL1 AUS CL1 EXCEPT CL1 AUS KR CL3 KR ...
Страница 69: ...3 SS SCL1 SCL1B SCL3 SCL5 MEMO ...