56
CMX-3000, CU-V163
1
VCO Free-running Adjustment
6.4 ELECTRICAL ADJUSTMENT
Objective : To optimize the VCO free-running frequency
When not properly adjusted :
• Master Tempo does not function normally
• The output does not appear in indication and occasion
when turned a Tempo adjustment into + side.
Player
•
Power ON
•
None disc
Oscilloscope
V: 50mV/div.
H: 10msec/div.
DC mode
Probe (10:1)
CH1
CH2
(X)
(Y)
VC1001 (PLAYER A)
VC1002 (PLAYER B)
MAIN ASSY
MAIN ASSY
IC1415 - pin 1 (PLAYER A)
IC1414 - pin 1 (PLAYER B) GND
START
DC voltage
2.5
±
0.2V
Summary of Contents for CMX-3000
Page 38: ...CMX 3000 CU V163 38 A B C D 1 2 3 4 1 2 3 4 SIDE B MAIN ASSY A MAIN ASSY A A ...
Page 39: ...CMX 3000 CU V163 39 A B C D 5 6 7 8 5 6 7 8 SIDE B A DNP2003 ...
Page 47: ...CMX 3000 CU V163 47 A B C D 5 6 7 8 5 6 7 8 IC502 PHTB ASSY L DNP2002 B P2002 B K L SIDE A ...
Page 73: ...73 CMX 3000 CU V163 TA2153FN MAIN ASSY IC1003 IC1010 RF Amp IC Block Diagram ...
Page 74: ...74 CMX 3000 CU V163 Pin Function 1 2 ...