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Related Manuals for Kenwood FL-180
Summary of Contents for Kenwood FL-180
- Page 1 FL-180 W O W F L U T T E R M E T E R I N S T R U C T I O N MANUAL...
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Page 2: Table Of Contents
W O W F L U T T E R M E T E R F L - 1 8 0 The F L - 1 8 0 w o w flutter meter measures w o w and flutter of various types of sound recording machines, video recording machines and many other rotary machines such as tape recorders, V T R ' s and turntables in accordance with the J l S ( J a p a n ) , NAB (U.S.A), CCIR(France) and DIN(Germany) standards. -
Page 3: F E A T U R E S
F E A T U R E S m Minimum operating input voltage is as lows as 0.5 mV, permitting measurements of wow and flutter directly from a small output tape head or PHONO cartridge. • The F L - 1 8 0 has a wide range of measurement range ( 0 . 0 0 3 to 10%) and is ready for use with professional type tape recorders and other rotary machines. -
Page 4: Specifications
S P E C I F I C A T I O N S W o w flutter meter section Measuring center frequency: Within 3 kHz ± 3 0 0 Hz ( J I S , N A B , CCIR) Within 3.15 kHz ±... - Page 5 Output terminals Recording output signal 3 kHz, 3.15 kHz Signal frequency: ± 5 x 1 0 ~ Accuracy: 0.2Vrms ± 2 0 % (open output) Output voltage: 60012 ± 2 0 % (unbalanced) Output impedance: Less than 1 % ( 6 0 0 0 terminated)" "...
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Page 6: Front Panel
P A N E L C O N T R O L S AMD T H E I R F U N C T I O N S Fig. 1 Front panel Front Panel ® POWER Power switch. Press ( JBL ) the pushbutton switch and the 4-digit frequency display L E D ©... - Page 7 © INDICATION (NAB) Press the pushbutton switch and the meter @ will indicate a mean value of NAB standard. (D INDICATION (CCIR) Press the pushbutton switch and the meter © will indicate a peak value of CCIR standard. © INDICATION (DIN) Press the pushbutton switch and the meter @ will indicate a peak value of DIN standard.
- Page 8 16 O V E R F L O W / L E V E L MONITOR During measurement of w o w flutter, the monitor lamp will- light when an input signal of specified level (selected by L E V E L (Q) ) and frequency (3 kHz, 3.15 kHz) ±...
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Page 9: Rear Panel
Rear Pane! Fig. 3 Rear panel 21 Cord Reel This cord reel is used to store the power cord for carrying convenience. Fuse Holder A 0.3A fuse is used for operating the F L - 1 8 0 on 2 2 0 V or 2 4 0 V A C power. For operation on 100V or 120V, it should be replaced with a 0.5A fuse. -
Page 10: P R E C A U T I O N S
D R I F T Drift output terminal. The frequency drift is about DC± 1V for ± 1 % and the output impedance is about 6 0 0 0 . The output voltage is proportional to the speed of revolution of equipment under test. R E C O R D E R This terminal provides DC voltage proportional to meter reading during measu- rement of w o w flutter. -
Page 11: O P E R A T I O N S
O P E R A T I O N S Preparation for Operation 1. Set the power selector switch to the correct voltage observing the "arrow" mark on the plug. The F L - 1 8 0 is factory set to operate on A C 2 4 0 V . 2. -
Page 12: Output Terminal On Rear Panel
Set the MODE switch (Q) to W O W F L U T T E R . Next, set the L E V E L switch @ to " 5 mV ~ 3 0 V " and check that the MONITOR lamp ©... -
Page 13: Operation Of Frequency Counter
Operation'of frequency-counter-'" 1. Set the MODE switch ® to F R E Q ' C O U N T E R and connect a signal to be measured to the input terminal @ • The L E V E L MONITOR lamp @ will light if the input signal is more than 100 mV, indicating that the F L - 1 8 0 is operating * as a frequency counter. -
Page 14: M A I N T E N A N C E A N D A D J U S T M E N
MAINTENANCE AND A D J U S T M E N T Maintenance Removing the case (Fig. 7): 1. Remove the 2 screws on top of the case, 4 screws on side and 4 screws on bottom using a Phillips type screwdriver. 2. -
Page 15: Adjustment 1
Adjustment Adjustment of offset balance: When the offset balance of the output terminals on the rear panel is deviated, it should be adjusted as follows: 1. Turn on the power to set the F L - 1 8 0 in operation. Ascertain that the LEVEL MONITOR lamp is O F F and the frequency display is indicating "... - Page 16 K E N W 0 0 D C 0 R P 0 R A T I 0 N 1 7 - 5 , 2-chome, S h i b u y a , S h i b u y a - k u , T o k y o 1 5 0 , J a p a n ©...