#3300P
STEP
NOTE
SUBJECT
TEST POINT
ADJUSTM
SPECIFICATION
SETTING
INPUT
RISE
TIME
FALL
TIME
HORN
DRUM
1. a
DC Power Supply Check
+15V
PWH-74C J110-6
b
-15V
J110-1
DC +15V ±5%
DC -15V ±5%
STEP
NOTE
SUBJECT
TEST POINT
ENT
POINT
SPECIFICATION
SETTING
INPUT
b
15V
J110 1
c
+37V MAIN VOLUME 0:
J111-4
d
+24V
J112-3,4
DC 15V ±5%
DC +40V ±4V
DC +24V ±1V
e
LESLIE 11PIN DC OUT Check
LES11P -PIN11,(GND)
f
Remote Power ON Check
Power SW OFF
Short PIN6 -PIN 4
DC +15V ±5%
Power ON
RISE
TIME
FALL
TIME
HORN
DRUM
2.
Resetting Rotation Speed to Factory Settings
Switch ON the power, pressing the Foot SW, and wait for 5 sec. Check the STOP LED (RED) slowly flashes and the HORN and the DRUM ROTOR turns at SLOW.
a
SLOW SPEED Adjustment: Adjust SLOW by the TRIMMER on the panel
Turn the HORN side so the FAST (GRN) LED turns on As the rotation approaches the standard it flashes
RISE
TIME
FALL
TIME
HORN
DRUM
a
SLOW SPEED Adjustment: Adjust SLOW by the TRIMMER on the panel.
b
FAST SPEED Adjustment: Adjust FAST by the TRIMMER on the panel
Turn the HORN side, so the FAST (GRN) LED turns on. As the rotation approaches the standard, it flashes.
Turn the DRUM side, so the SLOW (ORG) LED turns on. (40±3rpm*)
Turn the HORN side so the FAST (GRN) LED turns on As the rotation approaches the standard it flashes
Press on the Foot SW and switch the Motor to FAST, and wait until the Brake LED (RED) turns on.
RISE
TIME
FALL
TIME
HORN
DRUM
b
FAST SPEED Adjustment: Adjust FAST by the TRIMMER on the panel.
Turn the DRUM side, so the SLOW (ORG) LED turns on. (400±10rpm*)
c
After checking switch OFF the power and switch it ON again for normal operation Turn the DRUM side so the SLOW (ORG) LED turns on
Turn the HORN side, so the FAST (GRN) LED turns on. As the rotation approaches the standard, it flashes.
RISE
TIME
FALL
TIME
HORN
DRUM
c
3.
Check the RISE TIME and the FALL TIME of the HORN and the DRUM. (See the figure on the right)
3 1 HORN RISE TIME (SLOW > FAST) approx 2 5 ±0 5 sec at 10 o'clock position
After checking, switch OFF the power and switch it ON again for normal operation.Turn the DRUM side, so the SLOW (ORG) LED turns on.
RISE
TIME
FALL
TIME
HORN
DRUM
3-1 HORN RISE TIME (SLOW -> FAST) approx. 2.5 ±0.5 sec. at 10 o'clock position
3-2 HORN FALL TIME (FAST -> SLOW) approx. 2.5 ± 0.5 sec. at 9 o'clock position
3-3 DRUM RISE TIME (SLOW -> FAST) approx. 8 ± 1.5 sec. at 11 o'clock position
3 4 DRUM FALL TIME (FAST > SLOW) approx 8 ± 1 5 sec at the center
RISE
TIME
FALL
TIME
HORN
DRUM
3-4 DRUM FALL TIME (FAST -> SLOW) approx. 8 ± 1.5 sec. at the center
If not at these tolerances, adjust by the TRIMMER.
If the TRIMMER must be turned more than 30 degrees from the standard position A malfunction is present.
RISE
TIME
FALL
TIME
HORN
DRUM
4
CHECK Power AMP .
a
TUBE ON/OFF CHECK
MAIN VOLUME G d 2
Adj t th VR9 f th PAH74B
t
t h
th
t
t t th TUBE ON/OFF
Set TUBE MODE, BASS, MID, TREBLE, HORN LEVEL at the center.
TUBE DRIVE LEVEL is TUBE OFF; SUB WOOFER VOL is MAX
RISE
TIME
FALL
TIME
HORN
DRUM
a
TUBE ON/OFF CHECK
MAIN VOLUME: Grade 2
Adjust the VR9 of the PAH74B so as to not change the output at the TUBE ON/OFF
b
WOOFER SP
LINE IN 800Hz
80mV
LINE IN
PWH-74C J104-2,4
(LINE OUT 15mVrms)
c
HORN SP
LINE IN 8kHz
PWH-74C J102-1
SUB WOOFER OUT
LINE IN
80H
SUBWOOFER OUT JACK
600mV rms ±30mV
130 V
±12 V
550mV rms ±6mV
RISE
TIME
FALL
TIME
HORN
DRUM
c
SUB WOOFER OUT
LINE IN 80Hz
d
TONE VR Check
LINE IN 80Hz
BASS VR MAX-MIN
e
LINE IN 2kHz
MID VR MAX-MIN
f
LINE IN
8kH
TREBLE VR MAX MIN
+4dB,-17dB
+4.5dB,-6.5dB
SUBWOOFER OUT JACK
130mV rms ±12mV
10dB
RISE
TIME
FALL
TIME
HORN
DRUM
f
LINE IN 8kHz
TREBLE VR MAX-MIN
5.
CHECK the Noise
MAIN VOLUME: MAX
(
)
±10dB
RISE
TIME
FALL
TIME
HORN
DRUM
a
Woofer SP- Noise Level
PWH-74C J104-2
b
Woofer SP+ Noise Level
PWH-74C J104-4
c
HORN SP Noise Level
PWH-74C J102-1
1.0mV max (IEC"A"net)
1.0mV max (IEC"A"net)
1.5mV max (IEC"A"net)
RISE
TIME
FALL
TIME
HORN
DRUM
#3300P, #3300WP
RISE
TIME
FALL
TIME
HORN
DRUM
4.TEST AND ADJUSTMENT
RISE
TIME
FALL
TIME
HORN
DRUM
