Technics SX-E33 - Page 8

MEASUREMENTS AND ADJUSTMENTS
ADJUSTMENT
ADJUSTMENT ADu. CONNECT METER
SaLHING METER USED CIRCUIT BOARD | POINT | METER TO READING
tuning
(free
set)
.........
Oscilloscope,
|
Tone
Generator
VR1
|
30cm
(440+1Hz)
u.
orch.
conductor
......
tab
voices
|
Frequency
Circuit
Speaker
upper voices ............ flute 8’ counter
upper keyboard .........
4, Connect an oscilloscope to MCTC terminal of tone generator P.C.B. and adjust VR1 so that
the duty ratio of output waveform is 50%.
2. Connect a frequency counter to 30cm speaker and make the setting as mentioned here,
then confirm the frequency is 440Hz.
Tuning (tab)
100%
30cm
Speaker
Tone Generator (110 Hz)
Circuit
Frequency
counter
tuning (free set) ......... off
pedal voices ............ bass 8’
pedal keyboard .........
1. Connect an oscilloscope to MCMC terminal of tone generator P.C.B. and adjust VR2 so
that the duty ratio of output waveform is 50%.
2. Connect a frequency counter to 30cm speaker and make the setting as mentioned here,
then confirm the frequency is 110Hz.
Electric Selector & VR1
voltmeter Mixing Circuit
Electric Selector & VR2
voltmeter Mixing Circuit
Tuning
(mono-tone)
ef
100%
Reverb depth u. orch. conductor ...... tab voices JP17 or VR1
upper voices ............ flute 4’, 8’,
16
FOVErID 20... ccceececereeees max
upper keyboard ......... C38~B3
(only for natural key)
30cm
speaker
u. orch. conductor ...... tab voices
upper voices ............ flute 4’, 8’,
Output level
(manual)
mainvolume ............ max
expression pedal ...... max
upper keyboard .........
Pedal level pedal voices ............ Electric Bass & Drum 30cm 3.5 Vrms
mainvolume ........05 max voltmeter Percussion speaker
expression pedal ...... max Circuit
| bass volume ........... max
pedal keyboard .........
Expression u. orch. conductor ...... tab voices | Electric System Assigner | VR1 | 30cm —35dB
characteristics | uppervoices ............ flute 4’, 8’, | voltmeter Circuit speaker :
| 16 Adjust VR1 of system assigner so that the change in output is 35dB
AOS NEV NOMMEDG: eareunte tis max when the expression pedal is shifted from the minimum to maximum.
expression pedal ...... min~max
upper keyboard ......... C3, E3, G3
Bass & Drum Percussion P.C.B. Accompaniment P.C.B.
Orchestral & Percussive Presets P.C.B.
Organ P.C.B.
Tone Generator P.C.B.
Tone Generator Module P.C.B.
System Assigner P.C.B.
Solo Synthe Presets P.C.B.
Selector & Mixing P.C.B.
Celeste & String Ensemble P.C.B.
Power Amp Unit
Network P.C.B.
Speaker 30cm, 62
Speaker 6.5cm, 62
igatem Pedal Keyboard P.C.B.
Expression Unit