Farfisa Professional Service Manual
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Extracted text from Farfisa Professional Service Manual (Ocr-read)
Page 1
PROFESSIONAL
TABLE OF CONTENTS
SERVICE INFORMATION
Specifications ............................................................................... 42
Adjustments i . . .43
Voltage Chart ............................. ..44
Black Diagram ............................................................................. 45
SCHEMATICS
Drawing No. 1 Tone Ccneratnrs 8: Power Supply ....................
Drawing Nu. 2 Keyswitches Rx Tabswitches ............ .. ..
Drawing No. 3 Keyswitnhes & Tabswilches ....................................................
Drawing No. 4 Sustain Keyswitches. Percussion Keyswitches B: Clarinet/Sharp Preamps ........... 49
Drawing No. 5 Flute Filters, Celeste Filters 8: Preamps .i ........................................ 50
Drawing No. 6 Vibrato. Percussion & Amplifier ................................................ 51
PHOTOGRAPHS
SERVICE ACCESS AND CIRCUIT LOCATION
Front View ................................................................................ 52
ant View (With 'I'abswitch Assembly Raised] ...... 51
Top View [With Cover Removed] ................. .. 54
Bottom View 5.
PRINTED CIRCUIT BOARDS
Amplifier 81. Percussion Board (PAIIO) .......................................................... 58
Rectifier Hoard [PA117] .................... . .57
Regulatnr Board (PAWS) .................................................. 57
Tone Generator Board [With Oscillator, Divider 8x Sustain Keyer Boards] [PA 76] . . .58
Vibram, Filter 81 Preamp Board [PA112] ....................................... 53
Voicing Board [1313.111] ................. . ..................................................... 53
PARTS
Parts Information ............................................................................ 60
Parts List ................................................................................... 68
4!
Page 2
PROFESSIONAL
SPECIFICATIONS
MAIN FEATURES
61 Notes Keyboard-C to C
Phonic extension: 32l7 cycles to 7,902 cycles
Swell Pedal
Flute Section
8 Vuice Stops: 16' - 8 - 5-1/3'
4 - 2-2/3 - 2 - 1-3/5 - 1-1/3
Cancel Tab
Independent Volume Control
Independent Vibrato Control
Clarinetisharp Section
4 Clarinet Voice Stops: 16 - 8 A 5-1/3 - 4'
4 Sharp Voice Stops: z-z/a - 2' - 1-3/5 - 1-1/3
Cancel Tab
Independent Volume Control
Independent Vibrato Control
Percussion Section
B Stops: 16' - a - 5-1/3 - 4' - 2-2/3 - 2 - 1-3/5 - 1~1/3
Percussion length control: Short - Medium - Long
Cancel Tab nperating on the 3 lowest octaves
Cancel 'l'ah operating on the 2 highest octaves
2-position tab for Percussion with synchronized
repetition or for Percussion according to the
Phrasing,
independent Volume Control
Sustain Section
3 Stops: Celt-Sta - Harpsichord - Kinura
2-position Sustain length control tab
Cancel Tab operating on the 3 lowest octaves
Independent Volume Control
Independent Vibrato Conlrul
Vibrato Section
3 Stops: OnlOff - Slow/Fast - Light/Heavy
Overall Output Volume Control
Output for Stereo Headset
'lilting Keyboard
On/Off switch and Pilot lamp
Folding legs
Elegant carrying bag
Voltage: 115 Volt AC. 60 cycles
Dimensions when in usc138 x 18%" x 36"
Dimensions of the instrument closed:
40" X 10" X 20"
Weight: 67 lbs.
42