Roland SH-2000 - Adjusting Touch Sens Gain and Offset

ADJUSTMENT AND CHECKING
NOV 10 1977 SH-2000
Hold Popcorn
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11-A) Adjusting Offset
Oscilloscope Range: 0 .. 1mV/cm
VR101 VR103 VR102
VCO TUN OFFSET WIDTH
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VC0-2
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1) Adjust VR503 to obtain offset voltage of -0.2V with no key down.
VR207 VR203 VR205
VCF BALANCE VCF WIDTH
DC BALANCE
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VCF-2A
OSGI LLOSCOPE
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11-B) Adjusting Touch Sens Gain
Oscilloscope Range: 0.1 V /cm, 0.2ms/cm (Connect No.12 of VCF-2.)
1) Depress D2 lightly and adjust oscilloscope so that one cycle can be clearly displayed. Adjust V R504
so that the equal wave length is displayed when C2 is depressed strongly to effect Touch Sens for
one-note upper tone.
r_[_--?t-~,__--+b---t- .--+--l--if----11vh'l,~/of...-..:J----i ~ D2/C2, MAXI MUM TOUCH SENS (DEPRESS STRONGLY)
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1---1-----+----+---+l+"'':-+---+---+--1+/L-: -+--+----i ---- C2, (DEPRESS SLIGHTLY)
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