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Yamaha CS01 II Service Manual page 6

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CS01 II
CSOl II
IPRINTED CIRCUIT BOARD LAYOUT / GENERAL ADJUSTMENTS
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PROCEDURE
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WHERETO ADJUST
1SSVR
Master Oscillator
IC1 pin24
• Place both [PITCH BEND] and [PITCH 1 controls in the "0"
position and adjust VR3 for a frequency of 565.3kHz±0.5
kHz with a frequency counter.
• [PITCH BEND] £ "0"
L, IPITCH
"0"
1C
Ltzt ^{Z
565.3 + 0.5kHz
Trl~3, 5
~Tr4
TrlO, 12,16
Tr6~9, 11,
13-15, 17, 18
Dl-42
D43, 44
ZD1
ZD2
LED
Transistors
'C075220_2SC752(Y)_
iAl 16400_2SA1164( Y )_
iC181570_2SC1815(0, Y)_
iA101570
2SA1015(O, Y)
Jacks
LB301640
Jack, Mini, Stereo S-G8040
LB 301650
Jack, LINE OUT, Stereo
LB301650_Jack, PHONES, Stereo
LB20214Q
Jack, DC-IN S-G9312
_Diodes
iF000040
1 SI 555
iH00059Q
10E-1
~~
iF002140
RD5.6EB2
iF005700_RD5.1EB2_
.
iF001190
TLR-124
• By depressing B4 key, adjust VR1 to achieve maximum
IC3 pin 1
amplitude with I FREQ CUT 0FF| and I RESONANCEl
controls at the center position.
• Place | FEET | control in the "WN" position and adiust
VCF
TP10
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1
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I RESONANCE I control for a voltage of — 1V + 0.1V.
• First set VR2 for a voltage of 0.5Vp-p or less. Then
IC3 pin 1
gradually turn it and adjust so that the output waveform
reaches 0.8Vp-p.
Battery
• Power indicator LED flashes when the battery voltage is less
Indicator
than 6.5V (±0.5V). Recommended that all batteries be replaced.
• ICUT OFFl. 1 RESONANCEl
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• m!ft<7)l:E*s'6.5±0.5VrJ.T'C LED
7
6
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