Detailed instructions for use are in the User's Guide.
MAR. 27,198O
SH09
Panel H44 removal screws: (1). (2) 'Tap tight binding head 3 x1Omm Fe,Br _~~ ~~~ ..--(I)- ~~~----____ Jack SG7713 no.4 stereo (OOY-036)/ I Self tapping binding head ~ 3 x 6 mm Bl, Fe, Br ,--(2)+
SH09 [SERVICE NOTESI
SPECIFICATIONS
t
Keyboard ---------- 32-key,F3-C6(8') lor+,ment;o -------- 2-5 s Zune range -------- +65-cent 'ICF 'Cutoff frequency -- 10 Hz-20 ;ctiz Resonance --------- O-cscillation Envelope ; ; py::;:c ZK"Z : ;xc-J;i I',:?; :, j :`;c;iry =sllcYrd
w
-_. : _.% _- .i -I'. -"-7 2:: :y~~j;i";T : .s,e:r-4 ;z- Is;;??-4 ::r: L.,A7.j;z-Lx : m.sl-l,-Q ;r ..x?G.-J T` 2" : .Si::d-;d .-. -T I Ti`T ;--. 1---z : -aa ..1-..;
Choose 2SK3GA-Y for micimm leakage. Check new Q12 for leakage with VCO being LE'C zoa-;lateu aider the foilowing settings: u;E--"G" MOD--"lo" FICDULATGR--RANDO:.: VCO should not drift before tne next d/H pulse ;enerates.
5
MAR. 27,198O OPH43B 149H043B
(Etch mask 052H15OB)
Connect an oscilloscope to T?-3 on OPR47. Apply reference F note to the scope X0. I?1 for Lissajous figures. C) ElllrIGE --refer to A)WIDTH for details-A) 'WIDTH Set RANGE at 8'. 1. With F3 key held down, adjust VR-8 for motionless figures. 2. While pressing down Fl key, adjust VR-9 for motionless figures. F3 pitch will vary as VR-9 turned. 3. Repeat steps 1 and 2 until F3 and Fl figures stand still. B) LINEARITY -- details follow A) WIDTH -Set RANGE at 2'. Adjust the pots. 1. Fl key --- VR-8. 2. F3 key --- 'JR-3. 3. Repeat steps 1 and 2. Set RANGE at 32'. Obtain stable Lissajous figures. 1. Fl key --- VR-8. Place RANGE at 2'. Obtain motionless figures. 1. Fl key --- W-7. Dl FREQUENCY Set RANGE Set TUNE 1. While VR-8 for at 8'. at,its midpoint. playing A2 key,adjust 440 Hz.
View from the foil side
ADJUSTMENT
KEY DESIGNATION only for tne adjustments Fl Ci F; h2
BENDER
F3
I
Panel setting and connection:,,at 10 _,' /iDigital voltmeter! 1. Flip and hold Bender lever at the left(-). Note the reading. L~C 2. Turn and hold the lever at the right (+). Adjast VR-6 on OPH40 for the same reading, but opposite polarity, as in step 1. (Difference between two readings must be within 30 mv.j
KCV
E) DUTY CYCLE Set WAVEFORM at m . 1. Adjust VR-2 for 1:l mark/space.
Adjustments A and B must be repeated because of cross interference between them.
VCF
A) WIDTH Set Controls as shown below. Ctinniect ;igital voltmeter to TP-2 on OFHK. (Fl-7). 1. Press Fl key and note the reading, 2. While ,-ressi:lg F3 key, adjust '/R-l 0:: CFii-LiT; for FL--r f 2.233 7 reading. 3. Sir.ce turning X3-1 has an effect on FL--T, repeat steps 1 and 2 .until F3--T becomes Fl-V + 2.330 v + 1 m!v. 1. While pressing A2 key, set CUTOFF FREQ. for approximate 1 'kHz. 2. While playing F2 and F3 keys alternateiy, turn VR-5 until F3 figure doubles F2 in cycle. 5 FREQTUEMCY
Connect 2sci;lsscope to
TP-3 3n G1HJ7.
J
Slide up CUTOFF knob to "10". 1. With Fl key held down, set 'JR-4 for 20 kHz.
6
MAR. 27,198O
21 :.:
0 OPH46 OPH47 2SK30A 2SC1740-Q or
2X945-4
SH09
PSH3lA lOOV, PSH32A WV, PSH33A 220/24OV
ECEA
148H-a/32/33-A(Etch mask 052H139A) *
?0
0
CD .)
Mylar 5OV K
5 6 7 8
2SA826-Q or 2SA733-Q
0
0
Ceramic 5OV K Check point 59BS8806 SR19R Metal film RJ6
152473 or lS1555 Metal oxide film r`_? CRBfFx OPH46-- Rl86-189 : tailored for nearly equal resistance
2c 19 18 17
3 0
OPH46C( 149H046C )
view tram WI ride
OPH47C( 149H047C )
(PCB 052H141(1)G)
Icll-14: BA662 selected.
...
