Casio CPS-85 Service Manual Download | Manualshive

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Keyboard PCB JCM886T-KY2M

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Summary of Contents for CPS-85

Page 1: ...RANSPOSE OFF ON MIN MAX F G A B C D E A B C E F DIGITAL EFFECT TONE MEMORY PIANO 1 PIANO 2 E PIANO 1 E PIANO 2 HARPSI CHORD VIBRA PHONE PIPE ORGAN JAZZ ORGAN STRINGS SYNTH STRINGS SELECT SONG A SONG B...

Page 2: ...7 Fugue in G minor 8 Moveable Blues 9 Rainbow 10 Ave Maria Playback Repeat sequential play of all tunes playback always starts from begin ning of tune Manual memory Type Real time recording and playba...

Page 3: ...t level Vrms with 47 k load each channel with key B5 pressed in Jazz organ tone L ch 140 mV 20 R ch 160 mV 20 Minimum operating voltage 6 5 V DAMPER PEDAL standard mono jack 1 DC 12 V DC jack 1 Power...

Page 4: ...MA0 MA1 EA0 EIO0 EA14 EIO7 Effect RAM 256K bit LSI5 TC55257DFL 70L DSP LSI1 HG51B277FB LEDs VDD SONGA SONGB DIGITAL EFFECT SELECT STOP LRCK SO Rmel Lmel BCK D A Converter LSI6 UPD6379GR Filter IC104 M...

Page 5: ...F 2 4 G 2 4 G 6 I F 1 4 A 1 4 A 1 4 B 1 5 C 1 5 C 1 5 D 1 5 D 1 5 E 6 I S 2 4 A 2 4 A 2 4 B 2 5 C 2 5 C 2 5 D 2 5 D 2 5 E 7 I F 1 5 F 1 5 F 1 5 G 1 5 G 1 5 A 1 5 A 1 5 B 1 6 C 7 I S 2 5 F 2 5 F 2 5 G...

Page 6: ...utes CPU drops signal POWER to shut all the voltage except VDD off C2 C 2 D 2 F 2 G 2 A 2 C 3 D 3 F 3 G 3 A 3 C 4 D 4 F 4 G 4 A 4 C 5 D 5 F 5 G 5 A 5 C 6 D 6 F 6 G 6 A 6 C 7 D 7 F 7 G 7 A 7 D2 E2 F2 G...

Page 7: ...r G 6 1 5 1 1 T L X 0 T L X t u O n I t u p t u o t u p n i k c o l c z H M 4 2 7 1 C C V n I e c r u o s V 5 9 1 8 1 1 D O M 0 D O M n I d n u o r g o t d e t c e n n o C l a n i m r e t n o i t c e...

Page 8: ...7 O I 0 O I t u O n I s u b a t a D 6 2 B E C R t u O M A R e g a r o t s g n i k r o w e h t r o f t u p t u o l a n g i s e l b a n e p i h C 7 2 3 S S V n I e c r u o s V 0 d n u o r G 8 2 1 D A n...

Page 9: ...ts the data into analog waveforms and output them to each channel separately Synch signal Data Word clock Bit clock Data Word clock Bit clock DSP LSI1 HG51B277FB DAC LSI6 UPD6379GR CPU LSI4 GT913F L O...

Page 10: ...Input Amp Power Amp 9 7 3 5 Input Amp Pre drive Amp Power Amp Input Amp Pre drive Amp Power Amp 4 19 20 21 22 23 1 18 17 15 14 8 RL Short Protector RL Short Protector Terminal Protection Circuit Pop N...

Page 11: ...nal JD connector pin 14 5 CE MCSBO signal LSI3 pin 12 6 OE MRDB signal LSI3 pin 14 7 DAC output L ch JE connector pin 12 8 DAC output R ch JE connector pin13 9 Sound signal L ch JF connector pin 7 0 S...

Page 12: ...12 PRINTED CIRCUIT BOARDS Main PCB JCM423 MA1M Sub PCBs JCM423 MA2M MA3M MA4M Bottom View Top View Top View 8 7 2 1 3 4 6 5 9 10...

Page 13: ...13 SCHEMATIC DIAGRAMS Main PCB JCM423 MA1M 1 2 8 7 6 5 3 4...

Page 14: ...14 Sub PCBs JCM423 MA2M MA3M MA4M 10 9...

Page 15: ...15 Console PCBs JCM423 CN1M CN2 CN3M...

Page 16: ...16 Keyboard PCB JCM886T KY1M...

Page 17: ...17 Keyboard PCB JCM886T KY2M...

Page 18: ...18 Keyboard PCB JCM886T KY3M...

Page 19: ...19 EXPLODED VIEW 27 24 3 22 23 2 28 R 1 29 26 17 9 10 25 22 21 23 4 15 20 7 6 8 1 R 2 R 3 5 19 18 14 16 11 12 13 R 4...

Page 20: ...20 35 33 35 31 30 34 32 SP 2...

Page 21: ...r spare parts department if you need these parts for refurbish 1 Prices and specifications are subject to change with out prior notice 2 As for spare parts order and supply refer to the GUIDEBOOK for...

Page 22: ...03B 2 B D102 103 107 D109 113 2390 1344 DIODE 1SS133T 77 T 5 B D104 105 D111 2360 1946 DIODE ZENER MTZJ5 6CT 77 T 2 A D108 2360 1085 DIODE ZENER HZS6B1LTD T 1 A D110 2360 1939 DIODE ZENER MTZJ5 1CT 77...

Page 23: ...B 25 6909 5890 SWITCH SLIDE KONB CSB 12D 1 B 26 3831 0686 SPEAKER KUS 14RGF01A 2 B 27 6906 8561 COVER BATTERY M210564A 4 1 B 28 5530 0488 RUBBER FOOT RK 24 7 C 29 6921 4590 CAP M412064 1 14 C Accesso...

Page 24: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 MA0700571A...

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