Casio_AP-10_Service_Manual电路图.pdf

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1、ELECTRONIC KEYBOARD AP-10 (with price) RadioFans.CN 收音机爱 好者资料库 2 CONTENTS Safety Notice .2 Specifications.3 Block Diagram.4 PCB Layout.5 Disassembly Instructions. 6 Circuit Description. 10 Major Waveforms .12 Troubleshooting.13 Wiring Diagram .17 Exploded View.18 Parts List.21 Schematic Diagrams. 23

2、 SAFETY NOTICE CAUTION! Danger of explosion if battery is incorrectly replaced. Replace only with the same of equivalent type recommended by the appliance manufacturer.Discard used batteries according to manufacturers instructions. RadioFans.CN 收音机爱 好者资料库 3 SPECIFICATIONS GENERAL Number of keys:88 P

3、olyphonic:24-note Preset tones:5, Piano-1, Piano-2, Electric Piano, Pipe Organ, Strings Layer: On/Off Key transpose:Range of 1 octave by a semitone increment Effects:Reverb-1/Reverb-2/Chorus reverb Demo tunes:5,1. Grande valse brillante (F.F. Chopin) 2. One-Eighty (CASIO original) 3. Harmonious blac

4、ksmith (G.F. Handel) 4. Fugue in G minor (J.S. Bach) 5. Rainbow (CASIO original) Memory:Number of songs:2 System:Real-time recording Memory capacity:Approx. 1200 notes total Memory backup battery: Built-in lithium battery Battery life: Approx. 5 years Pedals:Damper, Soft/Sostenuto Tuning control:440

5、Hz 50 cents Built-In Speakers:14 cm dia. 10 W input rating: 2 pcs. MIDI:8-channel, multi-timbral reception Terminals:Line Out Jacks Output impedance: 2 K Output voltage: 1.5V (rms) MAX, Phone Jacks, MIDI Jacks (IN, OUT) Power source:120V AC (for U.S.A.) 120V/220V/230V/240V (for other countries) Powe

6、r consumption:35 W (with 120V AC), 30 W (with 220V/230V/ 240V AC) Dimensions (HWD):Without stand:165 1340 480 mm (6-1/2 52-13/16 18-15/16 inches) With stand:805 1360 480 mm (31-11/16 53-9/16 18-15/16 inches) Weight:Without stand:25.0 kg (55.1 lbs)/28.0 kg (61.7 lbs) With stand:35.5 kg (78.3 lbs)/38.

7、5 kg (84.9 lbs) Note: There are two models of AP-10, one has a keyboard cover, the other has no keyboard cover. RadioFans.CN 收音机爱 好者资料库 4 Buttons Keyboard FI0 FI10 SI0 SI19 KC0 KC7 KI0 KI2 MIDI INOUT Working Storage RAM (64K-bit) LSI304 LC3564SM-85 MA0 MA12 MD0 MD7 MD0 MD15 MA1 MA19 Sound Source ROM

8、 (8M-bit) LSI303 MX23C8100MC- 12CA27 CPU LSI301 UPD912GF-3BA BCK, SO, LRCKMA0, MA1 EA0 EIO0 EA14 EIO7 Effect RAM (256K-bit) LSI305 LC333832M-70 DSP LSI302 HG51B227FB LEDs VDD HALL STAGE ROOM SONGA SONGB MEMORY LRCKSOBCK D/A Converter LSI306 UPD6379GR Filter IC104 Main Volume LVDD VDD AVCC AVDD 5V 5V

9、 12.5V 5V Voltage Regulator Q101 106, and Q111 T101 Transformer Power Switch Power Amplifer IC101 LA4620 Output Speakers Reset IC IC 302 RN5VD24AA Line Out Amp. IC102 LINE OUT L LINE OUT R BLOCK DIAGRAM 5 PCB LAYOUT POWER VOLUME MINMAX TRANSPOSE/ TUNE/MIDI DIGITAL EFFECT CHORUS REVERB REVERB2 REVERB

10、1 TONE PIANOE.PIANO HARPSI- CHORD PIPE ORGANSTRINGS SONG A SONG BRECORD START/ STOP DEMOMEMORY OFF ON AP-10 MA1MPS2M PS1M PS3M PS4M CN1M TP8-KY1MTP8-KY2M PCB Main PCB Sub PCB Console PCB Other PCBs JCM358- MA1M PS2M CN1M PS1 PS3M PS4M Components CPU, DSP, Sound Source ROM Working storage RAM, Effect

11、 RAM Reset IC, DAC Filter, Lineout Amp., Power Amp. Power supply cir- cuit. MIDI input/output. Main Volume, LEDs, Buttons Fuse, Noise filter Head phone Jack Power lamp 6 For keyboard-cover model 2. Disassembling the keyboard cover 2-1. Remove L-shape metal on inside of the side board. 2-2. Slide the

12、 keyboard cover to open fully. 2-3. Lift the keyboard cover. DISASSEMBLY INSTRUCTIONS 1. Disassembling top board 1-1. Remove 8 screws on the rear. 1-2. Slide the top board towards the rear. The top board will be free from catches on the case. 1-3. Lift the top board. For no-keyboard-cover model 2. D

13、isassembling the front cover 2-1. Remove 4 screws at both ends of the front cover. 2-2. Remove the front cover. 7 3. Disassembling the console panel Note: To avoid scratch on the side board, put paper between the console panel and the side board at both ends. 3-1. The console panel is fixed with scr

14、ews and nuts. Holding the nut, remove the screw. 3-2. Remove the screw fixing a grounding wire at the transformer. 3-3. Slide the console panel towards the front to free from catches. 3-4. Turn round the console panel. 3-5. Remove 2 screws fixing the power switch. Hold this nut. Insert paper here. 4

15、. Disassembling keyboard unit 4-1. Remove 20 screws on the bottom. 4-2. Disconnect 2 connectors for the keyboard unit on the main PCB. 4-3. Remove the keyboard unit from the case. Insert paper here. 8 5. Disassembling keys 5-1. Remove a key spring. 5-2. Use a long-nose plier, pressing the hook, lift

16、 the key. Apply grease G501 6. Disassembling keyboard PCBs 6-1. Turn around the keyboard unit to face the PCB up. 6-2. Disconnect the connector at middle of the keyboard. 6-3. Remove screws on keyboard PCBs 9 7. Replacing the main PCB Note: The main PCB contains a lithium battery for memory back-up.

17、 Please remove the jumper before replacing the PCB. And make sure that the jumper is reset on new main PCB after replacing the PCB. Because no jumper is set on a spare part of the main PCB. Jumper and short-pin Lithium battery 10 CIRCUIT DESCRIPTION KEYMATRIX KC0KC1KC2KC3KC4KC5KC6KC7 FI0A0 1A0 # 1B0

18、 1C1 1C1 # 1D1 1D1 # 1E1 1 SI0A0 2A0 # 2B0 2C1 2C1 # 2D1 2D1 # 2E1 2 EI1F1 1F1 # 1G1 1G1 # 1A1 1A1 # 1B1 1C2 1 SI1F1 2F1 # 2G1 2G1 # 2A1 2A1 # 2B1 2C2 2 FI2C2 # 1D2 1D2 # 1E2 1F2 1F2 # 1G2 1G2 # 1 SI2C2 # 2D2 2D2 # 2E2 2F2 2F2 # 2G2 2G2 # 2 FI3A2 1A2 # 1B2 1C3 1C3 # 1D3 1D3 # 1E3 1 SI3A2 2A2 # 2B2 2

19、C3 2C3 # 2D3 2D3 # 2E3 2 FI4F3 1F3 # 1G3 1G3 # 1A3 1A3 # 1B3 1C4 1 SI4F3 2F3 # 2G3 2G3 # 2A3 2A3 # 2B3 2C4 2 FI5C4 # 1D4 1D4 # 1E4 1F4 1F4 # 1G4 1G4 # 1 SI5C4 # 2D4 2D4 # 2E4 2F4 2F4 # 2G4 2G4 # 2 FI6A4 1A4 # 1B4 1C5 1C5 # 1D5 1D5 # 1E5 1 SI6A4 2A4 # 2B4 2C5 2C5 # 2D5 2D5 # 2E5 2 FI7F5 1F5 # 1G5 1G5

20、 # 1A5 1A5 # 1B5 1C6 1 SI7F5 2F5 # 2G5 2G5 # 2A5 2A5 # 2B5 2C6 2 FI8C6 # 1D6 1D6 # 1E6 1F6 1F6 # 1G6 1G6 # 1 SI8C6 # 2D6 2D6 # 2E6 2F6 2F6 # 2G6 2G6 # 2 FI9A6 1A6 # 1B6 1C7 1C7 # 1D7 1D7 # 1E7 1 SI9A6 2A6 # 2B6 2C7 2C7 # 2D7 2D7 # 2E7 2 FI10F7 1F7 # 1G7 1G7 # 1A7 1A7 # 1B7 1C8 1 SI10F7 2F7 # 2G7 2G7

21、 # 2A7 2A7 # 2B7 2C8 2 FI KC SI LSI UPD912GF-3BA Second contactFirst contact 11 POWER SUPPLY CIRCUIT The power supply circuit generates five voltages as shown in the following table. NameVoltageFor operation of VDD+5 VCPU, Reset IC, DSP, Sound source ROM, Working storage RAM, Effect RAM, LEDs AVDD+5

22、 VDAC LVDD+5 VPower lamp AVCC+12.5 VFilter VC VPower amplifier 12 MAJOR WAVEFORMS 4 DAC outputCA connector pin 1 5 DAC outputCA connector pin 2 8 Key scan signal KC0CC connector pin 2 9 Key scan signal KC1CC connector pin 4 0 Key scan signal KC2CC connector pin 6 Tone : Pipe Organ Key: A4 1 VDDCA co

23、nnector pin 6 2 NMICA connector pin 8 3 POWERCA connector pin 9 A 1ms CH1.2VCH2.2V CH1 CH2 4 5 A .5 s CH15VCH25V CH1 CH2 1 2 3 6 Filter outputCF connector pin 5 7 Filter outputCF connector pin 4 A 1ms CH1.2VCH2.2V CH1 CH2 6 7 A 20s CH15VCH25V CH1 CH2 8 9 0CH3 CH35V 13 Check fuse F101. Is F101 blown

24、up? Check fuse F102. Is F102 blown up? Is voltage 14 V AC? Is voltage VC 17 V DC? Is voltage VDD + 5 V DC? Does signal NMI vary as Fig 1? Does signal POWER vary as Fig 1? Measure output voltage of transformer T101. Replace MA1M PCB. Replace PS2M PCB. Check power switch. Check position of voltage sel

25、ector. Is it OK ? Replace T101. Set voltage selector at proper positon. (A) No No No Yes Replace F101. Replace F102. Yes Yes No No No Yes Yes Yes Yes No Fig 1 Yes No Switch ON VDD voltage Signal NMl Signal POWER 0.9 sec TROUBLESHOOTING 1.No power 14 Press Hall button. Does the LED light up? Measure

26、voltage at pin 9 of CA connector. Is the voltage +5 V? Is a noise made? Touch pin2 of CF connector with test rod (+). Is a noise made? Set main volume to maximum. Touch pin1 of CA connector with test rod (+) of multimeter in resistance range, connecting test rod (-) to ground. Check main volume and

27、connection to the volume. Replace MA1M PCB. Follow from (A) of No sound troubleshooting. No Yes Yes Yes Yes No No No Replace PS2M PCB. 2.No sound 15 Replace PS2M PCB. Is a sound ok? Yes No Replace MA1M PCB.End Replace MA1M PCB. Do the keys function? Yes No Replace keyboard PCBs.End 3.Distorted sound

28、 4.Certain keys do not function 5.A certain key does not function Clean the contact. Does the key function? Does the key function? Yes No No Replace key contact rubber. Replace keyboard PCBs. End Yes 16 Replace CN1M PCB. Does the button function? Yes No Replace MA1M PCB.End 6.A certain button does n

29、ot function 17 Speakers Left Right PHONES POWER Lamp JCM358-PS4M JCM358-PS3M JCM358-PS1 TRANSFORMER MIDI IN OUT POWER Switch PEDAL UNIT JCM358-PS2M JCM358-CN1M TP8-KY1MTP8-KY2M CM-1 CM-2 CM-1 CM-2 LVDD DG BL W R BK BL W R BK TRANS TRANS BR O CF-1 CF-2 CF-3 CF-4 CF-5 CF-R-O CF-R-Y CF-R-E CF-R-BR CF-R

30、-R Lmel OUT Rmel OUT AG Lmel IN Rmel IN HALL STAGE ROOM VDD SONGA SONGB MEMORY KC0 KC1 KC2 KC3 KI2 KI1 KI0 CD-1 CD-2 CD-3 CD-4 CD-5 CD-6 CD-7 CD-8 CD-9 CD-10 CD-11 CD-12 CD-13 CD-14 CD-1 CD-2 CD-3 CD-4 CD-5 CD-6 CD-7 CD-8 CD-9 CD-10 CD-11 CD-12 CD-13 CD-14 CE-1 CE-2 CE-3 CE-4 SOFT N.C. DAMPER GND SO

31、FT DAMPER GND CA-1 CA-2 CA-3 CA-4 CA-5 CA-6 CA-7 CA-8 CA-9 CA-10 CA-11 CA-1 CA-2 CA-3 CA-4 CA-5 CA-6 CA-7 CA-8 CA-9 CA-10 CA-11 Rmel Lmel AG VDD FG VDD DG NMI POWER M-IN M-OUT R BK R BK LSP+ LSP RSP+ RSP CG-1 CG-2 CG-3 CG-4 CG-5 CG-6 CG-7 CG-8 CG-9 CG-1 CG-2 CG-3 CG-4 CG-5 CG-6 CG-7 CG-8 CG-9 DG LVD

32、D L-OUT L-IN LHp RHp R-IN AG R-OUT 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 CB-1 CB-2 CB-3 CB-4 CB-5 CB-6 CB-7 CB-8 CB-9 CB-10 CB-11 CB-12 CB-13 CB-14 CB-15 CB-16 CB-17 CB-18 CB-19 CB-20 SI0 KC0 FI0 KC1 SI1 KC2 FI1 KC3 SI2 KC4 FI2 KC5 SI3 KC6 FI3 KC7 SI4 FI4 CC-1 CC-2 CC-3 CC-4 CC-5 CC-6 C

33、C-7 CC-8 CC-9 CC-10 CC-11 CC-12 CC-13 CC-14 CC-15 CC-16 CC-17 CC-18 CC-19 CC-20 SI5 KC0 FI5 KC1 SI6 KC2 FI6 KC3 SI7 KC4 FI7 KC5 SI8 KC6 FI8 KC7 SI9 FI10 FI9 SI10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 JCM358-MA1M WIRING DIAGRAM 18 EXPLODED VIEW STAND x4 x4 x2 x1 x8 x2 x2 U x4 R-8R-9 R-10

34、 R-11R-11 V 19 R-3 R-5 R-1 R-2 5 2 3 29 1 4 8 7 9 26 30 18 23 22 24 25 2120 R-6 17 11 19 121314151618 19 6 26 10 27 R-4 28 Notes:This parts list does not include the cosmetic parts, which parts are marked with item No. R-X in the exploded view. Contact our spare parts department if you need these pa

35、rts 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 Spare parts Supply, published seperately. 3.The numbers in item column correspond to the same numbers in drawing. PARTS LIST AP-10 FOB Japan

36、NItemCode No.Parts NameSpecificationQM N.R.YenR Unit Price Main PCB BT3013815 0714 Lithium batteryCR1220/1VC 1130B ND3012390 2555 Chip schottky diodeRB500V-40TE-17 124B IC3022105 5173 MOS IC RN5VD42AA-TR 175B LSI3012012 2072 LSI UPD912GF-3BA(T) 1750A LSI3022012 2079 LSIHG51B227FB-11500A LSI3032012 1

37、890 LSI MX23C8100MC-12CA271600A NLSI3042012 1764 LSI LC3564SM-85-TRM 1320A LSI3052012 0777 LSI LC33832M-70-TLM 1410A LSI3062105 4746 LSI UPD6379GR-E1 1150A Q3012250 1162 Chip transistor2SA1576A-T106R 18B Q3022252 0637 Chip transistor2SC4081-T106R 16B NX3012590 2387 Crystal oscillatorHC-49/US24B 1110

38、B NX3022590 2079 Ceramic oscillatorCSACS16.00MX040-TC168B N16924 4790 Main PCB assy M358-MA1MM240318*1 15,590A Console PCB LED401 - 4062370 0630 LEDLN282RPX-(TX3)621B SW401 - 4113412 0903 Tact switchEVQ-21405R 1114A VR4012765 0280 Slide volumeEWA-NAXCH1B14 1100A N26924 4860 Console PCB assy M358-CN1

39、MM240321*1 11,220A Amp. PCB D1012390 2366 Diode stackS4VB20-4033(L10) 1190B NF1023632 0427 Fuse, time-lag(S)T-6.3A162A F1023632 0420 Fuse, time-lagUL-TSC-6.3A-N1162A IC1012114 1883 IC, Amp.LA4620 1270A IC102, IC1042114 1799 IC, OP-amp.M5218APR 235B IC1032114 1421 IC, photocouplerPC900V 1100B J101/10

40、23612 0789 JackYKB21-5010 235A J1033501 4816 DIN jackYKF51-5051 1100B Q1012253 0455 Transistor2SD1762E,F 147A Q102 - 106,2220 1387 Transistor2SC1740SQ-TP-T 88A Q109 - 111 Q107/1082253 0420 Transistor2SD1468SR,S-TP-T 216A ZD1012360 2044 Zener diodeMTZJ6.2AT-77-T 18A NZD1022360 2737 Zener diodeMTZJ10C

41、T-77-T 18A NZD1032360 2772 Zener diodeMTZJ13CT-77-T 18A ZD104 - 1062360 1946 Zener diodeMTZJ5.6CT-77-T 38A N36924 8210 Amp. PCB assy M358-PS2MM140332*2 13,180A PS1 & PS3M PCBs F1013632 0287 Fuse, time-lag(S)T-0.63A149A F1013632 0294 Fuse, time-lagMT4-2A-N1164A N46924 4840 PCB assy M358-PS3MM340345*1

42、 1880B N56924 4920 PCB assy M358-PS4MM340346*11470B J1043613 1533 Jack, phoneHLJ4336-01-3040 1170A Other electrical parts LED1012320 9748 LEDLN28RPH 120B 63613 0217 ReceptacleNC-174-10-C 1110C N73012 1449 TransformerTE-358-1M1 11,290B 86924 5260 Power buttonM340318-1 113B 93412 1827 Power switchSDDL

43、D1-A2-D 1130A Keyboard unit N106924 1810 Keyboard unit88TP/8CASIO 17,180B N11 176924 9040 White key, 1-octave88TP8(42123530)7450A N206924 9030 Black key, 1-octave88TP8(42123460)7360A Notes: N New parts M Minimum order/supply quantity R Rank 21 FOB Japan NItemCode No.Parts NameSpecificationQM N.R.Yen

44、R Unit Price N216924 9050 Spring, for key88TP8(23105360)8821B N226924 9190 Contact, rubber, for key, 1288TP10/8(2564230)6150A N236924 9200 Contact, rubber, for key, 1388TP10/8(2564240)1160A N246924 9060 Keyboard PCB (DX)88TP10/8(42912070)12,800C N256924 9070 Keyboard PCB (SX)88TP10/8(42912080)13,500

45、C Mechnical parts 263831 0966 SpeakerSG13G01BFA 2510B 276924 5390 Rack L10371530001170B 286924 5410 Rack R10371540091170B 296919 3241 Slide knobM311405A-1 117B N306924 5240 Button set 358M240303*1 1110B Stand 316924 6670 Pedal box assyA190007200 13,920B N326924 7100 Screw set for AP-10s standA190007300 1410B AC cord 3701 0196 AC cord (120V, USA)UC-964-J011650C 3701 0595 AC cord (230V, Europe)EC-654-E061720C 3701 0588 AC cord (230V, UK)BC-323-J011860C 3701 0553 AC cord (240V, Australia)SC-101-J021660C Notes: N New parts M Minimum order/supply quantity R Rank 22 23 SCHEMAT