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Roland 074021E19, Service Notes, Page: 1 / 59

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Summary of Contents for 074021E19

Page 1: ...RD MAIN Board 44 45 CIRCUIT DIAGRAM MAIN B 1 2 46 47 CIRCUIT DIAGRAM MAIN B 2 2 48 49 CIRCUIT BOARD JACK B USB BOARD 50 51 CIRCUIT DIAGRAM JACK B 1 5 52 53 CIRCUIT DIAGRAM JACK B 1 5 54 CIRCUIT DIAGRAM JACK B 3 5 56 57 CIRCUIT DIAGRAM JACK B 4 5 58 59 CIRCUIT DIAGRAM JACK B 5 5 60 61 CIRCUIT DIAGRAM USB B 62 CIRC B LEFT PANEL BOARD PHONES BOARD 64 65 CIRCUIT DIAGRAM LEFT PANEL B 66 67 CIRCUIT DIAG...

Page 2: ...eave an air gap between the component and the circuit board etc Parts List A component whose part code is cannot be supplied as a service part because one of the following reasons applies Because it is supplied as an assembled part under a different part code Because a number of circuit boards are grouped together and supplied as a single circuit board under a different part code Because supply is...

Page 3: ...BK 5 3 For EU Countries For China For China For EU countries For China ...

Page 4: ...t an audiologist Never allow foreign objects e g flammable material coins pins or liquids e g water or juice to enter this unit Doing so may cause short circuits faulty operation or other malfunctions I mmediately turn the power off remove the AC adaptor from the outlet and request servicing by your retailer the nearest Roland Service Center or an authorized Roland distributor as listed on the Inf...

Page 5: ...e unit is to remain unused for an extended period of time Any accumulation of dust between the power plug and the power outlet can result in poor insulation and lead to fire Try to prevent cords and cables from becoming entan gled Also all cords and cables should be placed so they are out of the reach of children Never climb on top of nor place heavy objects on the unit Never handle the AC adaptor...

Page 6: ... different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with Part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 This device must accept any interference received including interference that may cause undesired operation Unauthorize...

Page 7: ...ble via Makeup Tools Parametric EQ 6 presets 1 User memory Multi band compressor 6 presets 1 User memory Rhythm section Rhythms 305 in 6 Rhythm families localized rhythms for specific areas are included in the WORLD 1 and WORLD 2 families Rhythm Composer Internal Rhythm Composer SMF to Rhythm Converter provided as PC application Win dows on the bundled CD ROM One Touch memories 4 programmable regi...

Page 8: ...TCH EXPRESSION programmable General specifications Speakers 2x 10 cm Rated power output 2x 12 W RMS Power supply AC adaptor PSB 7U adaptor Power consumption 1100mA Auto Off function Off 10min 30min 240min Dimensions Without music rest 1044 W x 317 D x 129 H mm 41 1 8 W x 12 1 2 D x 5 1 8 H inches Including music rest 1044 W x 317 D x 301 H mm 41 1 8 W x 12 1 2 D x 11 7 8 H inches Weight 7 5 kg exc...

Page 9: ...rosoft Windows 7 CPU clock Pentium Celeron processor 1 GHz or higher RAM 512 MB or more Hard disk 2 MB or more Display colors 800 x 600 or higher 65 536 colors 16 bit High Color or more Others CD ROM drive K2288154 SCREW 4X10 BINDING TAPTITE P BZN K2288153 SCREW 3X12 BINDING TAPTITE P BZN A A A A DISASSEMBLY B A A A A A A A B B B B B B B B B B B B A A A A A A A A A A A ...

Page 10: ...KB L25 13449169 JACK SOCKET YKB21 5078 8 9 10 11 A B 12 13 14 15 16 02781189 YKF45 0021N 14 12499175 JSPUE0011A KNOB ON OFF BUTTON 15 16 A B 02900312 DC JACK HEC0470 01 640 04904123 SWITCH POWER PWL 2P2T 6SBPA 001 5100009656 DC PLUG SUPPORTER 01340290 PTR TACT SWITCH EVQ11A05R H 5 0 9 13449275 6 5MM JACK YKB21 5074 04452945 3 5MM JACK YKB21 5344N 10 11 12 13 13449146 6 5MM JACK YKB21 5012G W SW 13...

Page 11: ...BZC 40122923 DOUBLE FACED ADH NITTO NO 501F W20MM 20M K2168129 SPACER PWB USB BK 5 BK 5 OR 01905467 ROTARY ENCODER VERTICAL EVEGC1F2024B K3468363 FFC 26P 0 05x0 7P1 L260 UL20861 SHIELD Screw A B C D K2288152 K2288153 40011312 K2288156 SCREW 3X6 BINDING TAPTITE P BZN SCREW 3X12 BINDING TAPTITE P BZN SCREW 3X8 BINDING TAPTITE P BZC SCREW M3X8 TC TC M C PAN BLK 5100009530 LCD CMF2P0399 E 04459190 USB...

Page 12: ... and fix cables over them The 24P cable coming from Right Panel B must stay over the 26P cable coming Left Panel B 26P 24P 19 20 two adhesive sponges K2268242 on the Pcb like in the picture When you need to replace the Left Panel B with the new one please replace also ...

Page 13: ...ck felt When you need to replace the Encoder B with the new one please replace also When you need to replace the Jack B with the new one please apply 3 pcs of Nitto Bi Stick Tape 575W 30MM 40122556 under the Jack B under the three connectors without peel off the external side as indicated below Do not peel off the tape on the external side 1 5 cm ...

Page 14: ...ANEL SHEET R BK 5 9 01905467 ROTARY ENCODER VERTICAL EVEGC1F2024B K2248211 SPEAKER COVER R BK 5 Low Washer Up Nut NOTE Washer and nut are included in the electronic component Note The MUSIC REST ASSY includes the following part SCREW 3X6 BINDING TAPTITE P BZN 4 pcs K2288152 LF MET MUSIC REST HOLDER E 2 2 pcs MUSIC REST BASE BLACK 04232978 1 pce SCREW 3X12 BINDING TAPTITE P BZN 3 pcs K2288153 MUSIC...

Page 15: ...nge Information here below WOOFER X100DF65 00B 4OHM 20W 4 Note Attention when you substitute K2338102 see page 23 K2338102 SPEAKER BOX R 6 Note Attention when you substitute 04017645 see page 22 04017645 BOTTOM CASE OLD NEW 5100005594 WOOFER X100DF65 00B 4OHM 20W On the BK 5 the WOOFER has been changed CHANGE INFORMATION When you need to replace the speaker with the new one never use them by mixtu...

Page 16: ...312 KEY FELT MSK 2 HOOK T2 0MM L828XW5 5 1 4 03456967 COILED SPRING MSK 1 NATURAL KEY 36 4 03456978 COILED SPRING MSK 1 SHARP KEY 25 5 03786301 KEY FELT MSK 2 BACK T4 0MM L840XW6 0 1 6 04230834 RUBBER SW KEYBOARD 12P FOR MSK 1 4 6 04230845 RUBBER SW KEYBOARD 13P FOR MSK 1 1 7 03786345 PWB KEYBOARD LO ASSY FOR MSK 2 1 7 03786356 PWB KEYBOARD HI ASSY FOR MSK 2 1 8 CHASSIS KEYBOARD FOR MSK 2 1 9 0378...

Page 17: ...0 LF CA FFC 12P 0 05x0 7 P1 L200 UL20624 1 W10 7781609000 5P SHIELDED CBL ASSY 12 2C 5V JST D R 1 W11 K3468362 LF CA ASSY 26WAY 240 240 UI2651 1 JACK BOARD KEYBOARD PITCH BENDER LEFT PANEL RIGHT PANEL LEFT SPEAKER RIGHT SPEAKER USB HOST PHONES BOARD MAIN BOARD USB MIDI CN1 B4P7 VH CN2 B6B PH K S CN1 S6B PH K S CN3 6501S 26GS2 CN4 28FMN BMTTN A TF CN5 28FMN SMT A CN5 B2B PH K S CN6 12FMN BMTTN A TF...

Page 18: ... 1 Wrap the cable with their sponge cushions speaker cables as showed here under START FROM HERE 2 Solder the cables onto the Right and Left speakers 04125312 3 Place the Right and Left Speakers and place the cable through the cut on the felt cushion speaker 04128390 as showed here under Make sure that the cable stay inside speaker box slot GREE BLUE GREE RED ...

Page 19: ... cable and speaker box slot right and left side 5 Bend down the cable with 90 angle and then place the cables in the clearance between the speaker boxes and the rear side of bottom cabinet Make sure that the cables are in this position ...

Page 20: ...2248209 SHORT ADHESIVE FELT MM 290x10 TH 1 as showed here under When you apply adhesive felt pay attention not to go beyond the reference mark Add adhesive felt NOTE bend adhesive felt How to replace the ADHESIVE FELT and NITTO ACETATE TAPE 5 code 40122612 on Bottom Case and Speaker box R L ...

Page 21: ...BK 5 23 When applying black felt K2248208 respect the refererence mark Apply the acetate tape along the whole profile of the Left and Right Speaker Boxes Chek adhesion on corner Add adhesive felt ...

Page 22: ...RY ENCODER VERTICAL EVEGC1F2024B ENC1 on Encoder B 1 04904123 SWITCH POWER PWL 2P2T 6SBPA 001 SW1 on Jack B 1 J3169104 SWITCH EVQ QJJ05Q SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 SW9 30 SW10 SW13 SW14 SW15 SW16 SW17 SW18 SW19 SW20 SW21 SW22 on Left Panel B SW14 SW15 SW16 SW17 SW18 SW19 SW20 SW21 SW22 SW23 on Right Panel B DISPLAY UNIT A 5100009530 LCD CMF2P0399 E 1 JACK SOCKET 02232245 RCA PIN JACK YKC21 36...

Page 23: ...l B D2 D3 D4 D9 D14 D15 D16 D17 D18 D19 D23D24 D29 D30 D31 D32 D33 D34 D35 D40 D45 D46 D47 on Right Panel B 15119126 DIODE 1SS 133T REDUCED PITCH D1 D2 D3 D4 D10 D11 D12 D13 D21 D22 D23 45 D26 D27 D30 D31 D33 D34 D39 D40 D42 on Left Panel B D5 D6 D7 D8 D10 D11 D12 D13 D21 D22 D23 D24 D29 D30 D31 D32 D33 D34 D35 D40 D45 D46 D47 on Right Panel B 01121323 DIODE DA 204U T 106 CHIP D1 D2 D3 D4 D5 D6 D7...

Page 24: ...7 P3 96 JST 1 SCREW 40011312 SCREW 3X8 BINDING TAPTITE P BZC 77 K2288152 SCREW 3X6 BINDING TAPTITE P BZN 12 K2288153 SCREW 3X12 BINDING TAPTITE P BZN 20 K2288154 SCREW 4X10 BINDING TAPTITE P BZN 21 K2288156 SCREW M3X8 TC TC M C PAN BLK 2 K2288157 SCREW M3X12 TC TC M C PAN BLK 1 PACKING K2618367 PACKING CASE BK 5 1 K2638412 EPE CENTER PAD BK 5 BK 5OR 1 K2638413 EPE LEFT PAD BK 5 BK 5OR 1 K2638414 E...

Page 25: ...M FOR UK PSB only for 230VE 1 02562456 AC CORD SET 120V 1 0M NON POLAR only for 117V U 117V U CS 1 03785590 AC CORD SET SC 078 NA05 240VA only for 240VA 1 5100000564 AC CORD SET CCC 452 04038 02 01 only for 220V CN 1 01903334 AC CORD SET 100V 1 0M FOR PSB only for 100V 1 5100012293 AC CORD SET 117VBL 1 0M FOR PSB only for 117V BL 1 ...

Page 26: ...ta stored on a USB memory You can carry out a factory reset in two ways A automatically at the end of the Test Mode refer to Test Mode 18 Factory Reset page 41 B with the following procedure 1 Press the MENU button The display changes to 2 Rotate the CURSOR VALUE dial to select the Factory Reset entry then press the ENTER SELECT button 3 Rotate the CURSOR VALUE dial to select YES then press the EN...

Page 27: ...re you must not a switch off the BK 5 b disconnect the Usb Memory TEST MODE user settings are lost when a Test Mode operation is executed Required Items OSCILLOSCOPE NOISE METER WAVEFORM GENERATOR MONITOR LCD i e 7 inch with S VIDEO input and with automatic PAL NTSC selection HEADPHONES ROLAND DP 8 PEDAL SWITCH ROLAND EV 5 EXPRESSION PEDAL USB MEMORY like ROLAND M UF2G PSB 7U AC DC Universal Adapt...

Page 28: ...item keep the POP ROCK button pressed and then press TEMPO button Test Items 1 Software version check pg 30 2 Switch and led check pg 31 3 Encoder check pg 31 4 Switch pedal Expression pedal check pg 32 5 ADC input check pg 33 6 MIDI IN OUT check pg 33 7 USB MIDI check pg 33 8 USB MEMORY check pg 34 9 LCD check pg 34 10 Video out check pg 35 11 Keyboard check pg 35 12 Speakers check pg 36 13 Phone...

Page 29: ...ch switch pressed the relative LED will be lit At the end of the sequence the test will automatically go to the next test 3 Encoder check The display shows 1 Rotate the CURSOR VALUE dial to right clockwise and make sure the value on the display changes from 0 to 25 2 Rotate the CURSOR VALUE dial to left counter clockwise and make sure the value on the display changes from 25 to 0 3 Push the ENTER ...

Page 30: ...ows Hold OFF OK 5 Connect the DP 8 to BK 5 PEDAL SWITCH EXPRESSION input 6 Verify that the display shows Switch OFF 7 Press the DP 8 Pedal and verify that the display shows Switch ON 8 Release the DP 8 Pedal and make sure the display shows Switch OFF OK 9 Remove the DP 8 Pedal and connect the EV 5 pedal to BK 5 PEDAL SWITCH EXPRESSION input 10 Move the EV 5 Pedal and verify that the value shown gr...

Page 31: ... display shows Modulation 000 5 Move MODULATION lever and verify that the relative value shown gradually changes from 000 rest position to 127 forward position 6 Press START STOP button to go to next test 6 MIDI IN OUT check The display shows 1 Connect the MIDI cable between BK 5 MIDI IN and MIDI OUT 2 Verify that the display shows Connected 3 Disconnect the MIDI cable from BK 5 MIDI IN and MIDI O...

Page 32: ...check The display shows 1 Connect the USB Memory like ROLAND M UF2G to USB MEMORY socket 2 Verify that the display shows USB MEMORY Connected and READ WRITE OK 3 Remove the USB Memory and make sure the display shows USB MEMORY Disconnected OK 4 Press START STOP button to go to next test 9 LCD check The display shows 1 Press the following four switches and check the related display LCD condition 2 ...

Page 33: ...pe so carefully check this difference 2 Press START STOP button to go to next test 11 Keyboard check The display shows 1 Move the MASTER VOL knob to the maximum position 2 Verify that all keys produce a sound Press the keys lightly and strongly ve rifying that the sound volume changes accordingly 3 Press the switch ENTER to go ahead 4 Press all keys one by one exerting a MEDIUM pressure for each p...

Page 34: ...ity according to VOLUME position 6 Check the VOLUME potentiometer changes smoothly and at the minimum position the sound is completely nil 12 2 Speakers flutter check sweep test 1 Move the VOLUME potentiometer to center 12 o clock and press the switch ENTER to go ahead Keyboard Low Range Test 2 Confirm a bass range sine wave with up and down changes in pitch is output from speakers and that the sp...

Page 35: ... ENTER and check the sound on the speakers is completely nil MUTE test 3 Press the switch ENTER and check the sound coming out from both Speakers 4 Press the switch ENTER and check the sound on the speakers is completely nil DAC POWER test 5 Press the switch ENTER and check the sound coming out from both Speakers 6 Press the switch ENTER and check the sound on the speakers is completely nil AMP SH...

Page 36: ...s check The display shows Setting Connect the BK 5 OUTPUT L R to oscilloscope s CH1 CH2 inputs by means of 2x Mono Audio cables 1 Press VARIATION 1 button Check the following values on the oscilloscope CH1 PHONE LEFT 50hz 15 00 Vpk 1 50 Vpk CH2 PHONE RIGHT 100hz 15 00 Vpk 1 50 Vpk CH1 PHONE LEFT 1Khz 15 00 Vpk 1 50 Vpk CH2 PHONE RIGHT 2Khz 15 00 Vpk 1 50 Vpk CH1 PHONE LEFT 5Khz 15 50 Vpk 1 50 Vpk ...

Page 37: ...pressed button and verify that the waveforms are completely nil 5 Press START STOP button to go to next test 15 Audio Input socket check The display shows Setting Connect the n 2 Mono Audio Cables from BK 5 EXT INPUT to the Waveform generator Connect the BK 5 OUTPUT L R to oscilloscope s CH1 CH2 inputs Measure 2 5Vpp here just out from Wave generator The cable must not be connected to BK 5 INPUT W...

Page 38: ...rm generator Wave generator OUT L Freq 1Khz sine wave Amplitude 2 5Vpp measured with cable not connected to BK 5 Wave generator OUT R Freq 1Khz sine wave Amplitude 2 5Vpp measured with cable not connected to BK 5 2 Check the following values on the oscilloscope 3 Keep pressed VARIATION 1 button and verify that the waveforms are completely nil 6 Press START STOP button to go to next test 16 Noise c...

Page 39: ...tically starts Verify that OK is indicated as the check result 2 The second group of tests automatically starts Verify that OK is indicated as the check result 3 At the end of the sequence the test will automatically go to the next test 18 Factory Reset and Auto Power off check The display shows 1 Press WRITE button to execute the Factory Reset 2 At the end the display shows 3 Press ENTER button a...

Page 40: ...IRING 4 PIN IC17 M30302MAP Ver 1 03 SUBCPU X2 16 MHz UART 250 kbps KSMTXD 2 MHz IC10 S1L50282F32H200 ENCODER BOARD KSM WIRING 6 PIN WIRING 3 PIN IC4 MAX9744ETH POWER AMP FFC 12 pin 1 00 mm pitch FFC 28 pin 1 00 mm pitch FFC 18 pin 1 00 mm pitch WIRING 5 PIN CN1 IC12 UPC29L33T IC7 Q19 2SC2873 Y IC16 PQ1CZ41H2ZPH IC14 NJM2374AM IC15 PQ1CZ41H2ZPH 5VD IC18 19 TC74VHC138FT CN10 Cable Assy 26 pin CN8 SW...

Page 41: ...Jan 2012 44 CIRCUIT BOARD MAIN Board fig b main 1 eps ...

Page 42: ...BK 5 45 ...

Page 43: ...DQMH 15 DQML 36 A12 6 VSSQ 46 VSSQ 12 VSSQ 2 DQ0 4 DQ1 5 DQ2 7 DQ3 8 DQ4 11 DQ6 13 DQ7 42 DQ8 44 DQ9 45 DQ10 47 DQ11 48 DQ12 50 DQ13 10 DQ5 51 DQ14 38 CLK DQ15 53 VDDQ 43 VDDQ 9 VDDQ 49 VDDQ 3 VDD 27 VDD 1 VDD 14 VSS 54 VSS 28 VSSQ 52 41 VSS NC 40 20 BA0 21 BA1 35 A11 22 A10 AP 34 A9 33 A8 31 A6 30 A5 29 A4 26 A3 0 1uF C43 0 1uF C38 10uF C44 0 1uF C37 10k R30 EXB28V103JX RA37 1 8 6 5 4 3 2 7 10k R...

Page 44: ...SD0 AHP11 DCK AD1 ED7 TRR7 EDL7 F1 ED6 TRR6 EDL6 G2 ED5 TRR5 EDL5 G1 M12L16161A 7TG 0 11UM IC7 15 _WE 34 CKE UDQM 36 A4 27 35 CLK 37 NC RFU 33 NC 26 VSS 7 VDDQ 13 VDDQ 38 VDDQ 8 DQ4 9 DQ5 11 DQ6 12 DQ7 39 DQ8 DQ10 42 43 DQ11 45 DQ12 46 DQ13 48 DQ14 49 DQ15 40 DQ9 14 LDQM VDDQ 44 VDD 1 VDD 25 DQ0 2 DQ1 3 DQ3 6 DQ2 5 VSSQ 4 VSSQ 41 VSSQ 47 10 VSSQ VSS 50 20 A10 AP 32 A9 31 A8 30 A7 29 A6 28 A5 24 A3...

Page 45: ...BK 5 Jan 2012 51 50 CIRCUIT BOARD JACK B USB BOARD ...

Page 46: ...117 100pF R18 22Kohm L5 CDRH127 LDNP 100MC C334 100nF C101 100pF C101 100pF C5 10u Q9 2SC 4213 A TE85L F 1 2 3 R22 22Kohm C75 10nF R36 22Kohm IC3B NJM4580M TE3 6 5 7 R60 15K R42 100K C97 22uF C3 10u Q4 RN2426 1 2 3 R119 100 R119 R102 22 R107 68K R58 3K3 R13 22 R12 100K C110 22uF C38 100uF C73 NIU R88 68K L10 EXCML16A270U D6 DA204U 2 1 3 R35 47K C343 100nF R28 10K C18 47uF JK1 YKB21 5344 1 2 3 4 5 ...

Page 47: ... 7 C159 NIU R142 0 RA8D 4x100 4 5 R132 100 RA3B 4x100 2 7 C148 NIU RA2 8x47K 4 5 6 7 8 9 3 2 1 10 C139 100nF RA5C 4x100 3 6 IC10 S1L50282F32H200 ksm D0 83 D1 84 D2 85 D3 86 D4 87 D5 88 D6 89 D7 90 D8 92 D9 93 D10 94 D11 95 D12 96 D13 97 D14 98 D15 99 A1 79 SMOD 72 PR0 3 CKCT1 65 CKCT2 66 CKCT3 67 CKCT4 68 CKCT5 69 CKCT6 70 POLA 71 PR1 5 CLKIN 61 PR2 7 TXEN 73 2KBD 2 MASK 27 INT 80 CS 78 RD 81 PR3 ...

Page 48: ...BK 5 55 ...

Page 49: ... 640 2 1 3 R149 NIU TP29 C182 100nF C174 NIU D15 KDZ TR 13B C173 100nF R170 4K7 C206 22pF C222 470u TP10 R158 NIU D13 DA2J10100L C169 470uF R152 68K R185 22 R192 22 R215 270ohm C184 10uF R150 NIU IC12 UPC29L33T E1 AZ IN 3 GND 2 OUT 1 R190 1K G1 S1 S2 S3 D4 D3 D2 D1 Q12 TPC8125 LQ G1 3 7 4 2 1 6 5 8 TP23 TP28 C215 100uF TP27 C172 100nF R184 68 R204 0 C188 10uF C216 150u R202 2 2 ohm TP24 C194 100uF...

Page 50: ... 24FMN BTK A LF SN 3 4 5 6 7 8 2 1 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 RA19C 33 3 6 Q34 DTC114EKAT146 PB FREE 2 1 3 Q42 2SC2412 2 1 3 C246 100nF R335 10K R283 NIU Q24 RN2426 1 2 3 R261 0 RA12A 10K 1 8 RA11B 33 2 7 D23 KDS122 2 1 3 C264 100nF RA14B 10K 2 7 R246 0 C241 1uF R370 NIU Q38 DTC114EKAT146 PB FREE 2 1 3 RA21A 10K 1 8 RA16D 10K 4 5 IC22D TC74VHC14FT EL NIU 9 8 R307 0 R301 1K R333...

Page 51: ... 10K 2 7 C280 10u C312 100nF C305 NIU R361 0 TP34 RA23C 10K 3 6 C329 100nF C277 100nF C273 100nF C327 100nF X3 27 1 3 4 2 C328 100nF C315 1uF RA23D 10K 4 5 L41 N1608Z601T01 R357 0 R351 75 ohm 1 2 IC24 S1D13746F01A600 MD3 79 MD2 78 MD1 77 VSS9 94 VSS8 91 MD0 75 TE 105 GPIO_INT 106 RESET 107 SI 118 SO 119 SCLK 120 OSCVSS 56 PWRSVE 1 OSCI 54 OSCO 58 CLKI 68 VSS7 67 CLKOUT 71 DACVCC0 14 SCANEN 10 TEST...

Page 52: ...Jan 2012 62 CIRCUIT DIAGRAM USB B TO S BOARD CN2 RV1 NIU C1 10uF R1 0ohm RV3 NIU RV2 NIU CN1 S5B PH K S 3 4 2 1 5 L1 ACM2012 900 2PT 2 1 4 3 JK1 YKF45 0033N 1 2 3 4 5 6 ...

Page 53: ...BK 5 63 ...

Page 54: ...BK 5 Jan 2012 65 64 CIRCUIT BOARD LEFT PANEL BOARD PHONES BOARD ...

Page 55: ...LHR3EC041 O D1 1ss133t D41 1ss133t D29 1ss133t D23 1ss133t D13 1ss133t O D9 LHR3EC041 O D10 1ss133t CN1 26FMN STK A LF SN 3 4 5 6 7 8 2 1 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 O D31 LHR3EC041 O SW14 EVQ QJJ05Q O D15 LHR3EC041 O SW21 EVQ QJJ05Q D18 SPI 325MUWT31 1 2 3 SW3 EVQ QJJ05Q SW11 EVQ11A05R SW16 EVQ QJJ05Q D4 1ss133t SW8 EVQ QJJ05Q D24 1ss133t O D19 LHR3EC041 O D3 1ss133t D35 ...

Page 56: ... CIRCUIT DIAGRAM PHONES BOARD A A A A A TO JACK BOARD CN2 CN1 S6B PH K S 3 4 2 1 5 6 C1 NIU L1 SBT 0460 JK1 YKB21 5078 1 2 3 4 5 6 7 8 9 C2 NIU L2 SBT 0460 L3 SBT 0460 L4 SBT 0460 JK2 YKB21 5078 1 2 3 4 5 6 7 8 9 ...

Page 57: ...BK 5 69 ...

Page 58: ...BK 5 71 CIRCUIT BOARD RIGHT PANEL BOARD ENCODER B Jan 2012 70 CIRCUIT DIAGRAM ENCODER BOARD D D TO JACKBOARD CN12 A B COMM ENC1 EVEGC1F2024B 3 2 1 5 6 C1 NIU C2 NIU CN1 S3B PH K S 3 2 1 ...

Page 59: ...3EC041 D22 1ss133t D34 1ss133t O D4 LHR3EC041 SW22 EVQ QJJ05Q O D27 LHR3EC041 SW3 EVQ11A05R D8 1ss133t O D44 LHR3EC041 D6 1ss133t D7 1ss133t D13 1ss133t D29 1ss133t O D18 LHR3EC041 O D1 LHR3EC041 NIU D10 1ss133t O D42 LHR3EC041 SW12 EVQ11A05R CN1 24FMN STK A LF SN 3 4 5 6 7 8 2 1 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 O D37 LHR3EC041 O D19 LHR3EC041 D45 1ss133t O D3 LHR3EC041 O D2 LHR3EC04...

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