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Roland Va-7, Service Notes

The Roland Va-7 is a versatile music workstation, offering an extensive range of features for creative musicians. Elevate your musical creations with the Va-7 by accessing its Service Notes manual, available for free download at our website. Unlock its full potential and explore endless musical possibilities today.

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VA-7

July, 2000

RIBBON PCB ASSY & CIRCUIT DIAGRAM

ASSY   7770107000

View from component side

View from component side

View from component side

INVERTER PCB ASSY & CIRCUIT DIAGRAM

ASSY   7711203000

D-BEAM  PCB ASSY & CIRCUIT DIAGRAM

ASSY   7700609000

To LCD

2

1

CN2

S2(4-2.3)B-XH-A

JP1

JP2

DC-IN

1

DC-GND

2

AC-OUT1

3

AC-OUT2

4

AC-GND

5

MOD1
CXA-K10A-L

C1

100nFC

C2

470uF16

From Power Supply
Cn5

3

4

2
1

CN1

5045-04A

TO RIBBON 

To CN3 on POTENTIOM. B.

RIBB

REF5V

D

REF

C8

1uF16

CN1

5597-08APB

1

2

3

4

5

6

8
7

R21

100K

R17

820

R19

10K

NIU

R20

1K

D3

BZW04-5V8B

1

2

R24

820

R22

10K

CN2

53014-0410

3
4

2

1

C1
100nFC

PULSE:

DUTY:12.5%

FREQUENCY:6.84KHz

PULSE WIDTH:18.3uS

PULSE

BEAM

BEAM

-12V

12V

-12V

5V

5V

5V

12V

12V

D215
TPS708

1

2

CN15

53014-0710

3
4

2

1

5
6
7

R70
10K

C46

150pF

R71

100

R72

1.8

R73

1.8

R74
100

R75

22

R76

22

Q16
2SC2235Y

3

1

2

Q17

2SC1815GR

3

1

2

R78

100K

R79

1K

R80

10K

R81
1M

C49

10nF

5%

C50

0.1C

C51

0.1C

D216

TLN201

2

1

R77
3K3

C43

1uF25

IC10B

UPC4570HA

7

6

8

IC10A
UPC4570HA

3

4

2

1

5

9

C47
0.1C

C48

10uF16

C44

10uF16

C45

10uF16

From CN21 on MAIN B.

Summary of Contents for Va-7

Page 1: ...ccessories See details on page 9 Options PK 5 Dynamic MIDI Pedal FC 7 Foot Controller MSA MSD MSE series floppy disks Roland third party RH 25 50 Headphones DP 2 Pedal switch DP 6 Pedal switch pino type BOSS FS 5U Foot Switch EV 5 Expression pedal BOSS FV 300L Foot Volume Expression pedal KC 100 300 500 Keyboard Amplifiers Iomega is a registered trademark Zip is a trademark of Iomega Corporation A...

Page 2: ...NTRAST MIC LINE FC7 PEDAL MIN MAX THRU IN OUT PEDAL SWITCH FOOTSWITCH R R INPUT L MONO L MONO MIDI FOOT FOOT SUSTAIN STEREO OUT STEREO OUT STEREO IN STEREO IN VARIPHRASE GAIN LEVEL AC ATTENTION RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN N225 THIS CLASS B DIGITAL APPARATUS COMPLIES WITH CANADIAN INTERFERENCE CAUSING EQUIPMENT REGULATIONS CET APPAREIL NUMERIQU...

Page 3: ...3 VA 7 July 2000 EXPLODED VIEW TOP ...

Page 4: ... TURBOLESS PITCH BENDER PBH0201 A B C D E J2289186 J2289193 J2289108 J2289125 J2289116 SCREW SCREW 3 5x16 TCPR TFR H 8 BRUN SELF LOCK SCREW M3x6 TC TC H 6 SELF LOCK SCREW M3x10 TCTC H 6 SCREW 2 9x10 TC TC PR TROP SELF TAP SCREW 3 5x13 TCTC No Part No Description 1 7770127000 VARN SILK BOTTOM CABINET 2 3 7700417000 61 KEY KEYBOARD ASSY TP9S AT 4 J2359101 SPACER 3M ART SJ5012 5 K2458145 SWITCHING PO...

Page 5: ... A A A B B B B B B D D A A A B C C G H EXPLODED VIEW BOTTOM START PRODUCTION MODULE XPGS 6 BOARD code 7770111000 no service Below the iron support MASS PRODUCTION From Serial n Z N6 5325 July 2000 MODULE XPGS 6 BOARD code 7770132000 On the Main Board For details see Change information on page 16 ...

Page 6: ...014 0310 53014 03103 CN3 CN5 CN3 53014 1410 53014 081 0 5 CN2 CN3 12 11 53014 1210 53014 1110 3 CN13 53014 0310 53014 1210 53014 111 0 53014 0710 12 11 7 CN15 CN16 CN17 53014 0310 CN4 3 CN12 5 53014 0410 CN5 53014 0410 CN15 53014 0710 7 D BEAM PCB ASSY 53014 0310 CN3 4 4 RIBBON PCB ASSY CN2 5597 08AP B SWITCH D BEAM PCB ASSY 4 4 53014 0410 53014 0410 CN11 CN1 53014 0410 53014 1210 53014 1010 CN7 C...

Page 7: ...478324 BUTTON 20X10 WHITE 4 1 K2478325 BUTTON 20X10 WHITE 5 1 K2478326 BUTTON 20X10 WHITE ONE TOUCH 1 K2478327 BUTTON 20X10 WHITE STYLE 1 K2478328 BUTTON 20X10 WHITE TONE 1 K2478329 BUTTON 20X10 WHITE USER PROGRAM 1 K2478330 BUTTON 20X10 DARKGREY ORCHESTRATOR 1 K2478331 BUTTON 20X10 DARK GREY VIRTUAL BAND 1 K2478332 BUTTON 20X10 DARK GREY SONG COMPOS 1 K2478333 BUTTON 20X10 DARK GREY FUNCTION M 1 ...

Page 8: ...5289117 NJM 5532MD TE1 OP AMP IC7 10 14 on AB 3 15199286 I C AN78L05M FLAT REG R IC2 on AB 1 J5259133 I C TA7805 AF IC3 on AB 1 J5199101 I C TDA 7350 POWER AMP IC6 7 on AMP B 2 7770115000 I C IDE IC33 on MB Programmed 1 TRANSISTOR 15119155RI TRANSISTOR BC 560 B Q5 on AB Q9 on MIDI Q1 on AMP B 3 15119154RI TRANSISTOR BC 549 B Q2 on AMP B Q12 35 on CB Q1 3 MIDI 17 15129114 TRANSISTOR 2SC 1815GR Q1 2...

Page 9: ... 02230034 KX14 40K5D CONNECTOR CN11 on MB 1 J3439172 8P MALE CONNECTOR 90 P 2 M CN10 on CB 1 J3439173 7P MALE CONNECTOR 90 P 2 M CN17 on CB 1 J3439174 9P MALE CONNECTOR 90 P 2 M CN4 on PB 1 J3439175 11P MALE CONNECTOR 90 P 2 M CN1 on PB CN16 on CB 2 J3439176 12P MALE CONNECTOR 90 P 2 M CN7 15 on CB 2 WIRING CABLE 00783234 BENDER CABLE 35 W4PC P 2 For details refer to WIRING DIAGRAM on page 6 1 K34...

Page 10: ...System Program version Turn the instrument on while keeping the PIANO ONE TOUCH INTRO buttons pressed the display shows You can check the instrument software version pressing the BANK 1 button After a few seconds the display shows To exit from this screen display turn the instrument off VA 7 Virtual Arranger Ver XX XX Day Month Day no Time Year CPU Bios Version Ver XX XX Flash xxxxxxxx Size xxxxxx...

Page 11: ...program up zip disk on your VA 7 Check that no floppy disk is inside Turn it on while pressing the BACKGROUND MELODIC RHYTMIC buttons The following writings will appear on the screen Select point 1 UPDATE VERSION on the display Wait until the update is finished then power off and on the instrument again You can copy the Vp program update file onto a zip disk by downloading it from your PC but ATTE...

Page 12: ...to exit VA 7 SWITCH TEST Nome XXXXX O N OFF Next XXXXX Press Bank 8 and Bank5 to exit 4 LCD Check Press the BANK 4 button the display shows Action If you press the BANK 1 button the display will be blue If you press the BANK 2 button the display will be white If you press the BANK 3 button the display will be gray If you press the BANK 4 button the display will show some numbers normal If you pres...

Page 13: ... SCREEN TEST BANK1 Exit calibrate BANK2 Confirm calibration Press BANK5 to exit VA 7 TOUCH SCREEN TEST BANK1 calibrate BANK2 touch X Touch Y test Press BANK5 to exit You have to carry out the calibration again Press the BANK 5 button to go to the next test BANK2 touch X Touch Y test Action Pressing the BANK 2 button you enter the test to check the LCD darkest area the display shows Action Touch wi...

Page 14: ...shown connect the Midi Cables between VA 7 and an external instrument as shown in the above diagram Make sure that either the OK or the ERROR message appear on the display Then keep the cable connection between the IN and OUT sockets of VA 7 and connect VA 7 with another external instrument by using its Midi Thru output and the second Midi Cable If the result of this Midi Test is OK you ll hear an...

Page 15: ...rmal pen is required Press the left lower corner of each slit with the pen for a few seconds according to the numbering shown in the following picture When the VA 7 recognizes the touch will change into 0 PITCH BENDER CALIBRATION ALL RIGHT POSITION Then Press M FX on off Key PITCH BENDER CALIBRATION ALL LEFT POSITION Then Press M FX on off Key PITCH BENDER CALIBRATION CENTER POSITION Then Press M ...

Page 16: ...ew one with different dimension START PRODUCTION MODULE XPGS 6 PCB ASSY code 7770111000 MASS PRODUCTION MODULE XPGS 6 PCB ASSY code 7770132000 from Z N6 5325 July 2000 production PART TO BE ORDERED Please order always MODULE XPGS 6 PCB ASSY code 7770132000 MEASURE When you have to replace an XPGS 6 code 7770111000 and receive from us as a spare parts an XPGS 6 new version code 7770132000 please be...

Page 17: ...0 6 7 AN3 5 IC1 MIXER I V I V RELAY IC4 PHONES BOARD L M R L M R MASTER LPF LPF 5V DIG 5V LCD 5V FLOPPY RESET IC5 IC1 XPORT PORT D 0 1 IC8 SCSIRST MUTE XRST WVOUT RL1 IC9 IC3 IC5 IC11 IC12 0 2 4 9 IC21 A 1 12 XCE0 1 IC16 X2 16MHz XTAL IC13 MAIN BOARD AUDIO BOARD MIDI BOARD IC3 IC4 Q1 Q11 MIDI INPUT OUTPUT IC12 IC13 Q3 MUTE 17V POWER AMP SWM 80 DEBOUNCE IC10 IC11 IC12 IC13 IC9 RELAY DRIVER AMP AMP ...

Page 18: ... F G H I L M N O P Q R S T U J K 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 18 11 VA 7 July 2000 MAIN PCB ASSY ASSY 7770110001 E View from component side View from solder side ...

Page 19: ... 100uF25 C71 100uF16s C14 100nFs C16 100nFs C3 10nFs C1 33uF25s R2 1Ks R31 10Ks R32 10Ks R33 10Ks R7 47s R10 470s R12 100s R56 100s C76 10nFs RA32 4X10Ks 4 5 6 7 8 3 2 1 R110 0s X1 20MHz TP TP11 TP R115 10Ks RA17 4X47s 1 8 2 7 3 6 4 5 R4 10Ks RA15 8X10Ks 4 5 6 7 8 9 3 2 1 RA4 4X10Ks 4 5 6 7 8 3 2 1 C93 33uF25s CN9 5045 09A 3 4 5 6 7 8 2 1 9 CN10 5045 09A 3 4 5 6 7 8 2 1 9 CN1 53014 1210 3 4 5 6 7 ...

Page 20: ...170 100nFs C167 100nFs C171 100nFs C172 100nFs C175 33uF25s C176 33uF25s XRST BCLK DBV CIRCUIT DIAGRAM MAIN PCB ASSY Beam Control Block CIRCUIT DIAGRAM MAIN PCB ASSY Keyscan Block To LEFT CONTACT BOARD MK0 MK0 T0 BR0 BR0 T1 MK1 MK1 T2 BR1 BR1 T3 MK2 MK2 T4 BR2 BR2 T5 MK3 MK3 T6 BR3 BR3 T7 10MHz MK10 MK4 BR10 BR4 MK9 MK5 A1 BR9 BR5 A0 MK8 MK6 BR8 BR6 MK7 MK7 D7 BR7 BR7 D6 MK6 D5 BR6 D4 MK5 MK4 T0 D...

Page 21: ... 47 45 41 39 36 34 51 49 46 44 40 38 35 33 31 16 14 2 55 54 15 9 43 37 56 21 48 42 1 3 30 29 53 A20 A19 A18 A17 A16 A15 A14 A13 A12 A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 BYTE RP CE0 CE1 WE OE VPP VCC VCC VCC WP GND GND GND 3 5 NC NC NC RY BY IC21 HM5118160CJ 6 16MBit DRAM 60ns SOJ 42 pin 17 18 19 20 23 24 25 26 27 28 14 30 13 1 ...

Page 22: ... LCD CONTROL BUS 10MHz VD0 VA0 VA14 VD1 VA1 VA13 VD2 VA2 D7 VA12 VD3 VA3 D6 VA11 VD4 VA4 D5 VA10 VD5 VA5 D4 VA9 VD6 VA6 D3 VA8 VD7 VA7 D2 VA7 VA8 D1 VA6 VA9 D0 VA5 VA10 VA4 VA11 VA3 VA12 VA2 VA13 XRD VA1 VA14 XWRL VA0 XLCD XRST VD7 VD6 VD5 VD4 VD3 XD3 VD2 XD2 VD1 XD1 VD0 XD0 XVWR XSCL XVRD XCCE YD XRST D D D D D 5VD 5VD D 5VD 5VD D D D D D 5VD 5VD C114 100nFs R62 NIU C116 100nFs R63 0s IC11 SED133...

Page 23: ...D1 D0 RESET E RD R W WR CS IRQ DREQ DACK DEND XTAL1 EXTAL1 XTAL2 EXTAL2 8 5 XTALSEL IFS NUM1 NUM2 NC NC MON3 MON2 MON1 DS3 DS2 DS1 HLOAD INP INDEX DS0 MON0 HDIR STEP WDATA WGATE TRK0 WPRT RDATA HSEL READY 1 2EX1 VCC1 SFORM VCC2 VCC3 VCC4 VSS1 VSS2 VSS3 VSS4 VSS5 VSS6 VSS7 VSS8 VSS9 C141 10pFs C135 47pFs C125 NIU C123 100nFs IC32 74VHC245F 2 18 3 17 4 16 5 15 6 14 7 13 8 12 9 11 19 1 10 20 A1 B1 A2...

Page 24: ...SY 7770132000 E CIRCUIT DIAGRAM XPGS 6 PCB ASSY View from component side SECTION CPU_MEM A 0 21 D 0 15 XWRL XRD XRST CS1 XPINI CS2 XP0WAIT XP1WAIT XP0INT XP1INT LSPMUTE SETWD 256FS SDDA1 SDDA2 OUTP1 BCKC SECTION SOUND A 0 21 D 0 15 XRD XWRL CS1 XRST XPINI LSPMUTE CS2 XP0WAIT XP1WAIT XP0INT XP1INT SETWD 256FS SDDA1 SDDA2 OUTP1 BCKC A 0 21 D 0 15 View from solder side ...

Page 25: ... A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 STS CE1 CE0 WE OE WP BYTE RP NC DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 NC NC NC VPP VCC VCC VCC VSS VSS VSS IC7B TC7W04F 3 5 R39 3 3K Q3 RN2421 1 3 2 R9 220 R14 10K R7 10K IC3 LH28F800SGE L70 16 17 48 1 2 3 4 5 6 7 8 18 19 20 21 22 23 24 25 15 12 26 11 28 14 45 43 41 39 36 34 32 30 44 42 40 38 35 33 31 29 13 37 9 10 47 27 46 A18 A17 A16...

Page 26: ...2A TC7WU04F 1 7 IC22B TC7WU04F 3 5 IC22C TC7WU04F 6 2 R26 1M R28 33 R30 1K R34 100 R36 100 RA13 EXBV8V JV 100 1 8 2 7 3 6 4 5 R35 100 R37 100 R33 22 RA14 EXBV8V JV 100 1 8 2 7 3 6 4 5 RA8 EXBV8V JV 22K 1 8 2 7 3 6 4 5 RA10 22K 1 8 2 7 3 6 4 5 R31 1K X2 MA 406 24 576MHz 1 4 R29 470 C59 0 1 RA16 RCE9A JA 10K 1 2 3 4 5 6 7 8 9 RA17 RCE9A JA 10K 1 2 3 4 5 6 7 8 9 C90 1 16 C68 0 1 R24 22K C37 0 1 IC26 ...

Page 27: ... C5 NIU IC1 NJM2360M FLAT 1 2 3 4 5 6 7 8 CS ES CT GND INV V SI CD D1 SFPB 56 1 2 TP TP1 L1 RCH 875 151K R1 220mOHM I 1W C6 560pFs 5 np0 R6 18Ks 1 R8 1Ks 1 R5 180 1 4W CN1 00621 6012100808 3 4 5 6 7 8 2 1 9 10 11 12 CN4 53014 0310 3 2 1 C1 47uF35 Q5 2SA101 5GR 3 2 1 Q3 2SC1815GR 3 1 2 Q2 2SC1815GR 3 1 2 R9 5K6 R10 5K6 R17 5K6 R15 2K7 R12 2K7 R18 100K R19 100K C9 1nF C10 1nF R11 2K7 R13 0 CN6 B7B P...

Page 28: ... I L M N O P Q R S T U J K 1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 28 11 VA 7 July 2000 VARIPHRASE VE VP1 PCB ASSY ASSY 7770112000 E View from component side View from solder side ...

Page 29: ...4VHCT04AF 13 12 IC23G TC74VHCT04AF 14 7 IC26A TC7WH04FU 1 7 IC26B TC7WH04FU 3 5 IC26C TC7WH04FU 6 2 IC26D TC7WH04FU 8 4 IC28C TC7WH04FU 6 2 IC28D TC7WH04FU 8 4 IC28A TC7WH04FU 1 7 IC28B TC7WH04FU 3 5 IC25D TC74HC04AF 9 8 IC25G TC74HC04AF 14 7 IC25A TC74HC04AF 1 2 IC25E TC74HC04AF 11 10 IC27 M51953BFP 600C 6 5 7 4 1 2 3 8 RST DLY VCC GND NC NC NC NC IC4 TC74VHCT244AFT 17 15 13 11 8 6 4 2 19 1 3 5 7...

Page 30: ...IAGRAM ASSY 7770103000 AUDIO PCB ASSY ASSY 7770113000 View from component side View from component side PHONE_R FROM POW AMP B CN1 PHONE_L AGND L1 L2 L3 L4 L5 L6 BLO3RN2 R62T2 MUTE_S MUTE_R AGND JK1 YKB21_5006 8 7 3 2 4 5 1 L3 C1 100nFC L6 C2 100nFC C3 100nFC C4 100nFC JK2 YKB21_5006 8 7 3 2 4 5 1 CN1 5045_06A 3 4 2 1 5 6 L2 L1 L4 L5 R1 100I R2 100I R4 100I R5 100I ...

Page 31: ...NIU R72 NIU R17 10Ks R36 10Ks R21 100Ks R22 100Ks R30 22Ks R26 22Ks R28 220s R39 39Ks R56 4 7ks R70 0s R82 0s R83 680s R87 560s R88 560s C102 10uF16BP C105 10uF16BP JK5 HLJ052001110 3 1 2 C100 150pFS CERAM JK4 HLJ052001110 3 1 2 C109 10uF16BP C108 33pFS CERAM C103 150pFS CERAM R92 22Ks R89 22Ks R93 22Ks R90 22Ks R96 6 8Ks R95 6 8Ks R99 6 8Ks R97 6 8Ks R100 6 8Ks C112 33pFS CERAM C19 0 1 C21 2 2nFs...

Page 32: ...0 21 22 23 24 25 26 27 28 29 30 32 11 VA 7 July 2000 CONTROL PCB ASSY ASSY 7770104000 View from component side View from component side SWITCH D BEAM PCB ASSY CIRCUIT DIAGRAM ASSY 7770108000 DBEAM ON OFF To CN11 on CONTROL B DBEAM ON OFF SW24 D27 1 2 D105 orange 1 2 CN1 53014 0410 3 4 2 1 ...

Page 33: ...2 Q7 RN2227 3 1 2 Q8 RN2227 3 1 2 Q9 RN2227 3 1 2 Q10 RN2227 3 1 2 Q11 RN2227 3 1 2 C20 100nF IC6 74HC574 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 11 1 20 10 D1 Q1 D2 Q2 D3 Q3 D4 Q4 D5 Q5 D6 Q6 D7 Q7 D8 Q8 CLK OC VCC GND IC5 TD62593AP 10 9 8 7 6 5 4 3 2 1 11 12 13 14 15 16 17 18 NC GND I7 I6 I5 I4 I3 I2 I1 I0 O7 O6 O5 O4 O3 O2 O1 O0 C21 33uF16 C22 470uF16 R32 27I 0 6W R31 100K IC9 74HC138 1 2 3 6 4...

Page 34: ...t side FC 7 PCB ASSY CIRCUIT DIAGRAM ASSY 7770102000 STYLEVAR ADVARR FILTOVAR FILTOOR GND INTRO ENDING STARTSTOP FC 7 From CN10 on CONTROL B L4 SBT0460 JK3 YKF51 5001 1 4 2 5 3 7 6 8 FL3 ELKTR391CA 2 1 3 FL4 ELKTR391CA 2 1 3 VR1 RK09D111 1 3 2 CN3 53014 0310 3 2 1 FL6 ELKTR391CA 2 1 3 FL5 ELKTR391CA 2 1 3 FL2 ELKTR391CA 2 1 3 CN2 53014 0810 3 4 5 6 7 8 2 1 FL1 ELKTR391CA 2 1 3 FL7 ELKTR391CA 2 1 3...

Page 35: ...45 1 2 D52 1 2 SW35 SW29 D154 red 1 2 D96 1 2 SW37 D47 1 2 D50 1 2 D33 1 2 SW39 SW40 SW32 SW68 SW25 D28 1 2 SW38 D29 1 2 D34 1 2 SW69 D44 1 2 D35 1 2 D48 1 2 SW33 D31 1 2 SW31 SW67 SW30 SW28 SW27 D92 1 2 D49 1 2 D94 1 2 SW34 D32 1 2 CN4 53014 0310 3 2 1 CN1 53014 1210 3 4 5 6 7 8 2 1 9 10 11 12 CN2 53014 1110 3 4 5 6 7 8 2 1 9 10 11 CN3 53014 0710 3 4 2 1 5 6 7 D153 red 1 2 D122 orange 1 2 D123 or...

Page 36: ...A R8 10K R7 5 6K R4 NIU C6 NIU R11 NIU R10 12K R21 10K R20 5 6K R17 NIU R24 NIU C14 NIU R23 12K IC2C NIU 8 4 IC3C UPC4570C 8 4 R1 330 R2 1 5K R14 330 R16 100K R15 1 5K R5 NIU R6 NIU R9 NIU R18 NIU R19 NIU R22 NIU R12 33K C7 56nF R13 68K C8 22pF R28 1K R25 33K C15 56nF R26 68K C16 22pF R27 1K IC1C UPC4570C 8 4 C1 2 7nF 5 C3 NIU 5 C4 NIU 5 C10 27nF 5 C9 2 7nF 5 C11 NIU 5 C12 NIU 5 C13 1uF 50 C5 1uF ...

Page 37: ...C75 10uF16BP C60 10uF16BP 12V 12V LSEND AGND RSEND LRET RRET R12 27K VCC VCC C13 220nF 5 P G N D 6 IN2 5 S V R 7 S G N D 3 I N 1 2 O B R 4 OUT2 8 V S 9 S B 1 1 OUT1 10 IN1 1 IC6 TDA7350 1 1 2 2 3 3 4 4 5 5 6 6 7 7 CN6 B7B XH A 1 3 2 VR11 22K R74 NIU R73 NIU C10 220uF25 C12 22uF25 C11 0 1C VS SPEAKERS R40 1K 1 4W 12V DGND DGND 4 OHM 4 OHM RIGTH WOOFER LEFT WOOFER RIGHT TWEETER LEFT TWEETER 4 OHM SP...

Page 38: ...22K L5 SBT0160W 1 2 4 3 L7 SBT0160W 1 2 4 3 TP TP1 TP TP2 TP TP3 FIX1 FIX2 FIX3 R31 1K8 R32 470K C11 1nF C12 1nF R34 220 R35 220 R36 220 R37 220 R38 220 R39 4K7 R40 4K7 R41 22K R42 22K IC6 6N137 1 2 3 4 5 6 7 8 NC LA LC NC GND OUT EN VCC JK5 YKF51_5046 2 1 3 4 5 6 7 8 9 Q9 BC560B 2 1 3 L9 1 2 4 3 L10 1 2 4 3 L11 1 2 4 3 R43 1K L12 SBT0460 C13 0 1C C14 0 1C C15 0 1C FIX4 R54 22K CN1 5045 09A 3 4 5 ...

Page 39: ...rom Power Supply Cn5 3 4 2 1 CN1 5045 04A TO RIBBON To CN3 on POTENTIOM B RIBB REF5V D REF C8 1uF16 CN1 5597 08APB 1 2 3 4 5 6 8 7 R21 100K R17 820 R19 10K NIU R20 1K D3 BZW04 5V8B 1 2 R24 820 R22 10K CN2 53014 0410 3 4 2 1 C1 100nFC PULSE DUTY 12 5 FREQUENCY 6 84KHz PULSE WIDTH 18 3uS PULSE BEAM BEAM 12V 12V 12V 5V 5V 5V 12V 12V D215 TPS708 1 2 CN15 53014 0710 3 4 2 1 5 6 7 R70 10K C46 150pF R71 ...

Page 40: ...6 7 8 9 10 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 40 11 VA 7 July 2000 RIGHT CONTACT PCB ASSY w RUBBER ASSY 7624504001 LEFT CONTACT PCB ASSY w RUBBER ASSY 7624505001 CIRCUIT DIAGRAM RIGHT CONT PCB ASSY CIRCUIT DIAGRAM LEFT CONT PCB ASSY ...

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