Yamaha KMA-1000 Service Manual Download Page 36 | Manualshive

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A B C D E F G H

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KMA-1000/KMA-950

MAIN (2)

(Side A)

MAIN (4)

(Side A)

W552

W551

IC551

IC552

IC553

MAIN (1)

(CB403)

+18V

AG

-18V

GND-5V

+8V

+8D-GND

+8D

FUNCTION (1)

(CB22)

+12V

GND_5V

-12V

+5V

A

DGND

+5VD

+8D_GND

+8D

MAIN (5)

(Side A)

W405B

W406B

MAIN (1)

(W405A, W406A)

BR

GY

AC OUTLETS

W404B

W402B

W401B

W403B

RE

WH

BL

BL

MAIN (1)

(W404A, W403A, W402A, W401A)

SPEAKERS

R

L

Ref. No. Location

D551

C2

D552

D2

D553

C2

D554

C2

D555

C2

D556

B2

D557

E2

IC551

D1

IC552

C1

IC553

C1

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Semiconductor Location

KMA-950

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Summary of Contents for KMA-1000

Page 1: ...prove YAMAHA products Modifications are therefore inevitable and specifications are subject to change without notice or obligation to retrofit Should any discrepancy appear to exist please contact the distributor s Service Division WARNING Static discharges can destroy expensive components Discharge any static electricity your body may have accumu lated by grounding yourself to the ground buss in ...

Page 2: ...s the melting point temperature of the lead free solder is about 30 C to 40 C 50 F to 70 F higher than that of the lead solder be sure to use a soldering iron suitable to each solder CAUTION F401 FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE 2 5A 250V FUSE F402 FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE 4A 250V FUSE A V WARNING Lithium bat...

Page 3: ...00 KMA 950 IMPEDANCE SELECTOR FRONT PANELS KMA 1000 KMA 950 IMPEDANCE SELECTOR WARNING Do not change the setting of the IMPEDANCE SELECTOR switch when the unit power is switched on as doing so may damage the unit KMA 1000 model ...

Page 4: ...4 KMA 1000 KMA 950 KMA 1000 KMA 950 REAR PANELS KMA 1000 T model KMA 950 T model ...

Page 5: ...r less Signal to Noise Rate IHF A Network DVD etc Input shorted 200 mV 85 dB or more MIC Input shorted 6 mV 75 dB or more Residual Noise IHF A Network 180 µV or less Channel Separation 1 kHz DVD etc Input 5 1 k ohms shorted 55 dB or more Tone Control Characteristics MUSIC Bass boost cut 100 Hz 12 dB Treble boost cut 10 kHz 12 dB MIC Bass boost cut 100 Hz 12 dB Mid boost cut 1 kHz 12 dB Treble boos...

Page 6: ... inch INTERNAL VIEW q MAIN 5 P C B w MAIN 3 P C B KMA 1000 MAIN 4 P C B KMA 950 e OPERATION 1 P C B r FUNCTION 3 P C B t MAIN 1 P C B y MAIN 2 P C B u FUNCTION 1 P C B i OPERATION 3 P C B o OPERATION 2 P C B 0 FUNCTION 2 P C B 1 OPERATION 5 P C B KMA 1000 OPERATION 6 P C B KMA 950 2 OPERATION 4 P C B Front view Top view 4 0 1 6 2 ...

Page 7: ...move it Fig 1 2 Removal of Front Panel Unit a Remove 4 screws e and 4 screws r Fig 1 b Remove CB2 CB15 and CB562 Fig 1 c Remove the front panel unit Fig 1 Fig 1 Fig 2 3 Removal of OPERATION 1 P C B a Remove 6 KMA 1000 3 KMA 950 screws t and 2 nuts y Fig 2 b Remove CB237 Fig 2 c Remove the OPERATION 1 P C B Fig 2 Top cover CB2 CB15 CB562 Front panel unit B B CB237 OPERATION 1 P C B KMA 1000 model ...

Page 8: ...roprocessor IC15 Detected at Amplifier output L Rch of MAIN P C B b I protection Cause Excess current flow into amplifier Normal value Low 0 V Detection port PRI 56 pin of microprocessor IC15 Detected at Amplifier output L Rch of MAIN P C B c TH protection Cause Abnormal temperature of heat sink Normal value 0 3 to 1 4 V Detection port TH_R 57 pin of microprocessor IC15 Detected at Heat sink tempe...

Page 9: ...RANSFORMER a Monitor b Maximum c Minimum 4 DC VOLTAGE a DC Voltage 5 PROTECTION HISTORY a History 1 b History 2 c History 3 6 CHECKSUM a Upper bit b Lower bit 7 ANALOG CHECK a DVD b AUX KMA 1000 TAPE KMA 950 c TAPE KMA 1000 BGM KMA 950 d BGM KMA 1000 KMA 950 8 KP MUSIC CHECK a DVD b AUX KMA 1000 TAPE KMA 950 c TAPE KMA 1000 BGM KMA 950 d BGM KMA 1000 KMA 950 9 KP MIC CHECK a L ch b R ch 10 INDICAT...

Page 10: ...F the power Operation Procedure of Main menu and Sub menu There are 12 main menu items each of them having sub menu items Main menu selection Select the main menu using KEY CONTROL knob Sub menu selection Select the sub menu using INPUT key Main menu indicator lit in red Sub menu indicator Main menu No KEY CONTROL indicators 1 2 1 3 2 4 3 5 4 6 5 7 1 8 2 9 3 10 4 11 5 12 5 4 Sub menu Code INPUT in...

Page 11: ...ure b Maximum Highest value c Minimum Lowest value 4 DC VOLTAGE The DC voltage of amplifier output L R is indicated 5 PROTECTION HISTORY The 3 protection histories are indicated 0 No protection 1 DC protection 2 I protection 3 TH protection Version 1 0 0 0 2 6 Voltage 0 0 0 V History 1 Latest History 2 History 3 Off Lit Amber 0 2 6 Off Lit Amber 3 TEMPERATURE of POWER TRANSFORMER The temperature o...

Page 12: ...IC CHECK R ch Active Min Min off 0 dB KP Fig 3 INPUT select L ch 0 to 4 R ch 6 to 10 ECHO MODE key Upper bit 0 5 4 decimal number m 3 9 Hexadecimal Lower bit 1 6 9 decimal number m 8 6 Hexadecimal Checksum value 3 9 8 6 7 ANALOG CHECK The signal passage is checked Fig 3 INPUT select DVD AUX KMA 1000 model TAPE BGM MUTE ON OFF ECHO MODE key ON Lit amber OFF Off 8 KP Karaoke processor MUSIC CHECK Th...

Page 13: ...icators a All Light up b All Off c Automatic Sequential Lighting 11 INPUT MODE Both Auto and Manual of INPUT mode are activated 12 KP Karaoke processor DELAY CHECK The delay time is checked Fig 3 INPUT select DVD AUX KMA 1000 model TAPE BGM DELAY time ECHO MODE key 560µs Lit amber 622ms Off ...

Page 14: ...P416 R ch Open cut off 20 mV 350mV DC R429 R430 TP416 TP414 TP415 TP413 Rear side Front side Item Condition Test point Raiting Remark Idling current No input signal Wait for 2 3 minutes TP413 TP415 L ch DC 20 350mV If measured voltage exceeds 350 mV open cut off R429 L ch R430 R ch and reconfirm the voltage TP414 TP416 R ch ...

Page 15: ...P1 3 Kl3 AN11 TAPE IN I Low 47 P1 2 Kl2 AN10 AUX IN I Low 48 P1 1 Kl1 AN9 DVD IN I Low 49 P1 0 Kl0 AN8 VOL REPEAT I AD volume Repeat x 50 P0 0 AN7 PDET I Input for power detect 51 P0 1 AN6 VOL DELAY I AD volume Delay x 52 P0 2 AN5 SPA O Speaker relay control Low 53 P0 3 AN4 VOL BAL I AD volume Balance x 54 P0 4 AN3 TH R2 I For thermal measurement 55 P6 2 DIAG AD O Volume maximum detection at self ...

Page 16: ...gital audio output serial data External suspected SRAM interface address terminal External suspected SRAM interface address terminal External suspected SRAM interface address terminal External suspected SRAM interface address terminal External suspected SRAM interface address terminal External suspected SRAM interface address terminal GND digital External suspected SRAM interface address terminal ...

Page 17: ...T PANEL RONT PANEL 054 2EAR PANEL 054 2EAR PANEL RONT PANEL 6 2 58 2 4 0 2 2 6 58 53 6 054 1 6 54054 62 62 62 62 62 62 62 62 37 1 n 62 62 62 62 CHO 4 53 4 9 0OWER AMP 30 23 2 02 54 2 35 7 2 35 7 2 7 4 0 4 0 54 2 UTE ICROPROCESSOR 2 3 30 02 02 4 2 0 4 2 Z 9 33 33 42 42 9 2 0 4 2 02 33 2 933 EY ONT 2 EVEL ET EVEL ET EVEL ET 6IDEO ET 62 62 62 53 9 42 37 37 37 37 6 5 53 53 KMA 1000 KMA 950 ...

Page 18: ...de AC AC Anode Cathode AC AC AC AC 1 ANODE1 2 CATHODE2 3 ANODE2 2 3 1 CATHODE1 2 1 3 1SS226 TE85R MA8047 M 4 7V 1SR139 ISR140 1SS133 1SS176 1SS270A 1T2 EL02ZLF S2L20U RS203M RS403M MTZJ12B MTZJ12C MTZJ5 1C MTZJ5 6B D15XBN20 RLZ4 7A 4 7V RLZ5 1B 5 1V 1SS355 14 7 1 16 8 1 1 16 17 32 33 48 49 64 8 4 1 OUT GND IN VS GND VOUT 1 2 3 1 IN 2 GND 3 OUT 1 INPUT 2 GND 3 OUTPUT 3 2 1 30 15 1 32 16 1 17 28 14 ...

Page 19: ..._LIN MIC_ECHO_R MIC_ECHO_L MIC_MIX_A RM2 RM1 FUNCTION 1 CB2 MUSIC BALANCE MUSIC TONE BASS TREBLE MIC ECHO DELAY REPEAT MIC TONE BASS MID TREBLE MIC VOL MIC 1 MIC 2 MIC 3 1 4 5 8 1 4 5 8 1 4 5 8 1 4 5 8 1 4 5 8 FUNCTION 1 CB3 OPERATION 4 CB901 AG MIC1 AG_ AG MIC2 AG MIC3 PRINTED CIRCUIT BOARDS FUNCTION 2 Side A FUNCTION 2 Side B KMA 1000 Ref No Location IC300 F2 IC301 F2 IC303 D2 IC305 B2 IC307 C2 ...

Page 20: ... R DVD INPUT LEVEL GND_5V 5VA DGND 5VD SCLK SDATA KP_CS KP_IC MS FUNCTION 3 CB601 FUNCTION 3 CB602 MIC_MIX_A AG KEYCON_R_IN AG KEYCON_L_IN AG KEYCON_L_OUT 12VA KEYCON_R_OUT AG MIC_ECHO_R 12VA MIC_ECHO_L 5VD VOL_DELAY MIC2_OUT MIC1_OUT MUS_ROUT MUS_LOUT KEYCON_R_OUT KEYCON_L_OUT MIC_ECHO_R MIC_ECHO_L MIC_MIX_A RM2 RM1 DGND VOL_REPEAT VOL_BAL 12VA AG 12VA AG AG AG AG AG GND_RM GND_RM FUNCTION 2 CB30...

Page 21: ...A B C D E F G H 1 2 3 4 5 6 21 KMA 1000 KMA 950 FUNCTION 1 Side B Ref No Location Q11 C1 Semiconductor Location KMA 1000 ...

Page 22: ... KEYCON_R_OUT 12VA KEYCON_L_OUT AG KEYCON_L_IN AG KEYCON_R_IN AG MIC_MIX_A MS KP_IC KP_CS SDATA SCLK 5VD DGND 5VA GND_5V FUNCTION 1 CB12 1 16 1 1 1 1 4 5 8 1 4 1 4 5 4 5 8 5 8 1 8 1 4 5 8 1 4 5 8 16 8 9 16 17 30 17 30 19 20 32 33 51 52 64 2 Ref No Location D601 C2 D602 C2 D603 C2 D604 C2 D607 C1 D608 C1 IC602 B2 IC605 B2 IC606 B3 IC607 B2 IC608 B3 IC610 C2 IC611 C2 IC612 C3 IC614 D2 IC615 C2 Semic...

Page 23: ...F5 Q243 C5 Semiconductor Location CB237 CB238 W201 W201 W201 W201 BALANCED MIC INPUT 1 2 VIDEO REMOTE IMPEDANCE SELECTOR OUT 3 OUT 2 OUT 1 BGV IN AUX IN DVD IN RM_IN TXD_PC G_V RCK 5VD 12VA RM2 RM1 DGND RM_DIR VIDEO_DET SDATA SCLK 5VA GND_RM 12VA FUNCTION 1 CB21 ACH ACL GND GND ACL ACH POWER TRANSFORMER MAIN 1 CB411 IC239 IC238 IC236 IC235 IC237 IC240 IC241 1 1 1 1 7 7 8 8 14 14 1 7 8 14 16 4 5 8 ...

Page 24: ...1 H2 D712 H1 Semiconductor Location Ref No Location D713 G2 D714 F2 D715 F2 D716 F2 D717 F2 D718 G2 D719 G2 D720 F2 D721 F2 D722 F2 D723 E2 D724 E2 Ref No Location D725 F2 D726 F1 D727 F2 D728 F2 D729 F2 D730 D2 D731 D2 D732 D2 D733 D2 D734 D2 D735 D2 D736 C2 Ref No Location D737 C2 D738 D2 D739 C2 D740 C2 D741 C2 D742 C2 D743 D1 D744 B2 D745 B2 D746 B2 D747 B2 D748 B2 Ref No Location D749 B2 D750...

Page 25: ... B OPERATION 4 Side A OPERATION 5 Side A CB562 MAIN 1 CB409 POWER CB901 FUNCTION 2 W303 MIC3 AG MIC2 AG AG_ MIC1 AG MIC 3 MIC 2 MIC 1 W701 RV LED OUT RKEY OUT RV LED G RV LED R OPERATION 2 CB707 ECHO MODE Ref No Location D395 C5 D396 C5 D397 C4 D901 F2 Semiconductor Location KMA 1000 ...

Page 26: ...BL WH RE BL 3 CH1 3 CH2 MAIN 5 W405B W406B BR GY J655 Ref No Location D401 D3 D402 E3 D403 D3 D404 D3 D405 F3 D406 F3 D407 E2 D408 G2 D409 C2 D410 E2 D411 E2 D412 C2 D413 G2 D414 E2 D415 D2 D416 D2 D417 D2 D418 C2 D419 C2 D420 C2 D421 F2 D422 F2 D423 F2 D424 E2 D425 E2 D426 E2 D427 D2 D428 D2 D429 F2 D430 F2 D431 D2 D432 D2 D433 F2 D434 F2 D435 C3 D436 C3 D437 G3 D438 G3 D439 C3 D440 C3 D441 F5 D4...

Page 27: ... 8D G ND 8D FUNCTION 1 CB22 12V GND_5V 12V 5VA DGND 5VD 8D_GND 8D MAIN 5 Side A W405B W406B MAIN 1 W405A W406A BR GY AC OUTLETS W404B W402B W401B W403B RE WH BL BL MAIN 1 W404A W403A W402A W401A SPEAKERS R A L B Ref No Location D551 C2 D552 D2 D553 C2 D554 C2 D555 C2 D556 B2 D557 E2 IC551 D1 IC552 C1 IC553 C1 Semiconductor Location KMA 1000 ...

Page 28: ...ION 2 CB304 RM_IN TXD_PC G_V RCK 5VD 12VA RM2 RM1 DGND RM_DIR VIDEO_DET SDATA SCLK 5VA GND_RM 12VA OPERATION 1 CB237 ECHO_RA MIC_RA MUS_RA KEYC_B REM KEY_IN SSCLK GND 8D ECHO_RB MIC_RB MUS_RB DGND KEYC_A FSTL SSDATA 5D GND 8D OPERATION 2 CB706 DGND 5VD TH_R2 TH_R PDET RESET SPA PRD PRI MAIN 1 CB402 MAIN 2 W552 12V GND_5V 12V 5VA DGND 5VD 8D_GND 8D R GND L MAIN 1 CB401 FUNCTION 2 W302 1 1 4 5 8 1 1...

Page 29: ...A B C D E F G H 1 2 3 4 5 6 29 KMA 1000 KMA 950 FUNCTION 1 Side B Ref No Location Q11 C1 Semiconductor Location KMA 950 ...

Page 30: ...MIC2_OUT MIC1_OUT MUS_ROUT MUS_LOUT MUSIC_RIN MUSIC_LIN MIC_ECHO_R MIC_ECHO_L MIC_MIX_A RM2 RM1 FUNCTION 1 CB2 MUSIC BALANCE MUSIC TONE BASS TREBLE MIC ECHO DELAY REPEAT MIC TONE BASS MID TREBLE MIC VOL MIC 1 MIC 2 1 4 5 8 1 4 5 8 1 4 5 8 1 4 5 8 1 4 5 8 FUNCTION 1 CB3 OPERATION 4 CB901 AG MIC1 AG_ AG MIC2 AG MIC3 Ref No Location IC300 F2 IC301 F2 IC303 D2 IC305 B2 IC307 C2 Semiconductor Location ...

Page 31: ...G KEYCON_R_OUT 12VA KEYCON_L_OUT AG KEYCON_L_IN AG KEYCON_R_IN AG MIC_MIX_A MS KP_IC KP_CS SDATA SCLK 5VD DGND 5VA GND_5V FUNCTION 1 CB12 1 16 1 1 1 1 4 5 8 1 4 1 4 5 4 5 8 5 8 1 8 1 4 5 8 1 4 5 8 16 8 9 16 17 30 17 30 19 20 32 33 51 52 64 2 Ref No Location D601 C2 D602 C2 D603 C2 D604 C2 D607 C1 D608 C1 IC602 B2 IC605 B2 IC606 B3 IC607 B2 IC608 B3 IC610 C2 IC611 C2 IC612 C3 IC614 D2 IC615 C2 Semi...

Page 32: ...D711 H2 D712 H1 Semiconductor Location Ref No Location D713 G2 D714 F2 D715 F2 D716 F2 D717 F2 D718 G2 D719 G2 D720 F2 D721 F2 D722 F2 D723 E2 D724 E2 Ref No Location D725 F2 D726 F1 D727 F2 D728 F2 D729 F2 D730 D2 D731 D2 D732 D2 D733 D2 D734 D2 D735 D2 D736 C2 Ref No Location D737 C2 D738 D2 D739 C2 D740 C2 D741 C2 D742 C2 D743 D1 D744 B2 D745 B2 D746 B2 D747 B2 D748 B2 Ref No Location D749 B2 D...

Page 33: ...RCK 5VD 12VA RM2 RM1 DGND RM_DIR VIDEO_DET SDATA SCLK 5VA GND_RM 12VA FUNCTION 1 CB21 IC239 IC238 IC236 IC235 IC237 IC240 IC241 1 1 1 1 7 7 8 8 14 14 1 7 8 14 16 4 5 8 8 9 1 4 5 8 1 4 5 8 Ref No Location D235 E5 D236 E5 D245 D3 D246 C3 D248 D3 D249 C3 D250 G5 D251 F5 IC235 E5 IC236 E5 IC237 E5 IC238 D5 IC239 D5 IC240 E4 IC241 F5 Q243 C5 Semiconductor Location KMA 950 ...

Page 34: ...N 4 Side B OPERATION 4 Side A OPERATION 6 Side A CB562 MAIN 1 CB409 POWER CB901 MIC 2 MIC 1 FUNCTION 2 W303 MIC3 AG MIC2 AG AG_ MIC1 AG W702 RV LED OUT RKEY OUT RV LED G RV LED R OPERATION 2 CB707 ECHO MODE Ref No Location D396 D5 D397 D4 D905 F2 Semiconductor Location KMA 950 ...

Page 35: ...ation KMA 950 CB403 W403A W404A W402A W401A CB412 W405A W406A CB410 CB409 CB408 CB411 CB401 CB402 IC402 IC401 DGND 5VD TH_R2 TH_R PDET RESET SPA PRD PRI FUNCTION 1 W2 R GND L FUNCTION 1 W1 MAIN 2 W551 18V AG 18V GND 5V 8V 8D GND 8D AC B E E AC B POWER TRANSFORMER OPERATION 3 CB562 AC 12 E AC 12 AC 5 AC 5 POWER TRANSFORMER POWER CORD POWER TRANSFORMER MAIN 4 W404B W403B W402B W401B BL WH RE BL 3 CH...

Page 36: ...8V 8D G ND 8D FUNCTION 1 CB22 12V GND_5V 12V 5VA DGND 5VD 8D_GND 8D MAIN 5 Side A W405B W406B MAIN 1 W405A W406A BR GY AC OUTLETS W404B W402B W401B W403B RE WH BL BL MAIN 1 W404A W403A W402A W401A SPEAKERS R L Ref No Location D551 C2 D552 D2 D553 C2 D554 C2 D555 C2 D556 B2 D557 E2 IC551 D1 IC552 C1 IC553 C1 Semiconductor Location KMA 950 ...

Page 37: ...TAPE INPUT LEVEL SUB WOOFER 2 WITH LPF PRE OUT L R SUB WOOFER 1 FUNCTION 1 3 Point q Pin 7 of IC15 IC1 4 6 7 10 11 14 18 618 UPC4570G2 E1 A Dual operational amplifier 1 2 3 4 8 7 6 5 OUT1 OUT2 IN1 IN1 IN2 IN2 VCC VCC IC5 NJU7313AM Analog function switch 2 3 4 5 6 7 8 9 10 11 12 13 28 1 14 15 16 17 18 19 20 21 22 23 24 25 26 27 LEVEL SHIFTER LATCH LEVEL SHIFTER LATCH CONTROL R1 R2 R3 R4 R COM1 R5 R...

Page 38: ... 0 12 1 0 0 0 12 1 11 5 0 0 0 12 1 11 5 12 1 11 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11 5 11 5 W303 CB304 W302 IC300 IC300 IC301 IC301 IC303 IC303 IC305 IC305 IC307 IC307 MIC AMP MIC MIX AMP ECHO MIX AMP MUSIC TONE CONTROL MIC TONE CONTROL Page 41 D2 to OPERATION 4 _CB901 Page 37 A2 to FUNCTION 1 _CB2 Page 37 H3 to FUNCTION 1 _CB3 FUNCTION 2 MIC VOL MIC 1 MIC VOL MIC 2 MIC VOL MIC 3 BASS TREBLE MUSIC TON...

Page 39: ...608 IC605 IC610 IC610 IC611 IC611 Page 37 L5 to FUNCTION 1 _CB12 Page 37 G2 to FUNCTION 1 _CB19 FUNCTION 3 Point w Pin 57 of IC602 Power Supply Enhanced Multilevel Delta Sigma Modulator VOUTL 4 8 Oversampling Digital Filter With Function Control Audio Serial Port BCK LRCK DATA Serial Control Port Zero Detect TEST SCK System Clock Manager MC DEMP1 MS DEMP0 Output Amp and Low Pass Filter MD MUTE DAC...

Page 40: ...2 0 7 8 7 9 5 5 5 5 5 4 7 9 5 5 5 4 7 8 5 4 7 8 5 4 7 9 5 4 7 9 5 4 7 8 5 3 7 9 5 3 7 9 5 3 7 8 4 9 7 9 4 9 7 9 4 9 0 6 0 0 3 0 6 0 0 2 0 7 0 0 3 0 5 9 0 2 0 7 0 0 2 0 7 0 0 3 0 5 7 0 2 0 6 9 0 7 9 5 9 5 8 4 8 4 9 7 9 7 4 8 3 7 9 2 9 7 5 5 9 5 9 7 5 4 9 5 9 7 5 4 9 5 9 7 5 3 9 5 9 7 0 0 0 0 5 1 5 1 0 4 9 0 0 0 7 8 4 0 0 7 8 4 0 0 7 8 4 0 0 7 8 4 0 0 7 0 7 2 5 2 5 0 7 8 4 0 CB706 CB707 IC701 OPERAT...

Page 41: ...1 2 6 11 10 3 4 9 8 13 12 VIDEO DVD INPUT OUTPUT 1 OUTPUT 2 OUTPUT 3 AUX INPUT BGM INPUT MIC 1 MIC 2 MIC 3 BALANCED MIC INPUT 1 2 IMPEDANCE SELECTOR REMOTE POWER ON OFF ECHO MODE IC237 TC74HCU04AFEL Hex inverters VCC 6A 5A 4A 6Y 5Y 4Y GND 3Y 3A 2A 1A 2Y 1Y 1 2 3 4 5 6 7 14 13 12 11 10 9 8 7 1 2 3 4 5 6 8 14 13 12 11 10 9 LOGIC IN1 GND CTLA CTLB CTLC IN2 GND VOUT GND IN5 VCC IN4 GND IN3 IC235 236 B...

Page 42: ...7 3 17 3 17 3 9 7 4 7 4 7 0 0 72 3 53 6 72 2 53 5 17 9 16 7 5 1 0 0 0 0 5 3 0 12 0 16 7 0 7 0 7 1 1 1 1 0 4 0 4 1 0 1 0 70 7 0 7 71 2 71 1 71 7 71 7 71 3 71 3 72 0 72 1 71 3 71 3 71 3 71 4 71 4 71 4 71 4 71 1 72 3 0 0 0 0 4 5 0 0 0 0 4 6 71 9 0 7 0 7 1 1 1 1 0 4 0 4 1 0 1 0 70 7 0 7 71 7 71 1 71 7 71 7 71 3 71 3 72 0 72 1 71 3 71 3 71 3 71 4 71 4 71 4 71 4 71 1 72 3 0 0 0 0 4 5 0 0 0 0 AC28 9 AC9 ...

Page 43: ...6 1 9 4 5 1 5 1 9 4 5 1 0 0 12 3 11 6 0 0 0 0 W551 W552 IC551 IC552 IC553 12V REGULATOR 12V REGULATOR 5V REGULATOR Page 42 J8 to MAIN 1 _CB403 Page 37 A7 to FUNCTION 1 _CB22 IC551 NJM7812FA Voltage regulator INPUT OUTPUT COMMON COMMON GND IC552 KIA7912PI Voltage regulator Q28 Q17 Q18 Q19 Q20 Q31 Q23 Q21 Q22 Q24 Q25 7 2 Q 6 2 Q Q10 Q11 Q14 Q15 Q16 Q27 1 Q26 1 Q12 Q13 Q8 Q9 Q2 Q7 Q4 Q5 Q6 Q3 Q29 Q30...

Page 44: ...T L R SUB WOOFER 1 FUNCTION 1 3 Point q Pin 7 of IC15 IC1 3 4 6 7 10 11 14 18 UPC4570G2 E1 A Dual operational amplifier 1 2 3 4 8 7 6 5 OUT1 OUT2 IN1 IN1 IN2 IN2 VCC VCC IC5 NJU7313AM Analog function switch 2 3 4 5 6 7 8 9 10 11 12 13 28 1 14 15 16 17 18 19 20 21 22 23 24 25 26 27 LEVEL SHIFTER LATCH LEVEL SHIFTER LATCH CONTROL R1 R2 R3 R4 R COM1 R5 R6 R COM2 R7 R8 R COM3 DATA CK Vss L1 L2 L3 L4 L...

Page 45: ...01 Page 44 A2 to FUNCTION 1 _CB2 Page 44 H3 to FUNCTION 1 _CB3 FUNCTION 2 MIC VOL MIC 1 MIC VOL MIC 2 BASS TREBLE MUSIC TONE BASS TREBLE MID MIC TONE MUSIC TONE MIC TONE MIC TONE MUSIC BALANCE MIC ECHO DELAY MIC ECHO REPEAT All voltages are measured with a 10MΩ V DC electronic volt meter Components having special characteristics are marked Z and must be replaced with parts having specifications eq...

Page 46: ...ng specifications equal to those originally installed Schematic diagram is subject to change without notice IC608 610 612 614 615 UPC4570G2 E1 A Dual operational amplifier 1 2 3 4 8 7 6 5 OUT1 OUT2 IN1 IN1 IN2 IN2 VCC VCC Point w Pin 57 of IC602 Power Supply Enhanced Multilevel Delta Sigma Modulator VOUTL 4 8 Oversampling Digital Filter With Function Control Audio Serial Port BCK LRCK DATA Serial ...

Page 47: ... 9 7 5 3 9 5 9 7 0 0 0 0 5 1 5 1 0 4 9 0 0 0 7 8 4 0 0 7 8 4 0 0 7 8 4 0 0 7 8 4 0 0 7 0 7 2 5 2 5 0 7 8 4 0 CB706 CB707 IC701 OPERATION 2 Page 48 F2 to OPERATION 6 _W702 Page 44 H6 to FUNCTION 1 _CB15 KEY CONTROL 5 4 3 2 1 Y 1 2 3 4 5 2 KEY CONTROL KEY CONTROL KEY CONTROL MUSIC MUSIC MIN MUSIC MAX 0 1 2 3 4 5 6 7 8 9 10 DVD TAPE BGM INPUT ECHO MIN ECHO MAX 0 1 2 3 4 5 6 7 8 9 10 ECHO ECHO MUSIC M...

Page 48: ...rts having specifications equal to those originally installed Schematic diagram is subject to change without notice IC237 TC74HCU04AFEL Hex inverters VCC 6A 5A 4A 6Y 5Y 4Y GND 3Y 3A 2A 1A 2Y 1Y 1 2 3 4 5 6 7 14 13 12 11 10 9 8 7 1 2 3 4 5 6 8 14 13 12 11 10 9 LOGIC IN1 GND CTLA CTLB CTLC IN2 GND VOUT GND IN5 VCC IN4 GND IN3 IC235 236 BA7649AF E2 Video signal switcher for VTR TV 6 dB Amp 75 ohms Dr...

Page 49: ... 4 0 4 1 0 1 0 70 7 0 7 71 7 71 1 71 7 71 7 71 3 71 3 72 0 72 1 71 3 71 3 71 3 71 4 71 4 71 4 71 4 71 1 72 3 0 0 0 0 4 5 0 0 0 0 AC28 9 AC9 0 CB401 CB402 CB408 W405 W406 CB409 CB410 CB411 CB412 CB403 IC401 W404 W402 W403 W401 IC402 POWER AMP POWER SUPPLY 3 CH 1 3 CH 2 Page 44 J2 to FUNCTION 1 _W1 Page 44 H7 to FUNCTION 1 _W2 Page 48 I2 to OPERATION 3 _CB562 to POWER TRANSFORMER Page 50 A4 to MAIN ...

Page 50: ...al characteristics are marked Z and must be replaced with parts having specifications equal to those originally installed Schematic diagram is subject to change without notice IC551 NJM7812FA Voltage regulator INPUT OUTPUT COMMON COMMON GND IC552 KIA7912PI Voltage regulator Q28 Q17 Q18 Q19 Q20 Q31 Q23 Q21 Q22 Q24 Q25 7 2 Q 6 2 Q Q10 Q11 Q14 Q15 Q16 Q27 1 Q26 1 Q12 Q13 Q8 Q9 Q2 Q7 Q4 Q5 Q6 Q3 Q29 Q...

Page 51: ...PLAY FLTR CE CERAMIC FILTER FLTR COMB COMB FILTER MODULE FLTR LC RF LC FILTER EMI GND MTL GROUND PLATE GND TERM GROUND TERMINAL HOLDER FUS FUSE HOLDER IC PRTCT IC PROTECTOR JUMPER CN JUMPER CONNECTOR JUMPER TST JUMPER TEST POINT L DTCT LIGHT DETECTING MODULE L EMIT LIGHT EMITTING MODULE LED DSPLY LED DISPLAY LED INFRD LED INFRARED MODUL RF MODULATOR RF PHOT CPL PHOTO COUPLER PHOT INTR PHOTO INTERR...

Page 52: ...C EL 4 7uF 25V C123 124 UR166470 C EL 4 7uF 50V C127 128 WJ603600 C MYLAR 820pF 50V J C129 132 WJ604000 C MYLAR 1800pF 50V C133 134 WJ603100 C MYLAR 220pF 50V C139 140 US135100 C CE CHP 0 1uF 16V C141 142 UR137470 C EL 47uF 16V C145 146 WJ602900 C MYLAR 100pF 50V K C304 306 WJ603300 C MYLAR 470pF 50V J C307 309 UR147470 C EL 47uF 25V C310 312 WP172700 C MYLAR 390pF 50V C320 322 UR147470 C EL 47uF ...

Page 53: ...o Part No Description Markets New Parts 新規部品 Ref No Part No Description Markets New Parts 新規部品 C623 US061120 C CE CHP 12pF 50V B C624 VR169200 C MYLAR 0 47uF 50V C625 UR828470 C EL 470uF 10V C626 628 US035100 C CE CHP 0 1uF 16V B C629 UA352120 C MYLAR 120pF 50V C630 631 UR165220 C EL 0 22uF 50V C632 633 UA352120 C MYLAR 120pF 50V C634 UR167100 C EL 10uF 50V C635 US135100 C CE CHP 0 1uF 16V C636 UR...

Page 54: ...235 236 VT332900 DIODE 1SS355 D248 249 VD631600 DIODE 1SS133 176 D250 251 VD303900 DI0D ARRAY 1SS226 TE85R D395 397 VD303900 DI0D ARRAY 1SS226 TE85R D701 709 WN928200 LED 2COLOR RED GREEN D710 717 WP354200 LED GREEN D718 719 WN928200 LED 2COLOR RED GREEN D720 757 WP354200 LED GREEN D758 WP484900 LED UMBER D759 760 VT332900 DIODE 1SS355 D762 764 WP484900 LED UMBER D765 VT332900 DIODE 1SS355 D766 VU...

Page 55: ...4700pF 50V D401 406 VD631600 DIODE 1SS133 176 D407 410 VU264100 DIODE 1SR139 400 D411 414 VG437700 DIODE ZENR MTZJ5 6B 5 6V D415 426 V6934100 DIODE EL02ZLF H5K D427 434 VP779200 DIODE S2L20U D435 VD631600 DIODE 1SS133 176 D436 VG437500 DIODE ZENR MTZJ5 1C 5 1V D437 438 VG440300 DIODE ZENR MTZJ12C 12V D439 VG440200 DIODE ZENR MTZJ12B 12V D440 VD631600 DIODE 1SS133 176 D441 WK878000 DIODE BRG D15XBN...

Page 56: ... FP 22 Ω 1 4W R465 WR462900 R WW 1 0 Ω 5W K R466 HV753470 R CAR FP 4 7 Ω 1 4W R467 468 WR462900 R WW 1 0 Ω 5W K R469 HV753470 R CAR FP 4 7 Ω 1 4W R470 WR462900 R WW 1 0 Ω 5W K R471 474 HV755220 R CAR FP 220 Ω 1 4W R477 WB625100 R MTL FLM 4 7 Ω 1W J R488 WJ685600 R MTL FLM 470 Ω 1W J R491 492 WJ688000 R MTL FLM 47K Ω 1W R494 HV753270 R CAR FP 2 7 Ω 1 4W R495 496 WB624700 R MTL FLM 1 Ω 1W R497 WB624...

Page 57: ... EL 4 7uF 25V C123 124 UR166470 C EL 4 7uF 50V C127 128 WJ603600 C MYLAR 820pF 50V J C129 132 WJ604000 C MYLAR 1800pF 50V C133 134 WJ603100 C MYLAR 220pF 50V C139 140 US135100 C CE CHP 0 1uF 16V C141 142 UR137470 C EL 47uF 16V C145 146 WJ602900 C MYLAR 100pF 50V K C304 306 WJ603300 C MYLAR 470pF 50V J C307 309 UR147470 C EL 47uF 25V C310 312 WP172700 C MYLAR 390pF 50V C320 322 UR147470 C EL 47uF 2...

Page 58: ...tion Markets New Parts 新規部品 C624 VR169200 C MYLAR 0 47uF 50V C625 UR828470 C EL 470uF 10V C626 628 US035100 C CE CHP 0 1uF 16V B C629 UA352120 C MYLAR 120pF 50V C630 631 UR165220 C EL 0 22uF 50V C632 633 UA352120 C MYLAR 120pF 50V C634 UR167100 C EL 10uF 50V C635 US135100 C CE CHP 0 1uF 16V C636 UR867100 C EL 10uF 50V C637 US145100 C CE CHP 0 1uF 25V C638 UR867100 C EL 10uF 50V C640 US145100 C CE ...

Page 59: ...55 D248 249 VD631600 DIODE 1SS133 176 D250 251 VD303900 DI0D ARRAY 1SS226 TE85R D701 709 WN928200 LED 2COLOR RED GREEN D710 717 WP354200 LED GREEN D718 719 WN928200 LED 2COLOR RED GREEN D720 757 WP354200 LED GREEN D758 WP484900 LED UMBER D759 760 VT332900 DIODE 1SS355 D762 764 WP484900 LED UMBER D765 VT332900 DIODE 1SS355 D766 VU992200 DIODE ZENR MAZ8047GML 4 7V D767 VT332900 DIODE 1SS355 D905 WP4...

Page 60: ... VG437700 DIODE ZENR MTZJ5 6B 5 6V D415 426 V6934100 DIODE EL02ZLF H5K D427 434 VP779200 DIODE S2L20U D435 VD631600 DIODE 1SS133 176 D436 VG437500 DIODE ZENR MTZJ5 1C 5 1V D437 438 VG440300 DIODE ZENR MTZJ12C 12V D439 VG440200 DIODE ZENR MTZJ12B 12V D440 VD631600 DIODE 1SS133 176 D441 WK878000 DIODE BRG D15XBN20 7001 15A D442 WH487300 DIODE BRG RS203M 2 0A 200V D443 VS997800 DIODE 1T2 D444 WJ28670...

Page 61: ...5 4330 HJ35 4470 HF45 4470 HF45 4560 HF45 4680 HF45 4750 HF45 4820 HF45 4910 HF45 5100 HJ35 5110 HF45 5120 HF45 5150 HJ35 5160 HF45 5180 HF45 5200 HF45 5220 HF45 5270 HF45 5330 HF45 5390 HF45 5430 HF45 5470 HF45 5510 HF45 5560 HF45 5680 HF45 5820 HF45 5910 HF45 6100 HF45 6120 HF45 6150 HF45 6180 HJ35 6200 HF45 6220 HJ35 6240 HF45 6270 HF45 6300 HF45 6330 HJ35 6360 HF45 6390 HF45 6470 HF45 6510 HF4...

Page 62: ... 34 1 34 1 33 1 8 1 7 1 12 1 33 1 18 1 22 1 24 1 25 1 26 1 11 1 33 1 33 1 19 2 1 2 13 2 21 2 22 2 22 2 1 5 2 1 3 2 1 4 1 2 15 2 23 1 23 30 29 51 51 5 5 5 3 5 2 5 52 52 52 52 31 31 4 4 2 52 53 4 27 54 54 27 7 56 57 53 51 51 51 25 51 51 61 12 8 57 51 24 10 5 1 4 1 3 200 200 1 KMA 1000 KMA 950 5 6 KMA 1000 KMA 950 KMA 1000 KMA 950 ...

Page 63: ...00 HEXAGONAL HEAD B TIGHT SCREW 3x15 SP MFZN2W3 2 22 WF002600 PW HEAD B TIGHT SCREW 3x8 MFZN2W3 2 23 WE774300 BIND HEAD B TIGHT SCREW 3x8 MFZN2W3 4 WR479400 P C B ASS Y FUNCTION KMA 1000 4 WR479500 P C B ASS Y FUNCTION KMA 950 5 WR479600 P C B ASS Y OPERATION KMA 1000 5 WR479700 P C B ASS Y OPERATION KMA 950 7 YA676A00 POWER TRANSFORMER KMA 1000 7 YA675A00 POWER TRANSFORMER KMA 950 8 WB120600 POWE...

Page 64: ...7 MUSIC DOWN 7B 85 28 ECHO DOWN 7B 89 29 MIC DOWN 7B 87 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 EXTERNAL REMOTE IN CODE Command name Code 1 Code 2 MUSIC up 7B 84 87 82 MUSIC down 7B 85 87 83 MIC up 7B 86 87 84 MIC down 7B 87 87 85 ECHO up 7B 88 87 86 ECHO down 7B 89 87 87 INPUT 7B 8C DVD 7B 8E TAPE 7B 8F BGM 7B 90 AUX 7B 91 ECHO MODE 7B 92 KEY CONTROL...

Page 65: ...imum volume is set to the level indicated 2 to 0 cannot be set 7 MIC MUSIC volume select Select how MIC and MUSIC volumes increase decrease i e the volume curve when the controls are turned Pattern 1 Steep curve Pattern 2 Less steep curve Pattern 3 Least steep curve and is most suitable for fine adjustment 8 Ext Output select Set the output signals from PRE OUT SPEAKERS Normal PRE OUT SPEAKERS out...

Page 66: ...MIC MUSIC max level 7 MIC MUSIC volume select 8 Ext Output select 1 Last memory 1 Preset 2 2 Auto 1 Manual 2 3 Audio 1 Video 2 Audio Video 3 Select desired source by INPUT Example DVD 4 Enable 1 Disable 2 5 Front Ext 1 Front 2 Ext 3 1 No setting 10 Set to the indicated level 9 to 3 Example 3 Set MIC and MUSIC separately 2 Pattern 1 1 Pattern 2 2 Pattern 3 3 3 Normal 1 Separate 2 ...

Page 67: ...ancel 1 Initialize 3 Always use the default setting for Power Amplifier mode in normal use If Power Amplifier 2 is set the volume level of this unit will be maximum and cannot be controlled by rotating MUSIC on the front panel Be careful of inadvertent setting to avoid excessive volume output Consult your dealer when using this unit in Power Amplifier mode CAUTION ...

Page 68: ...KMA 1000 KMA 950 KMA 1000 KMA 950 ...

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