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Kenwood XXV-02A - 25th Anniversary Products Amplifier, Service Manual

The Kenwood XXV-02A - 25th Anniversary Products Amplifier is a high-quality audio amplifier that celebrates Kenwood's 25 years of excellence. Enhance your audio experience with this exceptional product. To get the most out of your amplifier, make sure to download the free Instruction Manual from manualshive.com for comprehensive guidance and optimum performance.

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XXV-02A

20

 Indicates safety critical components.

Ref. No.

A

d

d

N

e

w

Parts No.

Description

Desti-

nation

Ref. No.

A

d

d

N

e

w

Parts No.

Description

Desti-

nation

E : Europe     K : North America     M : Other Areas     W : Without Europe

PARTS LIST

R18,19

RK73GB2A103J

CHIP R

10K

J

1/10W

R20,21

RK73GB2A473J

CHIP R

47K

J

1/10W

R22,23

RK73GB2A822J

CHIP R

8.2K

J

1/10W

R24,25

RK73GB2A912J

CHIP R

9.1K

J

1/10W

R26,27

RK73GB2A563J

CHIP R

56K

J

1/10W

R28,29

RK73GB2A473J

CHIP R

47K

J

1/10W

R32,33

RK73GB2A153J

CHIP R

15K

J

1/10W

R35

RK73GB2A332J

CHIP R

3.3K

J

1/10W

R36

RK73GB2A222J

CHIP R

2.2K

J

1/10W

R37

RK73GB2A473J

CHIP R

47K

J

1/10W

R38

RK73GB2A752J

CHIP R

7.5K

J

1/10W

R42

RK73GB2A153J

CHIP R

15K

J

1/10W

R43

RK73GB2A473J

CHIP R

47K

J

1/10W

R50,51

RK73GB2A103J

CHIP R

10K

J

1/10W

R52

RK73GB2A203J

CHIP R

20K

J

1/10W

R53,54

RK73GB2A471J

CHIP R

470

J

1/10W

R55

RK73GB2A103J

CHIP R

10K

J

1/10W

R60,61

RK73GB2A102J

CHIP R

1.0K

J

1/10W

R101,102

RK73GB2A473J

CHIP R

47K

J

1/10W

R103

RK73GB2A912J

CHIP R

9.1K

J

1/10W

R104

RK73GB2A822J

CHIP R

8.2K

J

1/10W

R105

RK73GB2A563J

CHIP R

56K

J

1/10W

R107

RK73GB2A473J

CHIP R

47K

J

1/10W

R108

RK73GB2A563J

CHIP R

56K

J

1/10W

R110,111

RK73GB2A473J

CHIP R

47K

J

1/10W

R112

RK73GB2A103J

CHIP R

10K

J

1/10W

R114

RK73GB2A203J

CHIP R

20K

J

1/10W

R115,116

RK73GB2A473J

CHIP R

47K

J

1/10W

R122

RK73GB2A822J

CHIP R

8.2K

J

1/10W

R126

RK73GB2A912J

CHIP R

9.1K

J

1/10W

R128,129

RK73GB2A471J

CHIP R

470

J

1/10W

R200

RK73GB2A472J

CHIP R

4.7K

J

1/10W

R201

RK73GB2A683J

CHIP R

68K

J

1/10W

R202-205

RK73GB2A471J

CHIP R

470

J

1/10W

R206-209

RK73GB2A102J

CHIP R

1.0K

J

1/10W

R210

RK73GB2A104J

CHIP R

100K

J

1/10W

R211

RK73GB2A102J

CHIP R

1.0K

J

1/10W

R213

RK73GB2A103J

CHIP R

10K

J

1/10W

R215

RK73GB2A103J

CHIP R

10K

J

1/10W

R217

RK73GB2A103J

CHIP R

10K

J

1/10W

R228,229

RD14BB2C391J

RD

390

J

1/6W

R230-233

RK73GB2A101J

CHIP R

100

J

1/10W

R237,238

RK73GB2A393J

CHIP R

39K

J

1/10W

R239,240

RK73GB2A473J

CHIP R

47K

J

1/10W

R241

RK73GB2A103J

CHIP R

10K

J

1/10W

R242

RK73GB2A222J

CHIP R

2.2K

J

1/10W

R243

RK73GB2A224J

CHIP R

220K

J

1/10W

R244

RK73GB2A123J

CHIP R

12K

J

1/10W

R245

RK73GB2A101J

CHIP R

100

J

1/10W

R246

RK73GB2A103J

CHIP R

10K

J

1/10W

R247,248

RK73GB2A150J

CHIP R

15

J

1/10W

R249,250

RK73GB2A473J

CHIP R

47K

J

1/10W

VR1,2

2A

R31-0241-05

VARIABLE RESISTOR (50K,C)

VR3

2A

R31-0238-05

VARIABLE RESISTOR (10K,A)

VR4

2A

R31-0241-05

VARIABLE RESISTOR (50K,C)

VR5

2A

R31-0238-05

VARIABLE RESISTOR (10K,A)

S1-5

2A

S62-0873-05

SLIDE SWITCH

S6

2A

S62-0874-05

SLIDE SWITCH

S7-9

S70-0922-05

TACT SWITCH

D1

MA3082-M

ZENER DIODE

IC1,2

NJM2058M-ZB

ANALOGUE IC

IC4

NJM2058M-ZB

ANALOGUE IC

IC5,6

NJM4565MD-ZB

ANALOGUE IC

IC7

LC75853NE-E

MOS-IC

IC8

E-TDA7409DTR

ANALOGUE IC

D92

B30-1601-05

LED

C1

C90-5557-05

ELECTRO

10UF

25WV

C2

CD04BJ1E470M

ELECTRO

47UF

25WV

C3

CF92FV1H102J

MF-C

1000PF

J

C4

CD04BJ1A101M

ELECTRO

100UF

10WV

C5

CD04BJ1H100M

ELECTRO

10UF

50WV

C6-10

CK73GB1H103K

CHIP C

0.010UF

K

C11,12

CD04BC1C392M

ELECTRO

3900UF

16WV

C13

CK73GB1H103K

CHIP C

0.010UF

K

C14

CD04BJ1H100M

ELECTRO

10UF

50WV

C17

CD04BJ1H100M

ELECTRO

10UF

50WV

C19,20

CD04BJ1E470M

ELECTRO

47UF

25WV

C21,22

CK73GB1H103K

CHIP C

0.010UF

K

C23,24

CF92FV1H152J

MF-C

1500PF

J

C27,28

CD04BJ1H100M

ELECTRO

10UF

50WV

C29

CD04BJ1E221M

ELECTRO

220UF

25WV

C30

CK73GB1H103K

CHIP C

0.010UF

K

C31,32

CC73GCH1H120J

CHIP C

12PF

J

C33,34

CK73FB1C105K

CHIP C

1.0UF

K

C35,36

✽

C90-6753-05

ELECTRO

4700UF

42WV

C37,38

CK73FB1C105K

CHIP C

1.0UF

K

C50

CD04BJ1H100M

ELECTRO

10UF

50WV

C51

CD04BJ1H010M

ELECTRO

1.0UF

50WV

C52

CD04BJ1E470M

ELECTRO

47UF

25WV

C53

CK73GB1H104K

CHIP C

0.10UF

K

C54

CD04BJ1H100M

ELECTRO

10UF

50WV

C55

CK73GB1H103K

CHIP C

0.010UF

K

C69

CD04BJ1H100M

ELECTRO

10UF

50WV

C70

CK73GB1H103K

CHIP C

0.010UF

K

C72

CD04BJ1A101M

ELECTRO

100UF

10WV

C75

CD04BJ1H100M

ELECTRO

10UF

50WV

C76

CK73GB1H103K

CHIP C

0.010UF

K

C77

CD04BJ1A221M

ELECTRO

220UF

10WV

C78

CK73GB1H103K

CHIP C

0.010UF

K

C80

CD04BJ1H100M

ELECTRO

10UF

50WV

C81

CD04BJ1E470M

ELECTRO

47UF

25WV

C82

CK73GB1H103K

CHIP C

0.010UF

K

C85

CD04BJ1A101M

ELECTRO

100UF

10WV

C86

CD04BJ1H2R2M

ELECTRO

2.2UF

50WV

C98,99

CK73GB1H103K

CHIP C

0.010UF

K

C100

CF92FV1H102J

MF-C

1000PF

J

AUDIO UNIT (X09-5940-10)

PREAMPLIFIER UNIT (X08-4240-10)

www. xiaoyu163. com

QQ 376315150

9

9

2

8

9

4

2

9

8

TEL 13942296513

9

9

2

8

9

4

2

9

8

0

5

1

5

1

3

6

7

3

Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

Summary of Contents for XXV-02A - 25th Anniversary Products Amplifier

Page 1: ...9 1770 15 Screw set N99 1577 15 Accessory W01 1606 05 Screw N07 0003 08 Screw N09 4214 08 Fuse 30A F52 0015 05 channel Power Amplifier 4 3 2 channel Power Am plifier 4 3 2 Cover F07 xxxx xx eXcelon is not printed on European Model eXcelon is not printed on European Model Dressing plate A21 xxxx xx www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q...

Page 2: ...IRCUIT I DETECTOR BU DETECTOR P SW SW5V BU5V Q25 DC DC CONVERTER Q17 18 26 AVR POP NOISE CIRCUIT MUTE2 Q22 901 902 Q50 53 FAN RST IC E2PROM I2C COMMUNICATION to AMP 5L COMMUNICATION to H U LOGO LED DIP SW DISPLAY LCD DRIVER IC LCD KEY LED B MUTE1 DIFFERENTIAL STAGE STAGE B CLASS MUTE1 DIFFERENTIAL STAGE STAGE B CLASS MUTE1 DIFFERENTIAL STAGE STAGE B CLASS VR1 VR1 PASS BUFFER AMPLIFIER ISOLATION AM...

Page 3: ...urrent detection and protection Q62 67 Fan operation circuit Q73 77 BU over voltage detection Q74 75 FET drive low start switch Q80 83 LX communication input signal level converter Q84 LX communication circuit power supply and AMP communication IC1 power switch Q85 86 90 92 96 98 LX communication output signal level converter Q91 14V power supply for LX communication circuit and AMP communication ...

Page 4: ...ction Pin No Pin Name I O Function Processing Operation Description 1 3 TEMP4 TEMP6 I Temperature detection 4 6 4 AVSS GND 5 L_CE O CE output to LCD driver H LCD driver CE 6 LX_REQ_S O Data transmit request to H U H OFF L ON 7 AVREF1 DA reference voltage 8 L_DATA_L I Data input from LCD driver 9 L_DATA_A O Data output to LCD driver 10 L_CLK O CLK output to LCD driver 11 LX_DATA_M I Data input from...

Page 5: ... class amplifier power supply control H ON L OFF 2ch 4ch L fixed 52 DC DET I Speaker output DC voltage detection H Normal L Abnormal 53 NC O Not used 54 POWER ON O Amplifier power supply control H ON D AB class L OFF 55 5VSW O 5VSW H OFF L ON 56 MUTE1 O Amplifier section input stage mute control H OFF L ON 57 MUTE2 O Driver stage pop noise mute control H OFF L ON 58 FAN1 O Fan rotation control H O...

Page 6: ...etection 1 3 MICROCOMPUTER STERMINAL DESCRIPTION 2 AMP ID AMP ID is checked only ohce at the time reset is released or when the microcomputer is released from the low consump tion mode When set to AMP ID 8 9 no remote control is possible AMP ID DIP SW1 DIP SW2 DIP SW3 DIP SW4 25pin 26pin 27pin 28pin 0 High High High High 1 Low High High High 2 High Low High High 3 Low Low High High 4 High High Low...

Page 7: ... PC board VR7 BLch between check land 2 minutes X09 VR8 BRch ADJUSTMENT Current detection circuit Amplify and rectify potential differences at two points in the primary side current circuit and send it to the AD port of the MPU and obtain data for displaying current value Constant current output circuit Remove troubles caused by the potential differences between the constant current output and the...

Page 8: ...238 R239 R240 R241 R242 R243 R244 R245 R246 R247 1 7 8 14 30 1 1 16 33 48 49 64 32 17 1 4 8 5 1 7 14 8 1 7 14 8 1 10 11 20 1 4 8 5 1 2 C21 1 3 C52 C75 C27 C200 50Hz 200Hz C9 C10 C12 C15 C16 C14 C17 503C C20 C26 C36 503C HI PASS VR2 LOW 50Hz 200Hz PASS 1 HPF Bch VR1 C63 C64 OFF LPF C102 200mV 103A 5V INPUT SENS 50Hz 503C 200Hz HI PASS VR3 1 VR4 1 5V INPUT SENS 103A 1 24 200mV C115 C114 Ach VR5 C107...

Page 9: ... TP88 TP89 TP90 TP91 TP92 TP93 TP94 TP95 TP96 TP98 TP99 TP100 TP101 TP102 TP103 TP104 TP105 TP106 TP107 TP108 TP109 TP110 TP111 TP112 TP113 TP114 TP115 TP116 TP117 TP118 TP119 TP120 TP121 TP122 TP123 TP124 TP125 TP126 TP127 TP128 TP129 TP130 TP131 TP132 TP133 TP134 TP135 TP136 TP137 TP138 TP139 TP140 TP141 TP142 TP143 TP144 TP145 TP146 TP147 TP148 TP149 TP150 TP151 TP153 TP155 TP156 TP157 TP158 TP...

Page 10: ...588 R19 C21 R21 C22 R582 R566 R581 R508 R507 R93 R92 W525 R407 R453 R417 R429 C419 R439 R431 C421 W522 4 1 5 8 1 7 14 8 14 8 1 7 1 2 3 4 1 1 4 5 8 2 13 12 9 5 1 4 8 1 3 4 20 60 41 40 21 61 80 W710 W715 E B B AR AL OUT BL AR 1 29 2 30 W325 C19 W319 W317 W229 W1 W2 W365 R4 C20 C69 C85 C52 C29 C5 C17 C27 C28 C51 C54 C77 C80 C81 C86 C100 C161 C200 C307 C308 C364 R364 C350 C351 C407 R463 C408 C461 C506...

Page 11: ...57 W156 W167 W168 W104 W143 W131 W146 W113 W200 W177 W155 W308 W337 W203 W204 W198 W192 W199 W193 W231 W178 W119 W118 W117 W115 W116 W109 W105 W106 W107 W108 W111 W110 W114 W112 W124 W132 W138 W129 W126 W123 W128 W127 W130 W121 W125 W140 W135 W122 W153 W160 W169 W164 W103 W102 W336 W430 1 W432 W172 E B E B E B E B E B E B E B E B B E E B E B E B E B S G D D G S S G D S G D S G D D G S G D S BL BR ...

Page 12: ...0K 8 10 R208 10K 9 11 R210 10K 10K 10K 13 12 C216 22u16 14 AUDIO MUTE AUDIO SDA AUDIO SCL 3 2 1 D GND L CLK ISO BL ISO GND IN ISO BR ISO AR ISO GND IN ISO AL 6 5 4 8 7 DI 11 10 9 DO L CE 14 13 12 ILL B ILL GND AMP BL FILTER GND AMP BR ISO GND OUT AMP AR FILTER GND AMP AL ISO GND OUT 20 17 16 15 19 18 22 21 FAN B 25 24 23 C402 R402 4 7K 10u50 R974 15K 3 6K R404 22K R406 1K C205 R270 R202 1K 1K C203...

Page 13: ...22 220 1000P R319 R321 22K C307 R311 4700P C305 100 R309 47u25 1K R313 C309 22P 4 3K 4 3K VR5 R357 1 8K 6 8K R355 R315 150 R359 1K C315 10u50 R331 1K R343 4 7 220 R333 100 R341 4 7 LOGO LED B NC 30 9 8 7 6 5 1 4 R187 2 68 3 L5 R80 47 R78 6 8K R79 47 R76 6 8K R70 R73 10K 10K C81 R69 10K 47u25 6800P C321 6800P C319 1 5K R339 33 R351 120P C313 510 R325 100P C311 2W 0 1 R345 2W 0 1 R347 150 R317 2W 0 ...

Page 14: ...C49 50 51 52 53 MUTE1 MUTE2 RESET FAN1 54 55 56 57 SW5V 58 59 60 FAN2 R 1 63 64 65 61 62 R505 10K VSS NC 4 3 VO VD 2 4 7uH C31 12P C23 1500P 87 8 R555 C508 L5 R556 47u25 3K 10K R24 R23 18K 18K R26 R25 4700u42 C36 C35 4700u42 1500P C24 10 1 2W 10 1 2W 9 8 C32 12P L9 R59 4 7K R60 47K C29 220u16 C51 1u50 R51 4 7K 3900u16 3900u16 3900u16 W1 W2 R22 6 2K R17 3 3K 13 10 11 12 15 14 L3 4 5 6 7 1 2 3 10 9 ...

Page 15: ...2 43 44 45 ATT3 NC44 NC45 R574 180 ERON PWER CDET BCUR DCUR 46 47 48 49 NC47 NC48 NC49 50 51 52 53 MUTE1 MUTE2 RESET FAN1 54 55 56 57 SW5V 58 59 60 FAN2 R620 10K VSS NC 4 3 VOUT VDD 1 2 2 2u50 C86 R472 47K OUTCTRL 150K 100u10 4 7K R12 10 R11 10 4 GND 8 C1 7 6 5 RT CT DTC 3 2 1 FBACK IN1 IN1 R3 C4 10u50 C54 R62 1 5K L1 C1 10u25 1 1 3 2 2 W51 W58 2 1 BL BR BR BL 3 4 5 6 8 7 1 2 3 4 BATT P CON GND 9 ...

Page 16: ...0 22 R237 39K TP54 12 13 10u35 8 TP58 TP161 TP160 C64 1 2 3 TP157 R239 47K 11 4 5 7 10u35 TP156 14 C63 6 8 TP118 27 25 26 28 29 30 31 32 R111 47K 22 AMP BL ISO GND AMP AL AMP AR ISO GND AMP BR DI CL CE 10 11 12 DO DGND 13 14 15 19 GND 16 17 18 GND 20 21 ILL GND LOGO LED FAN B ILL B 23 24 25 15V SW5V 15V 26 27 28 29 30 TP27 3 1 2 7 5 4 6 8 R116 47K C102 10u35 R115 47K C101 10u35 1 2 6 0 22 TP28 TP4...

Page 17: ...3 2 2K R242 10K R241 220K R243 TP86 TP99 TP101 TP164 TP165 TP98 TP96 TP162 56K R26 TP88 TP90 R22 8 2K TP102 TP103 C24 0 22 C20 10u35 C22 0 1 47K R20 TP91 4 5 6 9 1K R24 TP89 TP95 1 2 6 4 3 9 7 8 5 0 22 C25 TP94 0 1 47K R21 10u35 C21 C23 9 1K R25 2 3 TP92 8 2K R23 TP93 C34 0 01 TP104 R28 47K 10u35 C26 7 50K C VR1 R29 56K R27 47K C27 10u35 1 TP105 TP78 0 01 C900 0 01 C901 0 01 C902 0 01 C903 0 01 C9...

Page 18: ...3 N82 2006 48 N84 2606 48 N89 3006 43 N89 3008 43 N89 3008 48 N89 3016 48 N09 6217 05 N80 2008 48 N83 3012 48 26 27 28 Mx2 Hx2 Lx2 Cx2 Qx2 Gx3 4 5 1 13 14 6 8 719 H L L L L P P P H 723 723 722 715 F F F Ax3 Ax4 Kx2 715 730 G G L L L 731 Insulating sheet is contained 24 ED1 L Nx8 Nx16 7 17 16 715 724 731 716 702 Kx4 718x2 Kx3 Kx2 Kx3 Kx2 K FC1 F F F F D B J L L L L Ex2 Fx4 3 F2 F1 10 41 X08 42 X08 ...

Page 19: ... REFLECTION SHEET 41 2A B11 1447 04 OPTICAL DIFFUSER 42 2B B19 2258 12 LIGHTING BOARD D2 B30 1641 05 LED ED2 2B B38 1150 05 LCD ASSY C1 2 CK73GB1H103K CHIP C 0 010UF K C3 8 CK73FB1H224K CHIP C 0 22UF K C9 10 CD04AS1H010M ELECTRO 1UF 50WV C11 CK73GB1H103K CHIP C 0 010UF K C12 CD04AS1V100M ELECTRO 10UF 35WV C14 17 CD04AS1V100M ELECTRO 10UF 35WV C18 19 CK73GB1H103K CHIP C 0 010UF K C20 21 CD04AS1V100...

Page 20: ...J 1 10W R245 RK73GB2A101J CHIP R 100 J 1 10W R246 RK73GB2A103J CHIP R 10K J 1 10W R247 248 RK73GB2A150J CHIP R 15 J 1 10W R249 250 RK73GB2A473J CHIP R 47K J 1 10W VR1 2 2A R31 0241 05 VARIABLE RESISTOR 50K C VR3 2A R31 0238 05 VARIABLE RESISTOR 10K A VR4 2A R31 0241 05 VARIABLE RESISTOR 50K C VR5 2A R31 0238 05 VARIABLE RESISTOR 10K A S1 5 2A S62 0873 05 SLIDE SWITCH S6 2A S62 0874 05 SLIDE SWITCH...

Page 21: ...73GB1H103K CHIP C 0 010UF K C504 CK73GB1H104K CHIP C 0 10UF K C506 C90 5557 05 ELECTRO 10UF 25WV C507 CK73GB1H104K CHIP C 0 10UF K C508 CD04BJ1E470M ELECTRO 47UF 25WV C509 511 CC73GCH1H101J CHIP C 100PF J C512 513 CK73FB1H104K CHIP C 0 10UF K C515 516 CC73GCH1H101J CHIP C 100PF J C517 CK73FB1H104K CHIP C 0 10UF K C902 CD04BC1C392M ELECTRO 3900UF 16WV C920 921 CK73GB1H103K CHIP C 0 010UF K CN1 E41 ...

Page 22: ...8 RK73FB2B151J CHIP R 150 J 1 8W R319 322 RD14NB2E432J RD 4 3K J 1 4W R323 324 RK73FB2B151J CHIP R 150 J 1 8W R325 326 RK73GB2A511J CHIP R 510 J 1 10W R328 RD14NB2E101J RD 100 J 1 4W R329 331 RK73FB2B102J CHIP R 1 0K J 1 8W R333 335 RD14NB2E101J RD 100 J 1 4W R337 340 RK73FB2B152J CHIP R 1 5K J 1 8W R341 344 RD14NB2E4R7J RD 4 7 J 1 4W R345 348 R92 0205 05 METAL PLATE 0 1 K 2W R351 RK73GB2A330J CHI...

Page 23: ...R 10K J 1 10W R614 RK73GB2A102J CHIP R 1 0K J 1 10W R619 RK73GB2A153J CHIP R 15K J 1 10W R620 RK73GB2A103J CHIP R 10K J 1 10W R681 RK73GB2A123J CHIP R 12K J 1 10W R905 906 RK73GB2A332J CHIP R 3 3K J 1 10W R933 934 RK73GB2A223J CHIP R 22K J 1 10W R945 946 RK73GB2A332J CHIP R 3 3K J 1 10W R961 RK73GB2A473J CHIP R 47K J 1 10W R964 RK73GB2A153J CHIP R 15K J 1 10W R967 RK73GB2A331J CHIP R 330 J 1 10W R...

Page 24: ...08 R92 2053 05 CHIP R 0 OHM J 1 8W W709 R92 1252 05 CHIP R 0 OHM J 1 16W W710 R92 2053 05 CHIP R 0 OHM J 1 8W W711 R92 1252 05 CHIP R 0 OHM J 1 16W W712 R92 2053 05 CHIP R 0 OHM J 1 8W W713 719 R92 1252 05 CHIP R 0 OHM J 1 16W S6 S79 0843 05 DIP SWITCHES S7 3B S68 0806 05 PUSH SWITCH D1 2 RM4ZLF J1NF DIODE D4 UDZS16B ZENER DIODE D8 RD15JS AZ B ZENER DIODE D9 UDZS6 8B ZENER DIODE D11 UDZS5 1B ZENER...

Page 25: ...A114EUA DIGITAL TRANSISTOR Q92 DTC114EUA DIGITAL TRANSISTOR Q93 94 2SA1576A TRANSISTOR Q95 2SC4081 TRANSISTOR Q96 2SA1576A TRANSISTOR Q97 DTA114EUA DIGITAL TRANSISTOR Q98 2SA1576A TRANSISTOR Q99 DTA114EUA DIGITAL TRANSISTOR Q210 2SA1376AA L K TRANSISTOR Q212 2SC3419 Y TRANSISTOR Q301 304 2SA992 A F E TRANSISTOR Q305 308 2SC3478AA L K TRANSISTOR Q309 2SA1376AA L K TRANSISTOR Q311 2SC3419 Y TRANSIST...

Page 26: ... Bridged 4Ω 1kHz 0 5 THD 240W x 2 Low Pass Filter Frequency 24dB oct B channel 50 200Hz variable High Pass Filter Frequency 12dB oct 50 200Hz variable Infrasonic Filter Frequency 24dB oct B channel 15Hz Frequency Response 0 3dB 5Hz 50kHz Signal to Noise Ratio 105dB Sensitivity rated output MAX 0 2V MIN 5 0V Input Impedance 10kΩ Amplifier Control Section EQ B channel Bass Frequency 60 80 100 200Hz ...

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