Kenwood XXV-03A Service Manual Download Page 17

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XXV-03A

Indicates safety critical components.

✽

New parts

Parts without Parts No. are not supplied.
Les articles non mentionnes dans le Parts No. ne sont pas fournis.
Teile ohne Parts No. werden nicht geliefert.

Ref. No.

Parts No.

Description

Desti-

nation

Ref. No.

Parts No.

Description

Desti-

nation

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

PARTS LIST

✽

A21-4548-12

DRESSING PANEL

✽

A21-4549-12

DRESSING PANEL

✽

A64-3670-02

PANEL

✽

B07-3153-13

ESCUTCHEON (MAIN FAN)

✽

B07-3154-12

ESCUTCHEON (SIDE FAN L)

✽

B07-3155-12

ESCUTCHEON (SIDE FAN R)

✽

B10-4717-03

FRONT GLASS

B19-2257-03

LIGHTING BOARD

✽

B43-1533-14

BADGE

B46-0100-50

WARRANTY CARD

✽

B46-0672-04

USER CARD (25TH ANNIVERSARY) K

✽

B46-0673-04

USER CARD (25TH ANNIVERSARY) E1

✽

B64-3087-00

INST. MANUAL (ENG,FRE,SPA)

✽

B64-3088-00

INST. MANUAL (GER,DUT,ITA,POR) E1

✽

B64-3088-00

INST. MANUAL (T-CHI)

FC1

E39-0642-05

FLAT CABLE

✽

F01-1795-01

HEAT SINK

✽

F07-1156-02

COVER

✽

F07-1157-02

COVER

F09-1885-15

FAN (60X60X11.5)

F1-3

F52-0014-05

FUSE (BLADE TYPE) (25A)

H10-4894-13

POLYSTYRENE FOAMED FIXTURE

H13-2055-04

CARTON BOARD

H25-1199-04

PROTECTION BAG

H25-1200-04

PROTECTION BAG (250X350X0.03)

✽

H54-3497-03

ITEM CARTON CASE

✽

H54-3498-03

ITEM CARTON CASE

K24-4146-03

PUSH KNOB (VR CAP)

N99-1577-15

SCREW SET

✽

N99-1770-15

SCREW & WRENCH KEY SET

TAPTITE SCREW (3X12)

TAPTITE SCREW (4X8)

MACHINE SCREW (2X5)

FLAT WASHER

PAN HEAD TAPTITE SCREW

N80-3010-43

PAN HEAD TAPTITE SCREW

N82-2006-48

BINDING HEAD TAPTITE SCREW

N84-2606-48

PAN HEAD TAPTITE SCREW

N89-3006-43

BINDING HEAD TAPTITE SCREW

N89-3008-43

BINDING HEAD TAPTITE SCREW

N89-3008-48

BINDING HEAD TAPTITE SCREW

N89-3016-48

BINDING HEAD TAPTITE SCREW

W01-1606-05

ACCESSORY

B11-1446-04

REFLECTION SHEET

B11-1447-04

OPTICAL DIFFUSER

B19-2258-12

LIGHTING BOARD

B30-1641-05

LED

ED1

B38-1150-05

LCD ASSY

C1,2

CK73FB1H224K

CHIP C

0.22UF

CD04AS1V100M

ELECTRO

10UF

35WV

CK73GB1H103K

CHIP C

0.010UF

CK73GB1H821K

CHIP C

820PF

C6,7

CK73GB1H473K

CHIP C

0.047UF

CK73FB1H224K

CHIP C

0.22UF

CK73GB1H103K

CHIP C

0.010UF

C10

CK73FB1H224K

CHIP C

0.22UF

C11-13

CK73GB1H103K

CHIP C

0.010UF

C14

CD04AS1H010M

ELECTRO

1UF

50WV

C15

CD04AS1V100M

ELECTRO

10UF

35WV

C16

CK73GB1H103K

CHIP C

0.010UF

C17

CD04AS1V100M

ELECTRO

10UF

35WV

C18,19

CC73GCH1H221J

CHIP C

220PF

C20

CD04AS1V100M

ELECTRO

10UF

35WV

C21

CC73GCH1H221J

CHIP C

220PF

C22,23

CD04AS1V100M

ELECTRO

10UF

35WV

C24

CK73GB1H103K

CHIP C

0.010UF

C25

CD04AS1V100M

ELECTRO

10UF

35WV

C26

CK73GB1H683K

CHIP C

0.068UF

C27

CC73GCH1H220J

CHIP C

22PF

C28

CK73FB1E154K

CHIP C

0.15UF

C29,30

CK73GB1H103K

CHIP C

0.010UF

C31

CK73GB1H223K

CHIP C

0.022UF

C32

CD04AS1V100M

ELECTRO

10UF

35WV

C33

CK73GB1H103K

CHIP C

0.010UF

C34

CK73GB1H683K

CHIP C

0.068UF

C35

CK73FB1E154K

CHIP C

0.15UF

C36

CK73GB1H103K

CHIP C

0.010UF

C37

CD04AS1V100M

ELECTRO

10UF

35WV

C38

CK73GB1H333K

CHIP C

0.033UF

C39

CD04AS1C470M

ELECTRO

47UF

16WV

C40

CD04AS1V100M

ELECTRO

10UF

35WV

C41-47

CK73GB1H103K

CHIP C

0.010UF

C48,49

CD04AS1V100M

ELECTRO

10UF

35WV

CN1

E41-2178-05

FLAT CABLE CONNECTOR (22P)

WH1

E39-0655-05

WIRING HARNESS

RK73GB2A472J

CHIP R

4.7K

1/10W

RK73GB2A223J

CHIP R

22K

1/10W

RK73GB2A134J

CHIP R

130K

1/10W

RK73GB2A623J

CHIP R

62K

1/10W

R5-8

RK73GB2A471J

CHIP R

470

1/10W

R10

RK73GB2A683J

CHIP R

68K

1/10W

R11,12

RK73GB2A102J

CHIP R

1.0K

1/10W

R13,14

RK73GB2A393J

CHIP R

39K

1/10W

R16

RK73GB2A563J

CHIP R

56K

1/10W

R17

RK73GB2A102J

CHIP R

1.0K

1/10W

R18

RD14BB2C391J

390

1/6W

R19

RK73GB2A102J

CHIP R

1.0K

1/10W

R20,21

RK73GB2A473J

CHIP R

47K

1/10W

R22-24

RK73GB2A101J

CHIP R

100

1/10W

R25

RK73GB2A103J

CHIP R

10K

1/10W

R26

RK73GB2A222J

CHIP R

2.2K

1/10W

R27

RK73GB2A104J

CHIP R

100K

1/10W

XXV-03A

PREAMPLIFIER UNIT (X08-4230-10)

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

Summary of Contents for XXV-03A

Page 1: ... 08 Fuse 25A F52 0014 05 Cover F07 xxxx xx Screw Wrench key set N99 1770 15 Screw set N99 1577 15 Accessory W01 1606 05 Subwoofer Power Amplifier S u b w o o f e r P o w e r A m p l i f i e r 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...

Page 2: ...signal and triangular wave COMPONENTS DESCRIPTION LINE LINE IN AMP CONT DRIVER LCD COMPARATOR DEAD TIME TRIANGLE WAVE LOAD OVER DRIVER MUTE DC OFFSET DET CURRENT INPUT VOLTAGE CONTROL FAN OVER VOLTAGE MEASURE DET SWITCH POWER 15V AVR AVR 5V 5V SWITCH SWITCH ACCRESS ROM CORRECT IC RESET THERMAL PROTECT BUFFER I2C VOLTAGE DET DOWN P CON DET AMP MUTE COMPARATOR ISOLATOR CONT DET DET ISO I F S B R F I...

Page 3: ...OFF and limiting over voltage Q25 29 84 AVR 15V Q26 30 110 AVR 15V Q31 33 46 109 Voltage control D class section predrive stage power supply ON OFF Q47 AVR D class section first stage supplementary power supply Q52 55 Voltage current converter Over current detection when SP is shorted Q57 58 60 61 Switching DC DC converter switching Q64 65 67 70 Q59 63 Voltage control In order to have µcom display...

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: ... 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 GND so that the GND po tential differences between the H U and the AMP is not overlapped in the ...

Page 8: ...8 5 10 20 11 1 1 1 1 1 200Hz 40Hz 200Hz 50Hz 5V 200mV 24 1 3 1 R18 R57 C3 C20 C14 C15 C17 C22 C23 C25 C32 C37 C39 C40 C48 C49 B R F LOW PASS INPUT SENS I F S I F S B R F I N V 15Hz 25Hz ON OFF 6dB 12dB OFF ON OFF ON OFF AMP CONT 503C 503C 103A VR1 VR2 VR3 CN1 D1 S1 S5 S6 S7 S8 D2 ED1 S2 S3 S4 WH1 IC6 IC1 IC2 IC3 IC5 IC4 PREAMPLIFIER UNIT X08 4230 10 J76 0012 12 X08 4230 10 Ref No Address IC1 2B IC...

Page 9: ...TP71 TP72 TP73 TP74 TP75 TP76 TP77 TP79 TP80 TP81 TP82 TP85 TP86 TP87 TP88 TP89 TP90 TP91 TP92 TP93 TP94 TP95 TP96 TP97 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 TP124 TP125 TP126 TP127 TP128 PREAMPLIFIER UNIT X08 4230 10 J76 0012 12 Refer to the schematic diagram for the values of resistors a...

Page 10: ...TP9 DATA M DATA CLK ROM ROM DATA S TP11 TP37 TP38 TP39 TP62 TP61 B GND B TP26 TP2 1 21 22 2 TP3 TP4 TP5 TP6 TP7 TP8 TP35 TP31 TP30 TP17 TP18 TP16 TP100 TP101 TP104 TP105 TP103 TP102 15V 15V TP23 B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B E B B B E E E B E E B E B B E B E B E B E B E B E B E B E B E B E BE BE B E B E B E L3 W128 W104 C62 S D E E E B B B B B E ...

Page 11: ...0 D1 D54 D56 D57 J5 Q57 Q58 Q60 Q61 Q64 Q65 Q67 Q68 Q69 Q70 D37 D38 D39 D40 D41 D42 D43 Q47 Q54 Q55 P1 CN1 CN2 CN4 CN5 IC6 IC7 IC14 IC13 X09 B 2 X09 5930 10 Ref No Address IC1 6K IC2 4M IC3 4M IC4 4L IC5 4L IC6 2Q IC7 2P IC10 5L IC11 5M IC13 5S IC14 2R IC15 6L IC16 6M Q1 6M Q2 6M Q3 6L Q4 6L Q5 6L Q6 6L Q7 6L Q8 6L Q9 5M Q10 4M Q15 3L Q16 3K Q17 3K Q18 3K Q19 3L Q20 5N Q21 3L Q22 3M Q23 5N Q24 5N ...

Page 12: ...26 11 13 14 100 R263 47K R106 100 R313 R289 R112 180 100K 28 27 26 25 R261 2 7K R260 2 7K 0 01 C108 TP2 TP3 TP4 TP5 TP6 TP7 TP13 TP8 TP61 TP10 TP12 TP9 TP11 TP46 TP47 5 8 9 10 20 19 100u10 12 288MHz C118 12P X1 C117 12P 58 59 54 52 51 50 R108 2 2K 1000P C34 0 01 C48 10K R319 1000P C107 61 63 62 C43 2 2u50 0 01 C42 2 2K R104 2 2K R103 10K R107 0 01 C50 0 01 C49 4 7uH L1 R5 100 R232 1K 0 01 C17 C14 ...

Page 13: ...Q107 Q106 D37 D38 Q47 D43 D42 D41 D40 D46 D89 Q61 Q65 Q68 Q70 Q60 Q64 Q67 Q69 Q59 Q63 Q53 Q55 Q52 Q54 Q80 Q62 D51 D50 Q79 Q73 D57 D56 D54 P1 CN5 CN4 D49 D48 J5 Q78 Q66 D33 D32 2 2 IC14 1 2 IC14 D44 D90 Q71 Q72 IC7 2 2 IC7 1 2 D52 D55 Q81 D53 Q82 D58 Q75 Q76 Q77 Q74 GND LINE SIGNAL LINE B LINE B LINE IC1 2 7 14 BA4560F IC3 NJM319D IC4 5 TC74HC00AF IC6 16 BA10393F IC10 784224YGC117 IC11 PST3436UL E ...

Page 14: ...01 0 01 C5 FAN TP7 TP6 TP9 TP12 TP10 TP47 TP5 TP13 TP14 TP15 R20 47K 47K R21 C9 0 01 C13 0 01 39K R14 TP11 TP67 TP65 TP66 TP71 TP73 TP68 TP69 TP70 3 3K R40 2 2K R44 15K R41 12K R48 0 15 C35 2 2K R50 50K C VR1 TP1 TP51 TP126 TP62 TP127 R61 1K 5 1K R62 R63 5 6K TP72 TP125 S1 S3 S2 S5 S4 5 4 S6 6 7 S7 S8 S5 S4 S7 S6 S10 S9 S12 S11 S14 S15 S16 S11 S12 S10 S13 10 S8 S9 8 9 11 12 14 13 15 16 S2 S1 2 1 S...

Page 15: ...1 R51 47K R54 47K R53 10K 47K R67 100 R22 100 R23 100 R24 0 01 C42 0 01 C41 0 01 C43 0 01 C44 0 01 C45 0 01 C46 0 01 C47 C18 220P C19 220P C21 220P SEG 19 COM 1 COM 3 COM 2 SEG 21 SEG 20 SEG 16 SEG 17 SEG 18 SEG 15 SEG 14 19 24 22 23 21 20 16 18 17 15 14 SEG 8 SEG 13 SEG 12 SEG 11 SEG 10 SEG 9 SEG 6 SEG 7 SEG 5 SEG 4 SEG 3 SEG 2 SEG 1 8 13 12 11 10 9 7 6 5 4 3 2 1 11 SEG 11 23 22 24 COM 1 COM 2 CO...

Page 16: ...N84 2606 48 N89 3006 43 N89 3008 43 N89 3008 48 N89 3016 48 N09 6217 05 26 27 28 Mx2 Hx2 Cx2 Gx3 4 5 1 10 13 14 6 8 731 H L L L L H 720 746 723 722 715 719 F F Ax3 Kx3 715 730 G G L L 731 24 53 x4 Ax3 Lx2 Nx10 Nx8 41 7 17 716 702 718x2 Kx3 Kx3 Kx2 Kx2 Kx2 K FC1 F F F D B J L L L L Ex2 Ex2 Fx2 F3 F2 F1 ED1 3 Insulating sheet is contained in the transistor X08 743 X02 751 X09 752 X09 X08 X08 42 X08 ...

Page 17: ... BOARD D2 B30 1641 05 LED ED1 2B B38 1150 05 LCD ASSY C1 2 CK73FB1H224K CHIP C 0 22UF K C3 CD04AS1V100M ELECTRO 10UF 35WV C4 CK73GB1H103K CHIP C 0 010UF K C5 CK73GB1H821K CHIP C 820PF K C6 7 CK73GB1H473K CHIP C 0 047UF K C8 CK73FB1H224K CHIP C 0 22UF K C9 CK73GB1H103K CHIP C 0 010UF K C10 CK73FB1H224K CHIP C 0 22UF K C11 13 CK73GB1H103K CHIP C 0 010UF K C14 CD04AS1H010M ELECTRO 1UF 50WV C15 CD04AS...

Page 18: ...3GCH1H100D CHIP C 10PF D C10 CC73GCH1H330J CHIP C 33PF J C11 CK73GB1H103K CHIP C 0 010UF K C12 13 CF92FV1H102J MF C 1000PF J C14 CC73GCH1H100D CHIP C 10PF D C15 16 CD04BJ1H100M ELECTRO 10UF 50WV C17 CK73GB1H103K CHIP C 0 010UF K C19 CK73GB1H103K CHIP C 0 010UF K C21 CC73GCH1H470J CHIP C 47PF J C22 CC73GCH1H330J CHIP C 33PF J C23 CC73GCH1H101J CHIP C 100PF J C24 CD04BJ1H100M ELECTRO 10UF 50WV C25 2...

Page 19: ...J 1 10W R6 RD14BB2C470J RD 47 J 1 6W R7 RK73GB2A432J CHIP R 4 3K J 1 10W R10 11 RD14BB2C102J RD 1 0K J 1 6W R13 RK73GB2A103J CHIP R 10K J 1 10W R14 RK73GB2A432J CHIP R 4 3K J 1 10W R15 RN73GH1J103D CHIP R 10K D 1 16W R16 17 RD14BB2C102J RD 1 0K J 1 6W R18 RN73GH1J103D CHIP R 10K D 1 16W R19 RK73GB2A392J CHIP R 3 9K J 1 10W R20 RN73GH1J103D CHIP R 10K D 1 16W R21 RK73GB2A123J CHIP R 12K J 1 10W R22...

Page 20: ...P FL PROOF RS 4 7 J 2W R181 RK73GB2A514J CHIP R 510K J 1 10W R183 RK73GB2A392J CHIP R 3 9K J 1 10W R184 RK73GB2A332J CHIP R 3 3K J 1 10W R185 RK73GB2A302J CHIP R 3 0K J 1 10W R186 187 RK73GB2A103J CHIP R 10K J 1 10W R188 RK73GB2A470J CHIP R 47 J 1 10W R189 RK73GB2A103J CHIP R 10K J 1 10W R190 RK73GB2A222J CHIP R 2 2K J 1 10W R191 RK73GB2A332J CHIP R 3 3K J 1 10W R192 RK73GB2A243J CHIP R 24K J 1 10...

Page 21: ...367 R92 2053 05 CHIP R 0 OHM J 1 8W W368 R92 1252 05 CHIP R 0 OHM J 1 16W W369 371 R92 2053 05 CHIP R 0 OHM J 1 8W W372 374 R92 1252 05 CHIP R 0 OHM J 1 16W W375 376 R92 2053 05 CHIP R 0 OHM J 1 8W W377 R92 1252 05 CHIP R 0 OHM J 1 16W W378 R92 2053 05 CHIP R 0 OHM J 1 8W W379 380 R92 1252 05 CHIP R 0 OHM J 1 16W W381 382 R92 2053 05 CHIP R 0 OHM J 1 8W W383 R92 1252 05 CHIP R 0 OHM J 1 16W W384 3...

Page 22: ...STOR Q7 8 DTC114EUA DIGITAL TRANSISTOR Q9 DTA114EUA DIGITAL TRANSISTOR Q10 2SC4081 TRANSISTOR Q15 2SC3478AA L K TRANSISTOR Q16 17 2SA1576A TRANSISTOR Q18 2SC3478AA L K TRANSISTOR Q19 2SA1352E F KEN TRANSISTOR Q20 2SA1576A TRANSISTOR Q21 22 2SA1352E F KEN TRANSISTOR Q23 2SD1863 TRANSISTOR Q24 2SC4081 TRANSISTOR Q25 2SC4467NF TRANSISTOR Q26 2SA1859ANF TRANSISTOR Q27 28 2SA1352E F KEN TRANSISTOR Q29 ...

Page 23: ...OR Q96 DTC114EUA DIGITAL TRANSISTOR Q97 99 2SC4081 TRANSISTOR Q102 DTA114EUA DIGITAL TRANSISTOR Q103 104 2SC945AA Q P TRANSISTOR Q106 2SB1238 TRANSISTOR Q107 108 2SC4081 TRANSISTOR Q109 DTC114EUA DIGITAL TRANSISTOR Q110 2SA992 A F E TRANSISTOR Q111 DTA114EUA DIGITAL TRANSISTOR TH1 NT732ATTD103J THERMISTOR AUDIO UNIT X09 5930 10 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 ...

Page 24: ...ency 24dB oct OFF 15 25Hz Phase Inverter 0 Normal 180 Reverse Band Reject Filter Frequency 40 200Hz variable Frequency Response 0 3dB 5Hz 200Hz Signal to Noise Ratio 100dB Sensitivity rated output MAX 0 2V MIN 5 0V Input Impedance 10kΩ Amplifier Control Section EQ Bass Frequency 60 80 100 200Hz Bass Level 15 15dB Bass Q Factor 1 00 1 25 1 50 2 00 General Operating Voltage 14 4V 11 16V allowable Cu...

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