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Sony XM-444W, Руководство по обслуживанию, Страница: 8 / 18

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8

8

XM-444W

3-2. BLOCK DIAGRAM — REAR/POWER SECTION —

DIFFERENTIAL

AMP

Q302

DRIVE AMP

Q304

S802-1

LPF

(80Hz)

DRIVE AMP

Q308

DIFFERENTIAL

AMP

Q303

DRIVE AMP

Q305

DRIVE AMP

Q309

POWER AMP

Q310

POWER AMP

Q311

BIAS

Q306,307

7

DIFFERENTIAL

AMP

Q402

DRIVE AMP

Q404

SWITCH

Q401

MUTE

Q851

DRIVE AMP

Q408

DIFFERENTIAL

AMP

Q403

DRIVE AMP

Q405

DC DET

IC851

DRIVE AMP

Q409

POWER AMP

Q410

POWER AMP

Q411

OVERLOAD

DET

Q412

PROTECTOR

Q802

POWER/

PROTECTOR

LD801

1

4

2

12

1

3

16

13

14

B+

SWITCH

Q902

POWER

ON/OFF

Q901

INVERTER

Q903

INVERTER

Q904

15V REG

Q905,D905

6

1

3

CN802 (2/2)

SPEAKER

OUT

(REAR)

CN801

BIAS

Q406,407

9

DRIVER

Q907

DRIVER

Q908

10

LED

DRIVE

Q803

TH801

D804

TH802

D802

TH803

3

2

2

5

6

(REAR)

ON

OFF

S802-2

LPF

(80Hz)

(REAR)

ON

OFF

PRE AMP

IC804 (1/2)

PRE AMP

IC804 (2/2)

LPF

IC805 (1/2)

GAIN CONTROL

AMP

IC806 (1/2)

GAIN CONTROL

AMP

IC806 (2/2)

CNJ802 (2/2)

VR802-2

LEVEL

(REAR)

LPF

IC805 (2/2)

B+

(14.8V)

B-

(-14.8V)

B+

(23.5V)

B-

(-23.5V)

DC-DC CONVERTER

TRANSFORMER

T901

RECT

D903,904

15

ERROR

ERROR

DC-DC CONVERTER

IC901

THERMAL

Q801

F901

40A

+12V

HI LEVEL

INPUT

(REAR)

CNJ801 (2/2)

REM

GND

L

L

R

R

BTL

-4

R

-4

-3

L (BTL)

-3

OFFSET

DET

Q852,853

OVERLOAD

DET

Q312

7

B

A

C

3

1

5

5

7

SWITCH

Q301

2

VR802-1

LEVEL

(REAR)

-15V REG

Q906,D906

• Signal path

            : AUDIO (REAR)

(Page 7)

(Page 7)

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9

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Q

Q

TEL  13942296513  QQ  376315150  892498299 

TEL  13942296513  QQ  376315150  892498299 

http://www.xiaoyu163.com

http://www.xiaoyu163.com

Содержание XM-444W

Страница 1: ...4 Ω 40 W 4 20 Hz 20 kHz 0 1 THD at 2 Ω 2 Speakers 80 W 2 20 Hz 20 kHz 0 1 THD at 4 Ω Frequency response 5 Hz 80 kHz dB Harmonic distortion 0 005 or less at 1 kHz 4 Ω 10 W Low pass filter 80 Hz 18 dB oct High pass filter 80 Hz 12 dB oct Power requirements 12 V DC car battery negative ground Power supply voltage 10 5 16 V Current drain at rated output 20 A 4 Ω 35 W 4 Remote input 1 5 mA Dimensions A...

Страница 2: ...Short between the positive and negative sides of the speaker output terminal CN802 with the power on Perform this shorting for each channel on FRONT and REAR 2 Verify that the protector is operated and LD801 illuminates red 3 Verify that the protector is not released and LD801 remains red even when the short is removed 4 Verify that the protector is released and LD801 illuminates green when the po...

Страница 3: ...d from instruction manual 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 Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 4: ...yu163 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 Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 5: ...ing sequence Note Follow the disassembly procedure in the numerical order given 2 1 BOTTOM PLATE 1 BTP 3x6 2 BTP 3x6 3 bottom plate 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 Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 6: ...3x8 1 BVTP 3x8 2 rear panel 3 BVTP 3x8 4 front panel 5 AMP board 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 Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Страница 7: ... 2 2 5 6 FRONT ON OFF FRONT ON OFF S801 2 HPF 80Hz PRE AMP IC801 1 2 PRE AMP IC801 2 2 HPF IC802 1 2 GAIN CONTROL AMP IC803 1 2 GAIN CONTROL AMP IC803 2 2 1 2 2 R CNJ802 1 2 VR801 2 LEVEL FRONT HI LEVEL INPUT FRONT CNJ801 1 2 L L R R BTL 1 L BTL OVERLOAD DET Q112 B A C 5 7 HPF IC802 2 2 5 VR801 1 LEVEL FRONT 3 1 7 SWITCH Q101 FRONT Signal path AUDIO FRONT Page 8 Page 8 Page 8 w w w x i a o y u 1 6...

Страница 8: ... D804 TH802 D802 TH803 3 2 2 5 6 REAR ON OFF S802 2 LPF 80Hz REAR ON OFF PRE AMP IC804 1 2 PRE AMP IC804 2 2 LPF IC805 1 2 GAIN CONTROL AMP IC806 1 2 GAIN CONTROL AMP IC806 2 2 CNJ802 2 2 VR802 2 LEVEL REAR LPF IC805 2 2 B 14 8V B 14 8V B 23 5V B 23 5V DC DC CONVERTER TRANSFORMER T901 RECT D903 904 15 ERROR ERROR DC DC CONVERTER IC901 THERMAL Q801 F901 40A 12V HI LEVEL INPUT REAR CNJ801 2 2 REM GN...

Страница 9: ... R317 R321 R323 R322 R324 R325 R326 R327 R329 R330 R333 R318 D301 D302 R315 R331 R332 Q402 R414 R416 R419 R420 R417 R421 R423 R422 R424 R425 R426 R427 R429 R430 R433 R418 D401 D402 R415 R431 R432 Q311 R336 Q411 R436 C416 R435 C316 R335 Q301 Q401 C305 C405 C303 C403 C404 C304 C311 C411 C401 C402 C319 C320 C420 C419 R301 R302 R403 R304 R404 R303 R311 R411 R412 R312 R313 R413 R310 R410 R401 R402 R338...

Страница 10: ...TH801 D804 R911 R806 R805 R814 D805 C910 R927 R928 R923 R925 Q907 Q908 R921 R922 R919 R920 R916 R918 R915 R917 C913 C914 C911 C912 C915 C916 R929 R930 D905 D906 C917 C918 Q905 Q906 C919 C920 IC851 R909 Q801 F901 CN801 R924 R926 D904 Q903 Q904 T901 D903 D806 TH803 Q802 C851 L951 C852 C853 C854 C804 C904 C906 C802 R865 C902 Waveform IC901 5 1 1V DIV 5µsec DIV 15µsec 3 4Vp p Page 9 w w w x i a o y u ...

Страница 11: ...JW60 JW79 JW83 JW1 JW6 JW4 JW5 JW12 JW3 JW13 JW17 JW29 JW33 JW28 JW35 JW38 JW36 JW37 JW39 JW34 JW27 JW42 JW40 JW47 JW46 JW41 JW43 JW45 JW44 JW26 JW16 JW15 JW14 JW22 JW23 JW24 JW25 JW9 JW8 JW7 JW80 JW81 JW82 JW100 JW134 JW149 JW146 JW137 JW140 JW141 JW147 JW148 R858 R813 R811 R812 R236 R136 JR8 R809 R803 R801 C801 R902 C902 R903 R912 C909 R911 R910 C906 D804 JR7 R856 R857 R804 C213 R215 R129 R223 R...

Страница 12: ...Part No Description Remark R R 1 3 240 650 01 PLATE BOTTOM 2 3 238 669 01 PANEL FRONT 3 3 238 668 21 HEAT SINK 4 3 238 670 01 PANEL REAR 5 A 3274 222 A AMP BOARD COMPLETE 6 7 685 646 79 SCREW BVTP 3X8 TYPE2 IT 3 7 7 685 545 14 SCREW BTP 3X6 TYPE2 N S 8 3 240 642 01 HEAT SINK SUB 2CH 9 3 240 651 01 HEAT SINK SUB 4CH 10 3 225 184 01 SCREW PS TT 3X6 11 3 225 183 01 SCREW PSW TT 3XL 12 3 912 432 01 SC...

Страница 13: ...MIC CHIP 100PF 5 50V C218 1 162 927 11 CERAMIC CHIP 100PF 5 50V C219 1 115 467 11 CERAMIC CHIP 0 22uF 10 10V C220 1 115 467 11 CERAMIC CHIP 0 22uF 10 10V C301 1 126 963 11 ELECT 4 7uF 20 50V C302 1 126 963 11 ELECT 4 7uF 20 50V C303 1 162 923 11 CERAMIC CHIP 47PF 5 50V C304 1 162 927 11 CERAMIC CHIP 100PF 5 50V C305 1 162 927 11 CERAMIC CHIP 100PF 5 50V C306 1 126 963 11 ELECT 4 7uF 20 50V C307 1 ...

Страница 14: ...IN 4P INPUT FRONT REAR CONNECTOR CNJ802 1 580 283 11 PIN CONNECTOR PC BOARD 8P HI LEVEL INPUT FRONT REAR DIODE D101 8 719 801 78 DIODE 1SS184 D102 8 719 801 78 DIODE 1SS184 D201 8 719 801 78 DIODE 1SS184 D202 8 719 801 78 DIODE 1SS184 D301 8 719 801 78 DIODE 1SS184 D302 8 719 801 78 DIODE 1SS184 D401 8 719 801 78 DIODE 1SS184 D402 8 719 801 78 DIODE 1SS184 D801 8 719 801 78 DIODE 1SS184 D802 8 719...

Страница 15: ...TRANSISTOR 2SA1162 YG Q408 8 729 020 80 TRANSISTOR 2SC2235 O Y TPE6 Q409 8 729 232 32 TRANSISTOR 2SA965 Q410 8 729 024 79 TRANSISTOR 2SC5100 P Q411 8 729 024 76 TRANSISTOR 2SA1908 P Q412 8 729 230 49 TRANSISTOR 2SC2712 YG Q801 8 729 049 77 TRANSISTOR HN1B01F GR T5LSONY Q802 8 729 049 77 TRANSISTOR HN1B01F GR T5LSONY Q803 8 729 027 43 TRANSISTOR DTC114EKA T146 Q851 8 729 049 77 TRANSISTOR HN1B01F G...

Страница 16: ... METAL CHIP 47K 5 1 16W R309 1 216 841 11 METAL CHIP 47K 5 1 16W R310 1 216 829 11 METAL CHIP 4 7K 5 1 16W R311 1 218 482 11 RES CHIP 430 5 1 10W R312 1 216 222 00 RES CHIP 10K 5 1 8W R313 1 216 829 11 METAL CHIP 4 7K 5 1 16W R314 1 216 839 11 METAL CHIP 33K 5 1 16W R315 1 216 823 11 METAL CHIP 1 5K 5 1 16W R316 1 216 823 11 METAL CHIP 1 5K 5 1 16W R317 1 216 839 11 METAL CHIP 33K 5 1 16W R318 1 2...

Страница 17: ... 16W R903 1 216 833 11 METAL CHIP 10K 5 1 16W R904 1 216 190 00 RES CHIP 470 5 1 8W R905 1 216 829 11 METAL CHIP 4 7K 5 1 16W R906 1 216 190 00 RES CHIP 470 5 1 8W R907 1 216 190 00 RES CHIP 470 5 1 8W R909 1 216 849 11 METAL CHIP 220K 5 1 16W R910 1 216 836 11 METAL CHIP 18K 5 1 16W R911 1 216 835 11 METAL CHIP 15K 5 1 16W R912 1 216 833 11 METAL CHIP 10K 5 1 16W R913 1 216 853 11 METAL CHIP 470K...

Страница 18: ...jump to the next revised page Ver Date Description of Revision 1 0 2002 04 New 1 1 2003 02 Part number correction of S801 802 SPM 03002 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 Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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