Pioneer KEH-P4010R Скачать руководство пользователя страница 5

Страница: 5 / 46

KEH-P4010R,P4010RB,P4013R

1 Screw

BSZ26P050FMC

2 Screw

BSZ30P050FMC

3 Screw

BSZ30P200FMC

4 Cord Assy

CDE6514

5 Fuse(10A)

CEK1136

6 Case

CNB2350

7 Holder

CNC5704

8 Cushion

CNM5210

9 Insulator

CNM7083

10 Tuner Amp Unit

See Contrast table(2)

11 Screw

BPZ26P080FMC

12 Screw

BSZ26P080FMC

13 Screw

BSZ26P160FMC

14 Cord

CDE6450

15 FM/AM Tuner Unit

CWE1562

16 Holder

CNC8815

17 Pin Jack(CN301)

CKB1035

18 Terminal(CN403)

CKF1059

19 Plug(CN952)

CKM1270

20 Connector(CN751)

CKS3408

21 Connector(CN602)

CKS3568

22 Connector(CN601)

CKS3581

23 Antenna Jack(CN401)

CKX1056

24 Panel

CNB2341

25 Holder

CNC6845

26 Holder

CNC7996

27 Heat Sink

CNR1505

28 Detach Grille Assy

See Contrast table(2)

29 Screw

BPZ20P100FZK

30 Button(DETACH)

See Contrast table(2)

31 Button(1–6)

CAC6822

32 Button(A,B)

CAC6823

33 Button(EJECT, BSM)

CAC6824

34 Button(CROSS)

CAC6825

35 ,-)

CAC6834

36 Button(SOURCE)

CAC6851

37 Spring

CBH2210

38 Cover

See Contrast table(2)

39 Keyboard Unit

See Contrast table(2)

40 LCD(LCD1902)

See Contrast table(2)

41 Connector(CN1901)

CKS3580

42 Holder

CNC9091

43 •••••
44 Sheet

CNM7059

45 Rubber

CNV6480

46 Lighting Conductor

CNV6495

47 Lighting Conductor

CNV6496

48 Connector

CNV6497

49 Grille Unit

See Contrast table(2)

50 Chassis Unit

See Contrast table(2)

51 Holder Unit

CXB6681

52 Button

CAC4836

53 Spring

CBH1834

54 Spring

CBH1835

55 Spring

CBH2182

56 Bracket

CNC6135

57 Bracket

CNC6791

58 Arm

CNV4692

59 Arm

CNV4693

60 Arm

CNV4728

61 Panel Unit

See Contrast table(2)

62 Door

See Contrast table(2)

63 Spring

CBH1838

64 Screw

IMS20P030FZK

Cassette Mechanism Module

EXK4170

66 Screw

ISS26P055FUC

67 IC(IC301)

TA8277H

68 Transistor(Q951)

2SD2396

69 •••••
70 Terminal Cover

CKX-003

71 Sheet

See Contrast table(2)

(1) EXTERIOR SECTION PARTS LIST

Mark No. Description

Part No.

Mark No. Description

Part No.

www.DataSheet4U.com

Содержание KEH-P4010R

Страница 1: ...ST 2 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 9 4 PCB CONNECTION DIAGRAM 20 5 ELECTRICAL PARTS LIST 28 6 ADJUSTMENT 32 7 GENERAL INFORMATION 33 7 1 DIAGNOSIS 33 7 1 1 DISASSEMBLY 33 7 1 2 CONNECTOR FUNCTION DESCRIPTION34 7 2 PARTS 35 7 2 1 IC 35 7 2 2 DISPLAY 40 7 3 OPERATIONAL FLOW CHART 41 8 OPERATIONS AND SPECIFICATIONS 42 KEH P4010R X1M EW This service manual should be used together with the foll...

Страница 2: ...rly and safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician 2 EXPLODED VIEWS AND PARTS LIST ...

Страница 3: ... PACKING SECTION PARTS LIST NOTE Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjacent to mark on the product are used for disassembly Owner s Manual Installation Manual Model Part No Language KEH P4010R X1M EW CRD3286 English Spanish German KEH P4013R X1M EW CRD3287 French Italian Dutch KEH P4010RB X1M EW CRD3293 English Spanish German Frenc...

Страница 4: ...4 KEH P4010R P4010RB P4013R 2 2 EXTERIOR A B www DataSheet4U com ...

Страница 5: ...BSM CAC6824 34 Button CROSS CAC6825 35 Button CAC6834 36 Button SOURCE CAC6851 37 Spring CBH2210 38 Cover See Contrast table 2 39 Keyboard Unit See Contrast table 2 40 LCD LCD1902 See Contrast table 2 41 Connector CN1901 CKS3580 42 Holder CNC9091 43 44 Sheet CNM7059 45 Rubber CNV6480 46 Lighting Conductor CNV6495 47 Lighting Conductor CNV6496 48 Connector CNV6497 49 Grille Unit See Contrast table ...

Страница 6: ...9 38 Cover CNS6171 CNS6172 CNS6171 39 Keyboard Unit CWM7343 CWM7344 CWM7345 40 LCD LCD1902 CAW1634 CAW1634 CAW1618 49 Grille Unit CXB6711 CXB6333 CXB6712 50 Chassis Unit CXB6663 CXB6664 CXB6665 61 Panel Unit CXB6715 CXB6716 CXB6715 62 Door CAT2109 CAT2108 CAT2109 71 Sheet Not used Not used CNM7157 2 CONTRAST TABLE KEH P4010R X1M EW KEH P4013R X1M EW and KEH P4010RB X1M EW are constructed the same ...

Страница 7: ...7 KEH P4010R P4010RB P4013R 2 3 CASSETTE MECHANISM MODULE C D www DataSheet4U com ...

Страница 8: ...NV1560 30 Worm Wheel ENV1566 31 Lever ENV1551 32 Flywheel ENV1554 33 Gathering PCB ENX1068 34 Switch S1 S2 ESG1007 35 Deck Unit EWM1032 36 Plug CN251 CKS3540 37 Gathering PCB ENX1067 38 Motor Unit M1 EXA1491 39 Motor EXM1028 40 Head Assy HD1 EXA1592 41 Motor Unit M2 EXA1580 42 Screw BMZ20P022FMC 43 Bracket ENC1528 44 Chassis Unit EXA1615 45 Pinch Holder Unit EXA1608 46 Pinch Roller ENV1518 47 Pinc...

Страница 9: ...CN256 3 1 5 6 S1 LOAD S2 MODE EGN1 REEL SENSE M M M2 SUB MOTOR M1 MAIN MOTOR 5 2 1 D REEL SENSE PCB CN602 CN952 CN901 CN601 CN1901 VCK VDT VST ACC BACK UP FL FL RL RL TEL MUTE B REMOTE VCC LOUT RIMUTE LDSW STBY KEY MATRIX LCD IC 3 EEPROM ANTENNA JACK 1 2 FM AM TUNER UNIT 28 27 FM AM 1ST IF 10 7MHz T51 Q51 CF51 CF52 CF53 IC1 MIXER IF AMP DET 6 21 18 LDET COMP 22 25 10 14 12 15 16 8 13 2 3 4 CF202 V...

Страница 10: ... or capacitance values are expressed in codes Ex Resistors Code Practical value 123 12k ohms 103 10k ohms Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V TUNER AMP UNIT LOADSW The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiati...

Страница 11: ...OUTPUT L R 11 10 9 8 7 6 5 4 3 2 1 IP BUS INPUT SOURCE SELECTOR ELECTRONIC VOLUME MUTE POWER AMP 8 4V REGULATOR OFF MUTE 5V REGULATOR POWER SWITCH BACK UP SENSE ACC SENSE CELLULAR MUTE SYSTEM MUTE BACK LIGHT SWITCH IP BUS 0dB 1kHz 2 2dBs TAPE 4 6dBs TAPE 22 2dBs VER FM AM IP BUS TAPE 6 6dBs 2 9dBs 10 3dBs 3 8dBs www DataSheet4U com ...

Страница 12: ... 2 3 4 1 2 3 4 D C B A DSP 201M S00B X601 CSS1310 6 29MHz 0R0 162 162 272 272 123 123 FM AM TUNER UNIT ANTENNA JACK A TUNER AMP UNIT SYSTEM CONTROLLER FM 100 400Hz AM 30 400Hz 15 5dBs 26 0dBs A a A a A b 1 2 3 4 www DataSheet4U com ...

Страница 13: ... 100uF 10V LOADSW The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors SYST...

Страница 14: ...EAR OUTPUT L R SOURCE SELECTOR ELECTRONIC VOLUME MUTE POWER AMP 8 4V REGULATOR OFF MUTE 5V REGULATOR SYSTEM MUTE TAPE 4 6dBs TAPE 22 2dBs FM AM IP BUS TAPE 6 6dBs 2 9dBs 10 3dBs 3 8dBs A a A b A b 1 2 3 4 KEH P4010R P4010RB P4013R www DataSheet4U com ...

Страница 15: ... FL RL RL ACC GND B REM BACK UP 11 10 9 8 7 6 5 4 3 2 1 IP BUS INPUT 5V REGULATOR POWER SWITCH BACK UP SENSE ACC SENSE CELLULAR MUTE BACK LIGHT SWITCH IP BUS 0dB 1kHz 2 2dBs VER A b A a A b 4 5 6 7 KEH P4010R P4010RB P4013R www DataSheet4U com ...

Страница 16: ...16 KEH P4010R P4010RB P4013R 1 2 3 4 1 2 3 4 D C B A 4 97MHz LCD DRIVER KEY CONTROLLER EQ PTY B 3 3 KEYBOARD UNIT www DataSheet4U com ...

Страница 17: ...01 1802 14V 40mA A CN601 B KEYBOARD UNIT KEH P4010R X1M EW SML210PT CEL1651 CAW1634 151 D1811 1818 IL1801 1802 LCD1902 R1810 1813 1816 KEH P4013R X1M EW SML210DT CEL1638 CAW1634 181 KEH P4010RB X1M EW SML210VT CEL1662 CAW1618 181 EQ LOCAL BSM TA B www DataSheet4U com ...

Страница 18: ...N L NC RIN R GND FIN R Vref2 FIN L NFI L M OUT L EQOUT L Vref4 TAI L BIAS NC NC MSGV S MUTE 120 70 ser REP f R MSDET MSI MAOUT MSGV R MOUT R EQOUT R Vref3 TAI R RIP PBOUT R NC NC NC CN252 CN251 EQ AMP IC251 390P C252 390P C254 390P PBOUT L NC VCC MSOUT NC C403 R022 R402 R33 C402 15K R401 18K R271 C271 1 50 3 4 CASSETTE MECHANISM MODULE C C Decimal points for resistor and capacitor fixed values are...

Страница 19: ...1K R373 0R0 R355 270K C352 3900P R362 300 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT MAIN MOTOR EXA1491 S1 LOAD ESG1007 S2 ESG1007 MODE REEL SENSE EGN1 EGN1004 M2 MOTOR UNIT SUB MOTOR EXA1580 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RSB GND RS mtl MCS load CN255 CN253 CN256 CN254 MECHANISM DRIVER IC351 PA2020A R022 C D D w...

Страница 20: ...UNER AMP UNIT NOTE FOR PCB DIAGRAMS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic dia gram 2 Viewpoint of PCB diagrams A Capacitor Connector P C Board Chip Part SIDE A SIDE B www DataSheet4U com ...

Страница 21: ...C CN251 FM AM TUNER UNIT CORD FRONT REAR OUTPUT IP BUS INPUT 1 2 3 4 L R ANTENNA JACK 21 KEH P4010R P4010RB P4013R 5 6 7 8 5 6 7 8 D C B A A SIDE A www DataSheet4U com ...

Страница 22: ...22 KEH P4010R P4010RB P4013R 1 2 3 4 1 2 3 4 D C B A A TUNER AMP UNIT 1 2 3 4 5 6 3 2 1 6 5 4 3 2 1 6 5 4 A www DataSheet4U com ...

Страница 23: ...23 KEH P4010R P4010RB P4013R 5 6 7 8 5 6 7 8 D C B A A SIDE B www DataSheet4U com ...

Страница 24: ...24 KEH P4010R P4010RB P4013R 1 2 3 4 1 2 3 4 D C B A 4 2 KEYBOARD UNIT B KEYBOARD UNIT EQ VOL VOL SOURCE 1 2 3 4 5 6 LOCAL BSM EJECT AUDIO BAND B SIDE A PTY TA www DataSheet4U com ...

Страница 25: ...B KEYBOARD UNIT A CN601 25 KEH P4010R P4010RB P4013R 1 2 3 4 1 2 3 4 D C B A B SIDE B www DataSheet4U com ...

Страница 26: ... 3 4 1 2 3 4 D C B A CN251 CN271 IC Q IC251 Q351 Q352 ADJ VR302 VR301 IC351 CN252 CN254 CN253 CN255 M1 M2 HEAD ASSY CN256 21 22 4 4 CASSETTE MECHANISM MODULE DECK UNIT C CN602 DECK UNIT C A SIDE A SIDE B CN256 D C www DataSheet4U com ...

Страница 27: ...27 KEH P4010R P4010RB P4013R 1 2 3 4 1 2 3 4 D C B A 1 2 3 4 5 6 S1 LOAD S2 MODE CN256 EGN1 REEL SENSE REEL SENSE PCB D CN253 C D www DataSheet4U com ...

Страница 28: ...13 Diode S5688G D 314 Diode S5688G D 315 Diode S5688G D 316 Diode S5688G D 317 Diode S5688G D 318 Diode S5688G D 319 Diode S5688G D 320 Diode S5688G D 601 Diode HZS7L C2 D 602 Diode HZS7L A1 D 603 Diode 1SS270 D 605 Diode 1SS270 D 606 Diode 1SS270 D 607 Diode 1SS270 D 608 Diode S5688G D 609 Diode S5688G D 670 Diode 1SS270 D 671 Diode 1SS270 D 672 Diode 1SS270 D 674 Diode 1SS270 D 675 Diode 1SS270 ...

Страница 29: ...69 RS1 16S222J R 672 RS1 16S222J R 673 RS1 16S473J R 675 RS1 16S1R0J R 679 RD1 4PU222J R 685 RS1 16S0R0J R 690 RD1 4PU472J R 691 RS1 16S222J R 694 RD1 4PU222J R 701 RD1 4PU102J R 702 RD1 4PU102J R 703 RD1 4PU102J R 704 RD1 4PU681J R 706 RS1 16S225J R 708 RS1 16S102J R 710 RD1 4PU473J R 711 RD1 4PU681J R 712 RS1 16S224J R 713 RS1 16S224J R 714 RS1 16S224J R 715 RS1 16S223J R 716 RS1 16S223J R 717 R...

Страница 30: ... 16V CCH1179 C 954 CKSRYB103K50 C 956 CKSRYB103K50 C 957 CCSRCH101J50 C 958 330µF 10V CCH1181 Unit Number CWM7343 KEH P4010R X1M EW Unit Name Keyboard Unit MISCELLANEOUS IC 1901 IC PD6340A D 1811 LED SML210PT D 1812 LED SML210PT D 1813 LED SML210PT D 1814 LED SML210PT D 1815 LED SML210PT D 1816 LED SML210PT D 1817 LED SML210PT D 1818 LED SML210PT D 1850 LED NSSW440 9159 D 1851 LED NSSW440 9159 D 1...

Страница 31: ...902 LCD CAW1618 RESISTORS R 1809 RS1 16S131J R 1810 RS1 16S181J R 1811 RS1 16S181J R 1812 RS1 16S181J R 1813 RS1 16S181J R 1814 RS1 16S181J R 1815 RS1 16S181J R 1816 RS1 16S181J R 1817 RS1 16S181J R 1818 RS1 16S181J R 1823 RS1 16S471J R 1824 RS1 16S471J R 1825 RS1 16S471J R 1826 RS1 16S471J R 1850 RS1 16S151J R 1851 RS1 16S151J R 1852 RS1 16S151J R 1853 RS1 16S0R0J R 1901 RS1 10S222J R 1902 RS1 10...

Страница 32: ...Unit Number Unit Name REEL SENSE PCB S 1 Switch LOAD ESG1007 S 2 Switch MODE ESG1007 EGN 1 Photo reflector EGN1004 Miscellaneous Parts List M 1 Motor Unit MAIN EXA1491 M 2 Motor Unit SUB EXA1580 HD 1 Head Assy EXA1592 Circuit Symbol and No Part Name Part No D 6 ADJUSTMENT There is no information to be shown in this chapter www DataSheet4U com ...

Страница 33: ...emoving the Case not shown 1 Remove the two screws 2 Remove the Case Removing the Cassette Mechanism Module Fig 1 Remove the four screws and then remove the Cassette Mechanism Module Removing the Panel Assy Fig 1 Disconnect the two stoppers and then remove the Panel Assy Fig 1 Fig 2 Tuner Amp Unit Cassette Mechanism Module Panel Assy 7 GENERAL INFORMATION 7 1 DIAGNOSIS 7 1 1 DISASSEMBLY www DataSh...

Страница 34: ... BUS 2 GND 3 GND 4 NC 5 BUS 6 GND 7 BUS L INPUT 8 ASENB 9 BUS R INPUT 10 BUS R INPUT 11 BUS L INPUT ANTENNA JACK 11 10 9 8 7 6 5 4 3 2 1 12 1 B REMOTE 2 ACC 3 FR OUTPUT 4 FR OUTPUT 5 FL OUTPUT 6 FL OUTPUT 7 BACK UP 8 RL OUTPUT 9 RL OUTPUT 10 RR OUTPUT 11 RR OUTPUT 12 GND REAR OUTPUT www DataSheet4U com ...

Страница 35: ...SYSPW O C System power supply control output 28 TUNPCE2 O C EEPROM chip enable output 29 DALMON O C DFS alarm output 30 currq O Tuner voltage FIX output 31 STBY O C Cassette mechanism stand by output 32 CM O C Cassette mechanism capstan motor control output 33 VSS GND 34 SC1 O C Cassette mechanism sub motor control output 35 SC2 O C Cassette mechanism sub motor control output 36 NES I Cassette mec...

Страница 36: ...CC power sense input 66 bsens I Back up power sense input 67 VSS GND 68 VDD Power supply 69 X2 Crystal oscillator connection pin 70 X1 Crystal oscillator connection pin 71 IC GND 72 NC Not used 73 TESTIN I Test program mode input 74 AVDD Power supply terminal 75 AVREF0 A D converter reference voltage 75 SL I SD level input from tuner 77 MODEL I Model select input 78 NL1 I RDS noise level input 79 ...

Страница 37: ... RST Not used 20 KYDT O Key data output 21 MODA GND 22 X0 Crystal oscillator connection pin 23 X1 Crystal oscillator connection pin 24 VSS GND 25 26 KDT2 3 I Key data input 27 NC Not used 28 KST4 O Key strobe output 29 55 SEG39 13 O LCD segment output 56 VDD Power supply 57 64 SEG12 5 O LCD segment output TA8277H TAB GND2 STBY VCC2 RIP IN1 IN2 PRE GND IN4 IN3 AUX IN OUT3 OUT3 GND3 OUT3 VCC1 OUT4 M...

Страница 38: ...L 34 NC 35 RIN R 11 12 13 14 15 16 17 18 20 19 MUTE ON off MSOUT 120 70 ser REP for REV VCC MSDET MSI MAOUT MSGv R 36 37 4 5 GND FIN R M OUT R Vref3 38 6 Vref2 EQOUT R 39 7 FIN L TAI R 40 8 NFI L RIP 1 9 M OUT L PBOUT R 2 10 EQOUT L NC 3 Vref4 24 23 22 21 MSGv S NC NC NC LPF DET MUTE ON off MUTE ON off HA12229F www DataSheet4U com ...

Страница 39: ... VDD at 47kΩ 16 CE1 I chip enable 1 AF RF chip enable Active at High To be grounded at 47kΩ 17 NC Not used 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current request Active at Low To be grounded at 47kΩ 20 NC Not used 21 COMP O composite signal FM composite signal output r out 100Ω 22 VCC power supply Analog section power supply pin D C 8 4V 0 3V 23 LOCH I l...

Страница 40: ... SEG2 SEG1 SEG0 SEG19 SEG36 COM2B COM0A COM2C COM3B COM2D COM1B COM0B SEG39 SEG38 COM3A COM2A COM1A 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 21 1 47 46 45 44 43 42 41 39 38 50 49 48 40 COM2B COM0A COM2C COM3B COM2D COM1B COM0B COM3A COM2A COM1A COMMON SEGMENT 7 2 2 DISPLAY CAW1634 KEH P4010R X1M EW KEH P4013R X1M EW CAW1618 KEH P4010RB X1M EW...

Страница 41: ...rce keys operative Completes power on operation After that proceed to each source operation SYSPW H Pin 27 Starts communication with Grille microcomputer Source ON 300ms 300ms In case of the above signal the communication with Grille microcomputer may fail If the time interval is not 300msec the oscillator may be defective BSENS L ASENS L DSENS L www DataSheet4U com ...

Страница 42: ...ERATIONS AND SPECIFICATIONS 8 1 OPERATIONS Head Unit AUDIO button BAND button Detach button PTY button Buttons 1 6 SOURCE button TA button EQ button EJECT button LOCAL BSM button buttons Cassette door 5 2 3 buttons www DataSheet4U com ...

Страница 43: ... source is switched ON To retract the antenna switch the source OFF 2 Raise or lower the volume 3 Turn the source OFF Hold for 1 second Each press changes the Source Basic Operation of Tuner Manual and Seek Tuning You can select the tuning method by changing the length of time you press the 2 3 button Manual Tuning step by step 0 5 seconds or less Seek Tuning 0 5 seconds or more Note If you contin...

Страница 44: ...k Search or Fast Forward Reverse by pressing the 2 3 button for a different length of time Track Search 0 5 seconds or less Fast Forward Reverse Continue pressing Note Multi CD indicator lights when a Multi CD source is selected Play Time Indicator Disc Search Disc Number Indicator Track Number Indicator Disc Number Search for 6 Disc 12 Disc types You can select discs directly with the 1 to 6 butt...

Страница 45: ... body 27 Blue white 7 To Auto antenna relay control terminal max 300 mA 12 V DC 9 Connect leads of the same color to each other 21 Blue white To system control terminal of the power amp max 300 mA 12 V DC 26 Blue white 6 14 Red 4 To electric terminal controlled by ignition switch 12 V DC ON OFF 13 Red 5 Accessory or back up 17 Speaker leads White White black Gray Gray black Green Green black Viole...

Страница 46: ...pe Compact cassette tape C 30 C 90 Tape speed 4 76cm sec 0 14cm sec 0 05cm sec Fast forward rewinding time Approx 100 sec for C 60 Wow flutter 0 09 WRMS Frequency response 30 16 000 Hz 3 dB Stereo separation 45 dB Signal to noise ratio 61 dB IEC A network FM tuner Frequency range 87 5 108 MHz Usable sensitivity 9 dBf 0 8 µV 75 Ω mono S N 30 dB 50 dB quieting sensitivity 15 dBf 1 5 µV 75 Ω mono Sig...

Результаты поиска

Содержание KEH-P4010R

Отзывы:

Похожие инструкции для KEH-P4010R

Бренды по названию

Популярные бренды

Pioneer KEH-P4010R, Руководство по обслуживанию

Результаты поиска

Содержание KEH-P4010R

Отзывы:

Похожие инструкции для KEH-P4010R

Бренды по названию

Популярные бренды