Kenwood KDC-W237AY Service Manual Download Page 24

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KDC-W237AY/W237GY/W3037AY/W3037GY/

W311AY/W311GY/W3537AY/W3537GY/W4037Y

R219

R220

R223

R221

R222

R226

R228

R227

R229

R230

C24

C44

C49

C52

C61

C53

C62

C64

C91

C21

C25

C35

C40

C41

R23

R48

R49

R50

C39

C50

C51

C20

C22

C23

C33

C34

R20

R21

R22

R25

R26

R27

R28

R45

C100

R61

R60

C103

CD PLAYER UNIT X32-5970-00 (J76-0366-02)

Refer to the schematic diagram for the values of resistors and capacitors.

PC BOARD (COMPONENT SIDE VIEW)

Summary of Contents for KDC-W237AY

Page 1: ... A64 4057 12 AUTO AME DISP KDC W237 AM SCAN RDM REP F SEL FM SCRL VOL ATT AUD SET UP MENU B BOOST KDC W3037 AM SCAN RDM REP F SEL FM SCRL DISP PTY VOL ATT AUD SET UP TI AME MENU B BOOST KDC W311 AM SCAN RDM REP F SEL FM SCRL DISP PTY VOL ATT AUD SET UP TI AME MENU B BOOST KDC W3537 AM SCAN RDM REP F SEL M RDM FM SCRL DISP PTY VOL ATT AUD SET UP TI AME MENU B BOOST KDC W4037 AM SCAN RDM REP F SEL M...

Page 2: ... ACC DET Q101 SURGE Q103 BU DET Q102 SW14V Q1 Q2 DC CN A8V SERVO B D5 BU5 SW5 DET BU DC CN etc BU5 PAN5V WIRED REMOTE RESET IC IC8 ILLUMI B CN RESET ENCODER ROTARY REMOTE ILLUMI KEY MATRIX KEY VFD IC1 SW5 IC6 IC2 J1 B ILLUMI ILLUMI B AM B S1 ED1 CN4 J5 MUTE Q705 J4 J2 A1 SERVO B A8V Q302 BU5 1 2W Rx5 Q301 BU5 BU5 Q901 903 DME1 BU5 SW5 CD SERVO SW5 IC CN3 to GND S3 J1 SW5 AM B A8V TUNER FRONT END A...

Page 3: ...R83 R ch L ch L ch R ch ZDET MUTE L R D GND D GND BU1 5V SW1 5V SW3 3V AGND BU5V P ON E F A C B TR COIL FO COIL APC IC4 16 934MHz CLOCK IC3 3 3V REG IC7 LOADING MOTOR DRIVER MOTOR SPINDLE S2 S4 S1 S3 0 01 SLED MOTOR DM1 DM2 X1 Q1 RF AMP SERVO MP3 DECODER WMA DECODER 1M bit SRAM PROCESSOR AAC DECODER LEVEL SHIFT Q11 SHIFT LEVEL Q12 LEVEL SHIFT SHIFT LEVEL Q10 CR FILTER CR FILTER REVERSAL CIRCUIT Q1...

Page 4: ...ing BU is applied Q104 105 Mute Control ON when the base goes Hi Q301 Panel 5V SW ON when the base goes Lo Q302 DSI ILLUMI SW ON when the base goes Hi Q401 IC9 Control SW Switches to AUX when the base goes Hi and switches to LX BUS CD CH when the base goes Lo Q402 Quick Charge Voltage SW Charges voltage quickly when the base goes Hi Q701 702 Pre out Mute SW When a base of the 4 transistors goes Hi...

Page 5: ...prevention D3 4 Static Electricity Countermeasure Prevents malfunction by static electricity SYSTEM µ COM IC1 on X34 ELECTRIC UNIT Pin No Pin Name I O Application TruthValue Processing Operation Description Table 1 LX DATA M I O Data to slave unit Pull down GND 2 LX CLK I O LX BUS clock 125k 65kHz 3 5 NC Not used Output Lo fixed 6 REMO I Remote control signal input Detects pulse width 7 NC Not use...

Page 6: ...Communication request from mechanism DSP H Data request 40 CD SRAMSTB O 1M bit SRAM standby H SRAM standby 41 EPM I Flash EPM input Connects to VSS 42 CD LOE LIM SW I CD detection Chucking SW H Loading completed L No disc 43 PON CD O CD mechanism power supply control H Power ON 44 CD LOEJ I O CD motor control q Refer to the truth value table 45 CD MOTOR I O CD motor control q Refer to the truth va...

Page 7: ... power down H Since then L 77 PWIC STBY O Power IC standby control Power ON H Power OFF L 78 PWIC MUTE O Power IC mute STANDBY source Momentary power down L TEL mute L 79 ACC DET I ACC power supply detection ACC found L No ACC H BU found L No BU Momentary power down H 80 BU DET I Detection of momentary power down Operates after less than 4ms after momentary power down is detected 81 82 NC O Not us...

Page 8: ...6V 0V KDC W3037AY W3037GY W311AY W311GY W4037Y 3 6V 1 2V KDC W3537AY W3537GY 3 6V 2 4V KDC W237AY W237GY r Power supply IC IC4 control SEL1 Pin 10 PS1 2 PS1 3 PS2 1 ILLUMI P CON P ANT L L L OFF OFF OFF L L H ON OFF OFF H L H ON ON OFF H H H ON ON ON SEL2 Pin 11 PS1 1 PS2 2 AUDIO SW5 AM L L OFF OFF H L ON OFF H H ON ON Pin No Pin Name I O Application TruthValue Processing Operation Description Tabl...

Page 9: ...est mode change the LINE MUTE inhibition time from 10 seconds to 1 second When operating in the test mode even if a DC offset error occurs detection information is not written in the E2PROM When operating in the test mode CD mechanism error log information clear mode and DC offset error detection information clear mode do not perform DEMO mode operations Also do not display DEMO ON OFF option item...

Page 10: ... Cleared only for displayed media 5 Disc EJECT times display E J C X X X X X Disc EJECT times display MAX 65535 times 5 While disc EJECT times is displayed press and hold for 2 seconds or longer to clear disc EJECT times 6 Panel open close P C X X X X X PANEL open close times display MAX 65535 times 6 times display Press the key for more than 2 seconds while the PANEL open close count is displayed...

Page 11: ...there is no error information E 2 X X J E R R Ejection error switch 2 display XX Number of errors is displayed in case there is no error E 3 X X J E R R Ejection error switch 3 XX Number of errors is displayed in case there is no error E 4 X X J E R R Ejection error switch 4 XX Number of errors is displayed in case there is no error CD time C O S E N T L CD time code error count data Missing count...

Page 12: ...orced switching F 8 1 A M 1 9 AUTO F 8 1 W M 1 9 Forced WIDE F 8 1 M M 1 9 Forced MIDDLE F 8 1 N M 1 9 Forced NARROW RDS auto measurement Add the process to replace the visual inspection of PS display previously done in the production line Status Display Description PS data reception R E S T D S T If displayed as shown at the left force to OFF P CON is recovered by Power OFF ON FST adjustment mode...

Page 13: ...peration FCT checking Used media For CD KTD 02A Audio related test mode Procedure Note Press the AUD key main unit Enter audio adjustment mode the initial item should be Fader and then Balance Press the AUD and keys Remote control Bass Level Middle Level Treble Level SW Level System Q V Offset LPF Sub Woofer means KDC W4037Y only About audio adjustment items include both Audio Function Mode and Au...

Page 14: ...on only the odd terminals Turn on only the even terminals Clearing CD mechanism information Service information DC offset error information Clearing E2PROM data Status Display Description While pressing and holding B BOOST C D O At normal termination key and ATT key reset start C D X At abnormal termination While is displayed power can be ON for 30 minutes This mode is cancelled by resetting The l...

Page 15: ... leak clears the number of capacitor leaks Clear E2PROM This mode is cancelled by resetting The last screen will not be retained Security KDC W3537AY W3537GY W4037GY only Forced Power ON mode Procedure Note While pressing and holding B BOOST key and While is displayed power can be turned ON for only 30 minutes 4 key reset start After 30 minutes can only be recovered by resetting How to register th...

Page 16: ...cessing R R T O M W Mother unit X34 Front end A1 Data transfer processing In the above ROM READ R E A D Front end A1 Mother unit X34 ROM data is being transferred status key for R O K E A D Front end A1 Mother unit X34 2 seconds or longer ROM correction transfer security and other data is OK R O K 2 E A D Front end A1 Mother unit X34 Transfer of security and other data is OK R N G E A D Front end ...

Page 17: ... new front end A1 is supplied as a service part in which data was inserted Data to be copied ROM correction data Other data Security data DEMO MODE ON OFF status POWER ON time For maintenance Playback time For maintenance EJECT count For maintenance Panel open close count For maintenance CD I2C status For maintenance CD offset error code For maintenance CD sound skips count For maintenance CD time...

Page 18: ...ND A1 E2PROM SYSTEM µ COM IC1 Mother unit X34 r Press key Exit ROM data transfer mode Turn power off Remove front end A1 Install new front end A1 No ROM correction or other data status FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mother unit X34 t FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mother unit X34 y System µ COM IC1 copies data on the mother unit X34 into E2PROM in the front end A1 WRT OK ...

Page 19: ...hold the 1 and 3 keys press reset button Enter the system in the test mode Press B BOOST key ROM data System enters data trans fer mode Press or Select WRT Press key for 1 second or longer Data transfer FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mother unit X34 e System µ COM IC1 copies the ROM correction data on the mother unit X34 into E2PROM in the front end A1 WRT OK1 W O1 FRONT END A1 E2PROM...

Page 20: ... No ROM correction or other data status Turn power on Press and hold the 1 and 3 keys press reset button Enter the system in the test mode Press B BOOST key Enter the system in ROM data transfer mode Press or Select WRT Press key for 1 second or longer Data transfer Press key Exit ROM data transfer mode FRONT END A1 E2PROM E2PROM SYSTEM µ COM IC1 Mother unit X34 y System µ COM IC1 copies data on t...

Page 21: ...2 C21 R21 R22 C11 C12 C15 R3 R4 W1 W2 C25 C24 CP11 R1 R2 R11 R13 R14 R15 R16 R17 R18 R19 R23 R70 R75 R78 W3 CP1 1 20 21 40 41 60 61 80 1 2 19 20 J1 D71 D72 D73 D74 D75 D76 D77 D79 Q1 Q2 IC1 SWITCH UNIT X16 386x xx J76 0360 02 J2 R J2 L KI4 KI1 KI2 KI5 KI3 LED B ILL D GND PAN SW5V KS1 KS4 GUARD FL SW11 25V PAN5V CW CCW KS2 GUARD AUX L AUX G AUX R FL B TDF DET SW5 CE RST ESD GND VFD DATAS VFD CLK VF...

Page 22: ...Q101 Q102 Q103 Q104 Q105 Q801 D102 D104 Q3 Q7 Q9 Q901 Q902 Q903 D301 IC1 IC8 IC2 IC3 W14 W100 W304 W102 W54 W802 W18 C7 W55 R109 W30 W20 W301 W52 C2 C5 C6 C15 C401 W803 C809 C805 C807 W804 W36 W48 W47 W26 W27 W28 W45 R101 1 16 8 9 R102 R106 W21 R116 R219 W305 R208 W6 W46 C301 C302 W66 C801 C802 C803 C804 C901 C902 C1 W42 W43 L1 C808 R1 W15 R2 R11 W5 R3 R15 R103 R107 R112 R209 R210 W51 W309 W308 R ...

Page 23: ...99 3 C513 W67 W71 R703 R704 R709 R710 W75 W70 W69 W90 C308 W66 C603 C701 C702 C705 C706 C802 W95 W101 C403 R209 R323 R329 R333 R334 R336 R337 R338 R339 R341 R343 R344 R345 R346 W74 R508 R601 R602 R603 R605 R606 R607 R608 R609 R610 R611 R612 R705 R706 R711 R712 W89 X3 W73 W68 W78 W79 W77 W96 W94 W93 W92 W91 W88 W81 W80 W84 R404 W82 W87 W86 W83 W76 W701 W72 3 D306 D603 A1 J4 J2 P1 D303 J5 D602 D601 ...

Page 24: ...R228 R227 R229 R230 C24 C44 C49 C52 C61 C53 C62 C64 C91 C21 C25 C35 C40 C41 R23 R48 R49 R50 C39 C50 C51 C20 C22 C23 C33 C34 R20 R21 R22 R25 R26 R27 R28 R45 C100 R61 R60 C103 S1 S2 S3 S4 D4 CD PLAYER UNIT X32 5970 00 J76 0366 02 Refer to the schematic diagram for the values of resistors and capacitors PC BOARD COMPONENT SIDE VIEW ...

Page 25: ...0 26 GS D D SG S DG D G S S G D D S G 24 1 16 15 1 30 1 3 5 4 1 3 5 4 1 3 5 4 I O G B E E B SPDL SPDL DM1 5V Vref E F ARF PD A B IOP SLED OUT LOAD PIO0 DGND IOP RFI AGCI FE SBAD RFRP IO0 IO1 DMO 12EJE SW D3 3V LOS SW 8EJE SW LOE SW MUTE L R LD RF A3 3V FMO FOO TRO D1 5V DGND AGND Rch A GND Lch AD3 3V SPDL SPDL BUCK SO SI CCE BU5V DGND PON MOTOR SGND S7 5V LO EJ SLD SLD SD TD FD MD A8V GND DRVMUTE ...

Page 26: ...u35 330 R701 R705 C701 10u35 0 R958 R791 0 W701 0 R792 0 R793 330 R702 FL FR RR RL 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 RFGND ANTINPUT NC AM B OSCGND VT COM B IFC SDA SCL D GND VDD5V PLLGND SMETER AMIFOUT QUALITY RDSOUT D GND2 RDSMUTE STDGND R L IF B IFGND 0 01 C502 0 01 C504 0 01 C506 0 01 C508 4 7K R502 4 7K R504 470 R501 470 R503 SDA SCL 66 84 83 65 C510 0 47 C509 0 47...

Page 27: ...E OUTLF OUTLR OUTRR OUTRF OUTSW GND 1 2 3 4 5 6 7 8 9 10 SE3L SE3R SE2L SE2R SE1L SE1R DIFFL DIFFG DIFFR CREF 47u16 C401 1u50 C403 0 R971 FL RL RR FR L R GND RL FL RR FR 470 R403 SDA R L GND L 71 73 70 72 1 100 75 2 CH R CH G CH L 15K R903 330K R902 330K R901 100u16 C901 C902 R915 100u16 100K R905 100K R906 100K 22K R904 1 3 5 7 9 11 13 15 17 19 21 23 25 27 TAB1 PWGND1 STBY VCC1 PWGND2 SVR IN2 IN4...

Page 28: ...ACC DET PWIC MUTE PWIC STBY PWIC SVR LX REQ S RDS CLK LX REQ M LX MUTE LX CON LX RST ANALOG CON MUTE PON EXT GND TUN IFC OUT RDS AFS M VSS NC VCC2 RDS QUAL RDS DATA DSI NC ROTARY CW ROTARY CCW CD DISC12 SW CD MUTE NC NC NC VFD SYS DATA VFD PAN DATA VFD CLK VFD BLK CD SDA CD SI CD SCL CD SO NC BUCK CD LOS SW PIO0 CD MSTOP SRAMSTB EPM CD LOE LIM SW PON CD CD LOEJ CD MOTOR VFD CE LCD CE CD DRIVEMUTE ...

Page 29: ...ES YES YES YES E TDA7419 KKZ09Z YES YES 22K 47K 47K YES 22K 2 2K YES YES KDC MP3036AX X34 4630 22 M8 YES YES YES YES YES YES YES YES YES YES E TDA7419 KKZ09Z YES YES 47K 47K YES 22K 2 2K YES YES YES YES M3 M4 KDC MP336AX AXS X34 4630 23 YES YES YES YES YES YES YES YES YES YES E TDA7419 KKZ09Z YES YES 47K 47K 22K YES 22K 2 2K YES YES YES YES KDC MP436AX X34 4630 22 M2 YES YES YES YES YES YES YES YE...

Page 30: ... FL B FL B 100 R11 220 R13 220 R14 220 R15 220 R16 220 R17 100 R19 1K R18 2 2 C10 28 27 32 30 29 31 34 33 36 35 40 38 37 39 41 43 42 58 47 45 44 46 50 48 49 52 51 53 54 55 57 56 61 59 60 63 62 64 TP165 R80 47 R82 47 1 2W 1 2W 65 66 12 14 13 5 10 11 9 7 8 6 4 2 3 1 S8 S7 S9 S10 S13 S11 S12 S14 S15 S6 S5 S29 S41 S50 S51 S52 S49 S47 S48 S45 S46 S44 G3 S43 G1 S42 G3 S39 S38 S37 S36 S35 S33 S31 S32 S30...

Page 31: ...YES YES B30 1767 05 820 560 YES YES E11 0650 05 YES YES YES YES B30 1767 05 YES 820 YES 560 YES YES E11 0650 05 YES YES YES YES B30 1767 05 YES 820 YES 560 YES YES B30 1566 05 YES B30 1566 05 YES 680 YES YES 470 YES E11 0649 05 YES B30 1566 05 B30 1565 05 YES B30 1566 05 YES 680 YES 470 E11 0649 05 YES B30 1565 05 B30 1565 05 YES B30 1565 05 YES 680 YES 470 YES E11 0649 05 YES B30 1565 05 B30 1565...

Page 32: ...ND Rch 30 29 VCC TDIN BIAS FDIN 1 2 SD TD 14 17 28 27 26 25 24 23 SLIN SLIN SLIN LO EJ 22 20 19 18 CNT GND VCC2 21 SLD SLD TR SPIN SPIN SPIN 3 4 5 GND 6 7 8 11 MUTE GND VCC1 9 10 SPD SPD FD 12 13 16 TR FD 15 4 A 8V Lch R245 0 AD3 3V FD C88 2200P OUT NIS 3 R220 4 7K C87 2200P R223 10K 45 C97 0 1 DGN 10K R216 PIO0 AOUT2 AOUT3 PIO2 48 50 49 PIO1 47 46 IRQ 24 25 4 7K R239 C100 1 34 TEST BUCK BUS3 BUS2...

Page 33: ...R RO XVSS3 XVDD3 XO XI IO0 IO1 FGIN C54 1 C53 0 1 16 934MHz X1 C52 0 1 10 11 12 13 14 15 16 17 2 VSSP3 VDDP3 VDD1 1 VCOI DMO VREF FMO 6 AVDD3 8 FOO TRO 9 TEZI 7 4 FEI TEI 5 RFRP SBAD 3 92 TESTR VRO RFEQO RFRPI VMDIR RESIN 82 83 84 85 86 AGCI RFO RVDD3 LDO MDI 89 87 88 90 91 C35 0 015 TPI FNI1 RVSS3 FNI2 FPI2 FPI1 93 94 95 96 97 AVSS3 TNPC TNI RFZI 1 98 99 100 FOO TRO R38 22K C31 0 01 RF C44 0 1 R2...

Page 34: ...163 04 N39 2020 48 N09 6108 15 N09 6155 15 φ2x8 M1 6x6 0 M1 7x2 5 M2x2 φ2x5 BLK 1 6 WASHER M2x2 φ2x3 5 φ2x6 858 K K 52 F X32 DM1 14 24 DFPC1 28 25 16 29 19 31 26 13 12 10 30 27 42 11 17 18 23 45 38 DM2 1 850 849 806 834 807 44 39 40 15 22 G 55 51 8 33 809 36 33 Jx2 H 5 37 53 2 37 43 43 56 37 F F 37 43 43 E Cx2 41 32 35 Ax2 DPU1 B Parts with the exploded numbers larger than 700 are not supplied ...

Page 35: ...1 A B C D E F G H J N24 3015 48 N80 2006 48 N80 2008 43 N83 3005 48 N86 2610 48 N80 3010 48 N83 3005 48 N83 3020 48 N86 2606 48 RC1 242 269 209 223x2 D Dx2 Hx2 Ex2 C C Cx2 A F H G 772 D D D B B F J X34 786 732 701 PA1 261 259 257 256 213 210 241 255 708 253 238 252 251 705 771 254 226 725 206 204 237 222 236 221 224 Batteries for RC1 207 DC1 268 Depends on the models Refer to the parts list ...

Page 36: ...ON CASE E7 H54 3943 03 ITEM CARTON CASE E8 241 3C J19 7158 01 HOLDER 242 1C J21 9716 03 MOUNTING HARDWARE ASSY 251 3C K24 4653 04 PUSH KNOB SRC 252 3C K24 4652 04 PUSH KNOB EJECT 253 3C K24 4654 04 PUSH KNOB RELEASE 254 3C K25 1860 03 PUSH KNOB MENU ATT 255 3C K25 1859 02 PUSH KNOB PRESET 256 3C K28 0201 03 KNOB ASSY VOL 257 3C K28 0190 03 KEY TOP VOL E 257 3C K28 0191 03 KEY TOP VOL E1E2E3 257 3C...

Page 37: ...39 40 CK73GB1H104K CHIP C 0 10UF K C41 CK73GB1A105K CHIP C 1 0UF K C44 CK73GB1H104K CHIP C 0 10UF K C45 46 CK73GB1H222K CHIP C 2200PF K C47 48 CK73GB1H333K CHIP C 0 033UF K C49 50 CK73GB1H104K CHIP C 0 10UF K C51 CK73GB1H222K CHIP C 2200PF K C52 53 CK73GB1H104K CHIP C 0 10UF K C54 CK73GB1A105K CHIP C 1 0UF K C58 CK73EB1E105K CHIP C 1 0UF K C60 CK73EB0J226K CHIP C 22UF K C61 64 CK73GB1H104K CHIP C ...

Page 38: ...203 CC73GCH1H220J CHIP C 22PF J C204 CK73GB1H104K CHIP C 0 10UF K C205 CK73GB1H102K CHIP C 1000PF K C301 302 CD04AB1HR47M ELECTRO 0 47UF 50WV C306 307 CK73FB1E474K CHIP C 0 47UF K C308 CD04AB0J470M ELECTRO 47UF 6 3WV C309 CK73GB1H103K CHIP C 0 010UF K C401 CD04AB1C470M ELECTRO 47UF 16WV C403 CD04AB1H010M ELECTRO 1 0UF 50WV C404 CK73GB1H103K CHIP C 0 010UF K EE1E2 C405 CK73GB1H104K CHIP C 0 10UF K ...

Page 39: ... EE3E4 R226 RK73GB2A473J CHIP R 47K J 1 10W E5E6 R226 227 RK73GB2A223J CHIP R 22K J 1 10W E1E2 R227 RK73GB2A223J CHIP R 22K J 1 10W EE3E4 R227 RK73GB2A223J CHIP R 22K J 1 10W E5E6E7 R227 RK73GB2A223J CHIP R 22K J 1 10W E8 R228 RK73GB2A473J CHIP R 47K J 1 10W R229 RK73GB2A104J CHIP R 100K J 1 10W EE1E2 R301 RK73GB2A222J CHIP R 2 2K J 1 10W R302 RD14BB2C101J RD 100 J 1 6W R303 RK73GB2A102J CHIP R 1 ...

Page 40: ...E4E5E6 R968 RK73GB2A000J CHIP R 0 0 J 1 10W E7E8 R968 971 RK73GB2A000J CHIP R 0 0 J 1 10W E R971 RK73GB2A000J CHIP R 0 0 J 1 10W E1E2E3 R971 RK73GB2A000J CHIP R 0 0 J 1 10W E4E5E6 R971 RK73GB2A000J CHIP R 0 0 J 1 10W E7E8 R972 RK73EB2E000J CHIP R 0 0 J 1 4W EE1E2 R973 RK73GB2A000J CHIP R 0 0 J 1 10W D1 S2V60 A DIODE D2 MTZJ8 2 B ZENER DIODE D3 D1F60 5063 DIODE D4 1SS133 DIODE D7 MTZJ12 B ZENER DIO...

Page 41: ... 3B D13 2171 04 GEAR 32 1B D13 2400 13 RACK GEAR 33 2A D14 0759 04 ROLLER 35 2B D21 2382 04 SHAFT 36 1A D23 0954 04 RETAINER 37 1B D39 0246 05 DAMPER 38 2B G01 3072 04 EXTENSION SPRING 39 2A G01 3073 04 TORSION COIL SPRING 40 2A G01 3074 04 EXTENSION SPRING 41 1B G01 4615 04 EXTENSION SPRING 42 2A G01 3076 04 EXTENSION SPRING 43 1B G01 3077 14 EXTENSION SPRING 44 2B G02 1399 04 FLAT SPRING 45 2B G...

Page 42: ...er Below Measurable Limit Frequency response 1dB 10Hz 20kHz Total harmonic distortion 1kHz 0 01 Signal to Noise ratio 1kHz 105dB Dynamic range 93dB MP3 decode Compliant with MPEG 1 2 Audio Layer 3 WMA decode Compliant with Windows Media Audio Audio section Maximum output power KDC W237AY W237GY 45W x 4 Others 50W x 4 Output Power DIN 45324 B 14 4V KDC W237AY W237GY 28W x 4 Others 30W x 4 Speaker I...

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