background image

©

 

2011-5 PRINTED IN JAPAN

This product uses Lead Free solder.

This product complies with the 

RoHS

 directive for the European market.

B53-4098-00 

KA016<Rev.001>

POWERED SUBWOOFER

KA016<Rev.001>

2011

5

SERVICE MANUAL

SW-21HT

COPYRIGHT © 2011 Kenwood Corporation of Japan, Limited

Accessories

Front view

Rear view

Top view

VOLUME KNOB
(K29-8821-08) 

POWER KNOB
(K29-8820-08)

REAR COVER
(A80-4655-08)

AUTO POWER SAVE SWITCH 
(S62-0131-08)

AC PLUG
(E35-4160-08)

RCA JACK
(E63-1463-08)

SUBWOOFER
(T19-0527-08)

(E)TYPE

(X)TYPE

AC CORD (x 1)
(E30-7421-08)

AC CORD (x 1)
(E30-7437-08)

RCA CABLE (x 1)
(E30-7438-08)

SERVICE MANUAL

Summary of Contents for SW-21HT

Page 1: ...11 5 SERVICE MANUAL SW 21HT COPYRIGHT 2011 Kenwood Corporation of Japan Limited Accessories Front view Rear view Top view VOLUME KNOB K29 8821 08 POWER KNOB K29 8820 08 REAR COVER A80 4655 08 AUTO POWER SAVE SWITCH S62 0131 08 AC PLUG E35 4160 08 RCA JACK E63 1463 08 SUBWOOFER T19 0527 08 E TYPE X TYPE AC CORD x 1 E30 7421 08 AC CORD x 1 E30 7437 08 RCA CABLE x 1 E30 7438 08 SERVICE MANUAL ...

Page 2: ...the manufacturer s in structions have been adhered to 6 Power Sources This product should be operated only from the type of power source indicated on the product If you are not sure of the type of power supply to your home consult your product dealer or local power company Información acerca de la eliminación de equipos eléctricos electrónicos y baterías al final de la vida útil aplicable a los pa...

Page 3: ...shock or other hazards 15 Safety Check Upon completion of any service or repairs to this product ask the service technician to perform safety checks to determine that the product is in proper operating condition 16 Heat Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not place a flaming object such as a candl...

Page 4: ...4 SW 21HT Block Diagram LED1 LED2 SW2 CN3 CN802 CN807 U803 U802 U804 Q805 Q820 CN801 CN2 CN803 CN805 JK801 U801 CON1 CON3 VR801 CN904 SW3 SW1 CON2 CON4 CN803 CN806 CN1 CN902 U901 T901 CN903 CN901 ...

Page 5: ... R834 R816 TP18 TP19 EC810 TP16 R817 C806 R835 C805 TP15 R890 R804 EC807 R812 R818 R836 C829 R891 SW2 CN3 LED2 LED1 TP13 TP10 TP12 TP11 RCA Jack board SIDE A RCA Jack board SIDE B LED Switch board SIDE A LED Switch board SIDE B Speaker linker board SIDE A Speaker linker board SIDE B ...

Page 6: ...CE901 CY901 R905 C902 CY902 HS901 CY903 T901 CY904 L904 CE907 CE906 CE905 LF903 CN902 Q904 L903 F902 CE904 D906 R918 CE903 Q902 U904 U902 HS902 JP901 CE902 CX902 LF901 CX901 RT901 CN901 F901 L901 Q901 D901 L902 D905 C907 R916 R917 D903 SMPS SIDE A ...

Page 7: ...13 Q903 R933 R920 C908 C912 R931 R930 C911 R923 R924 C910 R925 R926 R921 R922 D907 R919 R928 R927 C909 R929 R906 R908 R907 D904 R915 C903 R909 R911 D902 R910 R912 C906 U901 R914 C905 C904 R913 R901 R902 R904 R903 SMPS SIDE B ...

Page 8: ...R814 C813 R813 C807 C808 C828 MC801 C827 C822 R835 C805 R834 R23 R870 C3 R878 R807 R812 R871 R8 C4 LED3 R28 R873 R11 C810 C811 R25 R820 R821 R9 C1 R10 R822 R162 R5 R6 R4 R2 R24 R161 CON2 Q806 Q811 R862 R844 R861 R863 R858 Q101 R859 C873 R856 Q808 R857 D8 D3 R840 R842 C850 L803 Q809 L801 L802 C823 C825 R825 C826 C824 R824 L804 L805 R801 R1 CN802 R15 C2 R18 C809 CN807 C806 R22 R879 R818 R817 R19 R20...

Page 9: ...SW 21HT 9 TP7 TP9 TP6 TP8 TP5 TP4 TP2 TP1 TP3 AMP SIDE B Volume Power switch board SIDE B ...

Page 10: ...X903 JP902 JP903 CY901 CY902 R913 R903 R904 R901 R902 CX902 LF901 CX901 RT901 CN901 N L F901 D904 C904 U902 B R914 C905 R912 R916 R917 R909 R911 D902 Q901 R910 U901 L901 R906 R907 GND GND R915 C902 R905 D901 L902 C GND C906 CE902 D903 R908 ECO 3 3VDC PGND 25VDC CN902 CHGND SMPS ...

Page 11: ...e 902 CY904 C903 GND AGND R918 C907 D905 R920 D906 C908 F902 L904 FR107 CE906 CE907 R931 C912 CE904 CE903 C911 3 3VDC R930 D903 GND CY903 T901 R908 R928 R927 R929 C909 U904 AGND R926 R923 R924 Q902 R925 AGND C910 R922 R921 D907 R919 AGND Q904 R934 R933 ECO R932 L903 Q903 CE905 LF903 C913 PGND 25VDC U902 A ...

Page 12: ...UG_MUTE R828 MUTE R809 C802 R803 R802 Q807 Z803 C803 Z804 C804 R810 EC805 R811 C807 EC804 C808 C822 C R815 R886 C814 C817 R813 R814 C811 C810 R820 C812 C813 R821 T2 T1 STANDBY ON 3 3V L806 CN806 T7 T6 EC803 FB803 C826 R824 T20 C823 R NC1 NC2 NC3 NC4 R877 R29 R808 R22 CON1 R836 T9 R850 R801 25V T15 CN805 T13 T14 R880 R876 EC801 Q820 12V_AMP Z801 C801 STANDBY ON WAKEUP MUTE DETECT R16 3 3V R17 R10 R...

Page 13: ... R807 VREF 12V_AMP D805 C872 EC814 R855 D8 D3 R856 C873 Q809 R860 R844 Q810 R859 R858 R857 R862 R863 Q812 T12 T3 R861 EC815 T10 CN804 T11 Q811 C850 EC830 R842 R870 R834 VREF R878 C4 EC808 FB802 U804 A FB805 R8 VREF EC806 R818 STANDBY ON R6 R5 R3 R20 3 3V 12V_AMP EC101 R163 Q801 R161 C806 C2 R18 R11 3 3V 12V_AMP Q101 B Q804 R7 R2 Q808 R4 Q806 Q101 A CN802 R1 T16T17 T19 WAKEUP R23 T18 CON2 3 3V R24 ...

Page 14: ... NC VREF EC1 1U R805 5K6 R834 18K C829 683 C806 102 5 6 C809 224 To Amp CON2 To AC SOCKET To SMPS CN901 Parts are safety assurance parts When replacing those parts make sure to use the specified one TP1 1 2 3 VR801 50K 6 5 4 1 2 3 CON4 TP4 SW1 APS SW TP7 TP9 TP6 TP8 1 2 1 2 CN904 CN2P 3 96 CN903 W2P 7 92MM SW3 SW2PIT 1 2 3 4 RCA Jack board Volume Power switch board ...

Page 15: ...2 3 4 TP17 TP16 TP18 EC809 100UF 16V R818 10K EC806 100UF 16V R817 10K VREF To Amp CN801 To Speaker 1 2 1 2 CN1 CN2P 3 96 CN2 W2P 3 96MM To Amp CON1 CON2 TP1 TP2 TP3 CON3 1 2 3 5 4 2 3 TP5 To Amp CON802 1 2 3 4 CN3 W4P 2 0MM TP10 TP1 TP12 TP13 1 2 SW2 LED2 BLUE LED1 GREEN Speaker linker board LED Switch board ...

Page 16: ... e c d a b d g g h f e B E F G D f h G F E TYPE X TYPE 710 15 15 15 2 714 708 708 15 15 709 3 28 28 27 15 26 15 16 11 700 711 1 13 6 15 704 705 702 708 700 15 706 715 23 713 717 10 9 716 712 701 5 8 707 707 703 14 15 3 101 101 100 Parts with the exploded numbers lager than 700 are not supplied ...

Page 17: ...B 10 J19 6597 08 POWER KNOB BKT 11 K29 8821 08 VOLUME KNOB 13 F09 3503 08 FAN 12V 0 09A 14 A80 4655 08 REAR COVER 15 N09 5729 08 SCREW 3x8mm x20 16 N09 5728 08 SCREW 4 5x10mm x4 23 E35 4160 08 AC PLUG 26 N09 5732 08 SCREW 3x12mm x2 27 N09 5730 08 SCREW 3 5x8mm x2 28 N09 5731 08 SCREW 3x20mm x4 100 E30 7438 08 RCA CABLE 3000mm 101 E30 7421 08 AC CORD 1 5m E TYPE 101 E30 7437 08 AC CORD 2 5A 1 5m X ...

Page 18: ...K C CAPACITOR 1uF 16V x11 R1 RK73GB2A102J RESISTOR 1kΩ 1 16W x11 R2 RK73GB2A562J RESISTOR 5 6kΩ 1 16W x5 R3 RK73GB2A223J RESISTOR 22kΩ 1 10W x10 R4 RK73GB2A103J RESISTOR 10kΩ 1 16W x10 R5 RK73GB2A513J RESISTOR 51kΩ 1 16W x6 R6 RK73GB2A103J RESISTOR 10kΩ 1 16W x10 R7 RK73GB2A103J RESISTOR 10kΩ 1 16W x10 R8 R92 4974 08 RESISTOR 100Ω x2 R9 RK73GB2A102J RESISTOR 1kΩ 1 16W x11 R10 R92 4974 08 RESISTOR ...

Page 19: ... Q904 2SC8050 TRANSISTOR D901 FR107DO41 DIODE 1A 1000V x3 D902 LL4148 1 DIODE D903 FR107DO41 DIODE 1A 1000V x3 D904 MM3Z6V2 Z DIODE D905 MBR20200FCT DIODE 20A 200V D906 FR107DO41 DIODE 1A 1000V x3 D907 ZMM30 Z DIODE 30V C901 C91 1865 08 C CAPACITOR 0 01uF 1kV C902 C90 6101 08 M M CAPACITOR 0 0047uF 630V C903 C91 1866 08 C CAPACITOR 100pF 1000V C904 CK73FB1H103K C CAPACITOR 0 01uF 50V C905 CC73FCH1...

Page 20: ...GB2A562J RESISTOR 5 6kΩ 1 16W R812 RK73GB2A104J RESISTOR 100kΩ 1 16W R816 R92 4974 08 RESISTOR 100Ω R817 RK73GB2A103J RESISTOR 10kΩ 1 16W x2 R818 RK73GB2A103J RESISTOR 10kΩ 1 16W x2 R834 RK73GB2A183J RESISTOR 18kΩ 1 16W R835 RK73GB2A392J RESISTOR 3 9kΩ 1 10W R890 RK73GB2A223J RESISTOR 22kΩ 1 10W VR801 R32 0182 08 VARIABLE RESISTOR EC1 CK73GB1E105K C CAPACITOR 1uF 16V x2 EC806 C90 6095 08 E CAPACIT...

Page 21: ... MEMO ...

Page 22: ...ers 160 mm cone type Impedance 3 Ω Frequency response 36 Hz 160 Hz General Power Consumption 25 W Power consumption in standby mode 0 5 W or less Dimensions Width 173 mm Height 321 mm Depth 334 mm Net Weight 5 1 kg Notes Design and specifications are subject to change without notice The system may be unable to manifest the full perfor mance in an extremely cold place under the water freez ing temp...

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