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POWER AMPLIFIER

KAC-PS520/X520

SERVICE MANUAL

© 2002-3 PRINTED IN KOREA
B51-7934-00 (K) 3547

30

30

ON

OFF

INFRASONIC

FILTER

LPF

OFF

HPF

B.M.S.

+12dB

OFF

REMOTE

OPERATION

MONO(L ch)

STEREO

GND

LINE OUT

EXT.AMP.CONT.

LINE IN

L

R

L

R

LEFT

BRIDGED

SPEAKER

OUTPUT

RIGHT

POWER IN

P.CON

BATT.

GN

D

FU

SE

(30Ax2

)

Summary of Contents for KAC-PS520

Page 1: ... 2002 3 PRINTED IN KOREA B51 7934 00 K 3547 30 30 ON OFF INFRASONIC FILTER LPF OFF HPF B M S 12dB OFF REMOTE OPERATION MONO L ch STEREO GND LINE OUT EXT AMP CONT LINE IN L R L R LEFT BRIDGED SPEAKER OUTPUT RIGHT POWER IN P CON BATT GND FUSE 30Ax2 ...

Page 2: ...REF A D reference 19 ADIN 1 I Detects temperature H Unusual temperature detection 20 ADIN 2 I Detects temperature H Unusual temperature detection 21 ADIN 3 I Detects temperature H Unusual temperature detection 22 ADIN 4 I Detects temperature H Unusual temperature detection 23 24 BASS 12dB I Stabilizes BMS 12dB H BMS 12dB stabilization 25 BASS REMO I Being remote controlled from BMS head unit H rem...

Page 3: ...T SETTINGS OUTPUT SETTINGS RECEIVER SETTINGS ALIGNMENT POINTS ALIGN FOR FIG Connect a cassette receiver or other receiver 1 IDEL CURRENT Connect a DC voltmeter between emitter terminals of Q35 Q36 L R and J2 SP OUT L R VOLUME 0 VR1 L ch VR2 R ch X09 2 5mV a ...

Page 4: ...KAC PS520 X520 4 ADJUSTMENT L VR1 R VR2 J2 DC Voltmeter a 2 5mV DC Voltmeter a 2 5mV L Q35 Q36 R ...

Page 5: ...e of resistors and capacitors PC BOARD Component side view Foil side view CN1 CN2 CN3 S1 X08 4090 10 J74 1362 11 X08 4090 10 J74 1362 11 CN1 S1 CN2 CN3 VR1 VR2 VR3 LPF BMS SENS VR4 BRF X810D HPF X520 1 6 1 1 6 6 VR2 VR1 BMS SENS 1 6 VR3 LPF HPF X520 BRF X810D VR4 1 1 6 6 ...

Page 6: ...R5 W111 R199 W115 C88 R84 C74 C144 W280 R92 C62 C135 R74 R76 R72 R90 C72 R162 R100 C94 C102 C66 R88 C70 R78 R80 C68 R86 C76 C80 W332 R116 R138 C138 R134 R114 R108 R104 VR2 R102 R128 R126 C86 R136 R130 R120 R106 C82 R122 C84 R124 R132 R118 R110 R112 C64 R191 R96 R94 R264 R98 W102 C78 R82 R271 R133 R135 R137 R129 R111 R105 R109 R115 R113 R107 R141 R143 R139 W272 C99 R276 R117 R101 R119 R103 R127 R12...

Page 7: ...0 R275 12K R89 6 8K R93 6 8K R95 1 8K R101 C73 22P 13K R91 510 R103 12P C79 1K R87 100P C137 47u25 C69 4700P C67 100 R79 47K R81 330P C75 1u50 C65 2 4K R83 10u16 C71 150 R263 150 R97 330P C141 0 1 C18 0 1 C20 15P C12 10K R10 15P C10 10K R12 10u16 C16 10K R15 0 1 C17 0 1 C57 12K R55 150K R56 120K R57 6 8K R58 22K R52 0 22 C36 8 2K R46 47u25 C40 10u16 C38 9 1K R48 0 1 0 1 C34 0 1 C46 15K R44 910K R3...

Page 8: ...105 L5 L4 L1 L2 L3 1 2 3 4 5 6 7 8 NI IN1 I IN1 FBACK DTCONOUT CT RT GND C1 16 15 14 13 12 11 10 9 NI IN2 I IN2 REFOUT CON VCC C2 E2 E1 5 4 VCC OUT 1 2 3 NC SUB GND ADIN 2 NC 20 36 4 GREEN BLUE AB CURRENT AB VOLTAGE D CURRENT V DOWN D VOLTAGE NC 8 11 10 9 7 6 5 XIN 13 RED 12 RESET TEST 15 14 18 VSS XOUT 17 16 ADIN 1 VAREF 19 FAN NC 5V SW 3 2 1 TACT SW MUTE 2 MUTE 1 43 NC 44 41 42 STAND BY 38 NC VD...

Page 9: ...X09 5430 10 A 2 X08 4090 10 1 28 27 12 11 28 27 9 5 6 3 31 31 730 717 15 741 742 726 702 742 37 DC1 13x2 29x4 36 4 N N N N N C C Jx2 Hx2 J Jx2 N N N N N N C P B P Bx4 P Px2 M Rx2 M Px2 Px2 C Fx2 Fx2 Bx2 Px2 P P P P L B L P K Bx4 Fx2 Fx2 F1 2 Q Px2 Dx2 E E Dx2 Dx2 Dx2 Px2 J A G Px2 P P Q 1 2 3 A B EXPLODED VIEW ...

Page 10: ...1117 04 PROTECTION SHEET KE1M1 C29 30 CK73FB1H104K CHIP C 0 10UF K C31 32 CC73GCH1H101J CHIP C 100PF J H21 1141 04 PROTECTION SHEET KE1M1 C33 34 CK73FB1H104K CHIP C 0 10UF K C35 36 CK73FB1C224K CHIP C 0 22UF K H25 0336 04 PROTECTION BAG 170X250X0 03 KE1M1 C37 38 CE04DW1C100M ELECTRO 10UF 16WV C39 40 CE04DW1E470M ELECTRO 47UF 25WV H25 1179 04 PROTECTION BAG KE1M1 C41 CK73FB1H104K CHIP C 0 10UF K C4...

Page 11: ... 118 CK45FB1H152K CERAMIC 1500PF K R25 RK73FB2B471J CHIP R 470 J 1 8W C119 120 C90 2916 05 ELECTRO 680UF 63WV C121 126 CE04DW1E470M ELECTRO 47UF 25WV R26 RK73FB2B432J CHIP R 4 3K J 1 8W C127 129 CE04DW1C100M ELECTRO 10UF 16WV R27 RK73FB2B202J CHIP R 2 0K J 1 8W R28 RK73FB2B471J CHIP R 470 J 1 8W C130 CE04DW1H010M ELECTRO 1 0UF 50WV R29 RK73FB2B432J CHIP R 4 3K J 1 8W C131 CE04DW1E470M ELECTRO 47UF...

Page 12: ...14BB2E121J RD 120 J 1 4W R153 RD14BB2C102J RD 1 0K J 1 6W R232 RD14BB2C203J RD 20K J 1 6W R154 RD14BB2C103J RD 10K J 1 6W R233 234 RD14BB2C100J RD 10 J 1 6W R155 RD14BB2C562J RD 5 6K J 1 6W R235 RD14BB2C473J RD 47K J 1 6W R156 RD14BB2C153J RD 15K J 1 6W R236 RD14BB2C472J RD 4 7K J 1 6W R157 158 RD14BB2C103J RD 10K J 1 6W R237 RD14BB2C103J RD 10K J 1 6W R159 RD14BB2C203J RD 20K J 1 6W R238 RD14BB2C...

Page 13: ...DE SWITCH Q50 52 2SC2412K TRANSISTOR S4 S31 2630 05 SLIDE SWITCH Q53 2SC3940A R S TRANSISTOR D1 8 1SS133 DIODE Q60 2SA1534A R S TRANSISTOR D9 10 RD8 2JS B ZENER DIODE Q61 2SC945 A Q P TRANSISTOR D11 12 1SS133 DIODE Q62 63 2SC3940A R S TRANSISTOR D13 16 RD5 1JS B ZENER DIODE Q64 2SC945 A Q P TRANSISTOR D17 40 1SS133 DIODE Q65 2SA733 A Q P TRANSISTOR D43 RD5 1JS B ZENER DIODE Q66 69 2SC945 A Q P TRA...

Page 14: ...NG KONG LTD Unit 3712 3724 Level 37 Tower 1 Metroplaza 223 Hing Fong Road Kwai Fong N T Hong Kong KENWOOD ELECTRONICS GULF FZE P O Box 61318 Jebel Ali Dubai U A E KENWOOD ELECTRONICS THAILAND CO LTD 2019 New Pechburi Road Bangkapi Huaykwang Bangkok 10320 Thailand KENWOOD ELECTRONICS SINGAPORE PTE LTD 1 Genting Lane 07 00 Kenwood Building Singapore 349544 KENWOOD ELECTRONICS MALAYSIA SDN BHD 4 01 L...

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