Table of Contents
Related Manuals for Kenwood kac-PS520
Summary of Contents for Kenwood kac-PS520
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Page 1: Service Manual
POWER AMPLIFIER KAC-PS520/X520 SERVICE MANUAL © 2002-3 PRINTED IN KOREA B51-7934-00 (K) 3547 INFRASONIC B.M.S. FILTER OPERATION LINE IN LINE OUT EXT.AMP.CONT. STEREO MONO(L ch) REMOTE +12dB... -
Page 2: Microcomputer's Terminal Description
KAC-PS520/X520 MICROCOMPUTER'S TERMINAL DESCRIPTION (X09-) IC11 : u-COM PORT PORT NAME FUNCTION OPERATING CONDITION Controls small-amount current. "L" : SW 5V on. +5V SW O Controls fan rotation. "H" : Fan on. Detects class-D over-voltage. "L" : Over-voltage detection. D VOLTAGE V DOWN Detects momentary power down. - Page 3 KAC-PS520/X520 ADJUSTMENT (KAC-PS520/X520) INPUT OUTPUT RECEIVER ALIGNMENT ALIGN ITEM FIG. SETTINGS SETTINGS SETTINGS POINTS Connect a cassette receiver or other receiver. Connect a DC voltmeter between emitter VR1 (L ch) IDEL terminals of VOLUME : 0 VR2 (R ch) 2.5mV...
- Page 4 KAC-PS520/X520 ADJUSTMENT (L) VR1 (a)2.5mV DC Voltmeter (a)2.5mV (R) VR2 DC Voltmeter...
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Page 5: Component Side View
PC BOARD Component side view X08-4090-10 (J74-1362-11) BRF(X810D) SENS HPF(X520) Foil side view X08-4090-10 (J74-1362-11) BRF(X810D) SENS HPF(X520) Refer to the schematic diagram for the value of resistors and capacitors. -
Page 6: Pc Board(Foil Side View)
X09-5430-10 A/2 (J74-1351-11) PC BOARD(Foil side view) REF.NO. Q1 Q2 Q3 Q4 Q5 Q7 Q8 Q9 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 Q19 Q20 Q21 Q22 Q23 Q24 Q25 Q26 Q27 Q28 Q29 Q30 Q31 Q32 Q33 Q34 Q35 Q36 Q37 Q38 Q39 Q40 Q41 ADDRESS 3M 5M 3L 3K 5K 3L 6L 2M 5M 2L... - Page 7 PREAMPLIFIER UNIT AUDIO UNIT (X08-4090-10) (X09-5430-10) (A/2) 5 4 3 2 1 INPUT SENS SW5V R49 56K 15.4V -15.4V 15.4V (1/2) 8.2K R269 IC1(2/2) BASS C41 0.1 15.4V 10u16 BOOST 10u16 4.7K 10u16 0.22 R7 3.6K (1/2) R13 10K 3.3u50 47u25 -15.4V C7 22P...
- Page 8 R250 R254 100 Q50-52 R249 4.7K R271 R180 R268 SWITCHING 10 1/2W 10 1/2W 0.047 R183 R168 270 4.7K (X09- ) (B/2) KAC-PS520/X520 (E/K,M,J) R186 47K C103 C102 C101 5.0V 0.01 0.01 0.01 IC10 4.19MHz RESET 2.2K 2.2K 2.2K KAC-PS520/X520...
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Page 9: Exploded View
KAC-PS520/X520 EXPLODED VIEW (X09-) (B/2) F1,2 (X09-5430-10) (A/2) (X08-4090-10) KAC-PS520/X520 (E/K,M,J) Parts with exploded numbers larger than 700 are not supplied. -
Page 10: Parts List
50WV ITEM CARTON CASE (KAC-X520) C29 ,30 CK73FB1H104K CHIP C 0.10UF ✽ H54-2523-04 C31 ,32 CC73GCH1H101J CHIP C 100PF ITEM CARTON CASE (KAC-PS520) ✽ H54-2523-04 C33 ,34 CK73FB1H104K CHIP C 0.10UF ITEM CARTON CASE (KAC-PS520) C35 ,36 CK73FB1C224K CHIP C 0.22UF... - Page 11 CHIP R 200K 1/8W ✽ E29-1903-05 ✽ RK73FB2B133J W8 ,9 LEAD PLATE R67 ,68 CHIP R 1/8W : KAC-PS520 E : Europe K : North America M : Other Areas KM1J1 : KAC-X520 indicates safety critical components. J : Japan...
- Page 12 R187 RD14BB2C104J 100K 1/6W R267,268 RD14DB2H100J SMALL-RD 1/2W R188 RD14BB2C103J 1/6W R269,270 RK73GB2A102J CHIP R 1.0K 1/10W : KAC-PS520 E : Europe K : North America M : Other Areas KM1J1 : KAC-X520 indicates safety critical components. J : Japan...
- Page 13 TMP87C847U3JV4 MI-COM IC IC12 UPC494GS ANALOGUE IC Q1 ,2 2SC1845(F,E) TRANSISTOR Q3 -8 2SA992(F,E) TRANSISTOR Q9 ,10 2SA733(A)(Q,P) TRANSISTOR : KAC-PS520 E : Europe K : North America M : Other Areas KM1J1 : KAC-X520 indicates safety critical components. J : Japan...
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Page 14: Specifications
Sensitivity (Min) (Rated Output) ........5V Input Impedance............10KΩ Damping Factor.........More than 200 KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. KENWOOD CORPORATION 14-6, Dogenzaka 1-chome, Shibuya-ku, Tokyo, 150-8501 Japan KENWOOD SERVICE CORPORATION KENWOOD ELECTRONICS ITALIA S.p.A.