Kenwood KAC-5203 Service Manual
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Also See for KAC-5203:
- Instruction manual (33 pages) ,
- Instruction manual (13 pages) ,
- Instruction manual (25 pages)
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POWER AMPLIFIER
KAC-5203
SERVICE MANUAL
Panel
(A64-4134-02)
Fuse (25A)
Screw washer
(F52-0014-05)
(N09-4215-08)
Rear panel
(A84-0463-02)
© 2007-1 PRINTED IN JAPAN
B53-0495-00 ( N ) 955
Connecting cord assy
(E30-6145-05)
Screw set
(N99-1587-05)
Accessory
(W01-1607-05)
This product uses Lead Free solder.
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Table of Contents
Related Manuals for Kenwood KAC-5203
Summary of Contents for Kenwood KAC-5203
- Page 1 POWER AMPLIFIER KAC-5203 SERVICE MANUAL © 2007-1 PRINTED IN JAPAN B53-0495-00 ( N ) 955 Panel (A64-4134-02) Connecting cord assy (E30-6145-05) Screw set (N99-1587-05) Accessory (W01-1607-05) Fuse (25A) Screw washer Rear panel (F52-0014-05) (N09-4215-08) (A84-0463-02) This product uses Lead Free solder.
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Page 2: Block Diagram
KAC-5203 BLOCK DIAGRAM IC1,2 VR1 Q615,616 ISOLATION Q217,219 LINE IN AMPLIFIER POWER SPEAKER OUT AMPLIFIER INPUT SENSE 80Hz 12dB/OCT MUTE (+6dB) IC1,2 VR1 ISOLATION Q218,220 LINE IN AMPLIFIER POWER SPEAKER OUT AMPLIFIER INPUT SENSE Q610-614 SPEAKER SHOCK NOISE MUTE Q606-609,617-621 D8,9 DC DETECT &... -
Page 3: Components Description
KAC-5203 COMPONENTS DESCRIPTION AUDIO UNIT (X09-8612-70) Ref. No. Application / Function Operation / Condition / Compatibility IC1,2 Input Isolation AMP Pin 1-3: LPF, Pin 5-7: Inverter DC-DC Comparator Attenuator Driver Q3-6 FET Driver Q7,8 For DC-DC Comparator Q201~204 Difference AMP 1st Stage... -
Page 4: Pc Board (Foil Side View)
KAC-5203 PC BOARD (FOIL SIDE VIEW) AUDIO UNIT X09-8612-70 (J76-0349-11) Q211 R219 Q217 R233 R223 R646 Q213 Q617 D614 R213 R211 Q205 R215 C215 C211 R217 D201 W127 W126 R207 R205 C205 R209 C219 Q201 Q203 Q204 Q202 C220 W154... - Page 5 KAC-5203 C154 C131 R131 Q211 R156 R154 C152 R153 R219 C217 R225 R155 C151 Q219 X09-8612-70 R223 R235 Ref. No. Address Ref. No. Address C153 R647 Q215 Q618 Q217 Q218 C104 Q219 Q220 C106 R106 R102 R110 Q601 R211 Q602...
- Page 6 KAC-5203 AUDIO UNIT (X09-8612-70) R131 C131 +15V 1000P C107 INPUT ISOLATION D101 TP103 C103 0.01 R101 10u50 R105 (1/2) R111 R117 (1/2) TP111 3.9K 3.9K 4.7K R109 TP105 R113 R119 R123 22K TP107 3.9K 3.9K VR1 10K C113 47P INPUT ISOLATION...
- Page 7 KAC-5203 Q7,8 Q3-6 for DC-DC DC-DC COMPARATOR COMPARATOR DRIVER TP23 TP25 R1 1K 10 : 5 IN1+ IN2+ TP17 TP21 TP15 R2 10K IN1- IN2- TP18 FBACK OUTCTRL C3 1000P 2200u16 R3 22K 10u50 TP19 TP22 TP16 TP20 TP24 TP606 TP26 14.4V...
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Page 8: Exploded View
KAC-5203 EXPLODED VIEW φ2.6x13 N09-6365-05 N80-3010-43 N89-3008-48 φ3x10 N09-6447-05 N09-4215-08 (Insulated sheet is contained in transistor) (X09) (X09) (X09) (X09-8612-70) Parts with the exploded numbers larger than 700 are not supplied. -
Page 9: Parts List
KAC-5203 PARTS LIST New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. Desti- Desti- Ref. No. Parts No. Description Ref. No. - Page 10 KAC-5203 PARTS LIST AUDIO UNIT (X09-8612-70) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R131 RK73GB2A110J CHIP R J 1/10W R636 RK73GB2A332J CHIP R 3.3K J 1/10W R149 RK73EB2E102J CHIP R 1.0K J 1/4W...
- Page 11 KAC-5203 PARTS LIST AUDIO UNIT (X09-8612-70) Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation D2-4 1SS133 DIODE FCH10A20 DIODE FRH10A20 DIODE D8,9 UDZS15B ZENER DIODE D101 LM1MA142WK-G DIODE D102 LM1MA142WA-G DIODE D103,104 UDZS6.8B ZENER DIODE...
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Page 12: Specifications
Dimensions (W x H x D) ........230 x 55 x 198 mm (9-1/16 x 2-3/16 x 7-13/16 inch) Weight ..................1.7kg (3.75lbs) KENWOOD follows a policy of continuous advancements in development. For this reason specifications may be changed without notice. INSTALLATION Self-tapping screw (ø4 x 16 mm)