Related Manuals for Kenwood KA-7002
Summary of Contents for Kenwood KA-7002
- Page 1 www.hifiengine.com...
- Page 2 KENWOOD HI/FI STEREO COMPONENTS KA-7002 SOLID STATE STEREO AMPLIFIER www.hifiengine.com...
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Page 3: Main Chassis
PARTS DESCRIPTION LIST R emar k Symbol No. Description Part No. (YOS-0059-00) MAIN CHASSIS SECTION LOW LEVEL XOS-OOtt-02 X08-00t5-tt TONE X09-0004-t3 HIGH FILTER Xt2-0035-00 LOW FILTER Xt2-0036-00 MAIN X07-0027-00 PROTECTION Xt3-tOtO-tt CAPACITOR Ct3t, 132 Mylar 33QpF ±5% C092MtH33tJ Ct33 Mylar O.OOt�tF ±5% C092MtHt02J... - Page 4 PARTS DESCRIPTION LIST R emarks Part No. Symbol No. Description 5.6kn ±5% 1/4W PD14BY2E562J R130, 131 Insulated Carbon Film PD14BY2E332J R132,133 Insulated Carbon Film 3.3kfl ±5% 1/4W 1/4W PO 14BY2E223K R134 Insulated Carbon Film 22kn ±10% Insulated Carbon Film 56kn ±10% 1/4W PD14BY2E563K...
- Page 5 PARTS DESCRIPTION LIST R emarks Part No. Description Symbol No. 540-2012-05 POWER (Pushbutton) 529-2002-05 TURNOVER (Lever) 2-4-3 529-1 054-05 TURNOVER (Lever) 1-2-3 541-6001-05 MUTING (Six Pushbutton) 541-6001-05 (Six Pushbutton) LOUDNESS 541-6001-05 STEREO MODE (Six Pushbutton) 541-6001-05 40Hz LOW FIL (Six Pushbutton) 541-6001-05 BOHzLOW FIL (Six Pushbutton)
- Page 6 PARTS DESCRIPTION LIST Remarks Part No. Symbol No. Description E 10-2201-05 Connector Socket (22P) — E11-0042-15 Phone Jack (Headphone) E 11-0043-05 Phone Jack (MIC) E 13-01 04-05 1P Pin Jack E 13-0802-05 8P Pin Jack E 13-1002-05 10P Pin Jack E14-0107-05 —...
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Page 7: External View
EXTERNAL VIEW 1-6001-05 K23-0059-04 K23-0058-04 E I I -0042- I 5 808-6006-04 J02-0049- 14 808-6006-04 A23-0 I 98-02 E30-0046-05 E I 3-0802-05 E I 3- I 002-05 E20- I 20 I -03 E08-0205-05 531-2007-05 E I 3-0802-05 53 I -2004-05 N08-0002-04 840-0458-04 www.hifiengine.com... -
Page 8: Bottom Chassis
VIEW BOTTOM CHASSIS & C307 P RE AMP C306 POWER LEVEL AMP TRANS. C305 HIGH FIL. LOW FIL. MAIN AMP VOLUME/BALANCE TONE AMP (VR1, SWITCH ASS'Y NULL (S17) www.hifiengine.com... -
Page 9: Alignment Procedure
ALIGNMENT PROCEDURE DIFFERENTIAL AMPLIFICATION STAGE Replacing the differential stage transistors (Oq • � should replace both the same characteristic transis tors. (8n, 80 Connect the dummy load watts) to the output terminal. Check the voltage across the dummy by using the tester or DC VTVM. - Page 10 www.hifiengine.com...
- Page 11 (XOS-0011-02) SECTION HEAD AMP (KA-7002) SCHEMATIC DIAGRAM BOTTOM VIEW OF TRANSISTOR � > + � _ 10 -C\1 (.)1'- � 2SC458LG(B) � � CsiO L-- --- --.2 ��- ...J SEALED CIRCUIT ASSEMBLIES-PHANTOM VIEWS Qal,2 2SC4581.G(8) www.hifiengine.com...
- Page 12 (XOS-0011-02) SECTION HEAD AMP PARTS DESCRIPTION LIST Symbol No. Description Remarks Part No. CAPACITOR Electro lytic Cs1, 2 220,uF 3.15WV CE04WOF221 Cs3, 4 Ceramic 560pF ±:20% CK94YY2H561MZ Cs5, Electrolytic 100,uF 3.15WV CE04WOF101 Cs9, 10 Tantal um 0.47,uF 25WV C90-0078-05 Cs11 Electrolytic 47,uF 25WV...
- Page 13 www.hifiengine.com...
- Page 14 PRE AMP (XOB-0015·11) SECTION PARTS DESCRIPTION LIST Description Part No. Remarks Symbol No. CAPACITOR Cd1,2 Sol id Aluminum 3.31J.F CA04EOJ3R3XT s.:mv Cd3,4 Ceramic 1QpF ±10% CC94SL 1H 100K Cd5,6 Ceramic 560pF ±20% CK94YV1H561M 4 7 1L F CE04WOF470 Cd7,8 Electro lytic 6.3WV Cd9,10 Ceramic...
- Page 15 TONE (X09-0004-13) SECTION (KA-7002) SCHEMATIC DIAGRAM BOTTOM VIEW OF TRANSISTOR 2SC871 L-------------_J SEALED CIRCUIT ASSEMBLIES-PHANTOM VIEWS 871( E)or (F). Qtl-4 2 SC www.hifiengine.com...
- Page 16 www.hifiengine.com...
- Page 17 HIGH FIL.(X12-003S-OO) SECTION (KA-7002) SCHEMATIC DIAGRAM r---- BOTTOM VIEW OF TRANSISTOR 2SC458LG (C) SEALED CIRCUIT ASSEMBLIES-PHANTOM VIEWS © Qp4 2SC458LG "'-' www.hifiengine.com...
- Page 18 HIGH FIL.(X12·0035 -00) SECTION PARTS DESCRIPTION LIST Symbol No. Description Part No. Remarks CAPACITOR Cp1,2 Electrolytic 50WV CE04W1H010 11-LF Cp3-6 Tantalum 11-LF 25WV C90-0079-05 Cp7,8 Mylar 0.00121-LF ±10% CQ93M 1 H 122K Cp9,10 Mylar 0.00471-LF ±10% CQ93M 1 H472K Cp11,12 Ceramic 560pF ±20%...
- Page 19 LOW FIL.(X12-00 36-00) SECTION (KA-7002) SCHEMATIC DIAGRAM BOTTOM VIEW OF TRANSISTOR 2SC871 SEALED CIRCUIT ASSEMBLIES-PHANTOM VIEWS Ov1,2 2sca7r www.hifiengine.com...
- Page 20 LOW FIL.(X12-0036-00) SECTION PARTS DESCRIPTION LIST Remarks Symbol Descritpion Part CAPACITOR Cv1-8 Mylar 0.1�LF ±10% CQ93M1H104K Cv9, 10 25WV C90-0079-05 Tantalum 1�LF sowv Cv11, 12 Electrolytic 1�LF CE04W1H010 Cv13-16 CQ93M1H104K Mylar 0.1�LF ±10% Cv17, 18 560pF ±20% CK94YY1H561M Ceramic Cv19 Electrolytic 47�LF 50WV...
- Page 21 (X07-0027-00) SECTION MAIN AMP (KA-7002) SCHEMATIC DIAGRAM 17.181 BOITOM VIEW OF TRANSISTOR 2SA572WL4 2SC627 2SC680BL 2SA566 CASE COLLECTOR L-- --- --3 SEALED CIRCUIT ASSEMBLIES-PHANTOM VIEWS (1 ) Oql -4 2SA572WL4, Oq5- 8 2SC627 , Oq9, 10 2SC680BL, Qq11, 12 2SA566, Dq9ZB1-14...
- Page 22 (X07-0027-00) SECTION MAIN AMP PARTS DESCRIPTION LIST Remarks Symbol No. Description Part No. CAPACITOR Cq1,2 11-1F 25WV CE04W1E010 Electrolytic CC94SL 1H221K Cq3,4 Ceramic 220pF ±10% 10!-IF 25WV CE04W1E100 Cq5,6 Electrolytic Cq7�10 47pF ±10% CC94SL1H470K Ceramic Cq11,12 10pF ±o.5pF CC94SL1H100D Ceramic CE04W1H470 Cq13, 14 47!-IF...
- Page 23 (X13·1010- 11) SECTION PR OTECTION AMP (KA-7002) SCHEMATIC DIAGRAM r---- 'RY54. 7K -VR iiK18>------- -- + 5 2V BOTTOM VIEW OF TRANSISTOR 2SC627(1) 2SC497R 2SA497R Qyl, 2 :2SC 497 R : 2S A 497 R Qy3,4,5 : 2 S C6 2 7(1)
- Page 24 SECTION PR OTECTION AMP (X13·1010- 11) PARTS DESCRIPTION LIST Part No. Remarks Symbol No. Description CAPACITOR Electrolytic 10!'F 5C'JoNV CE04W1H100 RESISTOR PD14BY2E102J Ry1-4 Insulated Carbon Film ±5% 1/4W 4.7kn ±5% 1/4W PD14BY2E472J Ry5, 6 Insulated Carbon Film Ry7, 8 Insulated Carbon Film 5.6k0 ±5% 1/4W...