Kenwood KA 4000 Service Manual
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Extracted text from Kenwood KA 4000 Service Manual (Ocr-read)
Page 1
KENWOOD
Hl/Fl STEREO COMPONENTS
SERVICE MANUAL
SOLID STATE STEREO AMPLIFIER
Page 2
Re
MAIN CHASSIS SECTION 913? °°'°"v"°" I P" "°- I "one
PRINTED CIRCUITS MISCELLANEOUS
- PRE AMP BLOCK (1114134210 _ c... 1101-0117003
_ NF TONE BLOCK 1UA13443E1 - (ll-Isl: 1110011001
- 11.12 40112 BLOCK (UAISSDkZ) - m... Awozzim
_ 11111111 AMP BLOCK iuA1a491<11 _ Subvenei 1122-1104002
p _ Soloplate 114000350:
9m? Deeoriprion Port No. mans _ km. 505300223:
0. L. Pilot Lerno x 6 030 0
RESISTORS _ Cominutlon 342-00090:
R1, 2 Fixed Carbon Compusition zoom :1011. um - Neme Plato (TEST POINT) 0420117-04
33,4 Fixed Cerbon Companion 100m 210% 1/2111 _ Neme were (INSTRUCTION) 5424110204
R5 Fixed Carbon Comporition 10m 11011 112w . ui. AC Seem (Black) x 2 1245-0010110
Rs Fixed Carbon Composition 22011 110% l/zw - Traneinor Holder x 4 5020207415
R7 ~9 Fixed Carbon Composition iokn $1016 1/2w - 50 Connector Sockn 1505050105
R10 Fixed Carbon Compoeitlon 221m 110% l/2w - Conaem (4P) E0601M05
R11 ~ 13 Fixed carbon Conipodtlon 3.91m 1:11 112w _ snort Plug ED7-MM5
R19 ~ 20 Fixed Carbon Compoaition 3.3m $511 114w - Connector (8?) x 2 510100405
R27~ Fixed Cerbon Compodtlon 5.51m 151s 114w 1 us .Ieck 511002205
R35~42 Fixod Carbon Composition 7.51m 15% MW J Pin Jack (1?) 512020104
R4a~ 50 Fixed Cerbon Composition 12m m M 1 Pin .leok 121) x 2 33020505
R51 ~ 513 Fixed Carbon Composition 15m 1511 114w .1 Phi .leolr (4P) x 4 513040405
R50, so innllmd Cerbon Film 5010') 21091 1/2w _ Pin Plug . 51441101415
R51, 52 inolleted Carbon Film 10m 1511 114w _ sum Pin Plug x 5 514-0107-05
R53, 54 Fixed Carbon Composifion 22141 110% 114w - p. 1.. seem x e 515001005
R55, 55 ineuieted Carbon Film 32m 1511 um - To... 1.1mm speed 520000905
1167,68 leod Cerbon Oompoeltion 01mm 21011 112w - Log )1 2 522020005
R71, 72 lnauieted Cerbon Film 15011 1511 1/4w _ Log )1 5 522040405
R73, 74 lnauletad Cerbon Film 32011 $511 1/4w _ Shun pin it 2 530009205
R75 ~ 70 im- Wound 0.4711 110% 1w - Redieror Fol-0046433
1179,00 Fined Carbon Composition 4711 210% 2w _ Lamp Cow-r x s F07-oo11-04
R81, 32 Fixed Carbon Composition 41m 210% 112w - snieid Hate 0006904
R83 Fixed Carbon Composixion 5m tum 1/2w - snield Flete F10007004
R84, 35 Fixed Carbon Composition 11m 110% um _ cm Pooch Board F190033-03
R86, 31 Fixed Cerbon Composition 41011 $10911 1/2w _ Cm Paton Board Hwy-03
Res Fixed Carbon Compodtinn 4.7m 210% 112111 _ common emipwd c... 1401000913
R89 Fixod Carbon Composition 470:: 110% 112w - Polyelhrum Forrn Fixture 1110004000
R90 Resin claw Wirv Wound 1m 5% 4w - Polvatlwvm Form Fixlurl H10 004903
R01 Fixed Corbon Compoeition 4.71m 210% 112111 A buffer Fixture 100052-03
R92, 11:1 Fixed Carbon Composition 4711 11091 1/2w - polyetirrene Cover 1420 x 140 x 2901 1120001000
R04 Fixed Carbon Compoeition 470:) 11011 112w ._ onion... 5., 1125000704
R95 Fixed Carbon Compoeition 5609 21001. 112111 _ pmunon 3." 1125004005
R96, 91 Fixed Carbon Compusilian 181m $1011 1/2w W 149. x 4 102001004
R100 edCerbon Composition 15011 1101 um _ moo. Horn" 121012204
R101~104 Fixed Cerbon Composition 100m 210% 112111 _ Ampnoin 121019204
(mum-raps - Redietor Angll x 2 121041504
c1 2 My! 0 22; $2091 - 311 Jack Hold-1 x 2 ) s iii-04370.:
, 1 - ml Fitri 5 ior ' wel x 0435
ca, 4 Myler 0.002215 220% _ TMmiMmDMNF 121054504
cs. 0 Eleorroiytic Tubular 3.3pF lswv _ 5w x 4 1312-0013104
c7. 0 Mylar 11me 120% _ Knob (BASS4 TREBLE, oquT, INPUT, K211005404
9' MV' 047 32° MODE/TAPE MONITOR) 2:»
c " 3 V' -055 m - Knob (VOLUME) 380 K204106604
C13. 14 Mylar CoiapF 12011 _ Knob (BALANCE, W K200011414
C15, I6 Elemroiyeio Block 1 1200pF 60 wv _ Mum 5mm x 4 NW
C17, 10 Myler ' 0.22pF r2091 _ 0mm, Sum x a "mop,
1:19 Eloorrolyrio Block IOOOuF 251w , aw Nm mango, ".0201,
C20 Electrolytic Block 1000pF sowv _ Sum Nm 11144101304
(:21 Electrolytic Block 220014F aowv _ F." Hm WM" M51040"
022 oil impregnated paper 002pF no» _ inter Lock Wedier11
4 25 E'MW'Y mm "3": 25" - aleolr Pan Heed Screw 10) pa x 0F , K) x 1:1 Naomosls
5 0 mm "9" M 0* - Fen Head Screw 16> P3 x 8-F-ISO) x a NIDSOOGII
POTENTIOMETERS - Block P1111 Mad 53' (0 P: x s-F K) 0130130845
- Peni-inadSomri 03x10F1x2 N30301011
V113, vcggrfsggya}; 3 Gm R11400005 - Purl Heod Screw 163 P: x 12F-lso1x a Naozm 2-11
- Buck Pan Heed Screw (a P3 x 12-F - K) x 2 N303012-1s
TRANSlSTORS/DIODEITHERMISTORS _ 12. Had Scnlu :4 x 55150) x 2 1130400511
01 ~4 25cm: on, Am, - Pan Reed Scrlw 193 x CF-lsoi x 2 1132300411
D1 512N102 Run - Pen Hand ScrIw (1'4 x 05150) x 11 11324100611
1-111, 2 537.1000, 5 - aieckTruar Scugflix 6x 01 x6 N3430002:
- TIDFiM Screw i Max 0F) x 31 MEI-3006-
SW'TCHES - Tapping Screw (<19 TM3 x 10F) x s N51-301011
s1. 2 Romy sw F221 11 111405, THEBLE) 504202105 - leing 5011le T114 x B-F) x a N514006-1I
$3 Rotary sw 114' 11 '6 (SELECTOR) 504401005 » Tapping Sorow1© TM4 x 10F) x 4 1-4010
54 Rotery 31111 F: - 4 7 (MODE/TAPE MONITOR) 914202205 - Tinned wire 1080, 0.415 m) 001-03014
so ~ 9 Lever 5w (4 Gang) IMUTING, LOUDNESS, 90500205 - Tinned Wire 11.20, 0.3 m) 001-1 20100
High FILTER 01:11:, BALANCE, Low - 11. V. Cr inmletino Wire (Rod. 00p, 0.: m) 010522000
FlLTER 0011:) - P. v. C. ineuletlng w1ro (Veilow, clap, 0:1 in) 0100441410
- P. V. Cr lnruiorino Wm 1min, 0.80, 0.7 m) 010899!
Page 12
Wen-woun-
PARTS DESCRIPTION LIST
Symbol N01 Description Part No. Remarks
RESISTORS
R905, 906 Insulated Carbon Film 150kS7. 110% 1/4W
R907 Fixed Carbon Composition 11m 110% 1/2W
R909, 910 Insulated Carbon Film 560m 110% 1/4W
R911, 912 Insulated Carbon Film 100KB 110% 1/4W
R915, 916 Insulated Carbon Film 5.6km 110% 1/4W
R917, 918 Insulated Carbon Film 3351 15% 1/4W
R919, 920 Insulated Carbon Film 1km 110% 1/4W
R925, 926 Fixed Carbon Composition ' 3.3kn 110% NM
R927, 928 Insulated Carbon Film 5.6km 15% 1/4W
R929, 930 Insulated Carbon Film 150kn 110% 1/4W
R931, 932 Fixed Carbon Composition 15m 110% 1/2W
R933, 934 Fixed Carbon Composition 151(1) 110% NM
R935, 936 Fixed Carbon Composition 2.7km 110% 1/2W
R937~940 Fixed Carbon Composition 1009. 110% 1/2W
R941, 942 Fixed Carbon Composition 1.2km 110% 1/2W
R943, 944 Fixed Carbon Composition 10km 110% 1/2W
R945, 946 Fixed Carbon Composition 3309 110% 1/2W
R947, 948 Fixed Carbon Composition 22m 110% 1/2W
R949, 950 Fixed Carbon Composition 3309 110% NM
R951, 952 Fixed Carbon Composition 2.2km 110% NM
CAPACITORS
0907, 908 Electrolytic Tubular 1pF 50WV
0909 Electrolytic Tubular 47oF 35WV
0911, 912 Ceramic ISOpF 110%
0913, 914 Electrolytic Tubular 220pF 6.3WV
C915~918 Electrolytic Tubular 100111: 315WV
C919. 920 Electrolytic Tubular 4.7141: 16WV
C921, 922 Electrolytic Tubular qu 50WV
0923, 924 Electrolytic Tubular 47pF 35WV
0925, 926 Ceramic IOOpF 110%
0927, 928 Electrolytic Tubular 220p F 3.15WV
0929, 930 Electrolytic Tubular 10oF 50WV
POTENTIOMETERS
VR901.902 5kfl (B) RIO-70
V R903, 904 30kn (51 R1076
VR905, 906 Ska (B) R10-70
TRANSISTORS/DIODES
0903, 904 280458LG (Ci or (D)
0905, 906 28045SBC
0907, 908 280281 (B) or (C)
0909, 910 250627
0911.912 ZSA537A
0913, 914 ZSC7OBA
D901, 902 1N60
0903. 904 FFI IS
MISCELLANEOUS
- Printed Circuit Board 523188
- Vinyl Tube 10¢ 10.2m) W07-014
- P. V, C. Insulated Wire (Redi 10,3m) W32-52
w Tinned Wire 08¢ (005m) W0308
©1970-3 PRINTED IN JAPAN 10)