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POWER AMPLIFIER
KAC-959
SERVICE MANUAL
L
1
1
2
0.5
2
0.5
3
3
150Hz
150Hz
0.3
0.3
4
R
80Hz
OFF
80Hz
OFF
4
(MIN)5
0.2(MAX)
(MIN)5
0.2(MAX)
A.CH INPUT
B.CH INPUT
SENSITIVITY(V)
SENSITIVITY(V)
A
A
B
A
B
INPUT SELECTOR
© 2001-3 PRINTED IN KOREA
B51-7761-00 (K) 3579
1
100
150
2
0.5
80
170
3
70
5/4/3 CHANNEL
0.3
A
B
4
SUB
POWER AMPLIFIER
50
200
(MIN)5
0.2(MAX)
SUB.CH INPUT
SUB.CH LPF
SENSITIVITY(V)
FREQUENCY(Hz)
SUB
INPUT
SELECTOR
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Related Manuals for Kenwood KAC-959
Summary of Contents for Kenwood KAC-959
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Page 1: Service Manual
POWER AMPLIFIER KAC-959 SERVICE MANUAL © 2001-3 PRINTED IN KOREA B51-7761-00 (K) 3579 5/4/3 CHANNEL 150Hz 150Hz 80Hz 80Hz POWER AMPLIFIER (MIN)5 0.2(MAX) (MIN)5 0.2(MAX) (MIN)5 0.2(MAX) A.CH INPUT B.CH INPUT SUB.CH INPUT SUB.CH LPF SENSITIVITY(V) SENSITIVITY(V) SENSITIVITY(V) FREQUENCY(Hz) INPUT... - Page 2 KAC-959 ADJUSTMENT TUNER ALIGNMENT INPUT (RECEIVER) ITEM OUTPUT SETTINGS ALIGN FOR FIG. POINTS SETTINGS SETTINGS Connect a cassette receiver or other receiver. VR101(Lch) Connect a DC voltmeter to VR102(Rch) After sufficient aging adjust IDLE CN7/CN8 and J4(SP.OUT, Volume : 0 to 2.0mV...
- Page 3 PC BOARD (Component side view) PREAMPLIFIER UNIT X08-4080-10 A/2 (J74-1031-11) (X08-) R243 R244 R242 R241 Ref. No. Address Ref. No. Address D209 D210 R141 R143 Q108 Q102 D109 C124 C123 C236 C235 R142 R255 Q109 R256 R257 R258 R352 C135 C136 Q110 R139...
- Page 4 PC BOARD (Foil side view) PREAMPLIFIER UNIT X08-4080-10 A/2 (J74-1031-11) (X08-) R244 R243 R242 R241 D210 D209 Ref. No. Address Ref. No. Address R141 R143 Q108 D109 Q102 C124 C123 C236 C235 R256 R255 R142 Q109 R258 R257 R352 C135 C136 Q110 R339...
- Page 5 PC BOARD (Component side view) AUDIO UNIT X09-5400-10 (J74-1032-41) (X09-) Ref. No. Address Ref. No. Address W172 Q110 W111 W142 W152 W209 W205 W112 W143 W153 W238 Q111 W206 W241 C301 W113 W144 W154 W192 Q209 W193 W114 W145 W155 Q112 R301 W115...
- Page 6 PC BOARD (Foil side view) AUDIO UNIT X09-5400-10 (J74-1032-41) (X09-) W172 Ref. No. Address Ref. No. Address W152 W142 W111 Q110 W205 W209 W153 W143 W112 W238 W241 Q111 W206 C301 W192 W154 W144 W113 W193 W155 Q209 W145 W114 Q112 R301 W156...
- Page 7 INPUT Q307 -44.5V LEVEL SUB - AB C3 1000P MUTE 220u50 R3 1K -45.2V KAC-959(JEKM) (1/2) SIGNAL LINE IC1-3,5 : UPC4574C Q101,102,201,202,307 D1-4 : RD8.2JS(B) : NJM2058D : 2SC945(A) (Q,P) D101-110,201-210,301-305 GND LINE CAUTION: For continued safety, replace safety critical components only with...
- Page 8 OVER 0.55V DET. VOLTAGE 11.4V Q204 10u35 SHIELD CASE DET. R220 Q202 1.8K KAC-959(JEKM) (2/2) -0.6V BATT 0.047 14.4V (X08-4080-10) (B/2) P-CON : UPC494C CAUTION: For continued safety, replace safety critical 3.3K X08-A/2 Q9,11 components only with manufacturer's recommended parts...
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Page 9: Exploded View
: N80-2008-45 φ2.6x10 : N09-4382-05 φ3x12 : N87-3012-46 φ3x8 : N88-3012-46 FLAT WASHER : N15-1040-46 : N09-4216-08 : N09-4214-08 : N07-0003-08 φ3x5 : N89-3005-46 φ3x8 : N89-3008-46 KAC-959 (JEKM) Parts with exploded view numbers larger than 700 are not supplied. -
Page 10: Parts List
KAC-959 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation CE04NW1H010M ELECTRO 1.0UF 50WV KAC-959 CF92FV1H102J MF-C 1000PF 3B ✽ A21-4090-02 DRESSING PANEL... - Page 11 KAC-959 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation C325,326 CC45FSL1H221J CERAMIC 220PF R121-124 RD14BB2C823J 1/6W C327-335 CE04DW1V100M ELECTRO 10UF 35WV R125,126...
- Page 12 KAC-959 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation R320 RD14BB2C512J 5.1K 1/6W Q12 ,13 2SC945(A)(Q,P) TRANSISTOR R321 RD14BB2C223J 1/6W 2SA733(A)(Q,P) TRANSISTOR...
- Page 13 KAC-959 PARTS LIST ✽ New Parts Parts without Part No. are not supplied. Desti- Desti- Ref. No. Parts No. Description Ref. No. Parts No. Description nation nation ✽ E39-0408-05 WIRING HARNESS R229,230 RD14BB2C473J 1/6W ✽ E39-0339-05 WIRING HARNESS R301 RD14DB2H100J...
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Page 14: Specifications
KAC-959 SPECIFICATIONS Audio Section Rated Power Output (4 Ω) A, B Channel (20-20KHz, 0.08% THD) ................40W x 4 Sub Channel (20-20KHz, 0.08% THD) ................120W A, B Channel (DIN45324, +B=14.4V) ................40W x 4 Sub Channel (DIN45324, +B=14.4V) ................120W Rated Power Output (2 Ω) A, B Channel (1KHz, 0.8% THD) ..................60W x 4...