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G. Tannenbaum
Electronic Service Data
P.O. Box 386/ Ambler PA 19002
Phone 215 657 0106 Fax 215 657 0520
Web Page www. agtannenbaum. com
harman/kardon
MODEL CA- 260
CAR AMPLIFIER
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~~ ~~
Model CA260
The Harman Kardon
HIGH FIDELITY CAR AM PLIFIER
3 7
Manual No. 74A
DlJ mJ 0 ~ 1RUTI~ mJ QJJ
harman / kardon
240 CROSSWAYS PARK WEST , WOODBURY . N. Y. 11797
1112. H15274A8 P. 08846 1650 PRINTED IN JAPAN
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,- ~;;
~.
~~IPower Output , RMS : 60 watts per channel into Active Crossover Characteristics
4 Ohms , 20 ~ 20, 000Hz High Pass : 200Hz , 12d B/Octave
: 90 watts per channel into Low Pass : 200Hz , 6dB/Octave
2 Ohms , 20 ~ 20, 000Hz Power Supply : DC + 13. 8V (11 ~ 16V usable),
: 180 watts bridged mono into negative ground
4 Ohms , 20 ~ 20, 000Hz Typical Input Current Requirements
HCC (High Instantaneous: :t 30A
Current Capability)
At Idle : 2.
Full Power Music Signal: 6. 7 A (4 Ohms/ch.
THD : No more than 0. : lOA (2 Ohms/ch.
Negative Feedback : 25dB Full Power Sine Wave : 20A (4 Ohms/ch.
Power Bandwidth : 10Hz to 100 000Hz : 30A (2 Ohms/ch.
Frequency Response : 10Hz to 100, 000Hz + 0 3dB Dimensions (W x H x D) : 15- 5/8" x3- 7/8" x7- 1/8"
Signal- to- Noise Ratio : 80dB (396 x 98 x 180 mm)
I nput Sensitivity Weight : 101bs. 20z (4. 6kg)
Line Level : 0. 25V 10. 8V (switchable)
High Level : 3V All specifications and features subject to change without notice.
DISASSEMBLY PROCEDURES (REFER TO PAGES 4 AND 10)
Note: When replacing parts , discharge by shorting between ~ POWER SUPPLY P. C. BOARD (PCB- 4) REMOVAL
terminals of the capacitor (C51 , C52) at the power 1. Remove the Cabinet Bottom Assembly (101). (Refer
source with 8D 1O0W resistor as it may have to step rn .
charge accumulated. 2. Unsolder the lead wires from the Power Transformer
IIJ CABINET BOTTOM ASSEMBLY (101) REMOVAL (Tl ).
Remove 7 screws ~ and remove the Cabinet Bottom 3. Remove 7 screws C!) and remove the Power Supply
Assembly (101). C. Board (PCB- 4) with the Cabinet Back (143),
Fuse with Holder (Fl), Insulator (186) and terminal
IZJ MAIN P. C. BOARD (PCB- 1) REMOVAL
(TE3).
1. Remove the Cabinet Bottom Assembly (101). (Refer
4. Remove the terminal (TE3) by unsoldering.
to step rn .
2. Remove 9 screws fY and remove the Main P C. Board
5. Remove screw C) and remove the Cabinet Back
(143) with Fuse with Holder (Fl), Insulator (186)
(PCB- l) with Cabinet Back (142), Line Input P
Board (PCB- 2), Bridged- Mono Switch P C. Board
and terminal (TE3). At this time , disconnect the
connector from Fuse with Holder (F 1).
(PCB- 3) and terminals (TEl and TE2).
3. Unsolder the lead wires from the Line Input P 141 POWER TRANSFORMER (T1) REMOVAL
Board (PCB- 2) and Bridged- Mono Switch P. C. Board
1. Remove the Power Supply P C. Board (PCB- 4).
(PCB- 3) and remove the terminals (TEl and TE2) (Refer to step
by unsoldering. 2. Remove 4 screws () and remove the Power Trans-
4. Remove 2 screws ~ and remove the Cabinet Back former (T1).
(142) with the Line Input P C. Board (PCB- 2),
Bridged- Mono Switch P C. Board (PCB- 3) and ter-
minals (TEl and TE2).
PROTECTION CIRCUIT
If the temperature inside the CA260 rises above 80
the protection circuit comes into operation , decreasing ToSw;tch;ng 03
output. At this time the protect indicator blinks. If the
D W'" i--
_138V
temperature comes back below 80 C by natural cooling, :"' --Q --,0,----..2 PROTECT
output returns as it was. I ~'
If the temperature rises above 100 , the power supply
circuit is shut off . Not only does the output stop, but J r~l
also the protect indicator goes out. If this happens , it
is possible that the CA260 is broken. However , even in
this state , it cannot be
because the unit may operate
always said that it is broken
when the temperature
'~i...
comes back below 80 C by natural cooling.
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ALIGNMENT PROCEDURES (REFER TO PAGES 9 AND 10 )
-Idling current adjustment
Conditions: Inspection:
-Connect the DC voltmeter between TPl and TP2 and -Confirm that the idling current is 50mA :t 20mA
between TP3 and TP4. (voltage: 33mV:t 13mV).
-Connect a 13. 8V power supply to the 12V Battery If the current measured does not fall within the range
Power In terminal. specified , adjust it with the procedure below.
-After the power on , wait for 5 minutes before measur-
ing to be sure of the most stable operation.
Adjustment
Note: When replacing or disconnecting a resistor , disconnect the power supply first.
Current Voltage Procedure
less than 29mA less than 19mV Add R481 and R482 between TP5 and TP6 and between TP7 and TP8.
71mA ~ 100mA 46mV ~ 66mV After cutting out R477 and R478 , add R481 and R482 between TP5
and TP6 and between TP7 and TP8.
101mA ~ 200mA 67mV ~ 132mV After cutting out R479 and R480, add R481 and R482 between TP5
and TP6 and between TP7 and TP8.
201 mA ~ 250mA 133mV ~ 165mV Cut out R477 and R478.
more than 251 mA more than 166m V Cut out R479 and R480.
After the adjustment is complete , let the unit settle down for 10 minutes , than double-check that the idling current is set
properly.
BLOCK DIAGRAM
AMPLI FIER
Line Input
Output
POWER
FILTER AMP
High Level Input
Input Select
Switches
High/Low Pass
Fi Iter Switch
Input
Select
Line Input Switches Output
POWER
FILTER
AMP
POWER SUPPLY
+13. + 31.0V
Switching
Circui t
Remote
- 31.0V
GND + 35. 5 V
- 35. 5 V
Protect Signa! Input
---0
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GENERAL UNIT EXPLODED VIEW
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GENERAL UNIT PARTS LIST
Ref. No. Part No.
I Description
101 A424- CA260A Cabinet Bottom Assembly
102 B222- CA260A Heat Sink Assembly, Right
119 2310- 7028 Hexagon- Head Bolt
120 2346- 501641 Hexagon- Head Tapping Screw
121 2440- 70 1 8 Hexagon Nut
122 2412- 5042 Spring Washer
123 2414- 504 Toothed Lock Washer
124 2557- 401649 Bolt
125 2440- 7019 Hexagon Nut
129 2218- 7035 Bracket
130 2218- 7036 Bracket
142 1424- 12101 Cabinet Back
143 1424- 12201 Cabinet Back
145 1443- 07701 Front Panel
147 1662- 05002 Push Button , Filter Switches
154 2112- 11768 Sponge
155 2132- 7118 Spacer
156 2132- 7119 Spacer
157 2132- 7120 Spacer
158 2132- 7123 Spacer
159 2132- 7124 Spacer
161 2219- 7965 Bracket
162 2219- 7966 Bracket
163 2219- 7967 Bracket
164 2219- 7968 Bracket
165 2219- 7969 Bracket
166 2219- 7971 Bracket
167 2219- 7972 Bracket
169 2219- 7994 Bracket
170 2219- 7995 Bracket
171 2219- 7998 Bracket
174 2222- 71 58 Heat Sink
175 2222- 71 59 Heat Sink
176 2222- 7160 Heat Sink
177 2222- 7161 Heat Sink
179 2222- 7163 Heat Sink
180 2222- 7106 Heat Sink
181 2222- 7168 Heat Sink
183 2224- 7092 Insulator
184 2224- 7093 Insulator
185 2224- 7094 Insulator
186 2224- 7098 Insulator
191 2240- 7120 Holder
192 2240- 7220 Holder
193 2240- 7224 Holder
194 2240- 7225 Holder
202 2440- 7016 Special Nut
250 2114- YC40B Bushing
301 2347- 3006K7 Self- Tapping Screw (+) (3 x 6mm)
302 2347- 301026 Self- Tapping Screw (+) (3 x 10mm)
303 2347- 300627 Self- Tapping Screw (+) (3 x 6mm)
304 2347- 300626 Self- Tapping Screw (+) (3 x 6mm)
305 2347- 301227 Self- Tapping Screw (+) (3 x 12mm)
306 2557- 301229 Screw with Washer (+) (3 x 12mm)
ll11- J30179 Owner Guide (for U. A. model)
llll- J30180 Owner Guide (for General & Canada models)
1756- 09901 Installation Template (Accessory)
1221- 717169 Packing Box
1222- 7267 Packing Cushion , Left
1222- 7268 Packing Cushion , Right
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ELECTRICAL PARTS LIST
Ref. No.
I Part No. I Description
CHASSIS MISCELLANEOUS
ffiTl 5584- 701464 Power Transformer
C429 5369- 104144 Capacitor , O. l/lF :t 10%, 25V , Semiconductor
ffiFl 4472- 7935 Fuse with Holder , 30A (Spare Fuse Inclusive)
PT1 5192- 090TSl Posistor , ME2
TE1 4214- 148 Terminal , High Level Input , 12V Battery Power In
TE2 4214- 147 Terminal , Speaker System
ffiJ3 4163- 701107 Connector with Lead Wire
LUGl 4211- Lug Terminal
4162- 726 Power Cord , Red (Accessory)
4162- 736 Ground Cord , Black (Accessory)
4211- Spade Lug (w/Tube) (Accessory)
RESISTORS
ffiR97 , 98 , 441 442 443 444 5102- 1014713 1O0D , :t 2%, 1/4W , Fuse
R417 418 5174- 562381 6kD , :!: 1%, 1/4W , Metal
R419 420 5174- 243381 24kD , :t 1%, 1/4W , Metal
R421 422 5174- 301381 300D , :t 1 % , 1/4W , Metal
R449 450 5174-561381 560D :!: 1% , 1/4W , Metal
R459 460 5174-470381 47D :!: 1% , 1/4W , Metal
R465A/B , 466A!B 5275- R33671 33D , :!: 10% , 5W x 2 , Cement
467 A/B , 468A!B
R469 , 470 , 471 472 5171- 220572 22D :!: 5% , lW , Metal
R473 , 474 , 475 , 476 5171- 470572 47D , :t 5%, lW , Metal
R477 478 5174- 151381 150D :!: 1% , 1/4W , Metal
R479 480 5174- 131381 130D :t 1% , 1/4W , Metal
R483 , 484 , 485 , 486 5174- 100381 10D :!: 1% , 1/4W , Metal
R513 514 5174-243381 24kD , :t 1 % , 1/4W , Metal
CAPACITORS
C76 5345- 226B041 22/lF , :t 20% , 10V , Electrolytic
C77 , 78 5345- 476D041 4Jt.LF :t 20% , 25V , Electrolytic
C79 5345- 227D041 220/lF , :!: 20% , 25V , Electrolytic
C81 5345- 225F041 2/lF , :!:20% , 50V , Electrolytic
C401 402 5345- 684F0951 68/lF , :t 20% , 50V , Electrolytic
C405 , 406 5345- 337B0226 330/lF , :!: 20% , 1 OV , Electrolytic
C407 408 5345-476C0952 47/lF :t 20% , 16V , Electrolytic
ffiC409 41O 411 412 5345- 226F041 22t-tF , :!: 20%, 50V , Electrolytic
C413 414 5359- 1015851 100pF :!: 5% , 100V , Polypropylene
C415 416 5345-476C041 47/lF :t 20% , 16V , Electrolytic
C417 418 5353- 050934 5pF :t 0. 5pF , 500V , Mica
ffiC425 , 426 427 428 5345- 476 F04 1 47t-tF :t 20% , 50V , Electrolytic
C50 1 , 502 5345- 106C0952 10t-tF :t 20% , 16V , Electrolytic
C503 , 504 , 505 , 506 5345- 106D0952 10t-tF :t 20% , 25V , Electrolytic
C523 , 524 5345- 226D041 22/lF , :t 20%, 25V , Electrolytic
DIODES
D61 , 401 , 402 , 413 , 414 5631- 1S2473 1 S2473
D62 5641- MV104V Varistor , MV104V
D63 , 64 5635- HZ15- Zener , HZ15-
D403 , 404 , 405 , 406 5632- 10DF2 10DF2
D407 , 408 5635- HZ12B2L Zener , HZ12B2L
D409 , 410 , 411 , 412 5636- 1 S24 71 1 S24 71
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Ref. No. Part No.
I Description
TRANSISTORS
031 413 414 5613- 2240(BL) 2SC2240(BL) or 2SC2240(GR)
034 409 410 415 416 5611- 970(BL) 2SA970(BL)
417 418
035 405 406 5613- 2603(E) 2SC2603(E) or 2SC2603(F)
407 408
037 5611- 1115(E) 2SAl115(E) or 2SA1115(F)
040 5613- 2877(0) 2SC2877(0) or 2SC2877(Y)
041 5611- 1217(0) 2SA1217(0) or 2SC1217(Y)
0401 402 403 404 5613- 1775(F) 2SCl775(F)
0411 412 5613- 2240(BL) 2SC2240(BL)
0419 420 5612- 646(C) 2SB646(C)
0421 422 5614- 666(C) 2SD666(C)
0423 , 424 5614-669(B) 2SD669(B) or 2SD669(C)
0425 , 426 5612-649(B) 2SB649(B) or 2SB649(C)
0427 428 5614-669(C) 2SD669(C)
0429 , 430 5612- 649(C) 2SB649(C)
0431 432 5613- 2591 (0) 2SC2591 (0) or 2SC2591 (R) or 2SC2591 (S)
0433 , 434 5611- 1111 (0) 2SA1111(0) or2SAll11(R) or2SAll11(S)
0435 436 437 438 5613-3182(0) 2SC3182(0) or 2SC3182(R)
0439 440 441 442 5611- 1265(0) 2SA1265(0) or 2SA1265(R)
0501 502 5611- 999L(F) 2SA999 L( F)
0503 , 504 5613- 2320L(F) 2SC2320L(F)
COILES
L405 , 406 5991- 7165
MISCELLANEOUS
SW1 4431- A04727 Push Switch , Filter ON/OFF , High Pass/Low Pass Filter
PCB-2 LINE INPUT P. C. BOARD
CAPACITORS
C519 520 5359- 2715851 270p F , :t 5% , 1 OOV , Polypropylene
C521 , 522 5359- 1515851 150pF , :t 5% , 1 OOV , Polypropylene
MISCELLANEOUS
SW4 4421- 0427126 Slide Switch , Line Input Sensitivity
,2 4482- 711 7 Pin Jack , Line Input
PCB- 3 BRIDGED- MONO SWITCH P. C. BOARD
CAPACITORS
C507 5345-475D0952 4.7pF , :t 20% , 25V , Electrolytic
C508 5345- 106D0952 1 OpF , :!: 20% , 25V , Electrolytic
TRANSISTOR
0505 5613- 2603(E) 2SC2603(E) or 2SC2603(F)
MISCELLANEOUS
SW3 4421- 0227123 Slide Switch , Bridge Mono
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Ref. No. No.
I Part I Description
RESISTOR
R24 5174- 184381 180kD , :t 10% , 1 /4W , Metal
CAPACITORS
6Cl , 29 , 30 , 31 , 32 , 33 5345- 227D0921 220pF :t 20%, 25V , Electrolytic
, 4 , 5, 6 5345- 107 - 100pF :t 20%, 25V , Electrolytic
5345- 227 A041 220pF :t 20% , 6. 3V, Electrolytic
5345- 225F041 2pF :t 20% , 50V , Electrolytic
C9, 5359- 3315851 330pF :t 5%, 100V , Polypropylene
C12 5359- 2015851 200pF :t 5% , 100V , Polypropylene
C13 5345- 106- 10pF :t 20% , 16V , Electrolytic
C18 5345- 105- lpF :t 20% , 50V , Electrolytic
6C51 5341- 109F0960 10000pF :t 20%, 50V , Electrolytic
6C53 , 54 5345- 476F041 47pF :t 20% , 50V , Electrolytic
6C55 , 56, 57 , 58 5345- 226F041 22pF :t 20% , 50V , Electrolytic
INTEGRATED CIRCUITS
IC1 5654- MN4011 B MN4011 B
IC3 5654- MN4069UB MN4069UB
IC4 5654- MN4027B MN4027B
IC5 5652- M5223P M5223P
TRANSISTORS
5611- 1286(H) 2SA 1286(H)
5613- 2603(E) 2SC2603(E) or 2SC2603(F)
12, 5613- 3246(H) 2SC3246(H)
016 , 17 5613- 3345(0) 2SC3345(0) or 2SC3345(Y)
018 20, 5613- 2626 2SC2626
DIODES
5632- E RCOl 02F ERC0102F
, 7 , 9, 10, 5631- 1S2473 1S2473
6D3 , 4 , 5 , 53 , 54 , 55 5632- 10DF2 10DF2
5635- HZ6A- Zener , HZ6A-
D12 5635- HZ9B- Zener , HZ9B-
D14 5637- GL5HD10 LE. , GL5HD10, Power Indicator , Red
D15 5637- GL5HY10 LE. , GL5HY10, Protect Indicator , Amber
6D51 5685- PB101 F Bridge Silicon , PB 101 F
COILS
L51, 5991- 7175
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.,. ~-- --, ::~:. g~~~
SCHEMATIC DIAGRAM
C421
J"" R69
SIGNAL
Q401
z:' 2sel7751FJ TE2
JI PA
Lch t;:;',
C401
R457 /50V
220K
R4I3
TE1 R505
560 R523
HIGH LEVEL INPUT Q407
35. 2sIC2603(E)
R ch o,\F)
R99
C79
"O/25V
SWI FiI", ON/OFF $ C77
SW2 H;gh Po35/Low Po" Flit., 47/25V
SW3 B';dge-Mona
SW4 Line 'op", Sen5;,;vlty . C78
47/25V
cao
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"0/25 V
R539
r.. --
C504
'25V
:'sO :'so
Q402
2Sel775(FJ
R 506 I L C402
560 66/50V
C516
*0.
R458
220K
l!:.
lei MN40llB
Q408
2SC2603
\E)o,\F)
IC 4
MN4027B
D408
HZI2B-2L
3-9
3t,
3tOV
RII
PROTECT
IOOOP
lei MN40llB
PT2
SWITCHING
TRANSISTOR
SENSOR
NOTES
1. ALL RESISTANCES VALUES ARE IN D.
KD = 1 OOO~ MD = 1000KD.
2. THE WATTAGE OF RESISTORS IS 1/4W UNLESS OTHERWISE NOTED.
3, ALL CAPACITANCES VALUES ARE IN /IF UNLESS OTHERWISE NOTED, P= /l/lF
4. V: DC VOLTAGE AT NO SIGNAL
5. ~ SAFETY- REQUIREMENTS COMPONENTS IN ACCORDANCE WITH PRESENT SAFETY
ill REGULATIONS, THESE COMPONENTS MUST ONLY BE REPLACED BY ORIGINAL PARTS.
f,. "
The Harman Kardon
Model CA260 Manual 74C
HIGH FIDELITY CAR AMPLIFIER
SUPPLEMENTARY MANUAL
MODIFICATIONS WERE MADE AT SERIAL NUMBER 9008201 TO IMPROVE PERFORMANCE.
EXCEPT FOR THE CHANGES AS NOTED IN THIS SUPPLEMENT , REFER TO MANUAL 74A AND
74B FOR ALL OTHER PARTS AND SERVICE INFORMATION.
SPECIFICATIONS
Power Output, RMS : 60 watts per channel into Active Crossover Characteristics
4 Ohms , 20- 20, 000Hz High Pass : 200Hz , 12dB/Octave
: 90 watts per channel into Low Pass : 200Hz, 6dB/Octave
2 Ohms, 20- 20 000Hz Power Supply : DC + 13. 8V (11 - 16V usable),
: 180 watts bridged mono into negative ground
4 Ohms, 20- 20 000Hz Typical Input Current Requirements
HCC (High Instantaneous: ::I: 30A At Idle : 2.
Current Capability) Full Power Music Signal: 6. 7A (4 Ohms/ch.
THD (4 Ohms/2 Ohms) : No more than 0, 1 %/0. : lOA (2 Ohms/ch.
Negative Feedback : 25dB Full Power Sine Wave : 20A (4 Ohms/ch.
Power Bandwidth : 10Hz to 100 000Hz : 30A (2 Ohms/ch.
Frequency Response : 10Hz to 100, 000Hz + 0, - 3dB Dimensions (W x H x D) : 15- 5/8" x 3- 7/8" x 7- 1/8"
Signal- to- Noise Ratio : 80dB (396 x 98 x 180 mm)
Input Sensitivity Weight : 101bs. 20z. (4. 6kg)
Line Level : 0. 1 V /0. 5V (switchable) Specifications and components subject to change without notice,
High Level : lV Overall performance will be maintained or improved,
ELECTRICAL PARTS LIST
Ref. No,
I Part No. I Description
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RESISTORS
R419, 420 5174- 393381 39kO , 1 %, 1/4W , Metal
::I:
R421 , 422 5174- 221381 2200 ::I: 1 %, 1/4W , Metal
CAPACITORS
C405, 406 5345- 477C0952 470"F , ::1:20%, 16V , Electrolytic
TRANSISTORS
040 5613- 3422(0) 2SC3422(0) or 2SC3422(Y)
041 5611- 1359(0) 2SA 1359(0) or 2SA 1359(Y)
CAPACITORS
C519, 520 5359- 4715851 470pF , ::1:5%, 100V , Polypropylene
C521 , 522 5359- 2715851 270pF , ::1:5%, 100V , Polypropylene
harman/kardon
240 Crossways Park West , Woodbury, 11797
l112- H15274C P- 088511 1650 PrintedlnJapan
WIRING DIAGRAM
IpCB-11
BLK
C429
SW2
HIGH PASS---
SVfI
LOW PASS --- 0
FILTER
HIGH LEVEL INPUT SPEAKER SYSTEM
TE1 TE2
SW4
LINE INPUT LINE INPUT
SENSITIVITY J2 LJ1
OFF
SW3
BRIDGE MONO
PIN CONNECTION DIAGRAM OF TRANSISTORS , DIODES AND ICS.
28C2240
28A970
25C1775
28C2603
28A 1115
28C2877
2SA
'QI
28B646
28D666
2SA12
28C3345
28C2591
28C2626
28C3182
182473
HZ15- 2L
10DF2
~A"'"
2L '
HZ9B- MV104V GL5HD10
GL5HY10
PB101
182471
28D669 2SA
28A999L
28C2320L
28B649 28C3246 HZ12B2L
EROCO1 02F ,.."'" DIODE
Anode
C B C E C E HZ6A- Anode Cathode
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\--' "::"';::':;' ,
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eLK
eLK
eLK
eLK
PROTECT
IND.
POWER
IND.
FI30A
PT2
SYSTEM GND +8 REMOTE
12V BATTERY POWER
TE3
POWER
-WIRE COLOR ABBREVIATIONS
RED : Red
PB101F MN4011 B M5223P ORG : Orange
MN4 BLU : Blue
WHT : White
GRN : Green
BLK : Black
Anode VEL : Yellow
14 : Purple
PUP
PIK : Pink
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::
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~-- ---, "/// -- ,:"
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.c~
C421
R405,2 R407
1.5K~1.5K
J-- R69
Q31
2SC2240( BL) ore GR)
TE2
L405
C401
R469 22 low)
R457 /50V
220K
R47t 22 lOW) R475
SPEAKER
R473 OW) e SYSTEM
R413 OW)
22 K (3;) R
C419
~ 0. 033
Q407
reV) 2sIC2603(E)
3S.
or(F)
R99 C411
22/50V
(jJ Q39
~SAI1I5(E)
92L '/ or(FJ
4,6V
32L R76
1217(O)~ ~I
I or(Y) R432
1006 -3S. 22K
R82
47K
35, C422 0,
31.OV
D414
Q402
2SC2240 Q404
C402 (BL) 2slc2240(BL)
6S/50V
. L