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Service Manual
3-WAY ELECTRONIC CROSSOVER
MODEL NO: ACR-300
― FEATURES ― SPECIFICATIONS
6-channel electronic crossover Power Source: 14.4 volts DC negative
Continuously variable crossover ground
frequency with Multiplier Switch Input current: 0.5 amp max
Separate inputs for front, rear and Distortion: 0.01%THD at 1V output level
subwoofer Frequency Response: 10Hz - 30kHz- 3dB
Front and rear high-pass outputs S/N Ratio: >100dB
Non-fade low-pass output Separation: 60dB
Adjustable low-pass gain Crossover Slope Rate: 18dB per octave
Subwoofer Bass Boost; Remote 3rd order butterwortn
Subwoofer Level Control Input Impedance: 20K Ohms
Ground loop isolation input circuit; Output Impedance: 100 Ohms
Gold-plated RCA input/output connectors Output Gain: 1:2 (+6db)
Remote turn-on circuit; Power-on LED Output Voltage level: 5 volts max
Dimensions: 152mm x 180mm x 43mm
― TROUBLESHOOTING
PROBLEM SOLUTION
UNIT DOES NOT WORK; POWER WIRES ARE NOT CONNECTED. CHECK BATTERY AND GROUND
NO LIGHTS. WIRING AT UNIT; CHECK BATTERY CONNECTIONS
SOUND IS DISTORTED. - SOURCE UNIT VOLUME IS SET TOO HIGH. REDUCE SOURCE UNIT
VOLUME.
- EQ CONTROLS ARE SET TOO HIGH. TURN EQ CONTROLS TO THE
CENTER POSITION AND LISTEN FOR DISTORTION AGAIN. IF PROBLEM
STILL OCCURS, SEE YOUR AUTHORIZED CLARION DEALER.
- SPEAKERS MAY BE DAMAGED. CONSULT YOUR AUTHORIZED CLARION
DEALER.
NO SOUND FROM UNIT. WRONG INPUT IS SELECTED. PRESS AUX SWITCH SO THAT MAIN
INPUTS ARE ON.
NO REMOTE-ON. USING A VOLTMETER, CHECK FOR +12V FROM
REMOTE-ON SOURCE.
1 Service Manual-ACR-300
― ELECTRICAL PART LIST
REF. NUMBER PARTNO Description SPEC Qty Unit
C1, C6, C9, C30,C31,C36, C43, C47, C52~C55,
C60, C61, C62, C64, C65, C67 02-21001-34 ELE. CAPACITOR 10uf/25V Mini 18 PCS
C11C11, C25, C27 03-21030-01 MYLAR CAPACITOR 103J 3 PCS
C12, C14, C28, C29, C38, C39, C45, C46, C56,
C66 03-22230-01 MYLAR CAPACITOR 223J 10 PCS
C13, C18, C19, C21, C22, C26 03-21020-01 MYLAR CAPACITOR 102J 6 PCS
C15, C24, C37, C44, C58, C68 02-20220-54 ELE. CAPACITOR 0.22uf/35V Mini 6 PCS
C17, C23, C35, C42 04-26800-01 CERAMIC 680P 250V 4 PCS
C2, C20 03-23320-01 MYLAR CAPACITOR 332J 2 PCS
C3, C4, C10, C34 03-21040-05 Capacitor 104 "K" 50V 5 PCS
C32, C40 02-24702-22 ELE. CAPACITOR 470uf/16V 2 PCS
C33 02-23302-34 ELE. CAPACITOR 33uf/25V mini 1 PCS
C48 02-21003-52 ELE. CAPACITOR 1000uf/35V Slim 1 PCS
C49, C51 02-20820-54 ELE. CAPACITOR 0.82uf/35V Mini 2 PCS
C5, C16 02-20100-54 ELE. CAPACITOR 0.1uf/35V Mini 2 PCS
C50, C59 02-21000-54 ELE. CAPACITOR 1uf/35V Mini 2 PCS
C57, C69 02-22200-54 ELE. CAPACITOR 2.2uf/35V Mini 2 PCS
C63, C70 04-28200-01 CERAMIC 820P 2 PCS
C7, C8 02-21002-24 ELE. CAPACITOR 100uf/16V Mini 2 PCS
D1, D2 09-14001-01 DIODE IN4001 1A 50V 2 PCS
D3, D4, D5, D6 09-00152-00 F DIODE FR152 4 PCS
D7, D8 09-14148-01 DIODE 1N4148 2 PCS
D9, D10 19-00298-00 LED red light 3mm pan head B5433B 1 PCS
IC1, IC3~IC10 07-00072-01 I.C TL072 9 PCS
IC11 07-13600-00 I.C. LM13600N 1 PCS
IC2 07-00594-00 I.C. TL594CN 1 PCS
J1~J32 01-00007-00 JUMP WIRE leg 7mm 30 PCS
L1 20-00106-00 T COIL T044 1 PCS
P1~P38 26-00355-00 Jumper wire 3e-WB 1 KIT
P39 32-30000-00 TERMINAL BLOCKS HD-83-3P golden 1 PCS
Q1, Q2, Q3, Q4, Q6 08-19013-01 T.R 9013 5 PCS
Q5 08-19012-01 T.R 9012 1 PCS
R1, R2 01-11001-22 RESISTOR 1 ohm 1/2W 2 PCS
R10, R16, R21 01-11000-43 RESISTOR 10 ohm 1/4W 3 PCS
R103 01-15120-63 RESISTOR 5.1K 1/8W 1 PCS
R105 01-11230-63 RESISTOR 12K 1/8W 1 PCS
R11, R12, R38, R60, R71, R92 01-11820-63 RESISTOR 1.8 K 1/8W 6 PCS
R113, R116, R119, R120, R94 01-14710-63 RESISTOR 470 ohm 1/8W 6 PCS
R117, R118 01-11240-63 RESISTOR 120K 1/16W 2 PCS
R127 01-12020-63 RESISTOR 2K 1/8W 1 PCS
R15, R24 01-13340-63 RESISTOR 330K 1/8W 2 PCS
R17, R30, R52, R72, R77, R86 01-12030-63 RESISTOR 20 K 1/8W 6 PCS
R18 01-12230-43 RESISTOR 22 K 1/4W 1 PCS
R19 01-11230-43 RESISTOR 12 K 1/4W 1 PCS
R20, R43 01-14720-43 RESISTOR 4.7 K 1/4W 2 PCS
R27, R63, R66, R100 01-11040-63 RESISTOR 100K 1/8W 4 PCS
R28, R64, R67, R101 01-11830-63 RESISTOR 18 K 1/8W 4 PCS
R3, R29, R49, R50, R80, R87, R88, R108 01-11020-63 RESISTOR 1 K 1/8W 8 PCS
R31, R32, R35, R44, R47, R48, R75, R79, R83,
01-11010-63 RESISTOR 100 ohm 1/8W 13 PCS
R84 , R107, R111, R114, R121
R33 01-16220-43 RESISTOR 6.2K 1/4W 1 PCS
R34, R54 01-14730-43 RESISTOR 47 K 1/4W 2 PCS
R36, R58, R69, R90, R93, R95 01-19120-63 RESISTOR 9.1 K 1/8W 6 PCS
R37, R59, R70, R91 01-13930-63 RESISTOR 39 K 1/8W 4 PCS
R4, R5, R39, R40, R51, R55, R56, R57, R68,
01-11030-63 RESISTOR 10 K 1/8W 22 PCS
R73, R74, R85, R96, R97, R98, R102, R106,
2 Service Manual-ACR-300
R112, R123, R124, R125, R126,
R45 01-12720-43 RESISTOR 2.7 K 1/4W 1 PCS
R6, R41, R65, R76 01-15130-63 RESISTOR 51 K 1/8W 4 PCS
R61, R62 01-11830-43 RESISTOR 18 K 1/4W 2 PCS
R7, R25 01-17520-63 RESISTOR 7.5 K 1/8W 2 PCS
R78, R115 01-13330-63 RESISTOR 33 K 1/8W 2 PCS
R8, R14, R23, R26 01-17530-63 RESISTOR 75 K 1/8W 4 PCS
R81, R82, R89 01-11530-63 RESISTOR 15K 1/8W 3 PCS
R9, R13, R22, R42, R46, R53 01-11020-43 RESISTOR 1 K 1/4W 6 PCS
R99, R104, R109, R110, R122 01-15620-63 RESISTOR 5.6 K 1/8W 5 PCS
RCA1~RCA6 32-20223-02 RCA JACK 2P RL-1416-2G golden 6 PCS
SW1 18-00103-00 SWITCH SS93010 0602-6T-SN 1 PCS
SW2, SW3, SW4 18-00310-01 SWITCH SS 70050-0202-7.5T 3 PCS
T1 20-00105-00 T COIL A055 1 PCS
VR1, VR3, VR5 15-60504-15 VR 500K*6 RKO97161000D 3 PCS
VR2, VR4 15-22031-06 A20K*2 RV112B -40-15A-A24 2 PCS
VR6 15-20154-00 VR B150K RV112B -40-15A-BC5 1 PCS
VR7 15-12031-04 B20K*1 RV09BC -40-25K-B24 1 PCS
VR8 15-22031-07 B20K*2 RV112B -40-15A-B24 1 PCS
VR9 15-12031-05 VR B20K*1 RV09B -40-15F-B24 1 PCS
Z 30-00104-00 Connector 6PIN 1 PCS
ZD1 09-20150-03 Z DIODE 15V 1 PCS
3 Service Manual-ACR-300
― SCHEMATIC DIAGRAM
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― PRINTED WIRING BOARD
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