Akai-ACA-2202-Service-Manual(1) 电路图 维修手册.pdf

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1、? ? ? RadioFans.CN 收音机爱 好者资料库 IC102AIC103BIC103A POWER AMP SW101B L- OUT R- OUT 31 LPF HPF OFF 31 75 VR102BVR104AVR103A IC102BIC203BIC203ASW101A 5757 LPF HPF OFF 31 75 VR102AVR104BVR103B CROSSOVER 50Hz +12V D.C. REM F01 T07 T08 T01- 04 T09,T10 T11- T16 T100 T200 T01 IC02 IC03 VEE VCC +/- 15 T17 T166

2、,T167 T266,T267 PROTECT MUTE CONTROL TRANS W/2 CH3 W/2 Rated Distortion: 10% CH1 W/2 CH3 W/2 Max. output power CH1 W/2 CH3 W/2 4BTL Output power Rated Distortion: 0.7% W mVProduct specification - Low input180 7Be sensitive to input Volume max Distortion:10% High input dB 40CH1 & CH2: 42/43CH3 & CH4:

3、 30CH1 & CH2: 39/40CH3 & CH4: 6Separation Work normally Distortion:0.7% 1 kHz 10 kHz mV3 1.5/1.5 CH2: 93.7/96.8 Rear L/RCH3: CH4: dB 71 Full range 76 A-Weighting CH1: 89.6/96.0 CH2: 94.5/98.3 Rear L/RCH3: CH4: dB 71 Full range 76 A-Weighting CH1: 92.2/95.0 5 Signal noise ratio (Input Terminal Short)

4、 Rated 1kHz Distortion: 10% Front L/R Signal noise ratio (Input Terminal Open) Rated 1kHz Distortion: 10% Front L/R output noise No signal input (Input Terminal Open) CH1: 116.35CH2: 110.68 Rear L/RCH3: CH4: Product specification CH1: 73.38CH2: 70.80 Rear L/R CH1: 37.46CH2: 37.29 Rear L/RCH3: CH4: C

5、H3: CH4: Normal Output power(2) Rated Distortion: 0.7% Front L/R W Rated Distortion: 10% Front L/R Max. output power Front L/R CH1: 104.51CH2: 101.25 Rear L/RCH3: CH4: WProduct specification CH1: 50.56CH2: 49.88 CH3: CH4: CH1: 73.35CH2: 71.00 CH3: CH4: 3 Normal Output power(4) Rated Distortion: 0.7%

6、 Front L/R Rear L/R Rated Distortion:10% Front L/R Rear L/R Max. output power Front L/R %0.7% CH1: 0.05CH2: 0.02 CH3: CH4: 2 Total harmonic distortion and noise Work normally 10W,4 Front L/R Rear L/R CH2: +1/-3 Rear L/R+1/- 3 ( 5Hz30kHz) CH3:CH4: dB +1/- 3 ( 5Hz30kHz) CH1: +1/-3 1 Gain-frequency res

7、ponse Work normally Front L/R ConditionCapability request Sample1： Model Name: ACA-2202Accomplished Qty: PO. Number:Accomplished Date: Car audio amplifier capability request Client Name: AKAI Serial Number : Capability Request / ACA-2202 1/2 NOItemUnitConditionCapability request Sample1： Model Name:

8、 ACA-2202Accomplished Qty: PO. Number:Accomplished Date: Car audio amplifier capability request Client Name: AKAI Serial Number : Work normallyFrequencykHz No signal inputAmplifier: 28.09Preamp: +/- 15 THD10% 2Amplifier: 23.61Preamp: +/- 15 THD10% 4Amplifier: 24.91Preamp: +/- 15 1/2f23 HzCH1 & CH2:

9、+ 8CH3 & CH4: +8 f45 HzCH1 & CH2: + 12CH3 & CH4:+12 2f90 HzCH1 & CH2: + 8CH3 & CH4: +8 1/2f15 HzCH1 & CH2: - 0.5CH3 & CH4: -0.5 f30 HzCH1 & CH2: - 3CH3 & CH4: -3 2f60 HzCH1 & CH2: - 8CH3 & CH4: -8 1/2f100 HzCH1 & CH2: - 0.5CH3 & CH4: -0.5 f200 HzCH1 & CH2: - 3CH3 & CH4: -3 2f400 HzCH1 & CH2: - 12CH3

10、 & CH4: -12 1/2f17 HzCH1 & CH2: - 16CH3 & CH4: -16 f35 HzCH1 & CH2: - 3CH3 & CH4: -3 2f70 HzCH1 & CH2: + 1CH3 & CH4: +1 1/2f2.25 KHzCH1 & CH2: - 7CH3 & CH4: -7 f4.5 KHzCH1 & CH2: - 3CH3 & CH4: -3 2f9 KHzCH1 & CH2: - 1CH3 & CH4: -1 Operated by: Xiaoyulin Approved by: ZhaozhigangDate: 2006/02/28 Note:

11、 Power supply voltage: 14.0V OK power supply (+) terminal with speaker (+/-) terminal、VR crust 、RCA terminal OK power supply (-) terminal with speaker (+/-) terminal、VR crust 、RCA terminal OK 17 terminal short-circuit testing Heat sink with power supply (+/-) terminal、speaker (+/-) terminal、 VR crus

12、t 、RCA terminal No noise or spark OK Temperature testing1/3 Max. Power 4hours testingOK OK no sound on/offOK caraudio on/offOK 3s Remote SwitchOK Short circuit ProtectionOK 16Function testing Power on delay Product specificationDC offset Protection Amplifier on/off Product specification / Static/ 15

13、Power supply (Rated) Distortion:10% W 14 High-Pass crossover （Min.） dBProduct specification High-Pass crossover （Max.） dBProduct specification 13 Low-Pass crossover （Min.） dBProduct specification Low-Pass crossover （Max.） dBProduct specification OK 12Bass boost rangedBProduct specification 11Stabili

14、tyRated- In-phaseWork normally- Not self-excitation and parasitism Output in-phase CH1&CH2 contra-phase / CH3&CH4 contra-phase 10 Gain difference between channels Volume output ( maxmax decrese 46dB ) dB 31.5 9Phase between channels 8 On-off power part testing Product specification 35.8 Power supply voltage V Capability Request / ACA-2202 2/2