Aiwa CSD-MD5 free download

File name Technical_Information_®_.pdf

1/1 Service Technical Information MODEL NO. CSD- MD5 SUBJECT Sound Distortion REF.No. :G - A0 - 033 - E0 DATE :30. AUG. 2000 Please take the following countermeasure when there is a complaint such as "the sound gets distorted", or "noise is reproduced", etc., when the sound volume control level is 20 or more (maximum 30). This occurs when a CD or an MD with a high recording level of the low frequency range is played back under the following conditions: T-BASS G-EQ VOLUME - - - MAX ROCK or JAZZ 20 or more Connect a wire between the pins 10, 13 (GND) of the POWER IC (IC200: LA4663) and the GND terminal of the capacitor C109 (1000 µF/16V) in the main P.W.B. P.W.B-MAIN IC200 C107 470/25 R MUTE SP1 R211 1K POW ER AM P IC200 LA4663 + + SP2 (SPEAKER ) + C216 4 .7/50 R214 C 218 4 .7K 2200p R212 4 .7K R R211 + 1/50 R220 0 R216 1K 5 6 7 8 Vcc SATND BY Vcc MUTE L-CH + R200 180 C 200 22 /50 MUTE + 14 GND + 2 + + 3 13 12 GND POW ER IC R -CH R GND + 9 10 11 R201 180 C201 22/50 + 4 - Add-Wire IC101 C217 4 .7/50 + R215 4 .7K R213 4.7K C 219 2200p C212 1 /50 1 + C210 47 /25 + Q100-103 REG . Q 100 2SB1375 D100 GBU4D L-6419 C101 0 .022 ! F101 125V 2A S1 C100 0 .022 2 R104 1 3 C107 470/25 Q 101 DTA114YK R S1 S2 + C 103 0 .022 C102 0.022 + Q 103 2SC 1815Y R103 680 R102 10K S2 S4 S4 S3 C109 1000 /16 + R Q102 DTC114YK C104 6800/25 Add W ire S3 CN101 MAIN P.W.B Pattern Surface Circuit diagram Ref. - G - R - Parts Code 87-610-063- 310 Code No. - Description B0 -6- 3 Access Code - Modified Ser. No. - Remarks - Parts Schedule -