AIWA CDC-X144 Service Manual - Page 15

CDC-R104/X104/X144 IC401 BD3809FS (MAIN Board) DGND SDA SCL MUTE SEL ADJ VCC OUT-FR OUT-RR OUT-FL OUT-RL BP22 BP12 NC OUT-SUB-R OUT-SUB-L 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 VCC I2C BUS VCO LOGIC BASS fo:60,70,80,100,120,140,160,200Hz Q:0.5,0.75,1,1.25 MIDDLE fo:500Hz,1kHz Q:1 TABLE fo:5,7.5,10,12.5kHz FADER (0~-58, -∞dB) FADER (0~-58, -∞dB) FADER (0~-58, -∞dB) FADER (0~-58, -∞dB) EFFECT (0dB~ +20dB,2dB STEP) TONE PASS EFFECT (0dB~ +20dB,2dB STEP) TONE PASS 2ND ORDER LPF fc:OFF,80,120,160Hz Q: 0.707 MIX BASS,TREBLE, MIDDLE (-15dB~+15dB,1dB STEP) BASS,TREBLE, MIDDLE (-15dB~+15dB,1dB STEP) VOLUME (+23~-79dB,-∞dB 1dB STEP) VOLUME (+23~-79dB,-∞dB 1dB STEP) fc:40kHz ANTI-ALIASING FILTER fc:40kHz ANTI-ALIASING FILTER INPUT GAIN (0~15dB,1dB STEP) MUTE INPUT GAIN (0~15dB,1dB STEP) MUTE INPUT SELECTOR (4 STEREO INCLUDE 1 ISOLATION INPUT) GAIN+ATT (+10~-29, -∞dB) 2ND ORDER LPF VCC/2 1 2 3 4 56 7 8 9 10 11 12 13 14 15 16 AGND FIL AUX-RCH AN AUX-LCH TU-RCH TU-LCH CD-RCH CD-LCH BUS-RCH BUS-LCH BP11 BP21 NC OUT-SEL-R OUT-SEL-L 30