Sony CDX-V3800 Service Manual page 54

CDX-V3800
• IC BLOCK DIAGRAMS
IC401 BD3806FS-E2 (MAIN Board (1/3))
32 31 30 29 28 27
VCC
FADER
(0~-58,
2
I C BUS
VCO
-∞dB)
LOGIC
EFFECT (0dB~
+20dB,2dB STEP)
BASS
fo:60,70,80,100,120,140,160,200Hz
TONE
Q:0.5,0.75,1,1.25
PASS
MIDDLE
BASS,TREBLE, MIDDLE
fo:500Hz,1kHz
(-15dB~+15dB,1dB STEP)
Q:1
TABLE
(+23~-79dB,-∞dB
fo:5,7.5,10,12.5kHz
1dB STEP)
fc:40kHz
ANTI-ALIASING
INPUT GAIN
(0~15dB,1dB STEP)
(4 STEREO INCLUDE 1 ISOLATION INPUT)
VCC/2
1 2 3 4 5 6
CDX-V3800
26 25 24 23 22 21 20 19 18 17
FADER FADER FADER
(0~-58, (0~-58, (0~-58,
-∞dB) -∞dB) -∞dB)
GAIN+ATT
(+10~-29,
-∞dB)
EFFECT (0dB~ 2ND ORDER LPF
+20dB,2dB STEP) fc:OFF,80,120,160Hz
2ND ORDER
Q: 0.707
LPF
MIX
TONE
PASS
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
VOLUME VOLUME
(+23~-79dB,-∞dB
1dB STEP)
fc:40kHz
ANTI-ALIASING
FILTER FILTER
INPUT GAIN
(0~15dB,1dB STEP)
MUTE MUTE
INPUT SELECTOR
7 8 9 10 11 12 13 14 15 16
10 10