Sony CDX-R3350 Service Manual page 27

QQ
3 7 63 1515 0
IC401 BD3806FS-FE2 (MAIN Board (1/3))
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
TE
L 13942296513
1
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32 31 30 29 28 27
FADER
(0~-58,
2
I C BUS
VCO
LOGIC
EFFECT (0dB~
+20dB,2dB STEP)
TONE
PASS
fc:40kHz
(4 STEREO INCLUDE 1 ISOLATION INPUT)
VCC/2
2 3 4 5 6
BUS ON
RST
BATT
CLK
VREF
x ao
y
DATA
i
GND
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8
26 25 24 23 22
VCC
FADER FADER
(0~-58, (0~-58,
-∞dB) -∞dB) -∞dB)
EFFECT (0dB~
+20dB,2dB STEP)
TONE
PASS
BASS,TREBLE, MIDDLE BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP) (-15dB~+15dB,1dB STEP)
VOLUME VOLUME
(+23~-79dB,-∞dB (+23~-79dB,-∞dB
1dB STEP) 1dB STEP)
fc:40kHz
ANTI-ALIASING ANTI-ALIASING
FILTER FILTER
Q Q
3 6 7 1 3
INPUT GAIN INPUT GAIN
(0~15dB,1dB STEP) (0~15dB,1dB STEP)
MUTE MUTE
INPUT SELECTOR
7 8 9 10
IC580 BA8271F-E2 (MAIN Board (3/3))
BUS ON
14 VCC
1
SWITCH
RESET
2 13 RESET
SWITCH
12 BUS ON
11 CLK IN
BATTERY
3 10 BU IN
SWITCH
4
5
u163
6 9 DATA IN
.
7 8 DATA OUT
CDX-R3350/R3350C
2 9 9 4 2 8
21 20 19 18 17
FADER
(0~-58,
-∞dB)
GAIN+ATT
(+10~-29,
-∞dB)
2ND ORDER LPF
fc:OFF,80,120,160Hz
2ND ORDER
Q: 0.707
LPF
MIX
1 5 0 5 8 2 9 9 4
11 12 13 14 15 16
m
co
9 9
2 8 9 9
27