Sony CDX-MP40 Service Manual page 37

IC401 BD3802F (MAIN Board)
D-GND SDA SCL MUTE
28 27 26 25
2
I C BUS
VCO
LOGIC
VCC/2
1 2 3 4
A-GND FIL BUS- AN
RCH
OUT- OUT-
FR RR
SEL ADJ VCC
24 23 22 21 20
VCC
FADER FADER FADER
(0~-58, (0~-58, (0~-58,
-∞dB) -∞dB) -∞dB)
ON OFF ON
EFFECT (OFF,6dB, EFFECT (OFF,6dB,
10dB,14dB) 10dB,14dB)
TONE TONE
PASS PASS
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
INPUT GAIN
(0~15dB,1dB STEP)
MUTE
INPUT SELECTOR
(4 STEREO INCLUDE 1 ISOLATION INPUT)
5 6 7 8
BUS- TU- TU- CD- CD-
LCH RCH LCH RCH LCH
OUT- OUT-
FL RL
DS32 DS22 DS12
19 18 17 16 15
FADER
(0~-58,
-∞dB)
OFF
BASS,TREBLE, MIDDLE
(-15dB~+15dB,1dB STEP)
VOLUME
(+23~-79dB,-∞dB
1dB STEP)
INPUT GAIN
(0~15dB,1dB STEP)
MUTE
9 10 11 12 13 14
D1 D2 DS11 DS21 DS31
CDX-MP40
37