Pioneer KEH-1940, Service Manual

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KEH-1940,1960
7.2 PARTS
7.2.1 IC
SN761029DL
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VCC AVcc
IN1-R IN1-L
IN2-R IN2-L
IN3-R IN3-L
IN4(+)-R IN4(+)-L
IN4(-)-R IN4(-)-L
AGND AGND
SWout-R SWout-L
ZCin-R ZCin-L
LOUD-R LOUD-L
VRin-R VRin-L
TREB-R TREB-L
BASS-C1-R BASS-C1-L
BASS-R-R BASS-R-L
BASS-C2-R BASS-C2-L
NC NC
TONEout-R TONEout-L
FADERin-R FADERin-L
FRNTout-R FRNTout-L
REARout-R REARout-L
DVcc VREFin
DATA AGND
CLK DGND
STB Ct
3 Line Serial Bus
Bass
Treble
Volume,
Loudness
Fader
Gain
Adjust
Isolator
Zero-cross
Detector
Power
Supply
Bass
Treble
Volume,
Loudness
Fader
Gain
Adjust
Isolator
Power
Supply
A
A