Key Con Section - Sony HCD-XB88AVK Service Manual

– KEY CON SECTION –
MIC AMP
IC760 (1/2)
J761
3 1
MIC 1
RV760
MIC LEVEL
J762
MIC 2
KEY CONTROL
IC1401
LPF1 MIX
OUT
IN
22
Rch
7 8 9
09
HCD-XB88AVK/XB88K
ECHO AMP
IC760 (2/2)
6 7
ECHO
IC761
1 2 9 8
RV761
LPF1
LPF2
ECHO LEVEL
SWITCH
IC1403
5
4
3
9 10 11
Q1401
15
• R CH : Same as Lch
• Signal path
: FM
: MIC
– 25 –
L IN
K CON
A
MAIN
SECTION
(Page 21)
LATCH
CLK
DATA
L OUT