![background image](http://html.mh-extra.com/html/sony/hcd-xb88avk/hcd-xb88avk_service-manual_1329765021.webp)
– KEY CON SECTION –
– 25 –
HCD-XB88AVK/XB88K
J761
MIC LEVEL
RV760
MIC 1
3
1
J762
MIC 2
IC1403
6
7
1
2
9
8
5
3
4
9 10 11
Q1401
7 8 9
L OUT
A
MAIN
SECTION
• R CH : Same as Lch
• Signal path
: FM
: MIC
(Page 21)
22
15
MIX
OUT
LPF1
IN
Rch
DATA
CLK
LATCH
K CON
L IN
DATA
CLOCK
STORBE
KEY CONTROL
IC1401
SWITCH
ECHO LEVEL
RV761
IC761
ECHO
LPF1
LPF2
IC760 (2/2)
ECHO AMP
IC760 (1/2)
MIC AMP
09