Read Sony HCD-V909AV / MHC-V909AV Service Manual online
— 18 —
7-2. BLOCK DIAGRAMS
— KEY CON SECTION —
HCD-V909AV
J751
MIC LEVEL
RV750
MIX MIC
3
1
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
• Signal path
: FM
: MIC
(Page 25)
22
15
MIX
OUT
LPF1
IN
Rch
DATA
CLK
LATCH
K CON
L IN
DATA
CLOCK
STORBE
KEY CONTROL
IC1401
SWITCH
ECHO LEVEL
RV751
IC751
ECHO
LPF1
LPF2
IC750 (2/2)
ECHO AMP
IC750 (1/2)
MIC AMP
09
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