Schematic Diagram - Key Section - Sony HCD-X1V Service Manual

7-31. SCHEMATIC DIAGRAM – KEY Section –
S812
DISC 1
CN807
8P
GND
KEY1
6V
DGND
3.3V
FL_DATA
(Page FL_CLK
67)
LED LATCH
FUNCTION
CN804
4P
DGND
KEY1
KEY0
KEY2
(Page
67)
HCD-X1V
• See page 81 for IC Pin Function Description.
R860 R859 R858 R857
47k 22k 10k 4.7k
S811 S810 S809 S808
DISC 2 DISC 3 DISC 4 DISC 5
S802 S805
+ VOLUME -
S803 S801 R853 S804 R862
2.2k 2.2k
CN805
2P
R852
2.2k
D811
SML-020MDT
DISC 1
R856 R855
2.2k 2.2k
S807
(AMBER) (GRN)
R831 R830
220 220
LED DRIVER
Q5
C823 220p
Q6
C824 220p
Q7
C825 220p
Q8
C826 220p
Q9
C827 220p
R812
0
C833
0.1
S806
CN806
2P
63 63
D812 D813 D814
SML-020MDT SML-020MDT SML-020MDT
DISC 2 DISC 3 DISC 4
(AMBER) (GRN) (AMBER) (GRN) (AMBER) (GRN)
R829 R828 R827 R826 R825 R824
220 220 220 220 220 220
IC802
BU2099FV1
C818 220p
Q4
Q5 Q4 C819 220p
Q3
Q6 Q3 C820 220p
Q2
Q7 Q2 C821 220p
Q1
Q8 Q1 C822 220p
Q0
Q9 Q0
C806 470p
Q10 LCK
C817 220p
Q11 CLK
C816 220p
SO DATA
OE NC
VDD VSS
R818 100
R819 100
R813 100
HCD-X1V
D815
SML-020MDT
DISC 5
(AMBER) (GRN)
R823 R822
220 220