Schematic Diagram - Key Board - Sony MEX-DV1000 Service Manual

5-21. SCHEMATIC DIAGRAM – KEY Board –
CN901
20P
VH-12V
10.4V
DOOR-SW
CLK
DIO
CS
GND
RE-1
RE-0
GND
GND
AUX-L
(Page 37)
AUX-GND
AUX-R
GND
KEY-IN0
KEY-IN1
GND(KEY AD)
SIRCS
3.3V
FB880
0
FB881
0
J901
AUX
FB882
0
MEX-DV1000/DV2000
D983 MA8068-M-TX
D984 MA8180-M-TX
D981 MA8180-M-TX
LED917 LED914
R981 0 D988 MA8068-M-TX CLK
∗ ∗
R982 0 D992 MA8068-M-TX DIO
SYSTEM SHUF
R983 0 D990 MA8068-M-TX CS SET UP 2
LED916 LED913
∗
*
DSPL ALBUM -
3
LED915 LED912
∗ ∗
D989 REP ALBUM +
MA8068-M-TX
1 4
R921 R925
220 220
FB971
0
R923 R927
∗ ∗
LED941 LED943
∗ ∗
LED941-944
PUSH SOUND/
ENTER
LED942 LED944
∗ ∗
R939 R947
∗ ∗
R941 R949
∗ ∗
R901 R902 R903
1k 1k 1k
S901 S902 S903
OFF SOURCE SEEK +
R959 R909 R910
1k 1k 1k
S909 S910 S911 S912
SCRL 5 ALBUM +
6
LED909 LED901 LED908 LED907
∗ ∗ ∗ ∗
SCRL OFF SEEK-
LED910 LED906 LED903
∗ ∗ ∗
CAT SEEK+
6 LIST
LED911
∗
R933
∗
5
R929 R935 R943 R951
∗ ∗ ∗
220
R931 R937 R945 R953
∗ ∗ ∗ ∗
∗LED901-904,906-917,941-944
SML-310VTT(DV1000:AEP,UK,RU,E(NTSC))
LED902
CL-197HB1B(DV1000:E(PAL),IND,CH)
∗
SO-194S-WM(DV2000)
SOURCE
∗R923,927,931 ∗R943,951
100(DV1000:AEP,UK,RU,E(NTSC)) 150(DV1000:AEP,UK,RU,E(NTSC))
180(DV1000:E(PAL),IND,CH) 470(DV1000:E(PAL),IND,CH)
LED904 1k(DV2000) 1.5k(DV2000)
∗
∗R933 ∗R945,953
MODE 220(DV1000:AEP,UK,RU,E(NTSC)) 270(DV1000:AEP,UK,RU,E(NTSC))
270(DV1000:E(PAL),IND,CH) 470(DV1000:E(PAL),IND,CH)
2.2k(DV2000) 1.5k(DV2000)
∗R935 ∗R939,947,955
R955
∗
270(DV1000:AEP,UK,RU,E(NTSC)) 150(DV1000:AEP,UK,RU,E(NTSC))
680(DV1000:E(PAL),IND,CH) 680(DV1000:E(PAL),IND,CH)
2.2k(DV2000) 1.5k(DV2000)
∗R937 ∗R941,949,957
R957
∗
100(DV1000:AEP,UK,RU,E(NTSC)) 270(DV1000:AEP,UK,RU,E(NTSC))
680(DV1000:E(PAL),IND,CH) 1k(DV1000:E(PAL),IND,CH)
1k(DV2000) 1.5k(DV2000)
R904 R905 R906
1.2k 1.5k 1.8k
RE901
ROTARY ENCODER
S904 S906
PUSH SOUND/
MODE CAT
ENTER
LIST
R911 R912 R913 R914 R915
1.2k 1.5k 1.8k 2.2k 3.3k
S913 S914 S915 S916
ALBUM - SHUF REP DSPL
4 3 2 1
39 39
R972 Q991
100 2SA1037AK-
GRID
DRIVE
R994
100k
R993 10k
R975 REMOTE CONTROL
R992 10k
0
RECEIVER
R991 10k
IC971
RS-770
R966 C932
10k 1
1 2
D931 DIO
C971 1SS355WTE-17
4 3
0.1 C992 CLK
0.1
CS
C991
0.1
Q992
2SA1037AK
GRID
R995
DRIVE 100k
R907 R908
2.2k 3.3k
S907 S908
SEEK -
R916
3.9k
S917
SYSTEM
SET UP
MEX-DV1000/DV2000
FL900
FLUORESCENT
INDICATOR TUBE
D982
RF101L2STE
F+
Q993
2SA1037AK-
F+
GRID
36-37NP
DRIVE
3G
2G
1G
R996
Q1
100k
Q2
Q3
Q4
R988 1k
GRID1
R989 1k
GRID2
R990 1k
GRID3
14-25NP
RESET
R984 100
DIO
R985 100
CLK
R986 100
CS
R987 100k
OSCI
FB991 0
VDD
VH
P-GND
L-GND
3-4NP
F-
F-