Schematic Diagram - Main Section (9/10) - Sony XAV-A1 Service Manual

XAV-A1
5-24. SCHEMATIC DIAGRAM – MAIN Section (9/10) –
(9/10)
/HSYNC
(Page 43)
R927
R926
10
10k
R929
10
R924 R923 L820
470k 820
Q921
5
2
2SC4081
4
OSD 1
CLOCK AMP
3
C925
1
C928
0.1
BUFFER
R925
R922 IC923
270k C924
330 TC7STE08FU
390p
CLK1
/VSYNC
(Page 43)
C921 C922
0.1 0.1
R921
220
CDE
(Page 43)
R920
10
IC897(2/3)
IC897(1/3)
SN74AHC2GU
SN74AHC2GU
04HDCT3
04HDCT3
R888
39
L893
6 2 3 5
R887
1M R886 C893
X842
2.2k 100p
9.6MHz
C891 C892
22p
22p
IC897(3/3)
SN74AHC2GU
04HDCT3
L897
8
C888 C887
0.1 0.01
1 7
4
(Page 46)
CLOCK GENERATOR
7-9
(Page
5-9
44)
MGND
GND
(Page 40)
SD0-SD15
SA1-SA22
7-8-9
(Page 46)
C911 C910 C909 C908 C907 C906 C905
0.1 0.1 1000p 0.1 0.1 100p 0.1
LVCC
(Page 42)
XAV-A1
• See page 60 for Waveforms. • See page 72 for IC Pin Function Description.
SEL SYNC
C923
0.1
CLOCK SELECT
IC921
TC7W53FU
L R871
47k
H
C927
100p
R858
100
Q2R
Q2G
RA875
0
Q2B
INVERTER
IC922 C864
TC7SET04FU 0.1
C865
0.1
R872
100 R866
3k
R873
47k
C926
0.1
Q2 CSYNC
R867
220
R870
10k
/CS Q2UGM
R928
220 /CS Q2REG
/RD
/WE0
/WE1
R868
22k
/WAIT Q2
/IRQ Q2
SD0
SD1
SD2
SD3
L920
L921
C902 C867
82 82
C904 C903 C901 C866 C868
8V 8V
0.1 0.1 0.01 0.01 0.1
L901 L862
C883
82
L863 C884
8V
0.1
NF861 10µH
RA873 RA872 RA871 RA870 RA869
33 33 33 33
R865
33
GRAPHIC CONTROLLER
IC861
HD64413
C869 C870 C871 C872 C873 C874 C875 C876 C877 C878 C879 C880 C881
1000p 0.1 100p 0.1 0.1 1000p 0.1 0.1 0.1 100p 1000p 0.1 0.1
C885 C886
0.1 0.1
48 48
RA868
33 33
RA867
33
MA7
MA8
MA9
MA10
RA866
33 MA11
MA12
UDQM1
UDQM0
RA865
33
LDQM1
LDQM0
/MWE
/MCS
RA864
33 MD8
MD9
MD10
MD11
RA863
33
MD12
MD13
MD14
MD15
RA862
33
MD7
MD6
MD5
MD4
RA861
33
MD3
MD2
MD1
MD0
C863
470p
R864 2k
R863 2k
C862
470p
L861
C861 0.1
R862
33
MCLK
R861
22k
IC896(1/3)
IC896(2/3)
SN74AHC2GU
SN74AHC2GU
04HDCT3
04HDCT3 R898
220
R897 R896
1M 560
X896
C898 C899
32.72MHz
10p 12p
IC896(3/3) CLOCK GENERATOR
SN74AHC2GU
04HDCT3
L896
C882
0.1
C897
C896
0.01
0.1
GRAPIC MEMORY
(D-RAM)
IC901
M12L64322A-7T
VDD VSS
MD0 MD15
VDDQ VSSQ
MD1 MD14
MD2 MD13
VDDQ VDDQ
MD3 MD12
MD4 MD11
VDDQ VSSQ
MD5 MD10
MD6 MD9
VDDQ
VSSQ
MD7 MD8
NC
NC
VDD VSS
LDQM0 LDQM1
/MWE
NC
/MCAS
NC
/MRAS MCLK
/MCS
CKE
MA9
NC
MA12 MA8
MA11 MA7
MA10 MA6
MA0 MA5
MA1 MA4
MA2 MA3
UDQM0 UDQM1
VDD VSS
NC NC
MD16 MD31
VSSQ
VDDQ
MD17 MD30
MD18 MD29
VDDQ VSSQ
MD19 MD28
MD20 MD27
VSSQ VDDQ
MD21 MD26
MD22 MD25
VDDQ VSSQ
MD23 MD24
VDD
VSS