Block Diagram - Graphic/Bus Control Section - Sony XAV-A1 Service Manual

5-4. BLOCK DIAGRAM – GRAPHIC/BUS CONTROL Section –
DATA BUS
DATA
ADDRESS BUS
I
(Page 26) ADD
CTL
/CS_Q2UGM
/CS_Q2REG
/RD
/WE0
/WE1
/WAIT_Q2
/IRQ_Q2
/RST_3
Q2 CLK1
3 5
CLOCK
2
X896 GENERATOR
32.72MHz IC896
6
ZERO L
D
(Page 24) CPURST
MPEG_DI
MPEG_DO
MPEG_REQ
P
(Page 24)
MPEG_CLK
DVDEJECT
XAV-A1
18 – 24,26, 173 – 176,1,2,
28 – 37,39, 4,6 – 11,13,
41 – 43 15,16
Q2_CSYNC
157
Q2_R
162 145
Q2_G
163 146
Q2_B
164 148
165
/HSYNC
166 140
/VSYNC
169 142
171
44
GRAPHIC
IC922
CONTROLLER
161
IC861
138
2,4,5,7,8,10,11,13,
54,55,57,59,60,62,63,65,
MD0 – 31
74,76,77,79,80,82,83,85,
76,74,72 – 67,113,112,
110,108 – 104,114,116,117, 31,32,34,36,37,39,40,42,
119,121 – 123,124 45,47,48,50,51,53,54,56
MA0 – 12
103,101,99,98,95,94, 25 – 27,60 – 66,
92,90 – 85 24,22,23
UDQM1
83 59
UDQM0
81 28
LDQM1
80 71
LDQM0
79 16
/MWE
48 78 17
/MCS
77 20
MCLK
49 68
/MRAS
96 19
/MCAS
97 18
Q102
54 /ZEROL
RESET
D1201 VD33
IC1204
BUFFER
48 MPEG_RST
IC1205
LEVEL SHIFT
49 MPEG_DI
IC106
MPEG_DO
50
LEVEL SHIFT
75 MPEG_REQ
IC109
LEVEL SHIFT
51 MPEG_CLK
IC105
102 DVD_EJECT
Q1109 Q1112
DVD_R
B
(Page 24)
DVD_G
DVD_B
Q2_CSYNC
G (Page 25)
Q2_R
Q2_G
Q2_B
/HSYNC
/HSYNC
/ VSYNC
(Page 28)
J
CDE
CDE
X651
GRAPHIC
15.7MHz
MEMORY
(D-RAM)
IC901
1 12
Q655
9 A
10 B
OSC SWITCH
108 109 119 131 120
67 92 89 18 19
SYSTEM CONTROLLER
IC101(3/5)
27 27
1 3 2
16 2
VIDEO VIDEO
14 5 4
SELECT AMP
11
IC301 IC302
12
8
9 6 7
7
10 1
D301
IC208
ACC
PANT+B
RCA+B
BATT
BATTERY DETECT
Q6,7
CE ACCESSORY DETECT ACCESSORY CHECK
Q1 Q2,3
ILMIN ILLUMINATION DETECT
X652
Q9
16MHz
/RVS
REVERSE DETECT
Q17
11 4
PARKIN PARKING DETECT
Q16
YCOM 3
IC652
VDD
J1850_PWR B+ SWITCH
Q653,654
BUS5V
70 24 1 11 10 13
RXD
72 20
TXD
71 21 5
INT
74 22 J-BUS
RES
DRIVER
68 23 4
IC651
3
AD
69 15
SCLK/PA
73 16 1
XAV-A1
15 LCD_R
14
K (Page 28)
13 LCD_G
12
10 LCD_B
9
CP1(2/3)
PANT
B+ SWITCH
8 P.ANT
Q11,12
B+ SWITCH RCA
9 RCA
Q13,14
BU
DZ5
ACC-IN
10 ACC
DZ6
ILM
22 ILM
REV
21 REV
PARKIN
20 PARKIN
• SIGNAL PATH
: DVD/CD (VIDEO)
BUS DRIVER
Q651
BUS+
L
(Page 29)
BUS-
BUS DRIVER
Q652