Block Diagram - Video Section - Sony HCD-C770 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-4. BLOCK DIAGRAM – VIDEO Section –
SD0 – SD7
D
(Page 30) AV DATA BUS
XDCK, XSAK,
SDEF XDCK
F 183 SDCLK
(Page 30)
XSAK
179 SDEN
SDEF
182 SDERROR
27M
I
(Page 30) 139 XIN
XSRQ_ZIAV
L 178 SDREQ
(Page 30)
SPDIF
O
(Page 31) 156 IEC958
ZIVARESET
V
(Page 32) 202 RESET
T E
L 1 3 9 4 2 2 9 6 5 1 3
TDOSA, TDISA,
TCK, TMS, TRST
TDOSA
N
(Page 31) 199 TDI
TDISA
198 TDO
TCK
201 TCK
TNS
200 TMS
TRST
197 TRST
I2HLP,
I2CDATA, I2CCLK
I2HLP
W 106 I2C_CTRL
(Page 32)
161 160
I2CDATA
I2CCLK
78 79
w w w
41
.
X301
20MHz
J205 (3/4)
VIDEO 1
VIDEO IN
VIDEO INPUT
SELECTOR
J206 (2/3)
IC207
VIDEO 2
VIDEO IN
1 IN1
3 IN2
OUT
VDAC_0 131 5 IN3
2 4
VDAC_2 125
128
VDAC_1
VDAC_3 122
119
VDAC_4
186 187 185 184 188 146 158 157 191
1 8 3
6 DO
5 DI
4 SK
EEPROM
IC203
Q302
FLIP-FLOP SWITCHING
IC803 IC802
34 33 35 36 37 32 38
MECHANISM CONTROLLER
IC301 (2/2)
x a o
y
40
i
http://www.xiaoyu163.com
8
VIDEO SELECTOR
IC209
75Ω DRIVER
7 14 2B 5
OUT2
IC206
9 3B OUT3 6
1 1B OUT1 3
12 7 2
Q Q
3 7 6 3
DVD SYSTEM PROCESSOR
IC206
HAD0 – HAD15 HA1 – HA3
22, 19-14, 11-3 2, 207, 206 190
HAD0 – HAD15 HA1 – HA3
DATA & ADDRESS BUS
HAD0 – HAD15 HA1 – HA3
55, 54, 52, 51,
34, 33, 31 56 29
49-47, 45-40, 38-36
2D7 – 2D9
1D1 – 1D10, 2D1 – 2D6
BUS INTERFACE
1Q1 – 1Q10, 2Q1 – 2Q8
IC215
2, 3, 5, 6, 8-10, 12-17,
19-21, 23, 24
DATA & ADDRESS BUS
HA1 –
HAD0 – HAD15
HA3
u 1 6 3
15-22, 24-31 11-9 2-8, 34-44
DQ0 – DQ15 A0 – A2 A3 – A20
.
16Mbit PROGRAMMABLE ROM
IC204
33 33
http://www.xiaoyu163.com
2 4
9 9 8
VIDEO AMP, 75Ω DRIVER
IC208
6 YIN YOUT 28
WIDE SWITCH
2 CIN COUT 33
Q210, 214
4
2
4 VIN VOUT 31
12 CYIN 25
CYOUT
14 CBIN CBOUT 22
16 CRIN CROUT 19
3 15
1 5 1 5 0 AV2 8 9 2 4
AV0
AV1
107
MD0 – MD31
MA0 – MA12
57-60, 64-71, 75-78,
195 27 25 42-33, 45, 46
81-84, 88-95, 99-102
2,4,5,7,8,10,11,13,74,76,77,79,82,83,85,31,
33,34,36,37,39,40,42,45,47,48,50,51,53,54,56
DQ0 – DQ31
128Mbit SD-RAM
IC202
m
c o
12 14 1
HCD-C770/C990
2
9 9
• SIGNAL PATH
: VIDEO
: Y
: CHROMA
J205 (4/4)
: COMPONENT VIDEO
VIDEO 1
VIDEO OUT
3
S VIDEO
1
J202
MONITOR OUT
VIDEO
Y
J206 (3/3)
COMPONENT
PB/CB
VIDEO OUT
PR/CR
9 8 2 9 AV0 – AV2 9
P
(Page 31)
48 47 56 49 53 51 52 62 73 86 97
21, 24-27,
22 23 68 20 17 19 18 16 71 28 59
60-66
A0 – A11