Block Diagram - Ir Section - Sony DPA-300 Service Manual

DPA-300
Q Q
3 7 6 3 1 5 1 5 0
6-6. BLOCK DIAGRAM — IR SECTION —
14 P10
16
.
D0-7
18
22
P17
S
VIDEO
IN HOST STB 11 P11
SECTION
VIN BUSY
12 P22
(Page 42)
CS-102
2 CS
IOWR
35 WR
IORD
44 RD
T E
L 1 3 9 4 2 2 9 6 5 1 3
RST-OUT
D0-15
HA1-6
Q
VIDEO
PROCESS
SECTION
DACKIR DACKX
16
(Page 35)
XH CS IR 48 SA15
IRDRQX 79 DRQX
H CS IRS
86 SETUP
IRAEN 92
AEN
XIRD3 93
IOR
XIWR3 94
IOW
IRQUART IRQUART
82
K
IRQSCC+ IRQSCC+
83
VIDEO
CONTROL
SECTION
w w w
(Page 33)
16
I/O DEMODULATOR
IC5003
D0 31
D0-7
D7 24
5
A1
. . HA1-2
A2
4
32 43
DATA-BUS D0-15
ADDRESS-BUS HA1-6
18 54
20
.
SA0
21
.
23
HA1-6
.
28
.
30
.
SA5
32
IR CONTROLLER
IC5002
x a o
. i
— 37 —
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DATA-BUS BUFFER
IC4006
2 11
A1 B8
D0-7
A8 B1
9 18
ENABLE
DIG
G
1 19
2
D8-15
9
Q Q
3 7 6
60 TXO 7
.
61
SO0
.
64
.
65
.
HA1-6 RXDIR 96
68
.
RXDSH 97
69
.
71
SO7
.
GAINCTRL 6
72
CLK
90
u 1 6 3
y
http://www.xiaoyu163.com
2 4
8 9 9
DATA-BUS BUFFER
IC4005
11
A1 B8
A8 B1
18
ENABLE
DIG
G
1 19
3 1 5 1 5 0 8 9
IRDA
RECEIVER/TRANSMITER
BUFFER IC8001
IC112
2 3 7
11 12 2
9 8 6 CONTROL
1 X4001
.
5
36.864MHz
3
INVERTER
IC5001
m
c o
.
— 38 —
2
8 9 9
D0-7 MAR
T
VIDEO
OUT
SECTION
D8-15 MAR
(Page 39)
BUFDIR
P
2 4 9 8 2 9 9
XBE MI
VIDEO
PROCESS
SECTION
(Page 35)
Signal Path
:VIDEO(PB)