Pioneer PRO-700HD Service Manual page 100

PRO-700HD
¶ Pin Function
Pin No. Pin Name
1 AV
DD
2 AV
DD
3 AV
SS
4 D
8
5 D
7
6 D
6
7 D
5
8 D
4
9 D
3
10 D
2
11 D
1
12 DV
SS
13 DV
DD
14 CLK
15 AV
SS
16 AV
DD
17 AV
SS
18 AV
DD
19 V
RT
20 V
REFT
21 V
INA
22 V
REFB
23 V
RB
24 AV
SS
7 MA07132 (SIGNAL ASSY: IC7700)
TWIN PICTURE LSI
¶ Pin Assignment
184
GND 1
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
"
VDD 46
47
256
I/O
Analog power supply pin (+5 V)
–
Analog power supply pin (+5 V)
–
Analog power ground pin (0 V)
–
O
O
O
O
Digital output pins. D : MSB, D
1
O
O
O
O
Digital power ground pin (0 V)
—
Digital power supply pin (+3 or +5 V)
—
Clock input pin
I
Analog power ground pin (0 V)
—
Analog power supply pin (+5 V)
—
Analog power ground pin (0 V)
—
Analog power supply pin (+5 V)
—
Reference voltage input pin (3 V)
I
Reference voltage input pin (1 V)
I
Analog input pin. Input range: V
I
Reference voltage output pin. When connected to V
O
Reference voltage input pin (1 V)
I
Analog power ground pin (0 V)
—
¶ Block Diagram
139
138 VDD
"
"
"
"
"
Horizontal
"
24
Main
" YCbCr 24 bit
filter
" Vsync
input
" /reduction
" Main
"
" Vsync
"
Hsync
"
"
CLK
"
"
"
"
"
"
"
"
Horizontal
24
YCbCr 24 bit Sub
"
filter
"
or Vsync
"
/reduction
"
Sub
RGB24 bit input
"
"
Vsync
"
Hsync
"
"
CLK
"
"
"
"
"
"
"
"
"
"
"
"
93 GND
92
Function
: LSB
8
to V (2 Vp-p between 0.5 to 4 V)
RB RT
, the pin generates 0.2 x AV
RB
EDO-DRAM
EDO-DRAM
Vertical
Line buffer
filter
Line buffer
/reduction
Line buffer
Vertical
Line buffer
Line buffer
filter
/reduction
Line buffer
Line buffer
T-BUS
I/F
(1 V).
DD
EDO-DRAM (2 or 4)
EDO-DRAM
EDO-DRAM
16
8
MUX
Digital
24
RGB
Line buffer
output
images
MUX
Analog
D/A YCbCr
output
3ch.
images