Pioneer VSX-2016AV-S Service Manual page 248

1
A
PDC132A (COMPOSITE ASSY : IC1006)
• Character Generator IC
Pin Arrangement (Top view)
VSS1
1
XtalIN 2
XtalOUT
3
CTRL1 4
B
BLANK 5
OSCIN
6
OSCOUT 7
CHARA
8
CS 9
SCLK
10
SIN 11
VDD2 12
C
Block Diagram
CS 9 Serial
↓
11
SIN
Parallel
SCLK 10 Converter
23
RST
24
VDD1
D
1
VSS1
12
VDD2
CHARA 8
Horizontal
E
6
OSCIN
Character
Size
OSCOUT 7
Register
Horizontal
17
SYNIN
Character
18
SEPC
Size
Register
19
SEPOUT
SEPIN 20
CTRL3 22
F
248
1
2
24 VDD1
23 RST
22 CTRL3
21 CTRL2
20 SEPIN
19 SEPOUT
18 SEPC
17 SYNIN
16 VDD1
15 CVIN
14 NC
13 CVOUT
8-bits Latch
+
Command
Decoder
Horizontal Vertical
Character Character
Size Size
Register Register
Horizontal Vertical
Size Size
Counter Counter
Horizontal
Character
Size
Register
Timing Generator
Horizontal
Character
Size
Register
21
CTRL2
VSX-2016AV-S
2
3
Horizontal Vertical Blanking
Display Display & Inversion
Position Position Control
Register Register Register
Blanking
Horizontal Vertical
& Inversion
Dot Dot
Control
Counter Counter
Circuit
Blanking Blanking
& Inversion & Inversion
Control Control
Register Register
Character Line
Control Control
Counter Counter
Character Output Control
Synchronization
Background Control
Signal Generator
Video output Control
4 2 3 5
CTRL1 Xtal Xtal BLANK
IN OUT
3
4
Display
RAM Write
Control
Address
Register Counter
Display
Decoder
RAM
Decoder
Font RAM
Shift
Register
15 13
CVIN CVOUT
4