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Circuit Descriptions, Abbreviation List, and IC Data Sheets
9.3.6
Diagram B4A/B/C/D/E/F, PNX 2015 (IC 7J00)
Block Diagram
video
coprocessor
HD input
(TDA9975)
PNX3000
PNX3000
PNX8550
Pin Configuration
16-BIT 225 MHz DDR
PNX2015
MEMORY CONTROLLER
NORTH TUNNEL
DV4
VIP
DV5
MEMORY
BASED SCALER
VIDEO MPEG
DECODER
HUB
AUDIO1
DEMDEC
I2D1
VIDDEC1
VIDDEC2
I2D2
AUDIO2
DEMDEC
LVDS
TV MICROCONTROLLER SUBSYSTEM
remote
keyboard
control
index area
2
4
6
8
1
3
5
7
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
AD
AE
AF
AG
AH
AJ
AK
Figure 9-8 Internal block diagram and pin configuration
16
SOUTH TUNNEL
VO-1
VO-2
AUDIO1
DSP
2D/3D
MUX
COMB FILTER
AUDIO2
DSP
2
I
C-bus
UART
AV link
10
12
14
16
18
20
22
24
26
9
11
13
15
17
19
21
23
25
PNX2015
Transparent top view
EL1.1U
PNX8550
12 × DACS
speakers
PNX8550
DV1
DV2
PNX8550
DV3
PNX8550
to LCD panel
001aab086
28
30
27
29
F_15400_132.eps
240505
9.
EN 135
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