Circuit Descriptions - Philips L04E Service Manual

Circuit Descriptions, List of Abbreviations, and IC Data Sheets
9. Circuit Descriptions, List of Abbreviations, and IC Data Sheets
Index of this chapter:
1. Introduction
2. Block Diagram
3. PNx83xx MOJO
4. Front End
5. Back End
6. IBOLink Interface
7. Control Interface
8. UART Interface
9. Power Supply
10. Abbreviations
11. IC Data Sheets
Notes:
•
In this paragraph, only components and circuits of the "IBO
Zapper" module (Intelligent Bolt On) are described. For the
other circuit descriptions, see the L04E AA manual (3122
785 14480).
•
Only new circuits are described here. For the other circuit
descriptions, see the A10E BB manual (3122 785 13940).
9.1
Introduction
The "IBO Zapper" module is meant to receive, process, and
transfer Digital Video Broadcasting-Terrestrial (DVB-T) signals
to the internal TV interface for audio, video, and control. The
"IBO Zapper" is intended for use in combination with an
analogue TV chassis.
9.2
Blockdiagram
I B O
H F n i
H F n i
h y
n a l a g o F I
n a l a g o
D A / s w t i h c
A G C
R I Q
2 I C
P o w r e O n O / f f
2 1 V
5 V
Z a p p r e m o d u e l
d i g i l a t F I F I n i T J A G T
r b d i T U N E R
C O F D M
T D 3 1 6 1
1 0 0 6 4
F I 2 I C A G C 2 I C t n u r e A G C
M U X + H E F
2 I C
E E P R O M
( s u r e e s i t t g n ) s
P S U
Figure 9-1 Block Diagram IBO Zapper Module
S o t u T S n i T J A G C O N T R O L
C . I .
S T V 7 0 0 0 A
2 I C 2 I C T S o t u C P U I F /
E T J A G M I U
D E M U
M P E
d
M P E
d
C P U
M
p n
R I U S B 2 I C
L04E AB
P C M I C A -
c n o e n t c r o
F L A S H
L t a h c +
4 M B
T a r s n e c v i r e
S D R A M
6 1 M B
X T A L S D R A M
d g i
X D E S C R
G 1 A - d u o i
n a
c e d o r e
a d u o i
D A C
G 2 V - d i o e
p i r
c e d o r e
R G
O S D
C V
O J O
r o
x 3 8 x x
1 R E S E T R S 2 2 3
s c e
C V
R S
T T L R / S 2 2 3
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9. EN 79
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