Block Diagram - Philips DVDR3590H Service Manual

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EN 138 8. 3139 785 32804
IC7500 – SAA7136AE – MULTISTANDARD AUDIO/VIDEO DECODER

BLOCK DIAGRAM

IN1_Left
Analog
IN1_Right
IN2_Left NF/Audio
IN2_Right
Front End
IN3_Left
IN3_Right
2
I S
I 2 S
SPDIF
Sound
Audio
SAICO
Inputs
Analog Sound Input
SSIF Control Unit
AUX Inputs
M
FSW
AV
U
D-C
X
SSIF & RGB (**) /YP
AI40P
Analog
AI40N
AI41
Video
AI42
Front End
AI43
S-video
Analog
AI31
AI32
Video
AI33
Front End
Video
CVBS
Inputs
Analog
AI21
AI22
Video
AI23
Front End
CVBS
AI11
Analog
AI12
Video
AI13
(*)
IF_POS Front End
(*)
IF_NEG
low IF
Low IF
Digital
Data
Inputs
DI_A_x
DI_B_x
Dig. Video IN
DI_E_x
Remote Control
IR in
Receiver
TS data
Port A
(DI_A_x)
Port B
(DI_B_x)
(*) only SAA7136E, (**) only SAA7136E/AE/DE,
only SAA7136E/AE/BE
(***)
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IC Internal Block Diagrams
Stereo
BUFFER
Format
16-bit
conversion
Stereo ADC
Sound Decoder
Dual FM/NICAM
BTSC
EIAJ
VIP_Host_Audio
FSW
3-Bit
AV/DC
ADC Status bits
P
b r
10-Bit
Video
ADC
NAICO
10-Bit
Video
ADC
Analog
Video
10-Bit
Input
Video
ADC Control
Unit
10-Bit
Video
ADC
Digital
IF (*)
VIP_Host_Audio
TS/PS In
VIP Host Port with
TS - Out & Audi - In
Programming and Control Ports
Fig.2 System Block Diagram of SAA7136
DSP
(***)
dBx expander
Volume control
Bass, Treble and
Balance
SRC
Incredible Sound
VBI Slicer
Digital Video
Comb Filter
Soft
Decoder
Mixer
8-bit/
10-bit
Component
Processing
SDTV/HD
H,V
Sync.
Processing
I 2 C
Programming
read back Register Array
Initiator
2
VIP Host I C Slave
2
I C Bus Silent
I 2 C Bus
Figure 8-8
OUT1_Left
OUT1_Right
Audio
Audio
Stereo
Output
Stereo
MUX
DACs
2
2 I S
I S
2
2 I S
I S
SPDIF
SPDIF
VIP
audio
Port D
Video Scaler
Scaler Event Handler
Task B
S
C
RAW VBI
P
A
D
O
L
Task A (Video)
C
S
Dig.
E
T
R Video
I
V-
H-
Output
Scaler
PRE
Scaler EDDI
Scaler PLL
Port C
Video
DAC
Audio
DAC
PHI
FIFO
IRQ &
Main Control
Remote Control
Transmitter
PHI
PHI Bus
OUT2_Left
OUT2_Right
Sound
Audio
Outputs
VIP
Video
DVO_D_X
Digital
Video
Output
Ports
ITU
VMI
DVO_C_X
CVBS (*)
V_IOUTP
V_IOUTN
SSIF (*)
S_IOUTP
S_IOUTN
INT_A
IR out