DAEWOO ELECTRONICS DV 115, Service Manual

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8. Internal Block Diagram of ICs
DV-115/125
SCL/CCLK SDA/CDIN VD
FL
LRCK
SCLK
SDIN1
SDOUT
S
E
R
IAL
AUDIO
CONTROL PORT
D
IG
IT
A
L
FI
LT
ER
S
ANAL
OG
L
O
W
P
ASS
A
N
D
OUT
P
U
T
S
T
AGE
VA
FR
AINL+
AINL-
SDIN2
MCLK DGND
SL
SR
AINR+
AINR-
LEFT ADC
SDIN3
MUTEC AD0/CS RST
FILT
CENTER
SUB
D
IGIT
AL
F
IL
T
E
R
S
DAT
A INT
ERF
ACE
VL
RIGHT ADC
AGND
WIT
H
D
E
-E
M
P
HASIS
DAC #1
CLOCK MANAGER
MUTE CONTROL
DAC #2
DAC #3
DAC #4
DAC #5
DAC #6
DIGITAL VOLUME
DIGITAL VOLUME
DIGITAL VOLUME
DIGITAL VOLUME
DIGITAL VOLUME
DIGITAL VOLUME
DGND AGND
CS4228A
Serial Audio Data In 3 SDIN3 SUB Analog Out #6,Subwoofer
Serial Audio Data In 2 SDIN2 CENTER Analog Out #5, Center
Serial Audio Data In 1 SDIN1 SR Analog Out #4, Surround Right
Serial Audio Data Out SDOUT SL Analog Out #3, Surround Left
Serial Clock SCLK FR Analog Out #2, Front Right
Left/Right Clock LRCK FL Analog Out #1, Front Left
Digital Ground DGND AGND Analog Ground
Digital Power VD VA Analog Power
Digital Interface Power VL AINL+ Left Channel Analog Input+
Master Clock MCLK AINL- Left Channel Analog Input-
SCL/CCLK SCL/CCLK FILT Internal Voltage Filter
SDA/CDIN SDA/CDIN AINR- Right Channel Analog Input-
AD0/CS AD0/CS AINR+ Right Channel Analog Input+
Reset RST MUTEC Mute Control
1
2
3
4
5
6
7
8
9
10
11
12
5
1
2
6
24
23
22
21
20
19
18
17
16
15
14
13
25
26
27
28
Host Bus Interface
(HBI)
AV Port Interface
(APB)
ATAPI Interface
(AIB)
Data in (16)
DMA Data Request
Data out (8)
Data out strobe
DVDDAT (8)
DVDSTB
DVDVALID
DVDERR
DVDSOS
Data in strobe
AV Data Request
DVDREQ
ATCS (2)
ATDA (3)
ATDD (16)
ATINTRQ
ATDIOW#
ATDIOR#
HB Read Data (
16)
HB Write Strobe HB Read Strobe
HB Write Data (
16)
DRV_IRQ#
RESET
#
Cycle Complet
e
ATRESET#
DMA Controller & 16 to 8 bit
converter
(DMC)
ATIORDY
SSC_
ATN#
SSC_
MT
SR
SS
C_
C
L
K
SSC_
MRST
End of transfer
DMA Enable (Start / Stop)
DMA Clear
Counter Read Number (16)
End of transfer
DMA Enable (Start / Stop)
Counter Write Command
HB Write Data (16)
HBF
HB A
d
dress (4
)
ZR36701
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