Classe Audio CD-DVD-1, Service Manual

Page: 29 / 44

30 ASD-1 6. Block diagrams
Didital
7504
ST24E32M6
7505
7612-7618
7611
SERVICE
RESETN
-8Vstby
7600
7503
STi5505
SERVICE
4
I/O
OSD
DECODER
ENCODER
CONTROLLER
I2C SDRAM CONTROLLER
PROGRAMMABLE
VIDEO
AUDIO
MPEG DECODER
DEMULTIPLEXER
MEMORY INTERFACE
HOST
ST20
UART UART
INTERFACE
FRONT END
16Mb
B_SYNC
B_FLAG
B_BCLK
B_DATA
B_WCLK
B_V4
1501
STB_CONT
AM29LV160BT
7401
MK2742
7616
SEL_ACLK
CTS_SER
RTS_SER
RXD_SER
TXD_SER
4
SUR
CFR
RXD_BE
TXD_BE
S2B
4
I2S
6
1602
1600
TO/FROM
DISPLAY
BOARD
A/V-MUX
INTERFACE
SERIAL
SUPPLY
POWER
STB_CONT
+6Vstby
+5Vstby
+5V
+3V3
SYNTHESIZER
FLASH
CLOCK
27 MHz
1603
MUTE
MUTE_AV
SCART
0_6_12V
DEEM[0:1]
P50
6
-5V
+5V
R/C
G
B/CVBS
CVBS/Y
TO/FROM
CONN.
CONN.
CONN.
CONN.
0/6/12V
SERVICE
+12Vstby
7608,7609,7610
7604, 7607
AUDIO
VIDEO
SUBPICTURE
3V3
5V
VIDEO
FILTER
BUFFER
2
4
SCART[0:1]
MUTE
SCLK
PCM_OUT0
PCM_CLK
LRCLK
SPDIF_OUT
R_OUT
G_OUT
B_OUT
C_OUT
CVBS_OUT
Y_OUT
2
4
3
1604
CONN.
BOARD
A/V-MUX
TO
2
OPTION
+12Vstby
+3V3
+6Vstby
-8Vstby
HSYNC
PCMout1
PCMout2
Y - C
EEPROM
DIG_OUT
BCLK
DATA
ACLK
WCLK
SDA
SCLK
2
2
2
2
SDA
SCLK
SCLK
SDA
7405
SDRAM
7404
MT48LC1M16A1TG -7S
16Mb
SDRAM
16Mb
SDRAM INTERFACE
SYSTEM DATA BUS SYSTEM ADDRESS BUS SYSTEM CONTROL BUS
CVBS
RGB
S-VHS
DIG. OUT
PCM (3X)
I2C
4268_136
2012
TO /FROM
MACE2
(DIAGRAM 2)
FROM
HD61 DECODER
(DIAGRAM 3)
ASD1 BOARD DIGITAL PART
P50
PCM__CLK
MT48LC1M16A1TG-7S
RSTN
5
4
6
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