Akai DV R3300SS Service Manual page 36

Dvd home theatre system
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U12 AT24C01A/S-24C01BFJ
Vss
Vcc
Chip Address
Control
Logic
Start/
Stop
Logic
Serial
SCL
Control
Logic
SDA
IC402 TC9257F
PSC
FM
L
AMP
14
FM
HF
H
13
MODE LF
FM
4
REFERENCE COUNTER
1ms
OSC
8
TEST
24
4
4
WP
Programming
Control
H.V.Pump
Address
X
EEPROM
Logic
DEC
Page Logic
YDEC
Dout/ACK
12
15
4
OT4
5
5
22
10
AMP
AMP
GATE
67
U2 BA5983FM
28
27
26
25
24
23
22
+
-
-
+
20k
10k
10k
10k
10k
10k
+
+
-
-
2
5
6
7
1
3
4
U11 ZR36705TQC
RAM (8Kbytes)
Bit search module
3
DREQ0 to
/
DREQ2
DMA controller
3
DACK0 to
/
(8ch)
3
DACK2
/
EOP0 to
EOP2
Bus converter (32bits-16bits)
X0
X1
Clock control unit
RSTX
(Watchdog timer)
HSTX
6
INT0 to
/
Interrupt control
INT5
unit
NMIX
4
AN0 to AN3
/
AVcc
10-bit
AVss/AVRL
A/D converter
AVRH
(4 ch.)
ATGX
3
SI0 to SI2
/
3
SO0 to SO2
/
UART (3ch)
3
SC0 to SC2
/
Reload timer (3ch)
Port D,E,F
STRBIN
DVDSOS
A/V I/F port
STREQ/
DRVVLD
21
20
19
18
17
16
15
10k
10k 10k
-
-
+
+
-
+
+
STAND BY
20k
CH 4
10k
level
shift
level
shift
level
shift
level
shift
STAND BY
10k
CH1/2/3
10k
-
+
+
-
+
+
-
10k 10k
10k
8
9
10
13
11
12
14
CPU
Bus converter
(Harvard _ Princeton
16
/
D16 to D31
25
/
A00 to A24
RDX
2
/
Bus
WR0X,WR1X
RDY
controller
CLK
BRQ
BGRNTX
6
/
CS0X to CS5X
RAS0
RAS1
CS0L
DRAM
CS0H
controller
CS1L
CS1H
DW0X
DW1X
Port0 to port B
RAM(2Kbytes)
Flash memory
(510KB)
68
10k
-
10k
10k
-
10k

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