Ic Block Disgrams & Ic Pins Description - Akai DV-R4000SS Service Manual

VOLTAGE CHART - CONTINUED
IC402 (TC9257F)
PIN'S NUMBER 1 2 3
AM 2.45 2.47 4.29 4.29
FM 2.38 2.41 4.97 4.97
PIN'S NUMBER 11 12 13 14
AM 4.97 4.97 0 2.43
FM 0 0 0 2.36
4 5 6 7 8 9
0.01 0.14 0.02 0.11 0.02
0 0.14 0 0.11 0
15 16 17 18 19
0 2.44 1.44 1.37 1.15
0 2.36 0.17 0.17 0.76
61
IC606 BU4551BF
10
0.02
W 1
1
0
20
2
X
0
1.14
1.08
3
X
1
X 4
5
Y
6
Y
0
V 7
EE
8
Vss
U14 ZR36707TQC
DREQ0 to
DREQ2
DACK0 to
DACK2
EOP0 to
EOP2
X0
X1
RSTX
HSTX
INT0 to
INT5
NMIX
AN0 to AN3
AVcc
AVss/AVRL
AVRH
ATGX
SI0 to SI2
SO0 to SO2
SC0 to SC2
STRBIN
DVDSOS
STREQ/
DRVVLD
IC BLOCK DIAGRAMS & IC PINS DESCRIPTION
U11, U12, U13 LS4580F
16
V
DD
A OUT
15
W
0
W
1
X W
0 0
14
W A -IN
X W
1
13
Z
X Z
Y Z
1
A +IN
12
Z
1
Y
0 Z
0
V
EE Y
1
11
Z
0
CONTROL V -
10 Y
1
CONTROL
9
CPU
RAM (8Kbytes)
Bit search module
3
/ (Harvard _ Princeton
DMA controller
3
/
(8ch)
3
/
Bus converter (32bits-16bits)
Clock control unit
(Watchdog timer)
6
/
Interrupt control
unit
4
/
10-bit
A/D converter
(4 ch.)
3
/
3
/ UART (3ch)
3
/
Reload timer (3ch)
Port D,E,F
A/V I/F port
62
V +
1 8
2 7
B OUT
A
B
3 6 B
-IN
4 B +IN
5
Bus converter
16
/
D16 to D31
25
/
A00 to A24
RDX
2
/
WR0X,WR1X
Bus
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)