Sanyo FISHER DVD-1500 AU, Руководство по обслуживанию

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IC BLOCK DIAGRAM & DESCRIPTION
IC002 ADV7172KST
(PAL and NTSC square pixel operation)
POWER
MANAGEMENT
CONTROL
(SLEEP MODE)
CGMS & WSS
INSERTION
BLOCK
TELETEXT
INSERTION
BLOCK
4:2:2 TO
4:4:4
INTER-
POLATOR
YCrCb
TO
YUV
MATRIX
ADD
SYNC
INTER-
POLATOR
INTER-
POLATOR
ADD
BURST
PROGRAMMABLE
LUMINANCE
FILTER
PROGRAMMABLE
CHROMINANCE
FILTER
VIDEO TIMING
GENERATOR
I C MPU PORT
2
REAL-TIME
CONTROL
CIRCUIT
SIN/COS
DDS BLOCK
VOLTAGE
REFERENCE
CIRCUIT
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
10-BIT
DAC
YUV TO
RBG
MATRIX
M
U
L
T
I
P
L
E
X
E
R
U
U
10
10
10 10
10
10
10
10
10
10
10
10
V V
8 8 9
8
8
9
8 8 8
8 8 8
44 23 24 18 35
32
31
26
27
37 36
22
16
15
17
34
33
25
Y
1,11,20,28,30
4-2
43-38
14-12
9-5
10,19,29,43
Vss
CLOCK
DATA
P7-P0
P15-P8
RESET
HSYNC
FIELD/VSYNC
BLANK
CLOCK SCLOCK SDATA ALSB SCRESET/RTC GND
COMP
DAC A(PIN 32)
GAC B(PIN 31)
DAC C(PIN 26)
DAC D(PIN 27)
R
SET
V
REF
TTXREQ TTX
IC003 BA7660FS(3 CHANNEL 75 OHM DRIVER)
1
2
3
4
5
6
7
8
MUTE
INA
GND
INB
GND
N.C.
INC
GND
VCC
OUTA1
OUTA2
OUTB1
OUTB2
N.C.
OUTC1
OUTC2
16
15
14
13
12
11
10
9
6dB 75 Ω
6dB 75 Ω
6dB 75 Ω
IC015 MC74H174AD(HEX D-TYPE FLIP-FLOP)
1
2
3
4
5
6
7
8
RESET
Q0
D0
D1
Q1
D2
Q2
GND
VCC
Q5
D5
D4
Q4
D3
Q3
CLOCK
16
15
14
13
12
11
10
9
Inputs Output
Reset
L
H
H
H
H
D
X
H
L
X
X
Q
L
H
L
No Change
No Chenge
Clock
X
L
IC101 24LC16B/P (16K EEPROM)
Name Function
V
SS
SDA
SCL
WP
V
CC
A0,A1,A2
Ground
Serial Address/Data I/O
Serial Clock
Write Protect Input
+2.5V to 5.5V Power Supply
No Internal Connection
4
3
2
1
5
6
7
8
SDA
SCL
WP
V
CC
V
SS
A2
A1
A0
24LC
16B
IC115 PCM1723(D/A CONVERTER)
No. Name I/O DESCRIPTION
1 XT1 -
27 MHz x'tal oscillate input or external oscillator
2 SCKO O System clock output
3 VCP -
PLL power source
4 NC -
N.C
5 MCKO O Master clock buffer output
6 M L I
Software control latch
7 MC I
Software control clock
8 MD I
Software control data
9 RSTB I
Reset
10 ZERO O Zero data flag output
11 VOUTR O Rch. Analogue power output
12 GNDA -
Analogue ground
13 VCA -
Analogue power 5V
14 VOUTL O Lch. Analogue power output
15 CAP -
Output amplifier common
16 BCKIN I
Bit clock input for data
17 DIN I
Data input
18 LRCIN I
Basic sampling clock input
19 NC -
N.C
20 RSV -
N.C
21 VDD -
Digital power source 5V
22 GNDD -
Digital ground
23 GNDP -
PLL ground
24 XTO -
Crystal oscillator
IC117 T2316162A-45J(1024 x 16 DRAM)
1 2 3 4 5 6 7 8 9
10 11 12 13 14
42 41 40 39 38 37 36 35 34 33 32 31 30 29
V
SS
DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 OE CASL CASH V
SS
V
CC
DQ0 DQ1 DQ2 DQ4 DQ5 DQ6 DQ7 DQ3
NC NC
WE
V
CC
15 16 17 18 19 20 21
28 27 26 25 24 23 22
NC A7 A8 A9 A6 A5 A4 V
SS
RAS
A0
NC NC
A1 A2 A3
V
CC
SYM. TYPE DESCRIPTION
Address Input
Row Address Strobe
Column Address Stlobe /Upper Byte Control
Column Address Stlobe /Lower Byte Control
Write Enable
Output Enable
Data Input /Output
Power, 5V
Ground
No Connec
A0~A9
RAS
CASH
CASL
WE
OE
DQ0~DQ15
V
CC
V
SS
NC
Input
Input
Input
Input
Input
Input
Input/Output
Supply
Ground
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