Sharp DV-600S Service Manual page 19

• Block Diagram
DVdd
DVss
DVIA [7:0]
DVIB [7:0]
A/B_sel
TP
Clock
Chip A
Reset
PAL/NTSC
11-2. IC301 IX1461GE
Pin No. Terminal name
1 EIN
2 GND1
3 S/DUAL
4 AIN
5 BIN
6 CIN
7 DIN
8 VrefIN
9 FIN
10 GAINsel1
11 VCC1
12 GAINsel2
13 FOUT
14 EOUT
15 DOUT
16 COUT
17 BOUT
18 AOUT
19 VCC2
20 RFPOUT
21 RFNOUT
22 MIXIN
23 MIXOUT
24 GND2
• Mode selection table
Single layer/dual layer selection
Layer S/DSEL (Terminal 3)
Single L, OPEN
Dual H
48
Sync_generator
30 37, 57
38, 56
28
CGMS,
WSS gen
0
H, V
Y
39~46
demux
52~55, 58~61
0
Cb
0
Cr
51
62
29
26
31
I2C/SPI
32
33 34 35 36
RF PRE AMP.
I/O
I RF signal input. Input of RF signal output of optical pickup.
– Ground
I Single layer/dual layer selection signal input.
I RF signal input. Input of RF signal output of optical pickup.
I RF signal input. Input of RF signal output of optical pickup.
I RF signal input. Input of RF signal output of optical pickup.
I RF signal input. Input of RF signal output of optical pickup.
I Reference voltage input. (2.1V)
I RF signal input. Input of RF signal output of optical pickup.
I Amp gain selection input 1.
– Power terminal. (5.0V)
I Amp gain selection input 2.
O RF signal output. Input RF signal is current-voltage-converted and output.
O RF signal output. Input RF signal is current-voltage-converted and output.
O RF signal output. Input RF signal is current-voltage-converted and output.
O RF signal output. Input RF signal is current-voltage-converted and output.
O RF signal output. Input RF signal is current-voltage-converted and output.
O RF signal output. Input RF signal is current-voltage-converted and output.
– Power terminal. (5.0V)
O Data read signal output. The same phase as MIXIN.
O Data read signal output. Reverse phase with respect to MIXIN.
I Data read signal input.
O Data read signal output.
– Ground
Amp gain
0dB
+10dB
49 50
copy
bus
protection
BG
CC_gen
0
off_set
0
0
Modulator
0
subcarrier
gen
0
0
RGB matrix
0
bus
TEST
MC44724/5A
27
Operation function
Amp. gain selection
GAINsel1 (Terminal 10)
L
H, OPEN
L
H, OPEN
11-2
22 19 25
6
Y/G 1Vdd
3
CVBS/Cb/B 1Vdd
9
C/Cr/R 1Vdd
4
Y/G 1
5
Y/G 1
1
CVBS/Cb/B 1
2
CVBS/Cb/B 1
7
C/Cr/R 1
8
C/Cr/R 1
12
Vref 1
11
Ibias 1
20
Y/G 2
21
Y/G 2
17
CVBS/Cb/B 2
18
CVBS/Cb/B 2
23
C/Cr/R 2
24
C/Cr/R 2
14
Vref 2
15
Ibias 2
10 13
GAINsel2 (Terminal 12)
L
L
H, OPEN
H, OPEN
DV-600S
DV-600H
Amp gain
+6dB
-2dB
+2dB
-6dB