Toshiba TLP411E Technical Training Manual page 72

Pin
Name
No.
1 FSW High speed switch 2 input
2
2 R Red input 2
2
3 G Green input 2
2
4 B Blue input 2
2
5 V Power supply voltage
P
6 - (B - Y) Color difference input - (B - Y)
7 - (R - Y) Color difference input - (R - Y)
8 Y Luminance input
9 GND GND
10 R Red input 1
1
11 G Green input 1
1
12 B Blue input 1
1
13 FSW High speed switch 1 input
1
14 SC Sandcastle pulse input
FSW1
C
R
1 10nF
10
L
G
1 10nF
11 A
B
1 10nF
M
12
P
C
R
2 10nF
2
L
G
2 10nF
3 A
B
2 10nF
M
4
P
SELECTOR
C
–(B–Y) 10nF
R
PAL/SECAM
6
L
–(B–Y)
10nF
G
7
A NTSC
Y
Y 47nF 0.45V B
M
8 MATRIX
1.43V
P
NMEN
CONTROL REGISTERS
TDA4780
Table 7-4 Terminal function of TDA4780
Function
FSW2
Peak dark
YHUE
storage
Y-output
hue adjust
1 F output
13 1
18 26 9
YEXH
INPUT
HUE
BAND GAP
ADJUST
REFERENCE
Y Y
Y
gamma
Y-MATRIX
BL BL
ADAPTIVE
GAMMA
Y BLACK
R
COLOR
ADBL
G
DIFFERENCE
R-Y
B
MATRIX
G-Y
B-Y
8 DATA 6 DATA
DIGITAL ANALOG CONVERTERS
UGAP
V
2
BREN
I C-BUS
RECEIVER
SC5
SAND CASTLE
DETECTOR
DELOF
28 27 14
Sand castle input
SCL SDA SC
2
I C-bus
Fig. 7-14 Block diagram of TDA4780
Pin
Name
No.
15 BCL Equal beam current limit input
16 C Memory capacitor for peak limit
PDL
Memory capacitor for leakage current
17 CL
compensation
18 C Memory capacitor for peak dark
POST
19 CI Cut-off measurement input
20 B Blue input
O
21 C Blue cut-off memory capacitor
G
22 G Green output
O
23 C Green cut-off memory capacitor
G
24 R Red output
O
25 C Red cut-off memory capacitor
R
26 YHUE Y output/hue adjustment output
2
27 SDA I C bus serial data input/check output
2
28 SCL I C bus serial clock input
Peak drive
V -BV
P Average
limiting strage
beam
current
200
limiting 1 F
input
16
5 15
PEAK DRIVE
AVERAGE
LIMITER
BEAM
ABSOLUTE LEVEL
CURRENT
LIMITING
RELC
SUPPLY
PEAK DRIVE
MINIMUM
LIMITER
DETECTOR
CUT-OFF RELATED
TCPL RELC
UGAP
VOLTAGE VOLTAGE
COMPARATOR COMPARATOR
R R R
SATURATION CONTRAST BRIGHTNESS
G G G
ADJUST
ADJUST B ADJUST B B
MOD2
BLUE
STRETCH
BLST
REGISTERS
CL
1ST AND 2ND
TIMING
HV
SWITCH-ON
GENERATOR
(H) DELAY
Leakage storagee
7-10
Function
TDA4780
WHITE
R
OUTPUT
POINT
BUFFER
ADJUST
BLANK MP
WHITE
G
OUTPUT
POINT
BUFFER
ADJUST
BLANK MP
WHITE
OUTPUT
B B
POINT
BUFFER
ADJUST
MP
BLANK
CUT-OFF OUTPUT
CONTROL CLAMP
LEAKAGE
CURRENT
COMPARATOR
UGAP
21 23 25
17
220nF 220nF 220nF
330nF
Cut-off storage
24
R
O
22
G
O
20
B
O
Leakage and
cut-off
current input
19
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