22
63
22
-
19
14
NC
LV
Not connected
64
21
19
18
13
NC
LV
Not connected
65
20
18
17
12
I2S_DA_IN2
IN
LV
I
2
S2-data input
66
19
17
16
11
DVSS
X
Digital ground
-
-
-
15
-
DVSS
X
Digital ground
-
-
-
14
-
DVSS
X
Digital ground
67
18
16
13
10
DVSUP
X
Digital power supply 5V
-
-
-
12
-
DVSUP
X
Digital power supply 5V
-
-
-
11
-
DVSUP
X
Digital power supply 5V
68
17
15
10
9
ADR_CL
OUT
LV
ADR clock
14.14.TL431
14.14.1.Description
The TL431 is a 3-terminal adjustable shunt voltage regulator providing a highly accurate 1 % band gap
reference. TL431 acts as an open-loop error amplifier with a 2.5V temperature compensation reference.
The TL431 thermal stability, wide operating current (150mA) and temperature range (0.to 105.makes it
suitable for all variety of application that are looking for a low cost solution with high performance. The
output voltage may be adjusted to any value between VREF and 36 volts with two external resistors.
The TL431 is operating in full industrial temperature range of 0°C to 105°C. The TL431 is available in
TO-92, SO-8, SOT-89 and SOT23-5 packages.
14.14.2.Features
• Trimmed Band gap to 1%
• Wide Operating Current
1mA to 150mA
• Extended Temperature Range
0. °C to 105.°C
• Low Temperature Coefficient
30 ppm /°C
• Offered in TO -92, SOIC, SOT-89, SOT-23-5
• Improved Replacement in Performance for TL431
• Low Cost Solution
14.14.3.Pin Configurations
14.15.TDA9885/86
14.15.1.Introduction
The TDA9885 is an alignment-free single standard (without positive modulation) vision and sound IF signal
PLL. The TDA9886 is an alignment-free multi standard (PAL, SECAM and NTSC) vision and sound IF signal
PLL. Both devices can be used for TV, VTR, PC and set-top box applications.
14.15.2.Features
•
5 V supply voltage
•
Gain controlled wide-band Vision Intermediate Frequency (VIF) amplifier (AC-coupled)
•
Multistandard true synchronous demodulation with active carrier regeneration (very linear demodulation,
good intermodulation figures, reduced harmonics, excellent pulse response)
•
Gated phase detector for L/L accent standard
•
Fully integrated VIF Voltage Controlled Oscillator (VCO), alignment-free; frequencies switchable for all
negative and positive modulated standards via I
2
C-bus
•
Digital acquisition help, VIF frequencies of 33.4, 33.9, 38.0, 38.9, 45.75 and 58.75 MHz
Содержание 29VH27E
Страница 1: ...SERVICE MANUAL PRINTED IN UK 2003 C COLOURTELEVISION 29VH27E TOSHIBA 050 200332 AK52 Chassis ...
Страница 2: ...SM52 DRX_IF ...
Страница 5: ...iii 16 3 VIDEO ALIGNMENTS 33 16 4 SERVICE ALIGNMENTS 34 17 BLOCK DIAGRAM 36 18 CIRCUIT DIAGRAMS 37 ...
Страница 42: ...37 18 CIRCUIT DIAGRAMS 11ak52e3 VIDEO ...
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