21
46
38
32
38
30
CAPL_A
X
Volume capacitor AUX
47
37
31
37
29
SC1_OUT_L
OUT
LV
SCART output 1, left
48
36
30
36
28
SC1_OUT_R
OUT
LV
SCART output 1, right
49
35
29
35
27
VREF
X
Reference ground 1
50
34
28
34
26
SC2_OUT_L
OUT
LV
SCART output 2, left
51
33
27
33
25
SC2_OUT_R
OUT
LV
SCART output 2, right
52
-
-
32
-
NC
LV
Not connected
53
32
-
31
24
NC
LV
Not connected
54
31
26
30
23
DACM_SUB
OUT
LV
Subwoofer output
55
30
-
29
22
NC
LV
Not connected
56
29
25
28
21
DACM_L
OUT
LV
Loudspeaker out, left
57
28
24
27
20
DACM_R
OUT
LV
Loudspeaker out, right
58
27
23
26
19
VREF2
X
Reference ground 2
59
26
22
25
18
DACA_L
OUT
LV
Headphone out, left
60
25
21
24
17
DACA_R
OUT
LV
Headphone out, right
-
-
-
23
-
NC
LV
Not connected
-
-
-
22
-
NC
LV
Not connected
61
24
20
21
16
RESETQ
IN
X
Power-on-reset
62
23
-
20
15
NC
LV
Not connected
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
Summary of Contents for 29VH27E
Page 1: ...SERVICE MANUAL PRINTED IN UK 2003 C COLOURTELEVISION 29VH27E TOSHIBA 050 200332 AK52 Chassis ...
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