12
15” TFT TV Service Manual
SYMBOL
AV
STEREO
AV STEREO
NO AUDIO
DSP
MONO
DESCRIPTION
XTALIN
10
10
10
crystal oscillator input
XTALOUT
11
11
11
crystal oscillator output
VSSA1
12
12
12
ground
VGUARD/SWIO
13
13
13
V-guard input / I/O switch (e.g. 4 mA current
sinking capability for direct drive of LEDs)
DECDIG
14
14
14
decoupling digital supply
VP1
15
15
15
1
st
supply voltage TV-processor (+5 V)
PH2LF
16
16
16
phase-2 filter
PH1LF
17
17
17
phase-1 filter
GND1
18
18
18
ground 1 for TV-processor
SECPLL
19
19
19
SECAM PLL decoupling
DECBG
20
20
20
bandgap decoupling
EWD/AVL
(1)
21
21
21
East-West drive output or AVL capacitor
VDRB
22
22
22
vertical drive B output
VDRA
23
23
23
vertical drive A output
VIFIN1
24
24
24
IF input 1
VIFIN2
25
25
25
IF input 2
VSC
26
26
26
vertical sawtooth capacitor
IREF
27
27
27
reference current input
GNDIF
28
28
28
ground connection for IF amplifier
SIFIN1/DVBIN1
(2)
29
29
29
SIF input 1 / DVB input 1
SIFIN2/DVBIN2
(2)
30
30
30
SIF input 2 / DVB input 2
AGCOUT
31
31
31
tuner AGC output
EHTO
32
32
32
EHT/overvoltage protection input
AVL/SWO/SSIF/
REFO/REFIN
(2)(3)
33
33
33
Automatic Volume Levelling / switch output /
sound IF input / subcarrier reference output /
external reference signal input for I signal mixer for
DVB operation
AUDIOIN5
-
-
34
audio 5 input
AUDIOIN5L
34
34
-
audio-5 input (left signal)
AUDIOIN5R
35
35
-
audio-5 input (right signal)
AUDOUTSL
36
36
-
audio output for SCART/CINCH (left signal)
AUDOUTSR
37
37
-
audio output for SCART/CINCH (right signal)
DECSDEM
38
38
38
decoupling sound demodulator
QSSO/AMOUT/AUDEEM
(2)
39
39
39
QSS intercarrier output / AM output / deemphasis
(front-end audio out)
GND2
40
40
40
ground 2 for TV processor
PLLIF
41
41
41
IF-PLL loop filter
SIFAGC/DVBAGC
(2)
42
42
42
AGC sound IF / internal-external AGC for DVB
applications
DVBO/IFVO/FMRO
(2)
43
43
43
Digital Video Broadcast output / IF video output /
FM radio output
Содержание 15LD2200
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Страница 48: ...46 15 TFT TV Service Manual 17MB18 2 002 ...
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Страница 52: ...50 15 TFT TV Service Manual 7 2 Keypad Schematics 17TKXX ...
Страница 53: ...51 15 TFT TV Service Manual 7 3 IR LED Board Schematics 17LDXX ...
Страница 54: ...52 15 TFT TV Service Manual 7 4 Remote Controller Schematics 11UK10 2 ...
Страница 55: ...QTY DESCRIPTION NO ...
Страница 57: ...THE UPDATED PARTS LIST FOR THIS MODEL IS AVAILABLE ON ESTA ...