Circuit Description
Samsung Electronics
13-5
S1/S2- Y
S1/S2- C
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TEA6425
TEA6425
Y/C SW
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Tr Buffe r
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Aud io SW
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Co m p 1- L/R
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MSP44XX
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Mo n- L/Ro ut
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PCM1802
IC116
STA323W
(IC110)
MP1583DN
DCDC Blo c k
BD106
BD109
A
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B
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3
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MP1583DN
DCDC Blo c k
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MP1583DN
DCDC Blo c k
MP1583DN
DCDC Blo c k
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Tr Buffe r
Blo c k
Tr Buffe r
Blo c k
Co m p 1- Y/Pb /Pr- In
Co m p 2- Y/Pb /Pr- In
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Mo n- Vo ut
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V1/V2- DET
S1/S2- DET
Co m p 1/2- DET
Sid e - V/S- DET
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LM317SX
B
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LM317SX
(IC102,adj)
(IC117,adj)
A
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MIC39102
12VA
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78D05
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78RM33
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12.288MHz
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F
Xille o n CPU
o n Dig ita l Bo a rd
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USB fo r Service
(in CN125)
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P
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B
S
U
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N
-
B
S
U
(IC112)
(IC124)
(IC122)
(IC118)
(IC101)
MICOM
S3F84BB
(IC108)
(IC119)
(IC113)
(IC104,adj)
(IC111)
(IC107)
(IC106)
(IC105)
(IC100)
13-2-3 Analog Board Block Description
■
Analog Video Signal Processing
■
Select Sound/Video
One is selected from multiple inputs by the switching ID. MICOM decides which port is used for output.
For broadcasting signals, sub-outputs are transferred in CVBS and, the main outputs in Y/C through the 3D Comb, to the digital
board.
Sound signals are selected by the switching IC, of which only one input is transferred to the speaker.
■
Detection Signal Flow
When each port is connected to a signal cable, the detection signal is "low" and can be checked by Micom scanning.
www.freeservicemanuals.info
9/13/15
Published in Heiloo, Holland.