Kalley K-LED24HDT2, Руководство по обслуживанию

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5 4
3 2
1
D
C
B
A
AMPLIFER
R171
AMP-EN
L:MUTE
C144 R172 1K NC/22K
R176 200R
330PF/NC
C143 1uF
AMP-AUOUTL0
R173 0R C146 1uF
R178 10K
R180 NC/0R
AMP_PWR R186 10R
C150 1uF
C152 1uF
R187 15K
R188 6.8K
C154 1uF C156 1uF
R189 0R C157 1uF
AMP-AUOUTR0
R190 200R
R191 C159
NC/22K 330PF/NC
CN6
AMP-Lout+
J-B2.54-4P-L
TP1 1
TP2 1 AMP-Lout- 2
TP3 1 AMP-Rout- 3
TP4 1 AMP-Rout+ 4
1
AMP_PWR L17
0R/600ohm/100M/3A +12V
C139 C140 C141 C142 CE7
100nf 100nf 1nf 1nf 470uF/25V/LOWESR
U14 TPA3113D2
1
SD PVCC1
28 AMP_PWR
L27 NC
2
FAULT PVCC2
27
3
LINP BSN2
26 C145 220nF
L18 2 1 22uH
AMP-Lout+
4
LINN OUTN2
25 C147
1uF/25V
5
GAIN0 PGND2
24
L28 NC
C148 6
GAIN1 OUTN1
23
1uF/25V
7
AVCC BSN1
22 C149 220nF L19
2 1
22uH AMP-Lout-
8
AGND BSP2
21 C151 220nF L20 2 1 22uH AMP-Rout-
C153
9
GVDD OUTP2
20
L29 NC
1uF/25V 10
PLIMIT PGND1
19
11
RINN OUTP1
18 C155
L21 22uH 1uF/25V
12
RINP BSP1
17 C158 220nF 2 1 AMP-Rout+
13
NC PVCC3
16
L30 NC
AMP_PWR 14 PBTL PVCC4 15
2 9
2 9
Table:Gain Setting
GAIN0(Pin 5) GAIN1(Pin 6) AMPLIFIER GAIN INPUT IMPEDANCE
0 0 20dB 60 K
Ω
1 0 26dB 30 K
Ω
0 1 32dB 15 K Ω
1 1 36dB 9 K
Ω
H/W
D
Mute
5VAIN +12V
R174 R175
NC/0R NC
MUTE_C
3
Q17
D3 NC/1N4148 R177 NC/2.2K
1
NC/2N3906
R179 NC/3K D4 NC/1N4148 4.8V
2
R181
4.6V
R185 R184 CE8
+
NC/10K
NC/47K NC/100K NC/100uF/16V
C
Mute
L=Mute
H=Turn ON
5VAIN
+3V3STB
MUTE_C
R193
B
R208
R194 10K
1
10K
4.7K
AMP-EN
3
AMP_MUTE R195 10K 1 Q19
R196 2N3904
2
4.7K
A
5 4
3
Size Document Number Rev
Custom
SHSF3201A10-101S AMP
1
Date: Wednesday, July 30, 2014 Sheet7 of9
2
1