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IC & TRANSISTOR LEAD IDENTIFICATION (continued)
TA7640AP BLOCK DIAGRAM
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11
10
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8
LA4192 BLOCK DIAGRAM
Preamp GND
IN1
NF1
BS1
OUT!
Vcc
7
8
9
10
1
12
pont {we _}-3-4-4-
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10k
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Shock Noise
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Protection
Output
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Circuit
AMP 1
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50
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DC
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Power Amp GND
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BTL OUT
M51544L BLOCK DIAGRAM
-4]
Ey
:
8
NF()
= INPUT (L) OUTPUT (R)
GND
ALC
Vec
OUTPUT (L) INPUT (R)
NF {R)
Filter
4
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