Philips SW7100SA, Руководство по обслуживанию

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MAIN & JACK & LED BOARD
TABLE OF CONTENTS
Internal IC Diagram ........................................................... 4-1
Circuit Diagram .................................................................... 4-2
PCB Layout View ................................................................. 4-3
Electrical Part list ................................................................. 4-4
4-1 4-1
IN- 2
R2
680W
C2
22mF
C1 470nF
IN+
R1 22K
3
R3 22K
-
+
MUTE
STBY
4
VMUTE
VSTBY
10
9
SGND
MUTE
STBY
R4 22K
THERMAL
SHUTDOWN
S/C
PROTECTION
R5 10K
C3 10mF C4 10mF
1
STBY-GND
C5
22mF
7 13
14
6
15 8
-Vs -PWVs
BOOTSTRAP
OUT
+PWVs +Vs
C9 100nF C8 1000mF
-Vs
D97AU805A
+Vs
C7 100nF C6 1000mF
BUFFER DRIVER
11
BOOT
LOADER
12
5
VCLIP
CLIP DET
TDA7293 INTERNAL IC DIAGRAM