Read Sharp LC-32P70E (serv.man10) Service Manual online
74
LC-26GA5E
LC-32GA5E
LC-26P70E
LC-32P70E
LC-37P70E
2.3. IC301, IC302 (VHITDA8931T-1Y)
2.3.1. Block Diagram
9397 750 13847
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Preliminary data sheet
Rev. 01 — 14 January 2004
3 of 31
Philips Semiconductors
TDA8931
Power comparator 1
× 20 W
6. Block diagram
Fig 1. Block diagram
001aab807
TDA8931
UVP
HEAT SPREADER
CONTROL
comparator
CONTROL
DRIVER
HIGH
STABILIZER
12V
BOOT
V
V
DDP
17
18
18
OUT
16
V
SSP
15
STABI
V
SSD
V
DDP
V
SSP
14
HVP
13
V
DDP
V
SSP
HVPI
19
DIAG
8
12
1
10
11
20
V
SSD
V
SSD
V
SSD
V
SSD
DRIVER
LOW
OVP
OVP
9
CGND
7
ENABLE
6
POWERUP
3
INN
4
INP
OCP
OTP
2
V
SSA
5
V
DDA
ODP
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