Sharp LC-40LE630E Service Manual

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LC-32LE63x
LC-40LE63x
LC-46LE63x
8.13 Diagram DVBS supply B08B, LNBH23Q (IC 7T50)
Figure 8-13 Internal block diagram and pin configuration
18770_306_100217.eps
100217
Block diagram
Pinning information
SDA SCL
LNBH23
ADDR
A-GND
IC Diagnostics
IC interface
DSQIN
Vup
VoRX
VoTX
LX
22KHz
Oscill.
PWM Controller
Rsense
EN
VSEL
Linear Post-reg
+Modulator
+Protections
+Diagnostics
ITEST
TTX
EN
VSEL
VOUT Control
EXTM
P-GND
Preregulator
+U.V.lockout
+P.ON reset
BypVcc Vcc- LISEL TTX
TEN
DSQOUT
DETIN
22KHz Tone
Amp. Diagn.
22KHz Tone
Freq. Detector
TTX
VCTRL
SDA SCL
LNBH23
ADDR
A-GND
IC Diagnostics
IC interface
DSQIN
Vup
VoRX
VoTX
LX
22KHz
Oscill.
22KHz
Oscill.
PWM Controller
Rsense
EN
VSEL
Linear Post-reg
+Modulator
+Protections
+Diagnostics
ITEST
TTX
EN
VSEL
VOUT Control
EXTM
P-GND
Preregulator
+U.V.lockout
+P.ON reset
BypVcc Vcc- LBypVcc Vcc- LISEL TTX
TEN
DSQOUT
DETIN
22KHz Tone
Amp. Diagn.
22KHz Tone
Freq. Detector
TTXTTX
VCTRL
1n.c.
2n.c.
3 n.c.
4LX
5P-GND
6 S DA
7n.c.
8 n.c.
9 S CL
10 ADDR
11 DS Qout
12 DS QIN
13 EXTM
14 TTX
15 BYP
16 n.c.
17 n.c.
18 Vcc-L
19 Vcc
20 A-GND
21 VoRX
22 VoTX
23 n.c.
24 n.c.
25 n.c.
26 n.c.
27 Vup
28 IS EL
29 DETIN
30VCTRL
31n.c.
32n.c.
Connected with power grounds and to
the ground layer through vias
to dissipate the heat.
Epad
IC Data Sheets (continued)

Sharp LC-40LE630E Specifications

General

Brand	Sharp
Model	LC-40LE630E
Category	TV
Language	English