Sharp LC-32LD164E Service Manual page 71

INTERSIL LNB POWER SUPPLY 19/19
I
H
A
G
F
NC/4K7 1/16W 5%
B
LNB_12V
E
C
D
C
D
B
A
1 2 3
E D
LNB POWER SUPPLY
LNB_12V
L704
NC/22uH
C740
C742
NC/100N 16V NC/10uF 16V
C747
U707
NC/220NF 16V
1 16
SGND PGND
R750 NC/47NF 16V C748
2 15
BYPASS SW
LNB_12V
3 14
VDD BST
NC/470PF 50V C749 4 13
COMP VBOOST
LNB_EN
5 12
EN VOUT
LNB_LINEDROP
6 11
LINEDROP ILIMIT
7 10
POK TCAP
R704 NC/100K 1/10W 5% 13/18V_SW
8 9
13V/18V EXTM
NC/MP8126DF-LF-Z
R738
NC/100K 1/16W 5%
DVDD3V3 DVDD3V3 DVDD3V3
R743 R748
NC/10K 1/16W 5% NC/10K 1/16W 5%
LNB_EN LNB_LINEDROP
R776 R774
NC/100K 1/16W 5% NC/100K 1/16W 5%
VOUT LINEDROP: VOUT 13V/18V Select
Low: disable Low: 13.3/18.3V High: 18V
High: enable High: 14.3/19.3V Low: 13V
Compensation
MP8126
Enable Selection
Selection
E D
4 5 6 7
C
L705
D703 NC/1.0UH 4.5A
1 2
NC/FB340M
C743 C744 C746
NC/2.2uF 25V
NC/10UF 25V NC/10UF 25V
D701
NC/FB340M
C763
NC/100NF
C761
NC/22NF 25V D704
R753
NC/FB340M
NC/10K
R736
NC/39K 1/16W 5%
DISEQC_OUT
R741 Q704
NC/33R 1/16W 5% NC/MMBT3904
NC/10K 1/10W 1%
R747
NC/10K 1/16W 5%
13/18V_SW
R775
NC/100K 1/16W 5%
T P V ( Top
線 路 圖 編
號
Key Component ETHERNET RMII
Wednesday, January 22, 2014
Date
C
8 9 10
71
B
5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22
13 LNB_12V
5,6,7,8,9,10,13,14,15,17,19,20,21,22 DVDD3V3
14 TUNER_LNB
15 DISEQC_OUT
15 LNB_LINEDROP
15 13/18V_SW
14,15 LNB_EN
18 TUN_LNB
ESD & Surge
Protect
TUNER_LNB
C762
NC/100N 50V R737
NC/34.8K 1/16W 1%
TUN_LNB
R742
NC/4.99K 1/16W 1%
R739 ZD701
NC/33K 1/10W 1% NC/MM3Z3V6B
R751
Victory Electronics Co . , Ltd. ) OEM MODEL
G6173-M0A TPV MODEL
PCB NAME
715G6173-M0A
Sheet 23 of 23
B
11 12 13
LC-32LD164
LC-32LD165
LC-32LD166
A
GND
LNB_12V
DVDD3V3
TUNER_LNB
DISEQC_OUT
LNB_LINEDROP
13/18V_SW
LNB_EN
TUN_LNB A
B
C
D
Size B
Rev V0.02
<備註>
備註
A
14 15 16