LG LT66 Benutzerhandbuch Seite 64

P4R_GLOBAL_TUNER_BLOCK
TU1400
TDSS-G101D
SI2176_DVB_1INPUT_H
NC
1
RESET
2
SCL
3
SDA
4
+3.3V
5
SIF
6
+1.8V
7
CVBS
8
IF_AGC
9
D I F [ P ]
10
DIF[N]
11
12
SHIELD
R1400
0
R1401
0
C l o s e t o t h e t u n e r
TUNER MULTI-OPTION
TU1400-*1 TU1400-*2
TDSS-H101F TDSS-G201D
NC NC_1
1 1
RESET RESET
2 2
SCL SCL
3 3
SDA SDA
4 4
+B1[3.3V] +B1[3.3V]
5 5
SIF NC_2
6 6
+B2[1.8V] +B2[1.8V]
7 7
CVBS NC_3
8 8
IF_AGC IF_AGC
9 9
D I F [ P ] D I F [ P ]
10 10
DIF[N] DIF[N]
11 11
12 12
SHIELD SHIELD
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
+3.3V_TU
R1403
R1402 100K
100
+3.3V_TU
TUNER_RESET
C1404
0 . 1 u F
16V
R1407 R1408
1K 1K
33
R1405
TU_SCL
R1406 33
TU_SDA
OPT OPT
C1401
C1411 C1412
18pF C1405
20pF 20pF
50V 18pF
50V 50V
50V
+3.3V_TU
OPT
C1402 C1409
C1407
10uF 100pF 0 . 1 u F
6.3V
50V 16V
c l o s e t o t h e t u n e r p i n
close to TUNER
NON_ASIA_TU
C1400
0 . 1 u F 16V
C1420
10pF
C1400-*1
50V
0
ASIA_TU ASIA_TU
+1.2V/+1.8V_TU ASIA_TU
R1421
390
C1406 C1408
C1410
100pF 0 . 1 u F
100uF
50V 16V 16V
R1404
100 C1421
IF_AGC_MAIN
10pF
ASIA_TU
C1403
50V
R1423
0 . 1 u F s h o u l d b e g u a r d e d b y g r o u n d ASIA_TU
2K
16V
R1422
0
ASIA_TU
+3.3V_TU
NON_ASIA_TU
R1413
470
OPT NON_ASIA_TU
R1410 R1415
0 82
TU_SIF
NON_ASIA_TU
E
R1426
0
NON_ASIA_TU
B
NON_ASIA_TU
Q1400
R1409
C MMBT3906(NXP)
4.7K
+3.3V_TU
R1416 R1417
220 220
NON_ASIA_TU
NON_ASIA_TU NON_ASIA_TU
OPT
R1427
R1411 0
0
TU_CVBS
E
NON_ASIA_TU
R1412 0
R1424
NON_ASIA_TU
390
B Q1401
ASIA_TU R1414
1K MMBT3906(NXP)
C
OPT
R1425
0
ASIA_TU
IF_P_MSTAR
IF_N_MSTAR
1 . s h o u l d b e g u a r d e d b y g r o u n d
2 . N o v i a o n b o t h o f t h e m
3 . S i g n a l W i d t h > = 1 2 m i l s
S i g n a l t o S i g n a l W i d t h = 1 2 m i l s
G r o u n d W i d t h > = 2 4 m i l s
+3.3V_TU +3.3V_Normal
L1400
CIS21J121
60mA
C1414 C1415 C1418 C1419
22uF 0 . 1 u F 22uF 0 . 1 u F
16V
10V 16V 10V
+1.2V/+1.8V_TU
+3.3V_TU
IC1400
AZ1117BH-1.8TRE1
IN OUT
3 2
1
C1413 R1419
R1420
0 . 1 u F 1
ADJ/GND
16V 1/10W 150
OPT
C1417
C1416
0 . 1 u F
10uF
16V
10V
EMEA INTERACTIVE
GP4_MSTAR
TUNER
2 0 1 1 . 0 8 . 2 1
1 4 2 0
LGE Internal Use Only