Hisense 40LD835F Service Manual page 40

5
D
5VAIN N18 N18
LD1117A-3.3AZ1117H-3.3 LD1117A-3.3AZ1117H-3.3
3 4
VIN VOUT
2
C206 C206 C207 C207
VOUT
C205 C205
1u/16V 1u/16V 100n/16V 100n/16V
100n/16V 100n/16V 0R/NC 0R/NC
R337 R337
R338 R338
0R 0R
3.3V_Demod N19 N19
AZ1117-1.2 AZ1117-1.2
3 4
VIN VOUT
C222 C222 2 C223 C223
VOUT
C224 C224
100n/16V 100n/16V
1u/16V 1u/16V
100n/16V 100n/16V 0R/NC 0R/NC
C R347 R347
R349 R349
0R 0R
2.5V_Demod DR2VDD 2.5V_Demod
L19 L19 L20 L20
BLM18PG121SN1 BLM18PG121SN1 BLM18PG121SN1 BLM18PG121SN1
C209 C209 C210 C210
1u/16V 1u/16V 100n/16V 100n/16V
AD_DVDD
L22 L22 L23 L23
BLM18PG121SN1 BLM18PG121SN1 BLM18PG121SN1 BLM18PG121SN1
C218 C218 C219 C219
100n/16V 100n/16V
1u/16V 1u/16V
closed to Demod
B
A
5
4
B3_3.3V
3.3V_Demod
60mA
L21 L21
BLM18PG121SN1 BLM18PG121SN1
C213 C213 C214 C214 C215 C215 C216 C216 C217 C217
C208 C208
1u/16V 1u/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V
100u/16V 100u/16V
closed to Demod
B4_1.2V
1.2V_Demod 120mA
L24 L24
BLM18PG121SN1 BLM18PG121SN1
C228 C228 C226 C226 C229 C229 C230 C230 C227 C227 C231 C231 C232 C232
C225 C225
100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V 100n/16V
1u/16V 1u/16V
100u/16V 100u/16V
2 TS_D5
closed to Demod
2 TS_D4
2 TS_D3
AD_AVDD 2 TS_D2
2 TS_D1
C211 C211 C212 C212
2 TSVALID
1u/16V 1u/16V 100n/16V 100n/16V
2 TSSTART
2 TS_D0
2 TS_CLK
PLLVDD
C220 C220 C221 C221
100n/16V 100n/16V
1u/16V 1u/16V
2 TS_D7
2 TS_D6
9 T-IF-AGC
4
3
2,9 Demod_RST
R340 R340
R342 R342
2 SCL
R341 R341
2 SDA
B4_1.2V
B3_3.3V
N20 N20
49
VDDS
50
VSS
R346 R346 33R 33R
51
STSFLG0
RP33 RP33 33R 33R
1 8
2 7 52
SLOCK
3 6 53
RERR
4 5 54
RLOCK
55
RSEORF
56
B4_1.2V
VDDC
57
VSS
RP34 RP34 33R 33R 58
PBVAL
1 8
2 7 59
SBYTE
3 6 60
SRDT
4 5 61
SRCK
62
C241 C241
VSS
10p/50V/NC 10p/50V/NC
63
B4_1.2V
VDDC
64
B3_3.3V
VDDS
R353 R353 33R 33R
R354 R354 33R 33R TC90517FG TC90517FG
3.3V_Demod
R391 R391
10k 10k
3.3V_Demod 5VAIN
R365 R365 R364 R364
1k/NC 1k/NC 1k/NC 1k/NC
R367 R367
1k 1k IF_AGC
C244 C244
100n/16V 100n/16V AGC CIRCUIT
Close to tuner T_SCL
9 T_SCL
T_SDA
9 T_SDA
3
2
3.3V_Demod
R339 R339
4.7k 4.7k
100R 100R
100R 100R
100R 100R
32
AD_DVDD
AD_DVDD
31
AD_DVSS
30 C233 1u/16V C233 1u/16V
ADI_AIP
29 C235 1u/16V C235 1u/16V
ADI_AIN
28 C300 C300
ADQ_AIP
27 C301 C301
ADQ_AIN
26 C236 C236
AD_VREF
25 C237 C237
AD_VREFN
24 C238 C238
AD_VREFP
23
AD_AVSS
22
AD_AVDD
AD_AVDD
21
C239 1.5n/50V C239 1.5n/50V
FIL
20
PLLVDD
PLLVDD
19
X1
18
X0
17
PLLVSS
10k 10k
3.3V_Demod
R362 R362 R363 R363
C243 C243
100n/16V 100n/16V 4.7k 4.7k 4.7k 4.7k
100R 100R R366 R366
100R 100R R368 R368
C245 C245 C246 C246
18p/50V 18p/50V 18p/50V 18p/50V
Title Title Title
Size Size Size
Date: Date: Date:
2
1
I2C地址3C
R348 R348
#IF_OUT
#IF_OUT 2,9
0R 0R
L25 L25 C234 C234
xxp/50V/NC xxp/50V/NC
R350 R350
100n/16V 100n/16V IF_OUT
IF_OUT 2,9
100n/16V 100n/16V BLM18PG121SN1/NC BLM18PG121SN1/NC
0R 0R
100n/16V 100n/16V
100n/16V 100n/16V
100n/16V 100n/16V
C240 22p/50V C240 22p/50V
R351 R351
Z2 Z2
1M 1M
JAS4K JAS4K
R352 R352
C242 22p/50V C242 22p/50V
1.2k 1.2k
ISDB-TC90517FG ISDB-TC90517FG ISDB-TC90517FG
Document Number Document Number Document Number
A3 A3 A3
Demodulator Demodulator Demodulator
Tuesday, November 09, 2010 Tuesday, November 09, 2010 Tuesday, November 09, 2010 Sheet Sheet Sheet 8 8 8 of of of 10 10 10
1
D
C
B
A
Rev Rev Rev
1.0 1.0 1.0