Toshiba 32EL833G Service Manual page 51

5
+12V_NORMAL
R467 R467 22Ohm 22Ohm R470 R470 22Ohm 22Ohm
1 2 1 2
R468 R468 22Ohm 22Ohm R471 R471 22Ohm 22Ohm
1 2 1 2
R469 R469 22Ohm 22Ohm R472 R472 22Ohm 22Ohm
1 2 1 2
C288 C288 C289 C289
D
0.1UF/16V 0.1UF/16V 0.1UF/16V 0.1UF/16V
IF_5V FB37 FB37 L9 L9
120Ohm/100Mhz 120Ohm/100Mhz 0.82UH 0.82UH
2 1 2
C346 C346
C
C347 C347 R416 R416
0.01UF/50V 0.01UF/50V 1.5KOHM 1.5KOHM
R419 R419
270Ohm 270Ohm
1
C351 C351
0.01UF/50V 0.01UF/50V
R424 R424
56Ohm 56Ohm
AIF_T
2 1 1 2
C352 C352 Q25 Q25
0.01UF/50V 0.01UF/50V R425 R425 BFR520T BFR520T
820Ohm 820Ohm
C354 C354
0.01UF/50V 0.01UF/50V
B
A
5
4
U31 U31
APE1117AK-HF APE1117AK-HF
R473 R473 22Ohm 22Ohm
1 2 3
IN
R474 R474 22Ohm 22Ohm
1 2 2
OUT Vout
R475 R475 22Ohm 22Ohm
1 2 1
ADJ/GND
C290 C290
C301 C301 C325 C325
0.1UF/16V 0.1UF/16V
121Ohm 121Ohm R464 R464
2 1
365Ohm 365Ohm R465 R465
1 2
+8V C285 C285 C287 C287
IF_VCC
1
R422 R422
6.8KOhm 6.8KOhm
NC NC
R44 R44 C353 C353
0Ohm 0Ohm 0.01UF/50V 0.01UF/50V
2 1 2 2 1
3 3 R427 R427
1
C C 6.8KOhm 6.8KOhm
1 1 B B
NC NC
E E
2 2
R429 R429
68Ohm 68Ohm
IF_VCC
NC NC
R446 R446 R448 R448 R434 R434
6.8KOhm 6.8KOhm 22KOHM 22KOHM 3.3KOHM 3.3KOHM
NC NC NC NC
NC NC C379 C379
0.01UF/50V 0.01UF/50V
2 1
R442 R442
6.8KOhm 6.8KOhm
NC NC
R436 R436
220KOhm 220KOhm
VIF_CTL
1
8 VIF_CTL
C368 C368
0.01UF/50V 0.01UF/50V
NC NC 220KOhm 220KOhm
4
3
IF_5V
TUNER_+5V L8 L8 NC NC
10UH 10UH
1 2
4
C336 C336
1 2
TUNER_+5V R521 R521
0Ohm 0Ohm
C286 C286 C282 C282
IF_5V
R414 R414 10KOhm 10KOhm
1 2
R413 R413 10KOhm 10KOhm
1 2
8 TUNER_SCL
8 TUNER_SDA
C356 C356 NC NC
10PF/50V 10PF/50V
L10 L10
1 2
36.125MHZ 36.125MHZ
1 4
VIFP
NC NC
D56 BA591 D56 BA591
SAW_SW
2 2 5
VIFM
GND GND
R53 R53 R31 R31
1 2
0Ohm 0Ohm 0Ohm 0Ohm
C358 C358 NC NC
10PF/50V 10PF/50V
IF_5V
FB65 FB65 NC NC
120Ohm/100Mhz 120Ohm/100Mhz
1 2
C357 C357 NC NC
0.1UF/16V 0.1UF/16V
L11 L11 NC NC
36.4MHZ 36.4MHZ
1
NC NC
4
SIFP
D57 BA591 D57 BA591
SAW_SW
1 2 2
5
SIFM
3 3
D D
NC NC
1 1
2 1
Q32 Q32
G G
S S
2 2 2N7002 2N7002
R447 R447 NC NC
NC NC
3
2
TU1 TU1 TDTK-G641D TDTK-G641D
C337 C337 C340 C340 C341 C341
NC NC
LNA_ON_OFF
R409 R409 DIF-
33Ohm 33Ohm RFAGC_T DIF+
SCL_T
1 2
SDA_T
1 2
R410 R410 AIF_T
33Ohm 33Ohm C350 C350 C385 C385 C343 C343 C342 C342
IF_5V
D61 D61 NC NC
1N4148W 1N4148W
1 2 2 1
R415 R415
6.8KOhm 6.8KOhm R417 R417
12KOhm 12KOhm
1 2
8 RF_AGC
8
C349 C349
0.1UF/16V 0.1UF/16V
8
IF_5V
R426 R426 R423 R423
10KOhm 10KOhm 100KOHM 100KOHM
1 2 1
3 3
R428 R428
10KOhm 10KOhm C C
1 1 B B Q26 Q26
2 1
8 RF_AGC_CTL
PMBS3904 PMBS3904
E E
2 2
+3.3V_Normal
8
C398 C398 R75 R75
4.7KOhm 4.7KOhm
8
1
6 TU_LNA_ON_OFF
R476 R476
10KOhm 10KOhm
MAIN BOARD MAIN BOARD MAIN BOARD
Size Size Size
B B B
Date: Date: Date:
2
1
IF_5V
FB36 FB36
120Ohm/100Mhz 120Ohm/100Mhz
IF_AGC
1 2 1 2
R406 R406
C339 C339 1KOhm 1KOhm
0.1UF/16V 0.1UF/16V
R408 R408 0Ohm 0Ohm DIFM
2 1
DIFM
R407 R407 0Ohm 0Ohm DIFP
2 1
DIFP
IF_AGC
1 2 1 2
IF_AGC
C344 C344 R411 R411 C345 C345 R412 R412
4.7KOhm 4.7KOhm 10KOhm 10KOhm
R418 R418
100Ohm 100Ohm
RFAGC_T
2 1
IF_5V
Q24 Q24 C386 C386
PMBS3906 PMBS3906
R43 R43
47KOHM 47KOHM
3 3
C388 C388
0.1UF/16V 0.1UF/16V C C
B B 1 1
2
E E
Q31 Q31
2 2 PMBS3904 PMBS3904
R488 R488
100KOHM 100KOHM
2 1
1 2
6 SAR3_RFAGC
R450 R450
220KOhm 220KOhm
FB64 FB64
120Ohm/100Mhz 120Ohm/100Mhz
LNA_ON_OFF
1 2
Q36 Q36 C396 C396
PMBS3906 PMBS3906 1KOhm 1KOhm
R78 R78
4.7KOhm 4.7KOhm
1 2
3 3
C C
1 1 B B Q33 Q33
2
PMBS3904 PMBS3904
E E
2 2
Title : Title : Title :
Tuner Tuner Tuner
CM Chang/Jeff Y Hsiao CM Chang/Jeff Y Hsiao CM Chang/Jeff Y Hsiao
Engineer: Engineer: Engineer:
Project Name Project Name Project Name
xxA(L)V833/xxE(H)L833/xxDB833 xxA(L)V833/xxE(H)L833/xxDB833 xxA(L)V833/xxE(H)L833/xxDB833
Wednesday, January 19, 2011 Wednesday, January 19, 2011 Wednesday, January 19, 2011 Sheet Sheet Sheet 15 15 15 of of of 18 18 18
1
D
8
8
8
C
B
A
Rev Rev Rev
1.02 1.02 1.02