Tuner - Toshiba 32W2431D Service Manual

5
+5V_Normal
U17
3
IN
2 4
OUT Vout
C327 C328 1
ADJ/GND
D
APE1117AK-HF
R419
121 Ohm C333 C334
2 1
1 2
R422
200 Ohm
C
B
A
5
4
TUNER_3.3V FB36
120OHM
1 2
C329 C330 C331
VCC_3.3V
R423 1 2 4.7KOHM
R424 1 2 4.7KOHM
R426 1 2 33 OHM SCL_T
8,22 MS_SCL
R427 1 2 33 OHM SDA_T
8,22 MS_SDA
1 2
R429 33 OHM NC
22 1230_MSCL
R430 1 2 33 OHM NC
22 1230_MSDA
NC
R537 1 2 1KOhm TUNER-CTRL
8 TUNER_CTRL
NC
C442
0.1UF/16V
FB37
120OHM
1 2
VCC_3.3V
22 Demod_IF_AGC
8 IF_AGC
8 RF_AGC
4
3
TU2
TDSY_G230D
TUNER-CTRL
AGC
R614 L8
10 OHM 120Ohm
DIF_P 1 2 1
DIF_N 1 2 1
NC NC R617 L9
C335 C336 C340 C341 10 OHM 120Ohm
R618 NC
10 OHM
C339
R434
1KOhm
R435 R436 R437
9.1KOhm 0 Ohm 1KOhm
1 2 1 2 1
R548 C344
0 Ohm 0.022UF/16V
1 2
R173 NC R174 NC
12KOhm 0 Ohm
1 2 C152 NC
1 2
0.1UF/16V
3
2
R615
0 Ohm
2 1 2
DIFM 8,22
2 1 2
DIFP 8,22
R616 NC NC
0 Ohm C342 C343
2 AGC
C345
R438 NC
22KOHM
MAIN BOARD MAIN BOARD MAIN BOARD
Size Size Size
B B B
Date: Date: Date: Monday, January 27, 2014 Monday, January 27, 2014 Monday, January 27, 2014
2
1
Title : Title : Title :

Tuner

Engineer: Engineer: Engineer:
Project Name Project Name Project Name Rev Rev Rev
L2400-MSD8841 L2400-MSD8841 L2400-MSD8841
1.01 1.01 1.01
Sheet Sheet Sheet 16 16 16 of of of 23 23 23
1
D
C
B
A