Hitachi 32LD4550U Service Manual page 93

32"LCD TV
TU201
28
TH4
27
TH3
24 TUNER_CVBS
CVBS
23 AS_IF
AS_IF
22 R255
NC
21 R256
SIF2
20
SIF1
19
+5V IF
18
NC
17 DIF2
DIF2
16 DIF1
DIF1
15 IF_AGC_OUT
IF_AGC
14
REF
13 SDA
SDA
12 SCL
SCL
11 AS_TUNER
As
10
NC
9
GND
8
VT
7 V1
VP(TUN)
6
GND
5
RF_AGC
4
NC
3
GND
2
Ant Pwr
1
RF_IO
26
TH2
25
TH1
TUNER
AS_TUNER
AS_IF
0 OHM 1/10W
330 OHM 1/10W
L207
+5V_TUNER
0 OHM 1/8W
C216 C217
0.1UF16V NC
C251
DIF1 DIF2
3.3pF
C207 C208
NC NC
R207 NC V1
R208 NC +5V_TUNER
R210
0 OHM 1/10W
DIF2 R244 100 OHM 1/10W
DIF1 R245 100 OHM 1/10W
IF_AGC_OUT R246 4.7K OHM 1/10W
C201
0.01uF
R248 C202 0.01uF
MPX0P 9
0 OHM 1/10W
C205
NC C206 0.01uF
MPX0N 9
+5V_TUNER
R205 R206
4.7K OHM 1/10W 4.7K OHM 1/10W
L205 2.2uH
TUNER_SDA1 19
L206 2.2uH
TUNER_SCL1 19
+5V_TUNER
+5V_TUNER
10K OHM 1/10W
R209 C213 0.1UF16V
C214 47uF/25V R211
10 OHM 1/10W Q201
2SD2653K
R212 NC
R214
33K OHM 1/10W
R215
75 OHM 1/4W
+5V_TUNER
C218 0.1UF16V
R218
10 OHM 1/10W Q202
2SD2653K
AVCVBS0
56 OHM 1/10W
R220
75 OHM 1/4W
T P V ( Top
絬 隔 瓜 絪 腹
Key Component
Date
92
FAT_IN- 19
FAT_IN+ 19
IF_AGC 19
V1 +5V_TUNER
L201
0 OHM 1/8W
C203 C204
0.1UF16V 10uF/10V
R213 56 OHM +-5% 1/4W
R258 NC
R216
0 OHM 1/10W
R219
CVBS0 5
R221
C219
75 OHM 1/10W
47pF
R222
GND_TUNER 5
0 OHM 1/10W
Victory Electronics Co . , Ltd. ) OEM MODEL
TPV MODEL
EU Tuner Interf ace PCB NAME
715T3009
Monday , June 23, 2008 Sheet 18 of 21
Hitachi 32LD4550U
SCT1_AV_OUT 6
SCT1_AVO_GND 6
Size A3
Rev H
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