Schematic; Main Board - Polaroid TLM-23201B Service Manual

32"LCD TV
9. Schematic Diagram

9.1 Main Board

C205
100pF
TU_SCL
TU_SDA
ZD223
VPORT0603100KV05
TU202 TUNER
1
BB
2
NC
3
NC
4
NC
5
SIF
6
NC
7
AGC
8
Video out
9
VB
10
NC
11
BT monitor
12
NC
13
NC
14
SDA
15
SCL
16
AFT-OUT
17
+B
18
IF-Monitor
19
IF-AGC
20
IFD1
21
IFD2
V-OUT
C206
100pF
R274 22 OHM 1/10W
I2C1_SCL 7
R275 22 OHM 1/10W
I2C1_SDA 7
ZD224
VPORT0603100KV05
FB209
1 2
5VT
600 OHM
C240 C241
SIF 0.1uF 0.001uF
FB210
V-OUT
1 2
5VT
600 OHM
C243 C244
0.1uF 0.001uF
TU_SDA
TU_SCL FB212 V-OUT
1 2
5VT
600 OHM
IF_AGC C249 C250
IF_AN
IF_AP 0.1uF 0.001uF
IF_AGC
ZD226 ZD227
NC NC
IF_AP C217 1000pF
L202
5VT 0.22uH
C246 C247 + C245 IF_AN C223 1000pF
L204
560pF 0.0015uF 470uF/16V 0.22uH
1 2
5VT
600 OHM
FB208
+
C236 C237
10uF/16V 0.1uF 39K OHM 1/10W 22 OHM 1/10W
R212 R282
C238 Q202
10uF 2SC2412KR
R213
470 OHM 1/10W 1 2
TU_CVBS
30 OHM
FB205
27K OHM 1/10W
R215
R216
1K OHM 1/10W
R217 NC
32
47 OHM 1/10W
SIF C201 R201 SIF_N
0.1UF16V
U401P
C202
Place parts very close to U1
47pF Demodulator
C204 SIF_P
0.1UF16V AF5
SIF_AINN
AE5
SIF_AINP
C207 0.1UF16V AE4
SIF_VREFN
C208 0.1UF16V AF4
SIF_VREFP
1 2 AF6
SIF_VDD3P3_0
3V3A 600 OHM AE6
SIF_VDD3P3_1
FB203 C209 C210 5.1K OHM 1/10W
R202 AD6
SIF_RBIAS
0.01UF25V 4.7uF25V C211 0.1UF16V AD5
SIF_VINBIAS
C212 0.1UF16V AD4
SIF_VCM
IF_AINN AF2
IF_AINN
IF_AINP IF_AINP AE2
IF_AINP
C219 3.9K OHM 1% 1/10W
L203 C220 NC R203 AD3
IF_RBIAS
0.15uH 82pF C221 0.1UF16V AD2
IF_VINBIAS
C222 0.1UF16V AD1
IF_VCM
IF_AINN
C225 0.1UF16V AF1
IF_VREFN
C226 0.1UF16V AE1
IF_VREFP
C228
NC
3V3A
1 2 AC1
IF_VDD3P3_0
600 OHM AC2
IF_VDD3P3_1
FB206 C230 C231
0.01UF25V 4.7uF25V
TP201
3V3A 1 AD10
TP202 DEMOD_CLKO
FAIL AF11
MPEG_FAIL
R208 0 OHM 1/10W AD9
8 GPIO0
DMOD_RSTn
TP203 1 AC6
SA_DATA
R210 4.7K OHM 1/10W AE9
PARAM[0]
1 RF_AGC AF8
TP206
RF_AGC
IF_AGC R211 2.2K OHM 1/10W AF7
IF_AGC
C233
0.1UF16V AC10
DM_PLL_VDD
3V3A
ZR39770HGCF
1 2 120 OHM
FB207
C291 C234 C235
0.1UF16V 0.1UF16V 1uF6.3V
0.1uF,1nF-->0402
4
U401D
Transport I/F
AB14
TPDATA7
AD14
TPDATA6
AB13
TPDATA5
AC13
TPDATA4
AD13
TPDATA3
AD12
TPDATA2
AC12
TPDATA1
AB12
TPDATA0
AC14
TPVALID
AC15
TPFRAME
AB15
TPCLK
ZR39770HGCF
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL
T2763-B-2 TPV MODEL
絬 隔 瓜 絪 腹
Key Component 03-Tuner PCB NAME 715T2763
Date Thursday , May 08, 2008 Sheet 3 of 18
Polaroid TLM-23201B
Size C
Rev E
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