Schematic Diagram; Main Board - Haier HL42XD1 Service Manual

42 LCD TV

10. Schematic Diagram

10.1 Main Board

715G3269 1
3) Tuner
C265 C266
0.0022uF 0.0022uF
FB201
FB202
FB203
C201 C202 C203
TU201 TUNER
0.1uF/16V 0.1uF/16V
1 2200pF/16V
NC
2
BB
3 C262 0.0022uF
AGC
5
NC
6 C206 0.0022uF
BT Monitor
8
NC
9 R201 NC/0 OHM 1/10W
NC
10
NC
11
NC
13 R205 100 OHM 1/10W
SCL
14 R206 100 OHM 1/10W
SDA
15
NC
16
IF AGC
17
+B
19 IF_AN
IFD-out1
20 IF_AP
IFD-out2
21
IF Monitor
22 C217 C218
TH1
23
TH2
24 NC/47pF 0.1uF/16V
TH3
25
TH4
TU_GND
TU_GND
21
20
19
18
17
16
15
14
13
12
ENV56S02D8F
11
10
9
8
7
6
5
4
3
2
1
5V :
BB=15mA(MAX)
+B=140mA(MAX)
VB=70mA(MAX)
5VT
1 2 600 OHM
1 2 NC C267
1 2 600 OHM 1uF/16V
D3V3
R203 R204
SIF_IN 10K OHM 1/10W
10K OHM 1/10W
TUNER_CVBS
I2C1_SCL
I2C1_SCL 5,7
I2C1_SDA
I2C1_SDA 5,7
IF_AGC
C219 C220
22pF 22pF
TUNER_CVBS R212 NC/75 OHM 1/10W
R213
NC/75 OHM 1/10W
L201
C208 0.001uF
0.22uH
L202
0.15uH
L203
C214 0.001uF
0.22uH
TV_CVBS
TV_CVBS 4
35
SIF_IN C204 NC/0.1uF/16V R202 NC/47 OHM 1/10W
C209
C210
NC
82pF
D3V3
C216
NC
R208
8 DEMOD_RSTN
R209
R210
IF_AGC R211
C221
0.1uF/16V
Haier HL42XD1
U401P
Demodulator
SIF_N AF4
SIF_AINN
C205 0.01uF SIF_P AE4
SIF_AINP
C207
0.01uF
IF_AINN AF2
IF_AINN
IF_AINP AE2
IF_AINP
R207 3.9K OHM 1/10W AD3
IF_RBIAS
C211 0.1UF16V 0402 AD2
IF_VINBIAS
C212 0.1UF16V 0402 AD1
IF_VCM
C213 0.1UF16V 0402 AF1
IF_VREFN
C215 0.1UF16V 0402 AE1
IF_VREFP
1 AD8
TP1 DEMOD_CLKO
1 AC7
TP2 MPEG_FAIL
33 OHM 1/10W AC8
DMOD_RST_N
AC6
SA_DATA
4.7K OHM 1/10W PARAM0 AE7
PARAM0
NC/20K OHM 1/10W RF_AGC AF8
RF_AGC
2K OHM 1/10W AF7
IF_AGC
AA5
IF_DVAL_GPIO
ZR39785HGCF
U401H
Guest Bus
GPO/GADR1_CLE
STV2/GCS_N0
CPV2/GDAT6
TP/GDAT5
RVS/GDAT7
OE2/GADR0_ALE
STH1/GDAT4
STH2/GDAT3
CPV/GDAT2
OE1/GDAT1
STV1/GDAT0
GOE_N
GWE_N
ZR39785HGCF
U401L
No Connect Pins
NC68
ZR39785HGCF
U22
V24
W24
W25
W23
W22
Y 26
Y 25
Y 24
Y 23
Y 22
V23
V22
K22