Schematic Diagram; Main Board - Haier HL19D2 Service Manual

10. Schematic Diagram

10.1 Main Board

715G3239M01002005F
03) Tuner
C207 C208
22pF 50V 22pF 50V
TU_SCL
R201
TU_SDA
R203
ZD201 ZD202
VPORT0603100KV05 VPORT0603100KV05
TU201
NC
BB
AGC
NC
BT Monitor
NC
NC
NC
NC
SCL
SDA
NC
IF AGC
+B
IFD-out1
IFD-out2
IF Monitor
TH1
TH2
TH3
TH4
NC / TUNER
94GNTAT MA8MA
ENV56U03D8F
ET-29DHRV
14
13
12
11
10
9
6
5
3
2
1
5V:
+B(DC/DC)=15mA(MAX)
+B(Tuner)=150mA(MAX)
5VT
C205 C206 + C201
560pF 50V 1.5nF 50V 470uF 16V
R237 R238
2K2 1/10W 5% 2K2 1/10W 5%
蔼
22R 1/10W 5%
I2C1_SCL 6,7
22R 1/10W 5%
I2C1_SDA 6,7
0.1uF,1nF-->0402
FB201
1
B+
2 1 2
5VT
3 C235 NC
5 C219 C220 600 OHM
6 BT Monitor C240 2N2 50V
8 0.1uF 50V 2N2 50V
9 SIF
10
FB202
V-OUT
11
13 TU_SCL 1 2
5VT
TU_SDA
14 NC/600 OHM
15 C221 C222
IF_AGC
16
17 NC NC/0.001uF
IF_AN
19
FB203
20 IF_AP
IF_Monitor
21 1 2
5VT
22 NC
23 C241 C270 C223 C224
24
25 NC NC NC NC
C271 C268
NC 1uF 16V
TU202
TUNER
1
NC
2 B+
+B
3
RF-AGC Monitor
5
NC
BT Monitor
6
BT Monitor
9 TU_SCL
SCL
TU_SDA
10
SDA
11
IF Monitor
IF_AGC
12
IF AGC
13 IF_AN
IFD-out1
14 IF_AP
IFD-out2
C209 100P 50V L201,L203 change to 47ohm
タDIF稰
IF_AP L201
L205 47R 1/8W
0.082uH
L202 C213
0.15uH
82pF50V
IF_AN
L203
L204 47R 1/8W
Change 5%
0.082uH
C216 100P 50V
Place parts very close to
U401
Panasonic suggest for
ENV56U03D8F
ET-29DHRV
V-OUT IF_AGC
ZD203 ZD204
NC NC
35
R202
SIF C202 NC/0.1UF16V
NC/47 OHM 1/10W
C203
10N 50V
Place parts very close to U401
C204
IF_AINN
C277 1nF 50V
C278 1nF 50V IF_AINP
C210 3.9K1/10W
R204
NC
C211
C212
C214
C215
C217
NC
R205 0R05 1/10W
8 DEMOD_RSTN
R206 4K7 1/10W 5%
VCC3_3
R207 NC/20K OHM 1/10W
IF_AGC R208
C218
100N16V
FB205
V-OUT
1 2
TU_CVBS 4
NC/30 OHM
SIF_N
SIF_P
10N 50V
U401P
Demodulator
AF4
SIF_AINN
AE4
SIF_AINP
AF2
IF_AINN
AE2
IF_AINP
IF_RBIAS AD3
IF_RBIAS
IFE_VBIAS
100N16V AD2
IF_VINBIAS
100N16V IF_VCM AD1
IF_VCM
100N16V IF_VREFN AF1
IF_VREFN
IF_VREFP
100N16V AE1
IF_VREFP
AD8
DEMOD_CLKO
AC7
MPEG_FAIL
AC8
DMOD_RST_N
AC6
SA_DATA
PARAM0
AE7
PARAM0
RF_AGC AF8
RF_AGC
2K 1/10W AF7
IF_AGC
AA5
IF_DVAL_GPIO
ZR39775HGCF-B