Sharp LC-20SD4E Service Manual page 35

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A
B
8
FROM/TO TUNER
AFT
RF_AGC
TUNER_A_MONO_IN
R4269
TU_VIDEO_OUT
10K
SW
2.5
Q4212
0.6
KTC3875S_Y_RTK
0
7
C4278
35V
10
KANP
15
6
C4276
270P CH
SCART1
J4204
R4239
RGB-32-01
75
GND
B4204
VIDEO IN
R4246
C4282
FCM1608KF-601T02
TUNER OUT
GND
75 1/4W
10V
5
GND
21-Y IN
W809
21-R IN
W810
GND
W811
GND
NC
21-G IN
NC
GND
FOR VCR
D4213
21-B IN
MTZJ15B-EIC
L IN
R4264
GND
4
GND
L4211
L OUT
R4265
R IN
22uH
R OUT
1K
L4212
22uH
3
R4207
B4201
75
FCM1608CF-600T06
R4206
R4205
560
B4209
FCM1608CF-600T06
75
R4204
C4233
75
2
270P CH
C4211
0.0022 B
C4212
1
0.0022 B
A
B
H-3
C
21PIN SCHEMATIC DIAGRAM
L4237
47uH
3
2
1
L
Analog TUNER
16
H
SWD CVBS(Digital)
4
5
6
D4211
MTZJ6.8B-EIC
C4405
16V
10
KANP
470
YK
R4208
100
B4202
1K
MMZ1608R102CT
R4249
B4203
100
R4250
MMZ1608R102CT
MUTE SW
0
R4288
5.1
Q4217
KTC3875S_Y_RTK
10K1/4W
0
0
R4280
5.1
MUTE SW
10K 1/4W
0
Q4215
KTC3875S_Y_RTK
FROM/TO OPERATION/
B4208
REMOCON/SAFETY 1
FCM1608KF-601T02
CP4202
(CP4203)
IMSA-9130B-05-PT1
L4205
GND
5
22uH
C_IN
4
S_SW
3
L4208
Y_IN
2
22uH
1
GND
CAUTION
:SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D
E
(AV PCB)
SW_CVBS
SCART1_V_IN
P.CON+5V
SCART1_Y_IN
SCART1_R_IN
SCART1_G_IN
SCART1_B_IN
D4206
SCART1_SW
MTZJ4.7B-EIC
SCART1_G_IN
DTUNER_V
SC1_A_IN_L
AT+5V
17
SC1_A_OUT_L
SCART1_R_IN
SC1_A_IN_R
SC1_A_OUT_R
100
18
W904
DTUNER_U
SW
5.0
LEVELSHIFT
Q4223
2.9
Q4224
P.CON+5V
2.9
KRC102SRTK
KRA103SRTK
2.0
5.1
0
SCART1_B_IN
GND2
EXT_MUTE
DTUNER_Y
Y_IN
S_SW
C_IN
V_IN
A_IN_L
A_IN_R
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
ARE
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
D
E
F
G
5.1
5.0
R4216
2.9
SW
Q4214
4.7K
KRA103SRTK
2.9
LEVEL SHIFT
2.0
Q4229
KRC102SRTK
0
SCALER_SW
SCART1_SW
PANEL_ON-H
DVB_FAN_ON-H
DTV_ON-H
DVB_SW-H
POWER_ON-H
POWER_FAIL
SCART1_Y_IN
REMOCON_IN
STANDBY_LED
SW_C
SW_Y
SW_CVBS
DIGITAL_POWER
SCART1/DTUNER RGB SW
IC4204
NJM2584AM(TE1)
D4210
3.3
3.2
C4235
MTZJ6.8B-EIC
IN1B
IN1A
10 C
0
0
GND1
NC
NC
2.5
3.2
C4236
IN2B
OUT1
10 C
C4226
5.1
0
0.1
B
V+
GND2
2.5
3.3
CTL
OUT2
D4209
3.2
1.8
C4237
MTZJ6.8B-EIC
IN2A
OUT3
10 C
0
0
GND3
NC
NC
2.6
2.6
C4238
R4299
IN3B
IN3A
10 C
1M
D4208
MTZJ6.8B-EIC
12pin
L
SCART RGB
H
D_TUNER YUV
ATTENTION
:LES PIECES REPAREES PAR UN
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
F
G
H
FROM/TO SOUND AMP
8
AUDIO_MUTE
REMOCON_IN
STANDBY_LED
FROM/TO POWER
AT+5V
P.CON+5V
AT+3.3V
GND
GND2
FROM/TO SCALER
S810X
7
CP4204
(CP802)
00_6232_030_006_800+
SCART1_SW
30
PANEL_ON-H
29
DVB_FAN_ON-H
28
DVB_POWER_ON-H
27
DVB_SW-H
26
POWER_ON-H
25
POWER_FAIL
24
GND
23
SCART1_Y
22
GND
21
6
SW_R/Cr(V)
20
GND
19
SW_G/Y
18
GND
17
SW_B/Cb(U)
16
GND
15
EXT_MUTE-H
14
AUDIO_MUTE
13
AGC
12
AFT
11
REMOCON IN
10
STANDBY LED
9
SWITCH_VIDEO_C
8
5
GND
7
SWITCH_VIDEO_Y
6
GND
5
SWITCH_CVBS
4
GND
3
DTUNER_POWER
2
GND
1
FROM/TO SCALER
PANEL_ON-H
DVB_FAN_ON-H
4
POWER_ON-H
DTV_ON-H
POWER_FAIL
FROM/TO AV SWITCH
EXT_MUTE
SW_CVBS
SC1_A_IN_L
SC1_A_IN_R
SCART1_V_IN
V_IN
Y_IN
S_SW
3
C_IN
A_IN_R
A_IN_L
SCALER_SW
SW_Y
SW_C
CAUTION: DIGITAL TRANSISTOR
FROM/TO STEREO
SC1_A_OUT_L
SC1_A_OUT_R
DTUNER_Y
DTUNER_U
2
DTUNER_V
DIGITAL_POWER
CAUTION: DIGITAL TRANSISTOR
ETANT
1
PCBD20
CMF088
H
H-4

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