Sharp LC-32SH20U Service Manual page 45

A B
8
7
FROM/TO POWER
P.CON+32V
UNREG+5V
UNREG+4V
6
P.CON+32V
P.CON+5V
FROM/TO AV OUT
5
CP5801 (CP2403)
TKC-W20P-U1
UNREG+5V
1 UNREG+5V
2 UNREG+5V
UNREG+4V
3 UNREG+4V
4 UNREG+4V
5 UNREG+4V
P.CON+5V
RF_SW
6 REG +5V
7 GND
8 GND
DTUNER_Y
9 Y OUT
DTUNER_PB
10 U OUT
11 GND TU_I2C_CLK
4
12 GND
TU_I2C_DATA
DTUNER_PR
13 V OUT
14 GND
15 GND
16 CVBS OUT NC
AUDIO_MUTE_L
17 AUDIO MUTE-L
DTUNER_SD_H
18 SD-H
AFT_1
19 AFT_1
AFT_2
20 AFT_2
CP5802 (CP2404)
C5836 47P CH
TKC-W20P-U1
DTUNER_RESET
1 DTV_RESET C5837 47P CH
3 DTUNER_POWER
2 DTV POWER C5838 47P CH
DTUNER_RX
3 TX (X240) C5839 47P CH
DTUNER_TX
4 RX (X240)
DTUNER_SPDIF
5 SPDIF OUT
6 NC
I2SSD0_OUTA
7 I2SSDO_OUTA
I2SWS_OUTA
8 I2SWS_OUTA C5826 47P SL
I2SSCLK_OUTA
9 I2SSCLK_OUTA
I2SSD0_IN
10 I2SSDO_IN
I2SWS_IN
11 I2SWS_IN
I2SSCLK_IN
12 I2SSCLK_IN
TU_I2C_DATA
13 TU I2C DATA C5841 47P CH
TU_I2C_CLK
2 14 TU I2C CLK
RF_SW
15 RF_SW C5843 47P CH
IF_AGC
16 IF AGC
17 GND
18 GND
IF_OUT_1
19 IF OUT1
IF_OUT_2
20 IF OUT2
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
H-15
All manuals and user guides at all-guides.com
C D
TUNER SCHEMATIC DIAGRAM
DIGITAL/ANALOG TUNER W/NTSC_MPX
TU5801
TUMUDTR-V110V
NC NC
L5802
C5802
SW
C5815
Q5801 22uH 0305
0.1 B
0.1 B RT1P431C
5.0
0
5.0
C5808
0.1 B
4 3 2 1
5 6 7 8
0
SW
3.4
Q5802
0 RT1N241C
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.
C D
E
(AV PCB)
R5820
100K
1/4W
R5811 R5812
4.7K 390K
R5806
0
0.5
100K
2.5
0.6
11
IF AMP Q5805
0 IF AMP Q5804
1.8
2SC3841-T1B_T63
2SC3841-T1B_T63
0.4
C5814
0.5
0.0022 B
0
ACCESSORY
BT001
MNAAA(R03)
BT002
MNAAA(R03)
CAUTION: DIGITAL TRANSISTOR
E
F G
FROM/TO SHIELD DIGITAL
FROM/TO TUNER/OUT JACK
AFT
DTUNER_SPDIF
SIF
AFT_1
AFT_2
IF_OUT_2
IF_OUT_1
IF_AGC
FROM/TO AV SWITCH2
TUNER_VIDEO
DTUNER_Y
DTUNER_PB
DTUNER_PR
AUDIO_MUTE_L
DTUNER_RESET
DTUNER_SD_H
DTUNER_RX
DTUNER_TX
DTUNER_POWER
FROM/TO STEREO
I2SSD0_OUTA
I2SWS_OUTA
I2SSCLK_OUTA
I2SSD0_IN
I2SWS_IN
I2SSCLK_IN
SIF
CD3801
09119904
TM101
SBNS02009A
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
6
5
4
3
2
PCBD20
CMF080
1
H
H-16