Sharp LC-26DV24U Service Manual page 57

A B
8
7
6
5
R6201
KEY_B
R6202
KEY_A 100
100
4
3
2
1
A B
H-19
C
MICON SCHEMATIC DIAGRAM
ROM WRITER
SUB MICON
CP6201
A2001WV-11A
1 GND
FLASH_WRITE_TXD
2 TX
MODE
3 BUSY (MODE)
4 NC NC
AT+5V
5 VCC
CNVSS
FROM OPERATION/REMOCON
6 CLK (CNVSS)
FLASH_WRITE_RXD
7 RX
CP6202 (CP2203_1)
8 NC
NC
A2001WR2-3P
RESET
9 RESET
GND 1
10 GND
KEY B 2
11 GND
KEY A 3
NC NC
0 0
5 4
NC NC
OUT IN GND
1 2 3
3.4 3.4 0
R6203
10K
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
(DIGITAL PCB)
3.4 3.3
2SK3019_TL
3.4
2.8 2.5 3.4 0 3.4 3.4
24 23 22 21 20 19
0.5
3.4
DTV_RESET
25 KEY_A
1V_CTL
32 MAIN_MICON_TXD
R6205
3.4
MODE
17 HDMI_CEC
33K
R6210
3.4
16 POWER_FAIL
EXT_MUTE SYS_POWER_H
4.7K
9 DISC_IN_DET
R6206
2.9
AUDIO_MUTE EEPROM_SDA
8 REMOCON_IN
4.7K
R6209
0
DVD_RESET
1 MAIN_MICON_RXD
4.7K
R6211
3.4
100
SUB MICON IC
1 2 3 4 5 6
IC6202
0.5 0 3.4 0 2.8 3.4
R5F21124FP 3.1
R6212
100
7
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
Q6201
0.5 3.3
Q6202
3.4 2SK3019_TL
R6231
4.7K
NC NC
3.4
C6218
18 17
0.1 B
3.2
R6226
3.4
ASEMD0
100
3.3
STBY-H
NC
DVD_POWER
3.3
R6227
3.4
100
R6223
3.4
EEPROM_SCL
100
0
R6228
7 8
4.7K
3.3 R6224
4.7K
R6225
4.7K
F G
H
8
TO REGULATOR2
1V_CTL
TO JACK3
EXT_MUTE-H
7
FROM/TO SCALER VIDEO/AUDIO
MCU_SCITXD
6
MCU_SCIRXD
I2C_DATA
I2C_CLK
TO SURROUND
AUDIO_MUTE
5
FROM/TO FLASH
IIC_OFF
RESET_N
ASEMD0
FROM/TO JACK3
DVD_RESET
START_SW
4
FROM/TO REGULATOR2
STBY-H
POWER_FAIL
3.3V_POWER_H
3
SYS_POWER_H
AT+5V
AT+3.3V
KEY_A
KEY_B
IR_REMO
2
GND
PCBDH0
CEG352
1
H
H-20