Sharp LC-26SB14U Service Manual - Page 34

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A 8 7 6 R6201 100 5 KEY_B KEY_A R6202 100 4 3 2 1 A H-11 C6201 47P CH C6202 47P CH D6201 UDZSNP5.6B D6202 UDZSNP5.6B B C D E F G MICON SCHEMATIC DIAGRAM (DIGITAL PCB) KEY_A KEY_B FROM/TO OPERATION/REMOCON CP6202 (CP2203_1) A2001WR2-3P GND 1 KEY B 2 KEY A 3 ROM WRITER SUB MICON CP6201 A2001WV-11A 1 GND 2 TX 3 BUSY (MODE) 4 NC NC 5 VCC 6 CLK (CNVSS) 7 RX 8 NC NC 9 RESET 10 GND 11 GND FLASH_WRITE_TXD MODE AT+5V CNVSS FLASH_WRITE_RXD RESET RESET IC IC6201 PST3229NR NC 0 5 NC NC 0 4 NC R6203 10K OUT IN GND 1 2 3 3.4 3.4 0 R6213 4.7K R6216 R6217 4.7K 4.7K 3.3 3.3 D G S 3.3 BUFFER Q6201 2SK3019_TL 3.3 3.3 D G S 3.3 BUFFER Q6202 2SK3019_TL R6220 100 R6222 100 C6210 0.1 B R6219 4.7K R6215 2.2K R6231 4.7K R6214 2.2K R6205 33K R6210 R6206 4.7K 4.7K R6209 4.7K R6211 100 R6212 100 2.8 2.5 3.4 0 3.4 3.4 3.4 NC3.4 NC 24 23 22 21 20 19 18 17 0.5 3.2 9 10 11 12 13 14 15 16 SUR_SW VREF 3.3V_POWER_H AVSS IIC_OFF IVCC 32 31 30 29 28 27 26 25 KEY_B 3.4 DTV_RESET ASEMD0 3.4 3.4 1V_CTL 25 KEY_A 3.3 STBY-H 32 MAIN_MICON_TXD 3.4 MODE 17 HDMI_CEC DVD_POWER NC 3.4 EXT_MUTE 16 POWER_FAIL SYS_POWER_H 3.3 2.9 9 DISC_IN_DET AUDIO_MUTE EEPROM_SDA 3.4 8 REMOCON_IN 0 DVD_RESET 1 MAIN_MICON_RXD EEPROM_SCL 3.4 XOUT RESET CNVSS 3.4 0 VCC XIN VSS NC SUB MICON IC IC6202 12345678 R5F21124FP 0.5 0 3.4 3.1 0 2.8 3.4 3.3 C6218 0.1 B R6226 100 R6227 R6223 100 100 R6228 4.7K R6224 4.7K X6201 7 100GT01615 16MHz R6221 27K R6204 10K D6205 BAT54WS C6213 18P CH C6215 20P CH C6212 1B C6216 0.01 B C6209 2.2 B C6205 6.3V 220 V-S C6206 0.01 B NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE B C D 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. E F G H 8 TO REGULATOR2 1V_CTL TO JACK3 EXT_MUTE-H 7 TO AV SWITCH2 RESET_N FROM/TO SCALER VIDEO/AUDIO MCU_SCITXD MCU_SCIRXD 6 I2C_DATA I2C_CLK TO SURROUND AUDIO_MUTE 5 FROM/TO FLASH RESET_N IIC_OFF ASEMD0 4 FROM/TO REGULATOR2 3.3V_POWER_H POWER_FAIL STBY-H SYS_POWER_H AT+5V AT+3.3V KEY_A 3 KEY_B IR_REMO GND 2 PCBDH0 CEG352 1 H H-12

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A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
2
1
3
4
5
6
7
8
2
1
3
4
5
6
7
8
D6202
UDZSNP5.6B
D6201
UDZSNP5.6B
CP6202
A2001WR2-3P
1
2
3
D6205
BAT54WS
IC6201
PST3229NR
RESET IC
1
2
3
4
5
C6205
220
6.3V
V-S
CP6201
A2001WV-11A
SUB MICON
1
10
11
2
3
4
5
6
7
8
9
IC6202
R5F21124FP
SUB MICON IC
1
10
11
12
13
14
15
16
17
18
19
2
20
21
22
23
24
25
26
27
28
29
3
30
31
32
4
5
6
7
8
9
S
D
G
Q6201
2SK3019_TL
BUFFER
S
D
G
Q6202
2SK3019_TL
BUFFER
R6204
10K
R6206
4.7K
R6205
33K
R6210
4.7K
R6209
4.7K
R6220
100
R6223
100
R6216
4.7K
R6217
4.7K
R6203
10K
R6222
100
R6227
100
R6228
4.7K
R6224
4.7K
R6211
100
R6212
100
R6213
4.7K
R6226
100
R6201
100
R6202
100
R6231
4.7K
R6221
27K
R6219
4.7K
R6215
2.2K
R6214
2.2K
C6212
1
B
C6216
0.01
B
C6206
0.01
B
C6209
2.2
B
C6218
0.1
B
C6201
47P CH
C6202
47P CH
C6213
18P
CH
C6215
20P
CH
C6210
0.1
B
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
WAS RECEIVED IN GOOD CONDITION AND PICTURE IS NORMAL.
WITH THE DIGITAL TESTER WHEN THE COLOR BROADCAST
NOTE:THE DC VOLTAGE AT EACH PART WAS MEASURED
X6201
100GT01615
16MHz
KEY_A
KEY_B
1V_CTL
EXT_MUTE-H
RESET_N
MCU_SCITXD
MCU_SCIRXD
I2C_DATA
I2C_CLK
AUDIO_MUTE
KEY_B
KEY_A
RESET_N
IIC_OFF
ASEMD0
3.3V_POWER_H
POWER_FAIL
STBY-H
SYS_POWER_H
AT+5V
AT+3.3V
KEY_A
KEY_B
IR_REMO
GND
H-11
H-12
MICON SCHEMATIC DIAGRAM
(DIGITAL PCB)
FROM/TO OPERATION/REMOCON
PCBDH0
CEG352
NC
NC
TO AV SWITCH2
TO JACK3
TO REGULATOR2
FROM/TO FLASH
TO SURROUND
FROM/TO SCALER VIDEO/AUDIO
(CP2203_1)
KEY A
KEY B
GND
NC
NC
GND
GND
GND
NC
NC
BUSY
CLK
(MODE)
(CNVSS)
TX
VCC
RX
RESET
ROM WRITER
NC
SYS_POWER_H
RESET
XOUT
XIN
VCC
VREF
CNVSS
IVCC
IIC_OFF
AVSS
EEPROM_SDA
EEPROM_SCL
KEY_B
VSS
NC
NC
0
3.4
3.4
0
0
GND
NC
IN
NC
OUT
MODE
EXT_MUTE
AUDIO_MUTE
0.5
3.4
3.4
3.4
2.9
0
3.4
0.5
0
3.4
3.1
0
2.8
3.4
3.3
0
3.4
3.4
3.3
3.3
3.4
3.2
2.8
2.5
3.4
0
3.4
3.4
DVD_POWER
ASEMD0
RESET
FLASH_WRITE_TXD
MODE
AT+5V
CNVSS
FLASH_WRITE_RXD
DVD_RESET
DTV_RESET
3.3V_POWER_H
SUR_SW
STBY-H
DISC_IN_DET
9
REMOCON_IN
8
1
MAIN_MICON_RXD
16
POWER_FAIL
17
HDMI_CEC
KEY_A
25
32
MAIN_MICON_TXD
NC
3.3
1V_CTL
3.4
FROM/TO REGULATOR2
3.3
3.3
7
3.3
3.3
3.3
3.4
3.4