Sharp LC-26AD22U Service Manual page 58

A B
8
7
FROM/TO AV SWITCH/JACK
C_SYNC
START_SW
DVD_RESET
DVD_POWER
FROM/TO ASIC
DTV_RESET
6 FROM/TO FLASH
TX_[X242]
RX_[X242]
FROM/TO FRONT END
AFT_1
AFT_2
SD-H
AFT
FROM/TO POWER3
5
DTV_ON-H
LIGHT_CTL
LCD-H
INVETER_H
POWER_ON-H
POWER_FAIL
P.CON+5V
4
FROM/TO SOUND
POWER_ON_MUTE_H
FROM/TO POWER3
AT+5V
D102
GND RB520S-30-TE61
D103
RB520S-30-TE61
3
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
1
A B
H-29
C
33 32 31 30 29 28 27 26
5.0
VAREF
5.0
AVDD
C102 0.01 B 0
AVSS
33 MUTE-H 23
LED-H 5.0
LED-H
0
NC NC SUB MICON
IC101
0
NC SLEEP_MODE-L
OEC6088A
DTV_ON-H R104 100 5.0
DTV_POWER_ON-H
0
NC NC
1 VSS 11
5.0
NC STAND_BY-H 2 XIN
DVD_POWER 0
DVD_POWER_ON-H
POWER_ON-H 5.0
POWER_ON-H
1 2 3 4 5 6 7 8
0 3.7 2.5 0 5.0 5.0 5.0
16
D101
RB520S-30-TE61
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
C
D E
MICON SCHEMATIC DIAGRAM
(DIGITAL PCB)
25 24 23
NC NC
0
NC NC
0 R122 10K
NC NC
R112 10K
C_SYNC 0
START_SW
DISC_IN_DET
0
IIC_OFF
IIC_OFF
5.0
W836
DTV_RESET
DTV_RESET
3.3 R115 4.7K
R116 100 EEPROM_SCL
SCL
5.0 R113 4.7K
R114 100 EEPROM_SDA EEPROM_SCL
SDA
BACKLIGHT
5.0
SD-H
SD-H
3.0 R110 4.7K
RX_[X242]
TX
5.0 R111 4.7K
TX_[X242]
RX
5.0
9 10 11
4.4
5.0 5.0 5.0
RESET IC
IC103 PST3245NR
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
EEPROM_SCL
EEPROM_SDA
IIC_OFF
RESET
TEST
TX_[X242]
RX_[X242]
EEPROM_SDA
SDA VSS
5.0 0
SCL A2
5.0 0
WP A1
0 0
VCC A0
5.0 0
EEPROM IC
IC102
AT24C02BN-10SU-1.8
R138
KEY_B
R139
KEY_A 100
100
AT+5V
B103 FCM1608KF-102T02
REMOCON_IN
SW
Q101 B104 FCM1608KF-102T02
KRA101SRTK
B105 FCM1608KF-102T02
5.0 5.0
P.CON+5V
5.0 5.0
3.3
LED-H
3.3
SW
Q102
KRA101SRTK
CAUTION: DIGITAL TRANSISTOR
F G
H
8
7
CP101 A2001WV2-4P
GND 1
SCL 2
SDA 3
IIC_OFF 4
6
CP102 A2001WV2-6P
GND 1
RESET 2
TEST 3
TX 4
RX 5
VDD 6
5
S802X
S801Y
FROM/TO OPERATION_PCB
CP103 (CP2203_1)
A2001WR2-3P
4
B109 FCM1608KF-102T02
GND 1
KEY B 2
KEY A 3
FROM/TO REMOCON_PCB
CP106 (CP2201)
A2001WV2-5P
REMOCON IN 1
GND 2
AT+5V 3
R135 330
W852
STANDBY LED 4
R140
3
POWER ON LED 5
R136 390
220
R128
4.7K
2
PCBDH0
CEF276
1
H
H-30