Micon - Toshiba 15DLV77B Service Manual

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
5 DTV_RESET
FROM/TO SOUND AMP
MUTE-H
FROM/TO POWER1
DTV_ON-H
LIGHT_CTL
4
LCD-H
INVETER_H
STAND_BY-H
POWER_ON-H
POWER_FAIL
P.CON+5V
AT+5V
RB520S-30-TE61
3
GND
2
1
A B
H-17
C
MICON SCHEMATIC DIAGRAM
4.9 4.9 4.9
33 32 31
4.9
VAREF
5.0
AVDD
0
C102 0.01 B
AVSS
0
LED_ON_H
LED_ON_H
0
NC NC
0
NC SLEEP_MODE-L
4.9
DTV_ON-H R104 100
DTV_POWER_ON-H
0
NC NC
4.9
STAND_BY-H
STAND_BY-H
4.9
DVD_POWER
DVD_POWER_ON-H
4.9
POWER_ON-H
POWER_ON-H
1 2 3
0 3.3 3.3
16
D103 D102 D101
RB520S-30-TE61
RB520S-30-TE61
CAUTION: DIGITAL TRANSISTOR
C
D E
(DIGITAL PCB)
NC NC
0 0 NC
4.9 4.9 4.6 4.9 4.8
30 29 28 27 26 25 24 23
0
NC NC
0
NC NC
0
R122 10K
NC NC
33 MUTE-H 23 C_SYNC
3.9
DISC_IN_DET
R112 10K
5.0
IIC_OFF
IC101
3.3 W815
OEC6088A DTV_RESET
R115 4.7K
5.0
R116 100
SCL
R113 4.7K
5.0
R114 100
SDA
1 VSS 11 BACKLIGHT
3.0
2 XIN
SD-H
R110 4.7K
5.0
TX
R111 4.7K
5.0
RX
4 5 6 7 8 9 10 11
5.0 5.0 3.1 3.1 5.0 4.9 3.3 4.4
RESET IC
IC103 PST3245NR
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
EEPROM_SCL
EEPROM_SDA
IIC_OFF
RESET
TEST
TX_[X242]
RX_[X242]
START_SW
IIC_OFF
DTV_RESET
EEPROM_SDA
EEPROM_SCL
SDA VSS
4.9 0
EEPROM_SDA EEPROM_SCL
SCL A2 B108 FCM1608KF-102T02
4.9
0
B107 FCM1608KF-102T02
SD-H KEY_B
WP A1 B110 FCM1608KF-102T02
KEY_A
0 0
RX_[X242]
VCC A0
5.0 0
TX_[X242]
AT24C02BN-10SU-1.8
IC102
EEPROM IC
AT+5V
B103 FCM1608KF-102T02
REMOCON_IN
LED ON SW
Q101 B104 FCM1608KF-102T02
KRA104SRTK
5.0
5.2 B105 FCM1608KF-102T02
B106 FCM1608KF-151T06
0
LED_ON_H
P.CON+5V
+5V SW
Q102
KRA104SRTK
5.0 4.9
0
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.
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
FROM/TO OPERATION/REMOCON
(CP2001) CP103_1
A2001WV2-3P
GND 1
KEY B 2
KEY A 3
4
FROM/TO OPERATION/REMOCON
(CD2004) CP106
A2001WR2-5P
REMOCON IN 1
GND 2
AT+5V 3
STANDBY LED 4
3
LED_ON 5
2
PCBDH0
CEF251
1
H
H-18