Toshiba 27DF47 Service Manual page 27

A B
8
C139
1 B
C104
10V 100 YK
EEP ROM IC 8K IC
IC199 AT24C08AN-10SU-2.7
0
7
VSS VCC
0
A2 TEST
0
A1 SCL
0
A0 SDA
AUDIO_MUTE
R106
6
3.3K
POWERFAIL
IIC_OFF
R107 100
DEGI_ST_L
R138 100
C101 16V 47
KA
C105 16V 22 KA
5
C106 50V 4.7 KA
R113
100
R114 100
C135 0.1 B
C136 0.1 B
C146 0.0022 B
EO_LEAK
R109 10K
4
3
2
ACCESSORY
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
BT001
1
MNAAA(R03) OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
BT002
TM101
MNAAA(R03)
076N0NH010
A B
G-1
C
MICON SCHEMATIC DIAGRAM
3.2
0
3.2
33
34
3.2
NC NC NC NC NC NC NC NC NC NC NC NC
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66
NC
NC FF/REW-L
POWER_FAIL_L
81 EXT_MUTE
IIC OFF
82 TV_A_MUTE
CAP-FG
83 SPDIF MUTE-H
AMP-VSS
MESSERGE_REQ_IN
DRUM FG/PG
AMP-VREFOUT
AMP-VREFIN
98 AMP-VCC
C
99 ANALOG VCC
CTL-
100 E0 REAK
CTL+
AMP C
CTL AMP-OUT
TIMER SYSCON MICON IC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
IC101
NC NC NC NC NC NC NC NC NC NC
OEC7174A
RESET IC
IC102 PST3245NR
3.2
0
NC
NC OUT
D104
3.2 1SS133
IN
0 0
NC GND
NC
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
(TV MT PCB)
BUFFER
Q104
KTA1504S_Y_RTK
C109
R140
390K
R117
1K
C103
1 B
C102_3
6.3V 1000
NC NC NC
NC
65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
NC
DVD POWER ON-H
NC
NUB
50 S IN
OSC-OUT2
L101 R131
2.2uH 2.7K
49 OSD-VSS
OSC-IN2
R130
48 DVD RESET
CLKSEL
33K 1/4W
REC MUTE-H NC
SPDIF SW
NC
VSS
R136
X-OUT(12MHz)
1K
X-IN(12MHz)
33 Y/U/V SW
VCC
32 CHROMA P.-H
C138
X102
XC_OUT(32KHz)
31 DTV RESET
22P
100DA32R01
XC_IN(32KHz)
32.768KHz
RESET-L
NC
NC
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
NC
NC NC NC NC NC
R162
10K
4.2
5.0
P.FAIL_SW
4.9
W857
Q106
KTA1504S_Y_RTK
R125 R127 R133
560 2.7K 560
4.2
3.2
LED_SW
Q105
KRC103SRTK
D E
F G
P.CON+5V
4.8 SCL1
4.2
SDA1
4.2
1.9 IIC_OFF
VIDEO_OUT
1.8 DTV_RX
R142 1.2
VIDEO_AMP
DTV_TX
1 B
Q108
390
+3.3V_D
KTC3875S
Y_RTK
RESET
R116
1M
C122
390P CH
YK
R159
10K
S_IN
S829X
C130 20P CH
C131 18P CH
C133 18P CH
X101
100GT01215 18P CH
C134
12MHz
C132 0.01 B
CH C137
CH
20P
RESET
W812
DTV_RESET
C143
100P CH
TV_POWER_H
P.FAIL
OS101
ROM-V338SY
B+ 3
GND 2
Vout 1
0
CAUTION: DIGITAL TRANSISTOR
F G
H
CP101
A2001WR2-8P 8
GND 1
SCL 2
SDA 3
IIC_OFF 4
DTV_RX 5
DTV_TX 6
+3.3V 7
RESET 8
TO AV SW/SOUND AMP/TONE CTL
S_IN
7
VOLUME
CNT2
CNT1
AUDIO_MUTE
FROM DEFLECTION
X-RAY
FROM/TO TUNER
DTV_POWER_ON-H
DTV_RESET
6
DTV_RX
DTV_TX
AFT_MAIN
DEGI_ST_L
DIGITAL_SLECT_H
+3.3V_D
FROM/TO CHROMA/IF
HD
VD
OSD_R
OSD_G 5
OSD_B
SDA1
SCL1
TV_POWER_H
OSD_BLK
CNT3
H.CTL
PROTECT
VIDEO_OUT
P.CON+5V
AT+5V
4
FROM/TO POWER
STAND_BY_L
EO_LEAK
P.FAIL
TV_POWER_H
DEGAUSS_H
GND
3
2
PCB070
CMF094
1
H
G-2