Toshiba 32DF46 Service Manual page 27

A B
8
C101
0.01 B
C139
1 F
C104
10V 100 YK
D112
EEP ROM IC 128K IC
MTZJ5.6B-EIC
IC199 AT24C128N-10SU-1.8
7
D113
0
VSS
MTZJ5.6B-EIC
0
D114
A2 TEST
MTZJ5.6B-EIC
0
A1 SCL
0
A0 SDA
TV_POWER_H
R111
6 DTV_POWER_ON-H
100
STAND_BY_L
DEGAUSS_H
R107
IIC_OFF
R108
PROTECT
C120 1 B
H.CTL
R110
EO_LEAK
R109
AFT_MAIN
R102
5 KEY_B
R104
KEY_A
C142
X-RAY
R106
R168
R114 10K
C106 0.1 B
C109 0.1 B
VIDEO_OUT
R116 R117
1M 470
C122
4
680P CH C103
1 B
C102_1
10V 1000 YK
5.2
BUFFER
4.5
Q103
KTC3875S_Y_RTK
3.9
3
2
ACCESSORY
BT001
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
MNAAA(R03)
1 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
TM101
BT002 ORT204N7404359-U
MNAAA(R03)
A B
G-1
C
MICON SCHEMATIC DIAGRAM
3.2
VCC
0
3.2
3.2
NC NC
NC NC NC NC NC NC NC NC
3.2 3.2 3.2 0 0 0 0 0 0 0 0 0 0 0
80 79 78 77 76 75 74 73 72 71 70 69 68 67
3.2
NC
3.2
DTV POWER ON-H
3.2
STAND BY_L
0
DEGAUSS_H
10K
79 NC
3.2
IIC_OFF
10K
80 NC
0.3
PROTECT
81 TV POWER
0
H_CTL
10K
82 NC
0
EO_LEAK
10K
0
NC NC NC
3.2 (V.HOLD_POP)
AFT_MAIN
2.2K
3.2
(HLF_POP)
KEY B
2.2K
3.2
KEY A
1 B
99 VCC(5V)
1.3
X-RAY
100 CVIN_MAIN
10K 0
V HOLD2
1 V.HOLD_MAIN
10K 0
HLF2
2 HLF_MAIN
3.2
CVIN2
0
TVSETB
5.2
2.5
1 2 3 4 5 6 7 8 9 10 11 12 13 14
33 0 1.3 4.8 4.7 0 0 0.3 0 0 0 0 3.2 1.7 0 1.5
NC NC NC NC
NC
34
X103
100WT01611
16MHz
RESET IC
IC102 PST3229NR
3.2
0
NC
NC OUT
3.2
IN
0 0
NC GND
NC
B102
W5RH3.5X5X1.0
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.
C
D E
(TV MT PCB)
NC NC
NC NC
NC
NC NC NC NC NC NC
0 0 3.2 3.1 2.9 0 0 3.2 0 0 3.2 3.2 0 0 0 0
66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
0
NC
0
NC
0
NC
0
SD
0 R171
(WR)
48 NC
0 10K
NC NC
49 NC
0
NC NC
50 (FLASH ADD.15)
3.2
NC NC
51 AUDIO MUTE
0
NC NC
52 EXT MUTE
0
MICON IC
(EPM)AV SW1
IC101
3.2 R103
OEC7144A
(DTV RESET)
3.2 100
NC NC
3.2
BUSY
29 NC
3.2
(CLK0)
30 NC
3.2
DTV Rx
31 AFT0
3.2
DTV Tx
32 OSD R
0
R143 470
OSD B
0
R144 470
OSD G
0
R145 470
D111
5.1
SB140-EIC
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
3.2 1.9 3.2 3.2 3.1 0 0 3.2 3.2 3.2 0 3.2 5.1 0 0
NC NC NC NC NC NC
NC NC NC NC
BUFFER
Q101
KTA1504S_Y_RTK
R162
4.2 10K
5.0
P.FAIL_SW
4.9
Q106
R160
KTA1504S_Y_RTK
1.8K 1/4W
R125 R127 R133
560 2.7K 560
4. 2
3.2
CAUTION: DIGITAL TRANSISTOR
D E
F G
EEP_SCL
EEP_SDA
IIC_OFF
SDA1
SCL1
SD-H
R142 2.2K
W859
DTV_TX
C143
R166
BUSY 1
100P CH AT+5V R149 1
R167 1
CLK0
DTV_RX R154 1
R165
R155 1
CNVSS
10K
DTV_RESET RESET R156 1
R164 10K
R163 10K
BUSY
CLK0
DTV_RX
DTV_TX
R141
OSD_B
2.2K
OSD_G
OSD_R
AFT_0[L/H]
P.CON+5V
BUFFER
0.7 Q107
0.1
KTA1504
0.7 BUFFER
S_Y_RTK
0
Q102
0.7 0.1
KTA1504
0
S_Y_RTK
0.1
W839
0
5.0
BUFFER
3.9 Q104
KTC3209_Y
3.3
TV_POWER_H
P.FAIL
OS101
RPM7138-WH5
B+ 3
GND 2
Vout 1
FROM/TO POWER
0
UN_REG.6V
STAND_BY_L
EO_LEAK
P.FAIL
TV_POWER_H
DEGAUSS_H
GND
F G
H
8
CP102
A2001WV2-7P
GND 1
W842
SCL_EEP 2
7
W860
SDA_EEP 3
W843
IIC_OFF 4
NC NC 5
SDA2 6
SCL2 7
FROM/TO AV SW/SOUND AMP/TONE CTL
GND
SDA1
SCL1
S_IN
CNT2
6
CNT1
AUDIO_MUTE
CP101
A2001WR2-8P
1
DTV_TX
BUSY 2
AT+5V 3
CLK 4
DTV_RX 5
CNVSS 6
RESET 7
GND 8 5
TO COMB/FILTER
DIGITAL_H
GND
FROM DEFLECTION
X-RAY
FROM/TO TUNER
DTV_POWER_ON-H 4
DTV_RESET
DTV_RX
DTV_TX
AFT_MAIN
SD-H
AFT_1[L/H]
AFT_0[L/H]
GND
FROM/TO CHROMA/IF
C.SYNC
3
VIDEO_OUT
HD
VD
OSD_R
OSD_G
OSD_B
SDA1
SCL1
TV_POWER_H
OSD_BLK2
OSD_BLK1
H.CTL
2
PROTECT
GND
AT+5V
P.CON+5V
PCB070
CME077
1
H
G-2