Micon - Toshiba 30DF56 Service Manual

A B
C101
8
0.01 B
C139
1 F
C104
10V 100 YK
32
31
D112
EEP ROM IC 128K IC
MTZJ5.6B-EIC IC199 AT24C128N-10SU-1.8
7
S804Y 0
VSS VCC
D113
0
A2 TEST
S805Y MTZJ5.6B-EIC
0
D114
A1 SCL
MTZJ5.6B-EIC
0
A0 SDA
TV_POWER_H
R111
6
DTV_POWER_ON-H
100 1/4W
STAND_BY_H
DEGAUSS_H
R107 10K
IIC_OFF
R108 10K
PROTECT
C120 1 B
H.CTL
R110 10K
EO_LEAK
C146 1 B
AFT_MAIN
R102 2.2K
5
KEY_B
R104 2.2K
KEY_A
C142
X-RAY
R106 10K
R168
10K
R114 10K
C106 0.1 B
C109 0.1 B
VIDEO_OUT
R116 R117
1M 470
C122
4
680P CH C103
D108
1 B
C102_1
MTZJ5.6B-EIC
10V 1000 YK
S803X
5.2
BUFFER
4.5
Q103
2SC3052
3.9
3
ACCESSORY
2
BT001 TM101
ORT204N7404359-U
MNAAA(R03)
BT002
MNAAA(R03)
1
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-1
C
MICON SCHEMATIC DIAGRAM
S803Y
3.2
0
3.2
3.2
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 0
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66
3.2
NC
3.2
DTV POWER ON-H
3.2
STAND BY_H
0
DEGAUSS_H
79 NC
3.2
IIC_OFF
80 NC
0.3
PROTECT
81 TV POWER
0
H_CTL
82 NC
0
EO_LEAK
0 MICON IC
NC NC NC
IC101
3.2 (V.HOLD_POP) OEC7161A
AFT_MAIN
3.2
(HLF_POP)
KEY B
3.2
KEY A
1 B
99 VCC(5V)
1.3
X-RAY
100 CVIN_MAIN
0
V HOLD2
1 V.HOLD_MAIN
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 15
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
R170
34
1M
X103
100WT01611
16MHz
+-20ppm
IC102 PST3229NR
3.2
0
NC
NC OUT
3.2
IN
0 0
NC NC GND
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)
S805X
NC
NC
NC NC NC
NC NC NC NC NC NC
0 3.2 3.1 2.9 0 0 3.2 0 0 3.2 3.2 0 0 0 0
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
(EPM)AV SW1
3.2 R103
(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
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
BUFFER
Q101
2SA1530A-T1
R162
BUFFER
4.2
10K
Q106
2SA1530A
5.0
-T1
4.9
R160
1.8K
R125 R127 R133
560 2.7K 560
3.2
4.8
0
AT+5V
Q105
RT1N241C
CAUTION: DIGITAL TRANSISTOR
D E
F G
EEP_SCL
EEP_SDA
IIC_OFF
W842
SDA1
W843
SCL1
SD-H
R142
2.2K
W859
C143 DTV_TX
1
BUSY R166
100P CH
W804
AT+5V
R167 1
CLK0
R165
R154 1
DTV_RX
10K CNVSS R155 1 1/4W
DTV_RESET
R156 1 1/4W
R164 10K RESET
R163 10K
BUSY
CLK0
DTV_RX
DTV_TX
R141 2.2K
OSD_B
OSD_G
OSD_R
AFT_0[L/H]
P.CON+5V
0.7
0.1
0.7
0
0.1
BUFFER
Q107
0.7
BUFFER
0.1
0
2SA1530A
Q102
-T1
2SA1530A-T1
0
W839
BUFFER
5.0
Q104
3.9
KTC3209_Y
3.3
D105
MTZJ3.9B-EIC
S804X
TV_POWER_H
P.FAIL
OS101
ROM-V3138SY
GND 3
B+ 2
Vout 1
FROM/TO POWER
STAND_BY_H
EO_LEAK
P.FAIL
TV_POWER_H
DEGAUSS_H
GND
F G
H
8
CP102
A2001WV2-7P
GND 1 7
SCL_EEP 2
SDA_EEP 3
IIC_OFF 4
NC NC 5
SDA2 6
7
SCL2
FROM/TO AV SW/SOUND AMP/TONE CTL
SDA1
SCL1
S_IN 6
CNT2
CNT1
AUDIO_MUTE
CP101
A2001WR2-8P
1
DTV_TX
BUSY 2
3
AT+5V
CLK 4
DTV_RX 5
CNVSS 6
RESET 7
5
GND 8
TO COMB FILTER
DIGITAL_H
FROM/TO DEFLECTION
X-RAY
TILTDRIVE
SG_SW
FROM/TO TUNER
SDA1 4
SCL1
DTV_POWER_ON-H
DTV_RESET
DTV_RX
DTV_TX
AFT_MAIN
SD-H
AFT_1[L/H]
AFT_0[L/H]
DIGITAL_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
PCB070
CMF089
1
H
G-2