Toshiba 26HF15 Service Manual page 42

A B
MICON1 SCHEMATIC DIAGRAM
(AV PCB)
8
EEP ROM IC 256K
IC199 AT24C256N-10SU-2.7
7 3.2
VSS VCC
0
A2 TEST
22
3.2
A1 SCL
21
3.2
A0 SDA
0
3.1
R107
6
0
10K
0
NC (DTV POWER)
3.1
STAND BY_L
R105
0
DEGAUSS_H
10K C144
0
IIC_OFF
R108 1 B
0
PROTECT
10K R110
0
H_CNT
10K
0
NC NC
0
5 R102
1.8
AFT_MAIN
2.2K
0
R104 KEY B
0
2.2K KEY A
C146
1.6
X-RAY
50V 4.7 KA 10K
R106 0
(V.HOLD_POP)
R168 10K
0
(HLF_POP)
R114 10K
3.2
(CVIN_POP)
C142 C106
0
C109
TVSETB
1 B
0.1 B
5.0
R112 0.1 B
R116 R117
1.8
4
10K
1M 470
C122
C143 D106
680P CH
1.0 2.0
1 B
C103
MTZJ5.6B
C102
1 B
6.3V 470 YK
R173
1K BUFFER
2.5
1/4W
Q103
2SA1530A1
1.9
0
3
R103
RESET SW
22K 1/4W
Q104
SYSTEM RESET
RT1N140C
IC103 PST3229NR
0 3.3
3.3
3.3
2 0 0
CAUTION: DIGITAL TRANSISTOR
1
A B
G-13
C
D110
MTZJ3.9B
D109
MTZJ5.6B
R152
100 1/4W
R153
100
NC NC
NC NC NC NC NC NC NC NC NC NC NC NC
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 3.1 0 3.1 0 0 0
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59
79.S_DET_2 52.EXT MUTE
80.S_DET_3 51.AUDIO MUTE
81.TV POWER 50.(FLASH ADD.15)
82.P.CON DET. 49.(FLASH ADD.14)
48.(FLASH RESET)
MICON
IC101
OEC7118A
E0
32.OSD R
99.VCC(5V)
31.SDA2
100.CVIN_MAIN
30.HDMI Tx
1.V.HOLD_MAIN
29.HDMI Rx
2.HLF_MAIN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
2.4
5.0 5.0 0 0 3.2 0 0 0 0 3.2 3.3 0 3.3 1.9 0 3.2 3.2 3.2 3.2
NC
NC NC
NC NC
X103
100WT01611
16MHz
25
R122 100
R118 100
SYSTEM RESET
IC102 PST3229NR
3.3
0
W838
R176
15K
D112
11EQS04N
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
5.0
SW
Q102
0
SW 0 2SC3052-T1
R154
0.7
Q101 0
2SC3052-T1
NC 1K 1/4W
NC
NC 0
0 0 3.2 3.2 0 0 0 0
58 57 56 55 54 53 52 51
0
NC
0
NC
0
NC
0
NC NC
R171
0
CE
10K 1/4W
0
AV SW5 NC
R101
0
AV SW4
1K 1/4W R161
0
AV SW3
R162 1K
0
AV SW2
R165 1K 1/4W
0
(EPM)AV SW1
10K
0
(DTV RESET) NC
0
HDMI RESET NC
R163
0
R141
(RTS0)
10K R164
0 R142
4.7K
(CLK0)
10K
3.2 4.7K
DTV Rx
3.2
DTV Tx
R143 100 C139
1.2
OSD B
100 0.1 B C140
1.2 R144
OSD G
R145 0.1 B
1.2
R139 100
5.0
100 R140
23 24 25 26 27 28 29 30
100
0 0 0 3.2 0 5.0 5.0 5.0 24
NC NC
R136
NC
R135
4.7K
23
4.7K
R134
27K
R130
1K
R131
100
W830
W822
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
F G
C141
0.1 B
F G
H
EEP_DATA
CP103 A2001WR2-7P
GND 1
SCL_EEP 2
SDA_EEP 3
8
IIC_OFF 4
NC NC 5
SDA1 6
SCL1 7
FROM/TO TUNER/AV
VIDEO_MUTE
EXT_MUTE
AFT_MAIN
S_DET_3
S_DET_2
S_DET_1
7
AV2
SDA1
SCL1
6
FROM/TO STEREO
STEREO_RESET
SDA1
SCL1
FROM/TO SYNC COUNT/CONNECTOR
CVIN_MAIN
AV4
AV3
5
SDA2
SCL2
C_SYNC
SDA1
SCL1
3D_Y/C_RESET
SCALER_RESET
FROM/TO OPERATION
CP605 (CD605)
A2001WV2-7P
H_SYNC 1
V_SYNC 2
4
OSD_R 3
OSD_G 4
OSD_B 5
SDA1 6
SCL1 7
FROM/TO OPERATION
CP101 (CD101)
A2001WV2-11P
OSD_BLK2 11
OSD_BLK1 10
X-RAY 9
H_CONTROL 8
3
PROTECT 7
TILT_DRIVE 6
GND 5
AUDIO_MUTE 4
KEY_B 3
KEY_A 2
REMOCON 1
FROM/TO REGULATOR
GND
AT+5V
POWER_FAIL
2
AT+3.3V
STANDBY_L
TV_POWER_H
DEGAUSS_H
P.CON+3.3V_GHYPER
P.CON+5V
PCBD20
CED019
1
E0
H
G-14