Micon; Stereo - Toshiba 26HF66 Service Manual

A B
8
C101
0.01 B
C104
10V 100 YK
22 21
7
TV_POWER_H
AV/EPG_P-H
6 DTV_POWER_ON-H
STANDBY_L
DEGAUSS_H
IIC_OFF
PROTECT
H_CTL
E0_REAK
AFT_MAIN
5 KEY_B
KEY_A
X-RAY
FROM/TO STEREO
STEREO_RESET
SDA1
SCL1
P.CON+5V
P.CON+8V
GND
FROM/TO TUNER
4
DTV_POWER_ON-H
DTV_RESET
DTV_RX
DTV_TX
SD-H
AFT_1[L/H]
AFT_2[L/H] R172
AFT_MAIN
100
P.CON+5V
GND
DTV_A_MUTE-L
3
FROM/TO AV_SWICTH/JACK
GND
AT+5.2V
AT+3.3V
P.CON+9V
P.CON+5V
C.SYNC
S_DET_3
S_DET_2
S_DET_1
Y_OUT[MICON]
AV2
EXT_MUTE AV/EPG_P-H
2
SWD_Y_DET
SDA1
SCL1
CAUTION: DIGITAL TRANSISTOR
1
NOTE:THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
A B
G-11
C
MICON SCHEMATIC DIAGRAM (AV PCB)
EEP ROM IC 128K IC
IC199_1 AT24C128N-10SU-1.8
0 3.2
VSS VCC
0
0
A2 TEST
0 3.2
A1 SCL
3.2
0
A0 SDA
NC NC NC NC NC NC NC NC
3.2 3.2 3.2 0 0 0 0 0 0 0 0
80 79 78 77 76 75 74 73 72 71 70
3.2
3.2
R111
3.2
DTV POWER ON-H
100 1/4W
3.2
STAND BY_L
R105 10K
0
DEGAUSS_H
R107 10K 1/4W
79 S_DET_2
3.2
IIC_OFF
R108 10K
80 S_DET_3
0.3
PROTECT
C120 1 B
81 TV POWER
0
H_CTL
R110 10K
82 COMB P-H
0
E0_REAK
R109 10K
0
NC NC AFT_POP
3.2
AFT_MAIN
R102 2.2K
3.2
KEY B
R104 2.2K
3.2
KEY A
C142 1 B
99 VCC(5V)
1.3
X-RAY
100 CVIN_MAIN
R106 10K 0
(V.HOLD_POP)
1 V.HOLD_MAIN
R168 10K 0
(HLF_POP)
2 HLF_MAIN
R114 10K 1/4W 3.2
(CVIN_POP)
C106 0.1 B
0
TVSETB
C109 0.1 B
5.2
R116 R117
2.5
1M C122 470
1 2 3 4 5 6 7 8 9 10 11
680P CH
23 0 1.3 4.8 4.7 0 0 0.3 0 0 0 0
NC NC NC NC
C103
D108
1 B
C102
MTZJ5.6B-EIC
10V 100 YK
24
5.2
4.5
BUFFER
3.9
Q103
2SC3928A
5.0 5.2
P.CON+5V SW
Q105 SYSTEM RESET IC
R138
4.4
KTA1281_Y
IC102 PST3229NR
0 3.2
22K
3.2
0.1
SW
3.2
Q104
0 0
RT1N431C
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
0.03
MUTE SW
(Q1003)
4.9 0
Q106
RT1N241C
NC NC NC NC
NC NC NC NC NC NC NC NC
0 0 0 0 0 3.2 3.1 2.9 0 0 3.2 0 0 3.2 3.2 0 0 0 0
69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
0
NC
0
NC
0
NC
0
SD-H
0
CE
48 CENTER CH SELECT
0
AV SW5 NC
49 (FLASH ADD.14)
0
AV SW4 NC
50 (FLASH ADD.15)
3.2
AV SW3 NC
51 AUDIO MUTE
0
AV SW2
52 EXT MUTE
0
MICON IC
(EPM)AV SW1
IC101
3.2
OEC7136A
(DTV RESET)
3.2
HDMI RESET NC
3.2
(RTS0)
29 HDMI Rx
3.2
(CLK0)
30 HDMI Tx
3.2
DTV Rx
31 SDA2
3.2
DTV Tx
32 OSD R
0
R143
OSD B
0
R144
OSD G
0
R145
5.1
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
3.2 1.7 0 1.5 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
X103
100WT01611
16MHz
P.CON+9V OUT IC
IC103 KIA78R09API
IN OUT GND
1 2
13.9 9.0 0
R101
1 1/2W
ATTENTION
:LES PIECES REPAREES PAR UN ETANT
DANGEREUSES AN POINT DE VUE SECURITE
N'UTILISER QUE CELLS DECRITES
DANS LA NOMENCLATURE DES PIECES
D E
F G
D109
DTV_A_MUTE-L
1SS133
4.9
MUTE SW (Q1002)
0.05
Q107
RT1N241C
0
R139
EEP_SCL
1K
EEP_SDA
IIC_OFF
STEREO_RESET
5.1
SDA1
SW
0
Q102
SCL1
2SC3928A
0
SW 0
R154
0.7
Q101
2SC3928A
1K 1/4W
0
DTV_TX
BUSY
AT+5.2V
CLK0
DTV_RX
CNVSS
RESET
SD-H
R171
10K R142
2.2K
C143
H_SYNC
100P CH
V_SYNC
R162
AV2 OSD_R
1K 1/4W R165 OSD_G
OSD_B
R103 10K
DTV_RESET
SDA1
R164 10K
100 1/4W
SCL1
R163 10K
BUSY
CLK0
DTV_RX
DTV_TX
0.1 B
100 C139
OSD_B
OSD_BLK2
100 C140 0.1 B
OSD_G
OSD_BLK1
100 C141 0.1 B
OSD_R X-RAY
H_CTL
AFT_1[L/H]
PROTECT
R141
TILT_DRIVE
2.2K
POWER_FAIL
AUDIO_MUTE
KEY_B
KEY_A
REMOCON
GND
AT+5.2V
AT+3.3V
UNREG+12V
UNREG+12V
E0_REAK
POWER_FAIL
STANDBY_L
DEGAUSS_H
TV_POWER_H
SW
3 4
3.2
AV/EPG_P-H
D105
P.CON+8V
11E1-EIC
P.CON+9V
CAUTION NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR.
:SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP
DESCRIBED IN PARTS LIST ONLY
IS NON POLAR ONE.
F G
H
8
EEP_DATA
CP103
A2001WR2-7P
GND 1
SCL_EEP 2
SDA_EEP 3
7
IIC_OFF 4
NC NC 5
SDA2 6
SCL2 7
MICON_DATA
CP102
A2001WR2-8P
W812
DTV_TX 1
W814
BUSY 2
W815
AT+5V 3
W816
CLK 4
W817
DTV_RX 5
W818
CNVSS 6
W819
RESET 7 6
GND 8
FROM/TO OPERATION
CP601 (CD605)
A2001WV2-7P
H_SYNC 1
V_SYNC 2
OSD_R 3
OSD_G 4
OSD_B 5
SDA1 6
5
SCL1 7
FROM/TO OPERATION
CP101 (CD101)
A2001WV2-11P
OSD_BLK2 11
OSD_BLK1 10
X-RAY 9
H_CONTROL 8
PROTECT 7
TILT_DRIVE 6 4
GND 5
W836
AUDIO_MUTE 4
KEY_B 3
KEY_A 2
REMOCON 1
FROM/TO OPERATION
CP104
(CD509)
3
A2001WV2-12P
GND 12
GND 11
AT+5.2V 10
AT+3.3V 9
NC UNREG+8V 8
UNREG+12V 7
NC UNREG+5V(P.CON) 6
TUNER+30V(EO) 5
POWER_FAIL 4
STANBY_L 3
DEGAUSS_H 2
TV_POWER_H 1
2
PCBD20
CEF155
1
H
G-12