Advertisement
A
B
8
KEY_1
7
D112
MTZJ5.1B
DVD_OUT-H
EMERGENCY SW
Q102
0
DTC124EKA
0.2
C140
FOR_VCR
220P CH
0
6
R122
EMERGENCY
C108
100 1/4W
22P CH
C141
X101
100CT4R013
25V
100
YK
4MHz
C109
24
22P CH
C121_1
R101
25V
10
KA
VOL_PWM
10K
TX
5
TUNER_H
H_CONT
PROTECT
R123
AV2
10K
C149
100P CH
AV1
25
R107
1K
1/4W
V_OUT
D102
MTZJ5.1B
26
D108
HD
4
1SS133
3
44
R108
CVBS_TXT
270
C101
68P CH
C105
0.1 B
C106
0.022 B
2
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A
B
H-11
C
MICON/TUNER SCHEMATIC DIAGRAM
(AV PCB)
RED LED DRIVE
Q103
STAND BY
2SA1037AK
R132
3.1
3.1
220
2.4
LTL-1CHEE-002A
MICON W/T.TEXT IC
IC101
OECF017C
4.9
4.9
KEY_1
REMOCON
S805Y
4.9
4.9
100P
DVD_OUT-H
RESET
NC
0
0
R120
POWER FAIL
A MUTE
4.7K
0
4.9
FORTHD VCR 1
DVD RESET
R119
0
0
100K
NC
X-RAY
DEGAUSS
0
1.9
OSC_IN
TU/RGB
NC
4.8
2.3
OSC_OUT
DVD_POWER
S805X
1.6
0
R139
SECAM VL-H
KEY_2
0.2
R127
4.9
VOLUME
STANDBY LED
10K
4.8
3.5
TX
POWER
0
5.0
TUNER HI
NC
0
4.9
R133
10K
H_CONT
IIC_OFF
R154
R134
0
4.9
10K
10K
SDL
PROTECT
R114
0
0
4.7K
AV2
EXT_MUTE
R124
0
0.7
R144
10K
AV1
OSD_B
1K
0.2
R145
4.7
V_SYNC
OSD_G
R116
1K
0.2
R146
0.6
10K
H_SYNC
OSD_R
R131
1K
0
R147
4.9
100K
AVDD1
OSD_FB
1.2K
2.0
2.0
PXFM
SDA
R115
0
2.5
4.7K
JTRSTO
RX
0
4.9
GND
VDD
C114
0
2.5
C115
AGND
JTDO
NC
0
C111
1.6
CVBS1
WSCR
0.47 B
0
C112
1.8
CVBS2
VPP
82P CH
4.7
4.9
NC
JTMS
AVDD3
C118
4.9
4.9
0.1
B
AVDD2
TEST0
1.6
0.6
R113
NC
MCFM
CVBSO
4.8
R111
2.1
TXCF
JTCK
NC
15K
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
NC
NC
0
0
5
4
NC
NC
OS101
PIC-37243SR
RESET VCC
GND
1
2
3
W861
D101
0
NC
4.9
4.9
C139
4.9
4.9
0
16V
47
D104
YK
C122_1
1SS133
R105
C120
10V
100
YK
10K
0.1
B
0
2.0
RESET SW
4.6
Q101
C134
D110
DTC124EKA
CH
MTZJ5.6B
R151
4.7K
W835
R158
2.2K
4.7K
1/4W
R148
10K
R129
100
22
R155
4.7K
R140
2.7K
R141
2.7K
R142
2.7K
R143
1.5K
R128
100
23
L101
0.1
B
10uH 0305
10V
1000
YK
4.9
0
4.7
4.7
8
7
6
5
5.6K
1
2
3
4
0
0
0
0
L102
10uH 0305
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
MONITOM TUNER
TU101
TUWRF4EG-778F2D P3
0
NC
NC 4.9
NC 4.0
NC
NC 2.2
30.7
3.8
R106
D103
10K
11EQS04TA1B2
R121
100
1/4W
TUNER_BT
POWER_FAIL
DVD_POWER_H
KEY_2
POWER_ON_H
A_MUTE
IF
DVD_RESET
SCL
DEGAUSS
EXT_MUTE
OSD_B
OSD_G
OSD_R
OSD_FB
SDA
RX
D105
21DQ09N
CAUTION
:SINCE THESE PARTS MARKED BY
ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
F
G
H
8
TEST POIN
7
CP101
A2001WV2-6P
GND
1
I2C SCL
2
I2C SDA
3
I2C OFF
4
RF AGC
5
VIDEO OUT
6
FROM/TO REGULATOR
AT+5.7V
6
GND_A
P.CON+5V
DVD_RESET
RX
TX
DVD_POWER_H
GND
POWER_ON_H
TO SOUND AMP
5
POWER_ON_H
A_MUTE
VOL_PWM
FROM POWER
POWER_FAIL
DEGAUSS
TUNER_BT
EMERGENCY
GND
FROM CHROMA/SIF/VIF/21PIN
4
PROTECT
IF
VIDEO_OUT
RF_AGC
OSD_B
OSD_G
OSD_R
OSD_FB
SCL
SDA
CVBS_TXT
HD
V_OUT
3
FOR_VCR
H_CONT
DVD_OUT-H
AV1
TO IN/OUT
KEY_1
KEY_2
TO AUDIO SW
EXT_MUTE
2
AV1
AV2
TUNER_H
PCB250
CME033
CAUTION: DIGITAL TRANSISTOR
1
H
H-12
Advertisement
