Micon/Chroma - Durabrand DTV1307 Service Manual

RCA JACK
2
J702
RCA JACK
2
J703
2
EAR PHONE JACK
3
J1001
1
SPEAKER
SP1001
POWER
VOL DOWN
CH DOWN
VOL UP
CH UP
OS101
1
MEMORY IC
IC101
S-24CS08AFJ-TB-1GE
SCL
SDA
AT+5V
UNREG+5V
2
3
REG.+3.3V/+2.5V
IC001 BA33E00WHFP-TR
H-1
X102
3.579545MHz
SOUND AMP
IC1001 AN7513
6 4
2
8
A/V SW
IC7301 NJM2534V (TE2)
7
3
Q7301, Q7302
MIXER 2
5
1 4
1
6
5
13
DIGITAL AUDIO SW
9
10
SN74LV4053APWR
11
16
1
5
6
MICON/CHROMA BLOCK DIAGRAM

MICON/CHROMA

IC102 OEC7177A
35 CVBS_IN1
B OUT 49
18 3.58_XTAL
G OUT 48
R OUT 47
Q1001
MUTE SW
53 AUDIO_MUTE
VRAMP OUT 37
H OUT 44
3
VOLUME_PWM
H_CTL 54
51 AUDIO_SW
DTV_CS 65
52 AUDIO_SW2
DTV_DATA_IN 59
74 POWER_ON DTV_DATA_OUT 58
7 DTV_CLOCK 57
KEY1 57
9 DTV_RESET 12
KEY2
75 REMOCON DTV V
27
11 DTV_POWER_ON- DTV Y
25
H
14 IIC_BUS_SW DTV U 26
79 SDA AFT 6
77 A_TUNER_CVBS 23
SCL
TU001
20 19 18 16
15 12 13 14
14
15
IC005
12
2
R. SIGNAL
G. SIGNAL
B. SIGNAL
DEFLECTION SIGNAL
AUDIO SIGNAL
TUNER VIDEO SIGNAL
J801
Q803
BLUE OUT F
3
Q802
8
GREEN OUT 9
Q801
V-OUT IC
RED OUT
7
IC401 STV9302B
7
Q106 Q401 Q402
H.DRIVE
H.CTL H.OUTPUT
FB401
F
HV
S 1
CRT
V801
5
DY
FROM/TO DIGITAL
CP001
NC
21
AFT
NC
SPDIF OUT 20
NC 19
AVCC+9V
NC MESSAGE_REQ 6
SIF(2nd CVBS) 16
NC
2
P.CON+5V D_P.CON+5V
8
RX(DTV_MAIN
9
TX(DTV-MAIN)
12CODATA 10
11
12COCLK
12
DTV_RESET
13
Pr OUT
14
Y OUT
15
Pb OUT(C)
24
IF OUT1
25
IF OUT2 IF OUT2
22
IF AGC
27
TUNER_I2C_DATA
28
TUNER_I2C_CLOCK
7
D_P.CON+3.3V
D_P.CON+2.5V 1
AUDIO OUT L 17
AUDIO OUT R 18
5
ASIC+1.5V
H-2