Micon Schematic Diagram - Aiwa VX-T1470PH Service Manual

A B
8
W922
BUFFER
7 Q6504
2SC2412K
0.9
0.7
0
BUFFER
Q6503
R6508 C6512
2SA1037AK W847
9.1 TU.VIDEO[B]
270 1 F
5.0
C6511 R6514
BUFFER 0.5
8.9
Q6502
2.5
1 F 12K
2SC2412K
0
6
TO SOUND AMP
TV_POWER-H
GND
MUTE-H
5
4
P.CON+5V[B]
5.1
0
SWITCHING
Q107
0
2SC2412K
R162
1K
3
RESET
IC103 PST600H
Vcc GND OUT
1 2 3
2
0
5.0 5.1
D118 D119 D120
R129
11EQS04N 11EQS04N 10K 1SS133
C124
0 0 0 0
50V 4.7 KS
1 2 3 4
8 7 6 5
5.1 0 4.5 3.7
1
A B
C

MICON SCHEMATIC DIAGRAM

SWITCHING
L102 5.1
Q111
5.1
VDD
2SC2412K
22uH
4.9
4.9 4.9
VCR_POWER-H
VCR POWER
SWITCHING
Q110
5.1
4.9
2SC2412K
TV POWER
4.9
4.9
TV_POWER-H 0
NC AUDIO B
0
NC AUDIO A
R181 C113
0
5.5/6.0MHZ 10K 0.022 F
SIF
R101
4.7
STR-B 4.7K
STRB
R108
5.1
4.7K
S.CLK
SCLK
R102
4.8
S.DATA-T-S 4.7K
STS
R103
4.3
S.DATA-S-T 22K
SST
R104
0
VCR_MUTE 10K
VCR MUTE
0
TU_MUTE
TUNER MUTE
R105
0.9
W901
1.8K
SD
R106
5.0
REMOTE
10K
18
C109
2.5
REMOTE
32KHz OSC
18P CH
1.0
32KHz OSC
0
POWER FAIL
5.1
RESET
2.4
X.OUT
X102
2.1
X.IN
EFOEC 8004T4
W909
8MHz
0
TEST
C107
5.1
OSC2
10P CH
R121
C108
5.1
OSC1
4.7K
10P CH
B.B-H
0
B.B HI
R122
R155
3.7
4.7K
SDA
SDA
R123
270
R156
4.5
SCL 4.7K
SCL
270
R114
5.0
VD
10K
R115
4.5
HD
10K
0
SWITCHING
OSDBLK
Q105
C117
2SC2412K RS
0
0.0047 R116 5.0 OSDB
VD 0.6
B
22K
0 0
OSDG
0
OSDR
SWITCHING
R118
Q106 4.5
47K
DTC114TKA
HD
0.6
0
C178
100P
CH
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
C
D E
(SYSCON PCB)
W827
0
0
TIMER MICON SWITCHING
IC101 OEC6052A Q102
0 2SC2412K
VSS
0
PAL/SEC.A
R157
0 10K
HALF TONE
NC
0
SINEMA/4:3
R134
5.1
10K
IIC OFF
R159
2.2
H.SW
10K
0
NC
C.ON/OFF
0
NC
0
T'TEXT RESET
NC
0
H.BLK CUT
NC
C112
0
6.3V 330 KS
MUTE H
R171 D102
MUTE-H
4.0
1.5K LFB-01L
VT
0.2
NC
0
P.B.LED
R124
0
10K
NC
0
NC
4.9
TRICK PB L
TRICK_PB-L
0.2
AGC
2.6
V.SIZE/V.POSI
NC
0
AV2
NC
0
AV-HI
AV-H
R190
AV-H
1.0 10K
ATS.LEVEL
ATS LEVEL
4.9
COLOR SYSTEM
0
DV SYNC
2.5
AFT
5.1
KEY A
5.1
KEY B
R150
0
VL
4.7K
R151
0
VH
4.7K
0.2
SECAM_VL
NC
0.1
NC
0
VSS
NOTE:
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
D E
J-14
F G
R133
0.5
10K
FROM/TO POWER I/O
POWER_FAIL[DC]
R185
P.CON+9V
150 1/4W
P.CON+5V[B]
VCR_POWER-H
GND
SCL
SDA
R110
I2C_OFF
R136 AT+5.6V
22K
1K TO CHROMA
VCR_POWER-H
FROM/TO SYSCON
R163
H.SW
2.2K
STR-B
S.CLK
S.DATA-T-S
S.DATA-S-T
TRICK_PB-L
AV-HI
PWM_VT
FROM/TO TUNER/AUDIO
R141
5.5/6.0MHZ
10K
C150
330P CH PWM_VT
VL
R184
VH
VCR_MUTE
15K
W880
AGC_CONTROL
AFT_S.CURVE
TU_MUTE
ATS.LEVEL
TU.VIDEO[B]
GND[A]
FROM/TO Y/C
SDA
SCL
AV-H
R172
COLOR_SYSTEM
4.7K
DV_SYNC[T]
DV_SYNC
R146
4.7K
R147
FROM/TO CHROMA
4.7K
OSDR
OSDG
OSDB
OSDBLK.
HD
VD
TV_POWER-H
SDA
SCL
B.B-H
FROM/TO OPERATION 1
REMOTE
PB_LED
KEY-A
KEY-B
TV_POWER-H
CAUTION: DIGITAL TRANSISTOR
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.
F G
H
8
7
6
5
4
3
2
TUNER VIDEO SIGNAL
R.SIGNAL
G.SIGNAL
B.SIGNAL
DEFLECTION SIGNAL
1
PCB010
VM8158
H