Micon Schematic Diagram - Aiwa VX-G142 Service Manual

A B
8
7
BUFFER
Q6504
2SC2412K
0.9
0.7
0
BUFFER
Q6503
2SA1037AK
8.5
R6508 C6512
5.0
C6511 R6514
BUFFER 0.5
8.9 270
Q6502
2.5
1 F 12K
2SC2412K
0
6
TO SOUND AMP
GND
MUTE-H
5
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
4
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
CAUTION: DIGITAL TRANSISTOR
SWITCHING
2SC2412K
3
RESET
IC103 PST600H
2
1 2
5.0 0
D119 R129 D120
W981
1SS133
11EQS04 10K C124
50V 4.7
KS
0
1
1 8
5.1
PCB010
VM7125
A B
C

MICON SCHEMATIC DIAGRAM

W922
SWITCHING
Q111 W825
5.1
2SC2412K
4.9
4.9
VCR_POWER-H
SWITCHING
Q110
5.1
2SC2412K
4.9
4.9
TV_POWER-H
W847
TU.VIDEO[B]
1 F
R181 C113
10K 0.022 F
R101
STR-B 4.7K
R108
S.CLK 4.7K
R102
S.DATA-T-S 4.7K
R103
S.DATA-S-T 22K
R104
10K
VCR_MUTE
TU_MUTE
R105
W901
1.8K
R106
10K
18
C109
REMOTE
18P CH
X102
W909
EFOEC
8004T4
C107
P.CON+5V[B]
5.1 10P CH
R121
C108
0
Q107
4.7K
10P CH
0 B.B-H
R162
R122
1K
SDA 4.7K
R123
SCL 4.7K
R114
10K
R115
10K
C115
SWITCHING
Q105
100P CH
2SC2412K RS
R116 5.0
VD 0.6
10K
0
3
5.1
SWITCHING
R118
4.5
Q106
47K
HD DTC114TK
0.6
0
0 0 0
2 3 4 C178
100P CH
7 6 5
0 4.5 3.7
C
D E
(SYSCON PCB)
W827
TIMER MICON
IC101 OEC6044D
5.1 0
VDD
VSS
0
4.9
VCR POWER PAL/SEC.A
0
4.9
TV POWER HALF TONE NC
0 0
NC AUDIO B SINEMA/4:3
0
5.1
NC AUDIO A IIC OFF
0 2.2
R159
H.SW
SIF
10K
0
4.7
STRB NC
C.ON/OFF
5.1 0
SCLK NC
4.8 0
STS T'TEXT RESET NC
4.3 0
SST H.BLK CUT NC
C112
0 0
6.3V 330 KS
VCR MUTE MUTE H
R171 D102
0 4.0
1.5K LFB-01L
TUNER MUTE
VT
0.9 0.2
SD NC
5.0 0
REMOTE
P.B.LED
2.5 0
32KHz OSC NC
1.0 0
32KHz OSC NC
0 5.1
POWER FAIL TRICK PB L
5.1 0.2
RESET AGC
2.4 2.6
X.OUT V.SIZE/V.POSI NC
2.1 0
X.IN AV2 NC
0 0
TEST AV-H
5.1 1.0
OSC2 ATS LEVEL
5.1 4.9
OSC1 COLOR SYSTEM
0 0
B.B HI DV SYNC
3.7 2.5
R155
SDA AFT
270
4.5 5.1
R156
SCL KEY A
270
5.0 5.1
VD KEY B
4.5 0
HD VL
0 0
VH
OSDBLK
0 0.2
OSDB SECAM_VL NC
0 0.1
OSDG NC
0 0
OSDR VSS
D E
J-14
F G
0 R133
0.5
10K
0
SWITCHING
Q102
2SC2412K C166 R185
270P CH 150 1/4W
R157
10K
R134 R110
R136
10K 22K
1K
R163
2.2K
MUTE-H
R141
10K
R124
C150
10K
330P CH
R184
W880
15K
TRICK_PB-L
AV-H
ATS.LEVEL
R149
R172
4.7K
4.7K
R146
4.7K
R147
4.7K
R150
4.7K
R151
4.7K
F G
H
8
7
FROM/TO POWER I/O
P.CON+5V[B]
POWER_FAIL
P.CON+9V
GND
VCR_POWER-H
I2C_OFF
SCL
SDA
AT+5.6V
FROM/TO CHROMA
6
STOP
VCR_POWER-H
FROM/TO SYSCON
H.SW
STR-B
S.CLK
S.DATA-T-S
S.DATA-S-T
TRICK_PB-L
PWM_VT
5
FROM/TO TUNER/AUDIO
PWM_VT
VCR_MUTE
4
AGC_CONTROL
AFT_S.CURVE
TU_MUTE
ATS.LEVEL
TU.VIDEO[B]
FROM/TO Y/C
COLOR_SYSTEM
DV_SYNC[T]
DV_SYNC
SDA
SCL
3
AV-H
FROM/TO CHROMA
OSDR
OSDG
OSDB
OSDBLK.
HD
VD
TV_POWER-H
SDA
SCL
B.B-H
2
FROM/TO OPERATION
REMOTE
PB_LED
KEY-A
KEY-B
TV_POWER-H
R.SIGNAL
G.SIGNAL
1
B.SIGNAL
TUNER VIDEO SIGNAL
H