AIWA-VX-G142 Datasheet, PDF (8/18 Pages) List of Unclassifed Manufacturers – AIWA VX-G142 OPERATION 1 SCHEMATIC DIARGAM

A
8
B
C
W922
D
E
F
MICON SCHEMATIC DIAGRAM
(SYSCON PCB)
G
H
8
W827
0 _0.5
R133
0
10K
7
BUFFER
Q6504
0.9 ^2SC2412K
0.7
0
VCR_POWER-H
SWITCHING
5.1
Q111
2SC2412K
4.9 ^4.9
SWITCHING
5.1
Q110
W825
5.1
VDD
TIMER MICON
IC101
4.9
VCR POWER
4.9
OEC6044D
0
VSS
0
PAL/SEC.A
0
SWITCHING
Q102
FROM/TO POWER I/O
7
2SC2412K
C166
R185
R157
10K
270P CH
150 1/4W
P.CON+5V[B]
POWER_FAIL
P.CON+9V
GND
BUFFER
Q6503
2SA1037AK _8.5
R6508 C6512
W847 _TU.VIDEO[B]
TV_POWER-H
2SC2412K
4.9
4.9
TV POWER
0
NC AUDIO B
HALF TONE NC
0
SINEMA/4:3
R134
R110
BUFFER ^5.0 0.5
Q6502
2SC2412K ₀
C6511 R6514
8.9
1 F 12K ^2.5
270 1 F
6
R181
10K
R101
C113
0.022 F
0
NC AUDIO A
0
SIF
4.7
5.1
IIC OFF
2.2
H.SW
0
R159
10K
10K
R136
22K
1K
VCR_POWER-H
I2C_OFF
SCL
SDA
AT+5.6V
FROM/TO CHROMA
6
STR-B
4.7K
R108
STRB
C.ON/OFF
NC
STOP
VCR_POWER-H
5.1
0
S.CLK
4.7K
R102
SCLK
NC
4.8
0
FROM/TO SYSCON
TO SOUND AMP
GND
MUTE-H
S.DATA-T-S
S.DATA-S-T
VCR_MUTE
TU_MUTE
4.7K
R103
22K
R104
10K
R105
STS
4.3
SST
0
VCR MUTE
0
TUNER MUTE
T’TEXT RESET NC
0
H.BLK CUT NC
0
MUTE H
4.0
VT
C112
6.3V 330 KS
R171 D102
1.5K LFB-01L
MUTE-H
R163
2.2K
PWM_VT
H.SW
STR-B
S.CLK
S.DATA-T-S
S.DATA-S-T
TRICK_PB-L
5
0.9
0.2
5
W901
1.8K
SD
NC
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
REMOTE
R106
10K
C109 ¹⁸
18P CH
5.0
REMOTE
2.5
32KHz OSC
1.0
0
P.B.LED
0
NC
0
R124
10K
R141
10K
C150
330P CH
32KHz OSC
0
POWER FAIL
NC
5.1
TRICK PB L
TRICK_PB-L
R184
15K
W880
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
W909 ^X102
EFOEC
8004T4
5.1
RESET
2.4
X.OUT
2.1
X.IN
0
TEST
0.2
AGC
2.6
V.SIZE/V.POSI
NC
0
AV2 NC
0
AV-H
AV-H
FROM/TO TUNER/AUDIO
PWM_VT
VCR_MUTE
4
AGC_CONTROL
AFT_S.CURVE
TU_MUTE
ATS.LEVEL
TU.VIDEO[B]
CAUTION: DIGITAL TRANSISTOR
3
P.CON+5V[B]
5.1
SWITCHING
0
Q107
2SC2412K ⁰
B.B-H
R162
1K
R121
4.7K
SDA
SCL
R122
4.7K
R123
4.7K
R114
10K
R115
RESET
IC103 PST600H
10K
C115 _SWITCHING
Q105
100P CH _{2SC2412K RS}
VD ^R116 0.6
5.0
10K
0
2
1
2
3
5.0 0 5.1
W981 ^{D119 R129}
D120
11EQS04 10K
C124 ^1SS133
50V4.7
KS
1⁰2
0₃ 0 ₄0
R118
HD ^47K
C178
SWITCHING
Q106 4.5
DTC114TK
0.6
0
100P CH
C107
10P CH
C108
10P CH
5.1
OSC2
5.1
OSC1
0
B.B HI
R155 ^3.7
SDA
270
R156
4.5
SCL
270 _5.0
VD
4.5
HD
0
OSDBLK
0
OSDB
0
OSDG
0
OSDR
1.0
ATS LEVEL
4.9
COLOR SYSTEM
0
DV SYNC
2.5
AFT
5.1
KEY A
5.1
KEY B
0
VL
0
VH
0.2
SECAM_VL NC
0.1
NC
0
VSS
ATS.LEVEL
R149
4.7K
R150
4.7K
R151
4.7K
R146
4.7K
R147
4.7K
R172
4.7K
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
1
PCB010
VM7125
A
8
7
6
5
5.1 0 4.5 3.7
B
C
D
E
F
J-14
R.SIGNAL
G.SIGNAL
1
B.SIGNAL
TUNER VIDEO SIGNAL
G
H