AIWA-VX-G142 Datasheet, PDF (6/18 Pages) List of Unclassifed Manufacturers – AIWA VX-G142 OPERATION 1 SCHEMATIC DIARGAM

A
B
C
D
E
F
G
H
TUNER/AUDIO SCHEMATIC DIAGRAM
8
TO POWER/I/O
AGC
B6102
BLM31A601SPT
(SYSCON PCB)
8
AFT
CP6115 171826-4
1
GND
2
AGC
3 AFT S.CURVE
4
IF
R6115
390K
W930
TEST POINT
7
L6102
0.47uH
R6116
100K
IF
15
14
11
10 NC
9 NC
6
8 NC
7 NC
+B
6
VL
5 NC
VH _{4 NC}
W982
C6105
16V220 YK
C6002
0.1 F
C6104
1F
W886
NC
NC NC
T.AUDIO
MUTE
Q6101 0
DTC143EKA
0
0
W844
W911 _TU.VIDEO[B]
FROM/TO SYSCON
AUDIO_PB
AUDIO_REC
NA_PB/LINE/TU
4.5
9.2
V.REC_ST-H
LP-H
BUFFER ^3.9
ATS.LEVEL
7
Q6104
2SC2412K
R6109
3.9K
AFT_S.CURVE
C6122
0.022 B
TO Y/C
SWD_VIDEO_IN
TU.VIDEO[B]
6
AE/FE_HEAD
UHF 3 NC
B6101
TU 2
AGC 1
BLM31A601SPT
C6110
C6113 0.022 B
50V 3.3 KA
C6141 1 F
0
0
0
0
1
2
3
4
GND
13
12
-
5
+
+
-
L5001
W924
C5020
0.001 B
100uH
0607
R5005 R5004
R5022
5
3.9K 15K
33K
FROM POWER/I/O
4
P.CON+9V
P.CON+5V
+30V
GND
VCC
8
7
6
5
32.0 12.6 12.6 1.1
R6310
33K
R6305
1K
VOLTAGE
CONVERTER
Q6304
9.1 ^2SC2412K
0.4
0
R6307 R6308
150K 150K
PWM_VT
0 3.7 3.8 0 4.9 0
0 9.2 9.2 3.8 3.8 0.7
13 14 15 16 17 18 19 20 21 22 23 24
DET
ALC
LINE
REC
PB
EP/ PB/
LP/ LINE/
REC RIPPLE
SP TUNER MUTE /EE ^FILTER
PB
ALC
TUNER
REC
EQ
PB SP. LP
REC
LP.EP REC
EP PB
REC
PB REC
12 11 10 9
8
7
6
5
4
3
2
1
3.8 0 3.8 0 3.8 3.8 3.8 3.8 3.8 0
0 9.2
R5015
8.2K
C5027_1
BIAS OSC
Q5004
2SC1317
9.1
C5029
0.01 B
9.1
9.1
C5028
R5027 _{0.01 B}
4.7K
W873
FROM/TO MICON
ATS.LEVEL
VCR_MUTE
AFT_S.CURVE
AGC_CONTROL
PWM_VT
TU_MUTE
TU.VIDEO[B]
4
TO CHROMA
VCR_AUDIO_OUT
3
SWD_AUDIO_IN
TU_AUDIO_OUT
C5004 C5007
470P B 470P B
R5001 R5006 R5008
W813
33K 15K 27K
R5002
C5014
0.01 B
R5017
330K
R5020 ^{16V 10 KS}
560
6
1
5
2
4
3
BIAS OSC COIL
T5001
3626010
22K
W963
3
W814
S807Y S807X
W912
2
RECORD LUMINANCE SIGNAL
RECORD COLOR SIGNAL
TUNER VIDEO SIGNAL
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
AUDIO SIGNAL(REC)
1
AUDIO SIGNAL(PB)
CAUTION: SINCE THESE PARTS MARKED BY ARE
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
A
B
C
15.6KHz TRAP
PF5001
2623003
NC
NC
R5023
820
C5021
0.039 B
D
E
J-12
2
CAUTION: DIGITAL TRANSISTOR
NOTE: THE DC VOLTAGE AT EACH PART WAS
1
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
PCB010
VM7125
F
G
H