System Control Schematic Diagram - Aiwa VX-G142 Service Manual

A B
FROM/TO HEAD AMP
C1019
8
CP1002(CP4103)
TMC-W20P-A1
1 LOD-
2 LOD+
3 CYL DRIVE
4 CYL GND
5 CYL FG
6 CYL +B
7 CYL PG
8 GND
9 CTL-
10 CTL+
7
11 MOTOR GND
12 CAP/M F/R
13 VCO
14 CTL
15 VCC
16 FG
17 I LIMIT
18 V.REF
19 AUDIO PB
20 AUDIO REC
FROM/TO TUNER/AUDIO
6
AUDIO_PB
AUDIO_REC
FROM POWER/I/O
S804Y
MOTOR GND
CP1001
TAS-X05X-D1
1 MS SW3
2 MS SW2
3 MS SW COM
4 MS SW1
5 MS SW0
5
C1018
FROM MODE SW
16V 470
TO OPERATION 1
REC_LED
T-REC_LED
V.REC_ST-H
4
3
FROM/TO MICON
STR-B
S.DATA-T-S
S.DATA-S-T
S.CLK
TRICK_PB-L
H.SW
2
CAUTION: DIGITAL TRANSISTOR
CAUTION: SINCE THESE PARTS MARKED BY
CRITICAL FOR SAFETY,USE ONES
DESCRIBED IN PARTS LIST ONLY
CAUTION: DIGITAL TRANSISTOR
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER
DURING PLAYBACK
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME
OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
1
A B
C

SYSTEM CONTROL SCHEMATIC DIAGRAM

V.REF CTL 5.3
R1015
Q1017 0
2SA1037AK
5.3
0.1 B
CYL_DRIVE
R1004
CYL_FG 5.6K
CYL_PG
CTL-
CTL+
W920
CAP_FG
R1009
47K
MS-SW3
MS-SW2
MS-SW1
MS-SW0
ATR_LED
YK
PLAY_LED
NTSC-H
REEL-S
R1090 22K
REEL-T
R1070 22K
BOT SENSOR EOT SENSOR
Q1056 Q1055
R1017
RPT-38PB113 RPT-38PB113 BUFFER
5.2 5.2 5.2 Q1051
100
2SC2412K
0
R1018
0
0
D1001 0
100
SLR-938C
-4-AB
R1019
SENSOR
5.0
LED DRIVER
100
Q1052
2SC2872S 0
R1020
0
100
EOT
BOT
R1022
SYNC
1K
R1046
R1045
22K
4.7K
TAB SW
SW1010
MPU20250MLB0
2 R1040
3
1
R1041
ARE
R1044
56K
56K
R1043
SUPPLY 2.3
270
REEL 1
SENS
Q1053
GP1S94
4
1.2
C
D E
(SYSCON PCB)
1K
0
4.9
SW
Q1018
DTC124EKA
0
X1001
8MHz
NC
0 2.1 2.0 5.2 5.2 0 5.3 5.3 5.3 5.3 0 0 0 0 0
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50
1 VSAD 41 COLOR ROTARY
ATR LED
5.2
2 BOT 42 DUMMY-V SYNC
PLAY LED
3 CAS DOWN/SERVICE 43 VDD
4.9
4 EOT 44 PWM 0
NC REPEAT LED
5 VIDEO ENV DET 45 PWM 1
5.2
NTSC-H 6 HI-FI ENV DET 46 DRM ON
0
7 DEW 47 CAP ON
REEL-S
8 SLOW TRACK OFF SET 48 LDM REV
0
9 CYLICAP MOTOR SELECT 49 LDM FWD
REEL-T
10 VDAD 50 CAP LIMIT
0
SENS LED 11 DFG OUT 51 CAP F/R
IC1001
0
12 DFG IN 52 VV-H
CE SYSCON/SERVO
13 DPG IN 53 EXT IN-L
5.2 OEC9032B
14 CFG IN 54 EXT-H
COUNT P IN
15 CFG OUT 55 MS SW0
1.2
S.DATA T-S 16 VSSA 56 MS SW1
1.9
17 VREF 57 MS SW2
S.DATA S-T
18 CTL AMP- 58 MS SW3
5.1
19 CTL AMP OUT 59 TAPE IN LED
S.CLK
20 CTL - 60 REC LED
0
COMP 21 CTL + 61 T-REC LED
0
22 VDPA 62 CLOCK 0
SYNC IN
23 RESET B 63 CLOCK 1
0
24 TEST 64 VSS
COUNT P OUT
5.2
NC CTL OUT
0
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 5.3 0 0 0 0 0 0 0 5.3 0 0 2.6 2.6 2.6
NC
SERVICE
TP1001
4.7K 1/4W
R1025
10K
TAKE UP
REEL SENS
0 1.2 0
Q1054
2 1 2
GP1S94
3 4 3
0 0 0
D E
J-11
F G
LOADING MOTOR DRIVE
IC1002 OEC9029A
CONTROL LOGIC
POWER
TSD
SAVE
1 2 3 4 5 6 7 8
0 5.2 13.2 0 0 0 0 13.2 12.0
D1005
11ES1
R1030
W831
10K
R1005
39K
DTC124EKA
NC
0 5.2 2.7 1.8 5.2 2.5 5.3 0 2.6
49 48 47 46 45 44 43 42 41
H.AMP_SW
H.AMP SW
0
NC NC
15
2.6
R1002
H.SW
VIDEO H.SW
1K
2.7
R1083
V.REC_ST-H
V.REC START-H
C1053_1
1K
5.2
0.1
F
REC-H
5.3
SP-H NC
5.3
LP-H
5.3
TRICK PB L
0
W832
SEARCH SPEED SW
0
R1066
2HEAD/4HEAD
22K
0
BILINGAL-L
5.2
STEREO L
5.2
TRICK_PB_5V
AUDIO DET IN
DRIVER
0
Q1010
Hi-Fi L DTA124EKA
TRICK_PB-L
0 4.9
NC 0
5.2
4.9
NC
0
16 17 18 19 20 21 22 23 24
0 2.6 2.6 2.6 2.6 2.6 5.3 5.3 0
C1030
C1047
0.1 B
120P CH
R1036
10K
R1047
C1027
100K
0.001
D1009
B
1SS133
C1050
0.1 B
F G
H
8
9 10
0
R1042
D1013 D1010
2.7 1W
11E1 11E1N
MOTOR_GND 7
TO TUNER/AUDIO
NA_PB/LINE/TU
LP-H
V.REC_ST-H
6
0
NTSC SW
NTSC-H
Q1002
5.1
0
ENV.DET 5
FROM/TO Y/C
H.SW
DV_SYNC[S]
TRICK_PB-H
H.AMP_SW
SYNC
GND
NTSC-H
V.REC_ST-H
ENV.DET
4
3
TRICK_PB-H
FROM POWER/I/O
MOTOR_GND
GND
AT+12V
AT+5.6V
C1032
P.CON+5V
0.1 B
AT+5V
2
CAPSTAN AFC SIGNAL
CYLINDER AFC SIGNAL
CYLINDER APC SIGNAL
AUDIO SIGNAL(REC)
AUDIO SIGNAL(PB)
1
PCB010
VM7125
H