File name VX-T147K.PDFA
B
C
D
E
F
G
H
HEAD AMP SCHEMATIC DIAGRAM
8
(HEAD AMP PCB)
4 3 2 FROM TO CYL CP4101_2 52492-0420 CH1(R)F CH2(L)F CH1/2 S 1
8
NC
7
15P CH
C4104
7
33P CH C4120 0.001 B C4114 0.001 B C4115
0.001 B C4112
6
0.001 B
C4113
20K
33P CH
R4111
0.01 B
C4119 C4110
46 44 45 NC NC 0 0 0.7 2.16 0 0.7 2.1 4.99 NC 0 0.9 0.2 24 23 22 21 20 19 18 17 16 15 14 13 EP/SP VCC2 A1 A1 EP (LP) VCC A2 VCC A2 1.5 REC HL SP CURRENT AMP SW30 SW 30 REC MUTE BUF AGC 5K ON REC/PB H CH 3.2 ENVELOPE PB REC AGC H.SYNC REC 1.0 DET OFF 2.0 PB L CH DET PB OFF REC ON PB OFF REC ON PB OFF REC ON PB OFF REC ON 1K BUF 1 5.0 1.2 2 0.2 3 0 4 0.45 5 0 6 2.2 7 1.1 8 0 9 2.9 10 5.0 11 5.0 43 39 40 41 42 R4109 1.5K 6.3V 220 KA L4101 100uH
6
V V: THE PICTURE ON SCREEN APPEARS DURING PLAYBACK.
0.2
44
PB OFF REC ON
LA7411M HEAD AMP
NOTE: THE RESISTOR MARKED F IS FUSE RESISTOR. THE ALUMI ELECTROLYTIC CAPACITOR MARKED NP IS NON POLAR ONE.
NOTE: THE DC VOLTAGE AT EACH PART WAS
MEASURED WITH THE DIGITAL TESTER DURING PLAYBACK
5
IC4101_2
5
12
NOTE: THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE
0.01 B
C4127
C4106
1
C4107
F
C4108
FROM/TO CYL F CP4102_1 52492-0520 CYL_PG-A CYL+B-A CYL_FG-A CYL PG CYL +B CYL FG CYL GND CYL DRIVE 1 2 3 4 5 1
4
4
R4113
W801
330
0
GND_B CYL_DRIVE_A
2.2
R4104
3
FROM/TO CAPSTAN DD UNIT
1 2 3 4 5 6 7 8 9
CAP-M F/R GND VCO C4105 CTL MOTOR GND VCC FG I LIMIT V.REF C4102 0.1 B CYL_DRIVE_A 0.33 F
C4103
CP4105 TKC-F09X-L1
10P CH
5.0 BUFFER Q4101 2SC2412K
1.6
1.5K
3
120K
R4103
R4102
1K
FROM/TO A/C HEAD CP4106 177640-6 1 2 3 CYL_PG-A CYL_FG-A GND_B CYL+B-A 4 5 6 AUDIO PB AUDIO REC CTL+ CTLAE HEAD(-) AE HEAD(+)
2
TO LOADING MOTOR 1 2 LDM+ LDM-
2
CD4102 8283_0212_00_000
NC MOTOR GND PB Y/C,REC-C
NC V.REC ST-H
NC NC
NC NC
CYL GND
FROM/TO SYSCON
FROM/TO Y/C
AUDIO PB
CP4103(CP1002) TMC-W20X-A1
CP4104(CP4001) TMC-W16X-A1
I LIMIT
P.CON 5V
CYL PG
H.SYNC
LDM+
ENV.DET
CYL +B
CYL FG
LDM-
CTL+
GND
VCO CTL
CTL-
VCC
REC-Y
V.REF
H.SW
1
10
11
12
13
14
15
10
11
12
13
14
15
16
17
18
19
20
A
B
C
D
E
16
8
9
2
3
4
5
6
7
8
1
2
3
4
5
6
7
1
9
PCB330 VE6773
CAPSTAN AFC SIGNAL RECORD LUMINANCE SIGNAL PLAYBACK LUMINANCE SIGNAL RECORD COLOR SIGNAL PLAYBACK COLOR SIGNAL AUDIO SIGNAL(REC) AUDIO SIGNAL(PB) CYLINDER AFC SIGNAL CYLINDER APC SIGNAL
H
AUDIO REC
AE HEAD(+)
CYL DRIVE
CAP-M_F/R
AE HEAD(-)
1
GND
GND
FG
F
G
J-4
A
B
C
D
E
F
G
H
IF SCHEMATIC DIAGRAM
8 8
(IF PCB)
CD6001 C701801A
R6008 R6009 R6007 L6005 1.2uH 6.8K 560 2.6 0.9 0.2 MKT41.5MA110P 0.001 CH CF6008 C6015_1 AMP Q6003 2SC3000
150
7
JP6003
C6014 0.0022 B
7
R6012
R6011
75
CP6001 6035B-12Z002-T 1 P.CON 9V (AT9V) 2 3 4 5 6 7 8 9 10 11 12 GND TU.VIDEO AFT S.CURVE NC TU.AUDIO 5V AGC CONTROL L6002 JP6002
CF6004 J1953M IN IN G OUTOUT 1 2 3 4 5 C6001 8P CH GND AFT L6012 360K005 NC 16V 100 KA 1 2 3 100uH C6028 62P PH
6
56
FROM/TO TUNE |