Panasonic PV-D301 Service Manual page 181

MAIN II (CYLINDER/ CAPSTAN DRIVE) SCHEMATIC DIAGRAM
8
TO MAIN I
FORCED ACCELERATION 16
CAP FG 28
CTL PULSE(-) 70
69
CTL PULSE(+)
TO MAIN VI
7 AUDIO HEAD 171
AUDIO HEAD 172
AUDIO HEAD 173
AUDIO ERASE HEAD 174
GND 175
GND 176
CONTROL ERASE HEAD 177
6
TO AUDIO CONTROL
HEAD UNIT
FP1
/CAPSTAN UNIT
1
GND
CONTROL HEAD(-) 2
3
CONTROL HEAD(+)
CONTROL ERASE HEAD 4
5
GND
GND 6
AUDIO ERASE HEAD 7
AUDIO HEAD 8
5
AUDIO HEAD 9
TP6220
AUDIO HEAD 10
GND 11
GND 12
VMR 13 C2001
0.1
CAP FG(+) 14
R2001
15
C2003
1500
VH- 16 0.1
H1+ 17
H1- 18
H2+ 19
4
H2- 20
H3+ 21
H3- 22
VH+ 23
MAIN COIL 2 24
MAIN COIL 3 25
MAIN COIL 1 26
Z
LOADING MOTOR 0 27
R2002
LOADING MOTOR 1 28
C2007
22/6.3V
3
TO MAIN I
R2004 R2003
LOADING MOTOR 1 136
3300 100
LOADING MOTOR 0 137
2
TO MAIN VII
CAP SW 75
TRIANGLE WAVE 76
CAP VM 77
REG +4.5V 78
1
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/16W.
A A A B
R2031
100
14 13 12 11 10 9 8
DRIVE DRIVE DRIVE
IC2002
UN224-TX
CAP MOTOR
DRIVE DRIVE DRIVE
DRIVE
1 2 3 4 5 6 7
C2002
0.1
C2005
Z
C2006
Z
Z
C2004
R2008 0.33 1/8W
C2011
0.33
C2012
0.047
R2010
1K
C2040
10/16V
C2008
0.033
C D E
REC AUDIO SIGNAL
R2032
10K
14 13 12 11
DRIVE DRIVE
IC2003
UN224-TX
CYL MOTOR
DRIVE
DRIVE DRIVE
1 2 3
R2013
C2010
3300 IC2001
0.068
AN3897FH-V
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
CYL/CAP MOTOR
R2011
DRIVE CTL DRIVE CTL
DRIVE CONTROL
22K CAP
33 VM 16
34 15
CYL VM
35 14
TORQUE
36 13
SATURATION
LOGIC
37 12
DETECT
TORQUE
38 11
LOGIC
SATURATION
39 10
40 DETECT 9
41 8
DIRECTION
42 7
DRIVE SWITCH
43 6
44 5
TORQUE
45 TORQUE 4
COMMAND
46 DIRECTION 3
TORQUE
C2013
47 CONTROL 2 C2022
COMMAND
0.047 0.047
48 1
R2022
220
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
Z
R2037
R2012
180K
Z
C2016
R2021 C2023
R2016
330P
10K 0.1
680K
C2015
R2014 R2015 C2017
1500P
680K 6800 1
Z
C2039
R2036 Z
G
F H
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
Note:
PB AUDIO SIGNAL
TP6212
Z
C2043
R2046
Z
C2041
C2031 C2030
C2042 R2044
0.1 0.1
R2045
C2032
0.1
10 9 8
DRIVE R2029 R2025
100
390
R2028
390
DRIVE R2030 R2026
470 82
4 5 6 7
C2027
Z
C2028
Z
C2025
0.01
Z
R2027
C2029
470
C2024
1
R2023
0.33
1/8W
C2021
0.047
LINK TO VOLTAGE CHART
I J
COMPARISON CHART
OF MODELS & MARKS
MODEL
MARK
PV-D301 A
PV-D301 AA
For distinguishing marks A from AA, D from DA, etc.,
VM-D101 B
refer to "1 MODEL NO. IDENTIFICATION MARK IN
PV-L501 C
THIS SERVICE MANUAL" section.
PV-L551 D
PV-L551 DA
PV-L561 E
PV-L561 EA
PV-L581 F
PV-L581 FA
PV-L51 G
PV-L51 G A
PV-L601 H
TO MAIN I
PV-L601 HA
2 CAP DIRECTION CTL
PV-L651 I
9 CAP TORQUE LIMIT
PV-L651 IA
71 REG +4.5V
PV-L661 J
29 V-REF
PV-L661 JA
PV-L681 K
PV-L681 KA
PV-L61 L
PV-L61 LA
TO MAIN V
153 VM-L451 M
CYL FG(+)
154 VM-L451 MA
CYL FG(-)
Not Used Z
155
CYL PG
156
MAIN COIL 2
157
VH-
158
VH+
159 VH+
160 VH+
161
VH+
162
H1-
163
H1+
164
H2-
165
H2+
166
MAIN COIL 3
167
H3-
168
VH-
169 H3+
170 MAIN COIL 1
TO MAIN VII
96 CYL VM
SW CYL UNREG
95
TO MAIN I
15 CYLINDER ON(L)
25 CYL SPEED ERROR
27 CYL PG
26 CYL FG
18 CAP SPEED ERROR
LSJB8069
K L