Panasonic PV-V462, Service Manual

Page: 58 / 146

NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
COMPARISON CHART
OF MODELS & MARKS
PV-V4022-K
PV-V4522-K
PV-V462
PV-V4602
PV-V4612S
PV-V4612-K
PV-V4622
Not used A
B
C
D
E
F
G
PT
MODEL MARK
NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
MAIN V (POWER SUPPLY) SCHEMATIC DIAGRAM
CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE 1.6A 125/250V FUSE.
ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES
D’T INCENDIE N’I UTILISERQUE DES FUSIBLE DE MÉME
TYPE 1.6A 125/250V
1.6A 125/250V
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY THE SIGN HAVE
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY THE SPECIFIED PARTS.
NOTE: THE VOLTAGE FOR PARTS IN HOT CIRCUIT
IS MEASURED USING TP1001
AS A COMMON TERMINAL.
470/6.3V
C1019
10
R1010
TP1050
PT
TP1058
PT
PT
C1054
Q1081
2SD0601AOL
DB105G
D1001
1200
R1051
PT
D1054
15K R1052
2200
R1006
PT
C1057
4.7/200V
C1005
ERB81-004
D1008
TP1003
PT
100
R1007
22/16V
C1059
100K
R1058
ERB32-01
D1006
330/250V
1000/25V
C1013
15K R1053
MA2180LA
D1015
MA165
D1016
0.018
C1009
PT
C1032
330K
R1003
2SD2358
Q1053
D1082
WA5
TP1005
PT
220P
A,B,C,D,E,F
A,B,C,D,E,F
A,B,C,D,E,F
C1006
3300P
C1002
0.018
C1030
ERA18-04
D1003
2SD1458
Q1002
22U L1002
100P C1010
330
R1057
330/18V
C1012
PT
C1055
VLPS0083
L1006
1000/6.3V
C1017
0.47/50V
C1051
MA4110N-HTA
D1051
3900
R1008
WA7.5
TP1001
18mH
L1001
2SC4533LP.KT
G
2SC4559LP.KT
Q1001
C1080
330/35V
100/6.3V
C1058
R1082
10K
82/200V
C1004
33K/2W
R1004
0.01
C1001
R1056
PT
ERA18-04
D1002
TP1002
PT
10/16V
C1052
100P
C1029
D1080
ERB84-00-V1
TP1009
PT
2.7M
R1001
0.01
C1027
330/18V
C1016
PT
C1025
3300P
C1003
ERA18-04
D1005
56
R1005
2SD601ARS
Q1052
4.7/50V
C1011
10U
L1003
D1009
AK03
J1001 WA5
D1081
PT
R1080
10K
R1083
1.2K
R1081
1K
TP1080
PT
TP1081
PT
2SD2159
Q1051
0.22
C1007
TP1006
PT
TP1007
PT
R1016
1K
R1018
2200
C1018
0.1
R1015
2200
R1017
2430
R1014
220
R1019
0
R1026
30
D1017
ERA15-01
30
R1025
C1081
PT
C1060
10/16V
Q1080
2SB139800A
UNSW_5V_SYSCON 2
SW_5V_VIDEO 18
POWER_ON_L 48
SW12V 1
SW+27 ON (H) 47
UNSW_33V 64
54
UNSW_14V 55
LED_5V 74
J1007
PT
J1008
PT
J1009
0
J1002
WA7.5
PR1080
UNH000600A
UNH000600A
PR1002
UNH000600A
PR1001
T1001
ETS28AD2J3AC
0N3131-R.KT
IC1001
1
2 3
4
IC1002
TA76431AS
2 3
1
F1001
1.6A 125V/250V
W/HI SPEED
7
9
12
1
10
5
6
8
11
3
13
14
(SWITCHING)
ERROR
VOLTAGE DET
(SWITCHING)
(+27V REGULATOR)
(+12V REGULATOR)
SWITCHING
POWER ON-OFF
(+5V REGULATOR)
TO M II
TO M I
TO M I
TO M I
TO M I,M II,M IV
TO M I
TO M I,M III
TO M I,M II,M IV,M VI
TO M III
HOT
HOT CIRCUIT. BE CAREFUL AND USE AN ISOLATION TRANSFORMER WHEN SERVICING.
SHUNT
REGULATOR
R
K
A
WF28
WF29
WF30
WF26
WF31
WF27
/250V /250V
1/2W
/250V
(18V)
(11V)
G
SWITCHING
CONTROL
/250V
AC CORD
1
2
1.6A 125/250V
UNSW 14V/27V
G
G
G
330/35V
C1082
G
*3
*3 27V during High Speed search for PV-V4622.
LSJB2006
PV-V4022-K/PV-V4522-K/PV-V462
/PV-V4602/PV-V4612S/PV-V4612-K/PV-V4622
MAIN V (POWER SUPPLY) SCHEMATIC DIAGRAM
COMPARATOR
V-REF(2.495V)
1
2
3
IC1002 SHUNT REGULATOR
IC- DETAIL BLOCK DIAGRAM