NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
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.
PV-20DF25/PV-20DF25-K/PV-27DF25/PV-27DF25-K/PV-27DF5
COMPARISON CHART
OF MODELS & MARKS
PV-20DF25
PV-20DF25-K
PV-27DF25
PV-27DF25-K
PV-27DF5
Not Used
A
B
C
D
E
PT
MODEL
MARK
LSJB2220
MAIN IV SCHEMATIC DIAGRAM
LINK TO VOLTAGE CHART
MAIN IV SCHEMATIC DIAGRAM
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.
CAUTION: FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE 3A 125V/250V FUSE.
ATTENTION: POUR UNE PROTECTION CONTINUE LES RISQUES
D’ INCENDIE N’ UTILISERQUE DES FUSIBLE DE MÉME
TYPE 3A 125V/250V
3A 125V/250V
IC850
SWITCHING CONTROL
IC- DETAIL BLOCK DIAGRAM
THERMAL
SHUTDOWN
OVER
VOLTAGE
PROTECT
START
CONTROL
LATCH
OVER
CURRENT
PROTECT
SWITCHING
GND
3
4 1
2
5
DRIVE
OSC
COMPARATOR
V-REF(2.495V)
1
2
3
IC1003
SHUNT REGULATOR
IC- DETAIL BLOCK DIAGRAM
IC1001
SWITCHING CONTROL
IC- DETAIL BLOCK DIAGRAM
OVER CURRENT PROTECT
OVERLOAD PROTECT
OVER VOLTAGE
PROTECT
GND
VCC
SWITCHING
CONTROL
PROTECTION
LATCH
BOTTOM DETECTION
/BOTTOM SELECT
FEEDBACK
SOFT START
DRIVE
1
3
4
5
6
7
D1015
B0JAME000079
Q591
2SC3311AHA
C1020
330/25V
470P
C856
C867
330/200V
R1018
3000[D]
D861
MAZ2270
T850
ETS35AA6S5ND
2
8
7
10
11
13
12
14
3
4
5
9
15
16
*
R592
4700
C1001
3300P
/250V
C872
82/200V
AUDIO_GND
B0HAGP000012
D856
C1016
0.01
TP852
PT
D1011
B0JANK000003
R1001
68K
B0HAGP000012
D857
D805
B0AAKT000010
D806
B0AAKT000010
D854
PT
2700
R857
C1010
0.1[KB]
D1004
B0HAMM000083
R1016
2200
1500P/250V
C861
L857
J0JHB0000021
R866
33K
L1003
22U
T1001
LSTP0129
3
4
5
9
18
8
7
6
13
12
15
14
16
11
10
17
C1011
47/50V[HG]
680
R851
R860
1200
C1009
PT
C1015
1000P[KB]
C1025
330/25V
L1005
22U
P802PT
1
D1009
B0HAMM000083
C1029
330/25V
R1015
2430
UNSW+30V
R803
10K
TP851
PT
C864
1000P/1KV
D807
B0AAKT000010
TP810
R805
470K
L1006
22U
C870
4R7/200V[HG]
UNSW+16V
R1004
1K
RL801
K6B1AGA00177
42
31
L801
G0B452H00001
21
34
R1011
3.3
*
C863
PT
PT
R856
TP809
D1002
B0HAMM000083
D1008
B0HAMM000083
C1622
0.1[KB]
L1621
22U
R1013
220
C5HABZZ00109
IC850
5
2
3
14
IC1004
C0CBCDD00012
12
5
3
4
R1006
3300
D863
B0HAHP000014
D1005
B0HAMM000083
D1001
B0EDKT000009
C871
PT
D865
B0HAMM000105
C1005
82/200V
180K
R850
IC1003
C0DAEMB00004
23
1
D862
PT
DEGAUSS_H
C1031
2200/6.3V
PR850
D4FA7R00A002
C1030
330/25V
8.2M/1/2W
R801
CNC1S101R1KT
IC1002
2
14
3
L1009
0
IC1006
C0DBZGG00010
21354
C1006
470P
C1002
PT
D1013
B0JAME000079
D1003
MAZ40470MF
R802
4700
D864
B0HAMM000105
D591
D4DDD3R00002
4700P
C806
AUDIO_POWER
L802
G0B452H00001
21
34
R1009
1K
47/50V[HG]
C855
R1003
15
C1017
47/50V[HG]
0.1
R855
R853
68K
P1006
1
2
3
4
5
6
7
8
9
10
11
C1018
100P
L1004
22U
C1036
1[KB]
C1021
0.22[KB]
0.33
/125V
C801
4700P
C808
C869
220P
/1KV
D804
B0AAKT000010
D859
B0JANK000003
C1007
470/2KV
D801
ERZV10V361CS
220P[KB]
C859
330/200V
C857
C1008
1/50[HG]
D1006
B0HAMM000083
C1013
47/50V[HG]
C1019
PT
F801
125V/6.3A
D860
B0EALR000005
C803
0.1
/125V
L855
10U
4700P
C807
C1032
PT
D866
WA15
C805
PT
*
R591
10K
C802
PT
J801
WA15
C873
PT
C865
470/25V
4700P
C809
R1002
150
C1024
330/25V
J0JKA0000016
L850
D1010
B0JANK000003
L858
WA15
68K
R852
R1621
330
L856
22U
C1028
330/25V
D592
MA2C16700E
R1014
1K
B0HAGP000012
D858
D802
PT
C1035
1[KB]
C1022
PT
C1034
330/6.3V
C1033
47/50V[HG]
UNSW+5V_SYSCON
D1016
B0HAHP000014
C1621
27P
SW+12V
C1023
PT
R1005
0.22
R804
0.82
IC1005
C0DBZHG00012
21354
R1010
33
J851
PT
L1007
10U
IC1001
C5HABZZ00132
1
2
3
4
5
6
7
C1004
1000P/125V
C804
1000P
/250V
C868
470/25V
L1001
G0B183E00002
12
43
Q801
2SC3311ARA
R1012
1K
TV_POWER_ON_H
R1008
5600
C1027
47/50V[HG]
DVD_POWER_ON_H
4.7
R858
R1017
12400[D]
C1026
2200/6.3V
1500P/2KV
C858
C1003
47/50V[HG]
D803
MA2C16700E
D1017
B0HAMM000083
D1018
WA7.5
D1019
WA7.5
D1020
WA15
SP_GND
L1601
J0JCC0000004
L1602
J0JCC0000004
C1603
4R7/25V
P801
2
1
D1021
B0BB17000006
R1020
390
C1038
2200/6.3V
C1050
PT
JK1601
B3RAE0000030
1
2
3
6.3A
125V/250V
RL591
LSSY0004
4
2
3
1
ZP591
1
ZP592
1
*
D_AUDIO
A
M_VM+6.5V
[S2]
[30V]
1/4W
MOTOR_GND
[5V]
2W
AC 120V
7A
/5W
[4.0V]
1/2W
ACT_VM+6.5V
MOTOR_GND
2W
[1/4W]
D_GND
2W
AC 120V
SW+3.3V_DVD
SP_GND
D_AUDIO
D_GND
D_GND
[8V]
A_GND
1/2W
K
SW+3.3V_DVD
SW+5V_DVD
SW+5V_DVD
[S2]
1/4W
R
1/2W
[18V]
AUDIO
DIGITAL
OUT
SWITCHING
CONTOROL
ERROR
VOLTAGE DET
SHUNT
REGULATOR
(+6.5V REGULATOR)
(+3.3V REGULATOR)
(+5V REGULATOR)
SWITCHING
TV POWER ON-ON
SWITCHING
CONTOROL
52 TO M V
6 TO M I,M III,M V
53 TO M V
4 TO M I
TO M I2
TO M V47
TO M I3
TO M III50
TO M III51
TO M III 49
HOT CIRCUIT. BE CAREFUL AND USE AN ISOLATION TRANSFORMER WHEN SERVICING.
DEGAUSSING
COIL
DEGAUSSING COIL
DEGAUSSING COIL
AC POWER
CORD
+6.5V REGULATOR
GND
+3.3V REGULATOR
GND
+5V REG.
GND
TO DVD MAIN
C.B.A. P8402
SWITCHING
DEGAUSS ON
AUDIO SIGNAL
(4.7V)
(17V)
GND
TO DEFLECTION
C.B.A. P502
DC+130V
P852
P851
(27V)
10 C,D,E
A,B
A,B
C,D,E560/200V
A,B
C,D,E C5HABZZ00110
PV-20DF25 / PV-27DF25 / PV-27DF5 / PV-20DF25-K / PV-27DF25-K
37
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