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PV-20DF25 / PV-27DF25 / PV-27DF5 / PV-20DF25-K / PV-27DF25-K
8.4.
OPERATION / CRT (Models : PV-20DF25 / PV-20DF25-K) SCHEMATIC DIAGRAMS
OPERATION SCHEMATIC DIAGRAM
U6301
PNA4611M00HC
IR RECEIVER
INFRARED
RECEIVER
OUT
GND
VCC
UNIT
1
2
3
R6320
PT
C6302
C6301
PT
PT
C6303
0.1
D_STOP
SW6316
EVQ21405R
D_PLAY
OPEN/CLOSE
SW6317
SW6304
EVQ21405R
EVQ21405R
NOTE:
IMPORTANT SAFETY NOTICE:
COMPONENTS IDENTIFIED BY THE SIGN
HAVE
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
SPECIAL CHARACTERISTICS IMPORTANT FOR SAFETY.
REFER TO BEGINNING OF SCHEMATIC SECTION.
WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY THE SPECIFIED PARTS.
ON_TIMER
D6304
B3ACA0000192
TO MAIN
P6302
C.B.A. P6301
7
ON_T_LED
6
KEY_IN_01
5
KEY_IN_0
4
IR
3
UNSW+5V_SYS
2
KEY_IN_2
1
GND
LSJB2221
NOTE:
PARTS MARKED "PT" ARE NOT USED.
CRT SCHEMATIC DIAGRAM (A, B)
VIDEO SIGNAL
R351
15K
/2W
Q351
2SC3063000RL
TO MAIN
BLUE
C.B.A. P5302
R357
P351
AMP
3900
SW +12V
1
R360
RED
2
390
GREEN
3
BLUE
4
R363
NC
5
120
D351
TP47
C357
MAZ41500MF
R352
22/16V
(15V)
15K
PT
/2W
P356
GND
1
Q352
2SC3063000RL
GREEN
R358
AMP
3900
R361
390
R364
120
R353
TP50
15K
/2W
TP49
Q353
2SC3063000RL
RED
AMP
3900
R362
390
J351
R365
PT
120
TO DEFLECTION
P352
C.B.A. P504
GND
4
HEATER
3
NC
2
220V
1
40
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.
R354
2700
P357
(TO DEFLECTION C.B.A. T551)
1
SCREEN
P354
1
GND
C351
470P
P353
1
IC
2
KB
3
HEATER
R355 2700
HEATER GND
4
5
KR
6
G2
7
KG
8
G1
9
E
C352
470P
R356
2700
(TO DEFLECTION C.B.A. T551)
C354
1000P
ANODE
/2KV
FOCUS
C353
560P
C356
PT
LINK TO VOLTAGE CHART
OPERATION SCHEMATIC DIAGRAM
CRT SCHEMATIC DIAGRAM
PV-20DF25/PV-20DF25-K/PV-27DF25/PV-27DF25-K/PV-27DF5
COMPARISON CHART
OF MODELS & MARKS
MARK
MODEL
PV-20DF25
A
PV-20DF25-K
B
PV-27DF25
C
PV-27DF25-K
D
PV-27DF5
E
Not Used
PT
COLOR PICTURE TUBE UNIT
KB
KG
KR
G1
G2
LRP63022
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