Panasonic PV-20DF25

8.4. OPERATION / CRT (Models : PV-20DF25 / PV-20DF25-K) SCHEMATIC DIAGRAMS
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
OPERATION SCHEMATIC DIAGRAM
OPERATION SCHEMATIC DIAGRAM
CRT SCHEMATIC DIAGRAM
LINK TO VOLTAGE CHART
CRT SCHEMATIC DIAGRAM (A, B)
1000P
C354
C353
C352
C351
C357
J351
Q353
2SC3063000RL
2SC3063000RL
2SC3063000RL
Q351
Q352
R358
R361
R362
R365
R363
R359
3900
R357
R360
R364
15K
R353
R355 2700
15K
R352
15K
R351
2700
R354
2700R356
D351
C356
C358 C359 C360
G1
HEATER
7
HEATER GND
5
KG
GND
2
KR
IC
G1
E
4
KB
1
G26
KG
3
G2
KB
1
KR
8
9
VIDEO SIGNAL
1
2
3
4
5NC
SW +12V
GREEN
BLUE
RED
1GND
3
4
1
2
GND
HEATER
NC
220V
P352
P356
P351
TO MAIN
C.B.A. P5302
TO DEFLECTION
C.B.A. P504
SCREEN1
P357
(TO DEFLECTION C.B.A. T551)
P354
P353
BLUE
AMP
AMP
GREEN
AMP
RED
TP47
TP49
TP50
FOCUS
ANODE
PT
/2W
/2W
/2W
22/16V
MAZ41500MF
PT
/2KV
PT
(TO DEFLECTION C.B.A. T551)
(15V)
3900
3900
390
390
390
470P
120
120
120
470P
560P
COLOR PICTURE TUBE UNIT
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.
LSJB2221
LRP63022
PT
C6302
*
PT
R6320
PT
C6301
B3ACA0000192
D6304
EVQ21405R
SW6304
U6301
PNA4611M00HC
123
P6302
7
6
5
4
3
2
1
*
C6303
0.1
EVQ21405R
SW6317
EVQ21405R
SW6316
OPEN/CLOSE
VCC
ON_TIMER
GND
OUT
IR RECEIVER
GND
IR
ON_T_LED
KEY_IN_2
UNSW+5V_SYS
KEY_IN_0
D_PLAY
D_STOP
KEY_IN_01
INFRARED
RECEIVER
UNIT
TO MAIN
C.B.A. P6301
PV-20DF25 / PV-27DF25 / PV-27DF5 / PV-20DF25-K / PV-27DF25-K
40