Read Panasonic TX-25P80T Service Manual online
Note:
Specifications are subject to change without notice. Mass and
Dimensions shown are approximate.
Specifications are subject to change without notice. Mass and
Dimensions shown are approximate.
1 Safety Precautions
3
1.1.
General Guide
3
1.2.
Leakage Current Cold Check
3
1.3.
Leakage Current Hot Check (See Fig. 1)
3
1.4.
X-Radiation
3
2 Location of Controls and Circuit Boards
4
2.1.
BACK VIEW
4
2.2.
LOCATION AND FUNCTION NAME OF CIRCUIT BOARD
4
3 Service Hints
5
3.1.
HOW TO MOVE CHASSIS INTO SERVICE POSITION. 5
4 MARKET MODE FUNCTION
6
5 ADJUSTMENT PROCEDURE
8
5.1.
B VOLTAGE
8
5.2.
RF AGC
8
5.3.
HIGH VOLTAGE
8
5.4.
SUB TINT
8
5.5.
SUB CONTRAST
8
5.6.
PAL COLOUR OUTPUT
9
5.7.
NTSC COLOUR OUTPUT
9
5.8.
COLOUR PURITY
10
5.9.
CONVERGENCE
10
5.10. WHITE BALANCE (MARKET MODE CHK 3)
11
6 CONDUCTOR VIEWS
13
6.1.
T-Board (TNP4G115AH) and L-Board (TNP4G107AW) 13
6.2. A-Board (TNP4G164AQ)
14
6.3. H-Board (TNP4G173AB), X-Board (TNP4G108BC) and
16
7 SCHEMATIC DIAGRAMS
17
7.1.
SCHEMATIC DIAGRAM FOR MODEL TX-25P80T (MX-
10A CHASSIS)
17
7.2.
Main Board (TNP4G164AQ)
18
7.3.
Rear AV Circuit (TNP4G173AB)
20
7.4. CRT Circuit (TNP4G107AW)
21
7.5.
Pincushion Circuit (TNP4G108BC)
22
7.6. Teletext Circuit (TNP4G115AH)
23
27
9 Replacement Parts List
29
9.1.
Replacement Parts List Notes
29
9.2.
Replacement Parts List
30
CONTENTS
Page
Page
2
TX-25P80T
Partlist
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