SANYO SERVICE MANUAL PLASMA PDP-42WV1 PDP-42WV1S PDP42WV1A

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I Battery Replacement
This Plasma Monitor is used a battery for Clock Function.

CAUTION
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.

I Battery Replacement
The battery is fixed to Main Board with Battery Holder. (1) Remove the battery from battery holder to bent hooks slightly.

Parts No.: 645 059 8302
Battery Battery Holder

Hook

Hook

Hook Battery Battery Holder

(2) Mount a new battery by correct polarity and bent hooks back.
(+) Side

Main Board

Location of Battery
(-) Side

Main Board

Polarity of Battery

(+) Side

Battery

(-) Side

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I Mechanical Disassemblies 1. Cabinet Back Removal (Fig. 1)
Remove screws (A, B, C) and remove Cabinet Back as Fig. 1. Note: For removal Option Slot Cocer, remove screws (D) and slide down. A (4pcs: 8X20), B (9pcs: 3X6), C (16pcs: Special Screw), D (2pcs: 3X6)

C C

C

C

C

C C

A

C A

C B A C B
Option Stand

C

B

B
Option Slot Cover

B

A C

D C C C

C

Fig. 1

Location of Circuit Board and Electric Parts
Sensor-B Fan (FN1901)

Main Main Power Module Jack-B

Sensor-A

Jack-A Control Membrane SW Power

Fan (FN1903)

Note: Control Board and Membrane Switch are fixed at Cabinet Front.
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Fig. 2

Mechanical Disassemblies

2. Chassis Removal
[ATTENTION]
This PDP monitor is used the different kind of screw. Using correct screw is needed to avoid the damage.
FN1 FN2 FN1 FN1901 FN1 FN2

2-1 Fans Removal (Fig. 3)
FN1901 1) Remove screws (FN1: 3pcs) and take Fan (FN1901) with the holder off. 2) Remove screws (FN2: 2pcs) and take Fan from the holder. FN1903 1) Remove screws (FN3: 2pcs) and take Fan (FN1903) with the holder off.

2-2 Power Board Removal (Fig. 3)
1) Remove screws (P1: 5pcs) and take Power Board off. Remove screw (P2: 1pc) and take Power Board with the holder off.

FN1903 P2 FN3 P1 P1 Power STB1 FN3 Sensor-A SA1 SA2 Speaker Terminal Base(R)

2-3 Sensor-A Board Removal (Fig. 3)
1) Remove screw (SA1: 1pc) and take Sensor-A Board off. Remove screw (SA2: 1pc) and take Sensor-A Board with the plate off. Remove screw (STB1: 1pc) and take Speaker Terminal Base (R) with the Sensor-A Board and holder off.

Fig. 3

2-4 Sensor-B Board Removal (Fig. 4)
1) Remove Sensor-B Board from the Hook. Remove screws (SB1: 2pcs) and take Sensor-B Board with the plate off.
Sensor-B SB1 M1 Main SP1 M1 Hook SP1 SP1

2-5 Jack-B Board Removal (Fig. 4)
1) Remove screw (B1: 4pcs) and take Jack-B Board with the holder off. Remove screw (STB2: 1pc) and take Speaker Terminal Base (R) with the Jack-B Board and holder off.

2-6 Main and Jack-A Boards Removal (Fig. 4)
1) Remove screws (SP1: 6pcs) and take Shield Plate (for Main and Jack-A board) off. 2) Remove screws (M1: 6pcs) and take Main board off. 3) Remove screws (TP1: 6pcs) and nut-screws of the terminals on Jack-A board (6pcs), and take Terminal Plate off. 4) Remove screws (A1: 2pcs) and take Jack-A board off. Note: If the cable is fixed by ferrite core or CV band (fixer), remove it as the need arises. After servicing, it is necessary to be fixed again to previous position.
SB1 B1 Jack-B B1 SP1

Shield Plate M1

SP1

Jack-A TP1 Terminal Plate TP1 TP1

A1 Speaker Terminal Base(L) STB2

Fig. 4

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