Panasonic TH-42PZ70B / TH-42PZ70E / TH-42PY70F / TH-42PY70P Service Manual ▷ View online
Remove the Rear Cover
5 Service Hint
Board Name
Function
Board Name
Function
P
Power Supply
D
Format Converter, Plasma AI, Sub-Field Processor
PA
Fan control, DC-DC converter
C1
Data Driver (Upper Right)
DG
Speaker out, Sound Processor
AV Terminal, AV Switch
DC-DC Converter
Digital Signal Processor, Microcomputer
HDMI Interface, Peaks Lite 2
AV Terminal, AV Switch
DC-DC Converter
Digital Signal Processor, Microcomputer
HDMI Interface, Peaks Lite 2
C2
Data Driver (Upper Left)
C3
Data Driver (Lower Left)
C4
Data Driver (Lower Right)
SC
Scan Drive
SU
Scan out (Upper)
DH
Full HD
SD
Scan out (Lower)
G
Side terminal, Key Switch
SS
Sustain Drive
K
Remote receiver, Power LED
S
Power Switch
GS
SD Card Slot
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TH-42PZ70B / TH-42PZ70E / TH-42PY70F / TH-42PY70P
6.1. Remove the Back cover
1. See Service Hint. (Section 5)
6.2. Remove the fan assy A/B
1. Unlock the cable clampers to free the cable.
2. Disconnect the relay connectors.
3. Remove the screws (×3
2. Disconnect the relay connectors.
3. Remove the screws (×3
each) and remove the fan assy
A/B.
6.3. Remove the fan assy C
1. Unlock the cable clampers to free the cable.
2. Disconnect the relay connectors.
3. Remove the screws (×4
2. Disconnect the relay connectors.
3. Remove the screws (×4
) and remove the fan assy C.
6.4. Remove the rear terminal
cover
1. Remove the screws (×5
, ×8
, ×2
, ×3
).
2. Remove the rear terminal cover.
6.5. Remove the tuner unit
1. Remove the screws (×3
) and remove the spacer metal.
2. Unlock the cable clampers to free the cable.
3. Disconnect the connectors (DG1, DG3, DG35, DG52, DH5,
3. Disconnect the connectors (DG1, DG3, DG35, DG52, DH5,
DG12 and DG51).
4. Remove the screws (×4
) and remove the tuner unit.
6 Plasma panel replacement method
10
TH-42PZ70B / TH-42PZ70E / TH-42PY70F / TH-42PY70P
6.6. Remove the P-Board
Caution:
To remove P.C.B. wait 1 minute after power was off for
discharge from electrolysis capacitors.
discharge from electrolysis capacitors.
1. Unlock the cable clampers to free the cable.
2. Disconnect the connectors (P2, P5, P9, P10, P11, P12 and
2. Disconnect the connectors (P2, P5, P9, P10, P11, P12 and
P25).
3. Remove the screws (×6
) and remove the P-Board unit.
4. Remove the screws (×16
) on the back side.
5. Remove the screws (×6
).
6. Remove the molding props (×11
).
7. Remove the P-Board.
Note:
When assembling the P-Board, the position of each hole of
the insulation sheets(A, B) is set to the position of each hole
of the P-Board and then assemble them. (
the insulation sheets(A, B) is set to the position of each hole
of the P-Board and then assemble them. (
marks
indicate setting positions.)
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TH-42PZ70B / TH-42PZ70E / TH-42PY70F / TH-42PY70P
6.7. Remove the DH-Board
1. Remove the tuner unit. (See section 6.5.)
2. Remove the screws (×4
2. Remove the screws (×4
) and remove the DH-Board
cover and DH-Board.
(Be careful the connector (DH25-DG25) when remove the
DH-Board.)
(Be careful the connector (DH25-DG25) when remove the
DH-Board.)
3. Remove the screw (×1
) and remove the DH-Board from
DH-Board cover.
4. Remove the screws (×2
) and remove the DH-Board
frame.
6.8. Remove the DG-Board
1. Remove the tuner unit. (See section 6.5.)
2. Remove the DH-Board and the DH-Board frame. (See
2. Remove the DH-Board and the DH-Board frame. (See
section 6.7.)
3. Remove the screws (×1
, ×1
) and remove the tuner
fixing metal.
4. Remove the screws (×5
) and remove the DG-Board.
6.9. Remove the PA-Board
1. Unlock the cable clampers to free the cable.
2. Disconnect the connectors (PA3, PA5, PA10, PA32, PA34,
2. Disconnect the connectors (PA3, PA5, PA10, PA32, PA34,
PA36 and PA38).
3. Remove the screws (×4
) and remove the PB-Board.
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TH-42PZ70B / TH-42PZ70E / TH-42PY70F / TH-42PY70P
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