Read Sharp PN-ZB01 (serv.man2) Service Manual online
ii
CHAPTER 8.
PN-E471 DISASSEMBLY AND ASSEMBLY
PN-E471 DISASSEMBLY AND ASSEMBLY
1 PWB AND WIRING DIAGRAM
8 - 1
2 EXPANSION COVER
8 - 2
3 REAR COVER ASSY
8 - 3
4 ANGLE
8 - 4
5 SHIELD
8 - 5
6 I/F PWB
8 - 6
7 POWER UNIT
8 - 7
8 AC INLET CABLE / AC SWITCH
8 - 8
9 SPEAKER L/R
8 - 9
10 KEY PWB
8 - 10
11 LCD MODULE
8 - 11
CHAPTER 9.
PN-E421 DISASSEMBLY AND ASSEMBLY
PN-E421 DISASSEMBLY AND ASSEMBLY
1 PWB AND WIRING DIAGRAM
9 - 1
2 EXPANSION COVER
9 - 2
3 REAR COVER ASSY
9 - 3
4 ANGLE
9 - 4
5 SHIELD
9 - 5
6 I/F PWB
9 - 6
7 POWER UNIT
9 - 7
8 AC INLET CABLE / AC SWITCH
9 - 8
9 SPEAKER L/R
9 - 9
10 KEY PWB
9 - 10
11 LCD MODULE
9 - 11
CHAPTER 10.
TROUBLESHOOTING
TROUBLESHOOTING
1 THE POWER IS NOT SUPPLIED (THE LED DOES
NOT LIGHT UP)
10 - 1
2 OPTIONAL POWER IS NOT TURNED ON
10 - 1
3 THE REMOTE CONTROL DOES NOT WORK
10 - 2
4 THE DISPLAY DOESN’T SHOW/ DISPLAY ABNOR-
MALITY
10 - 2
5 NO IMAGE IS DISPLAYED/ DISPLAY FAILURE
(EXTENSION INTERFACE)
10 - 3
6 THE BACKLIGHT DOES NOT LIGHT UP
10 - 4
7 SOUND IS NOT REPRODUCED/ REPRODUCED
SOUND ABNORMALITY (DISPLAY)
10 - 4
8 NO SOUND COMES OUT/ REPRODUCED SOUND
FAILURE (EXTENSION INTERFACE)
10 - 5
9 DAISY CHAIN IS NOT MADE / DISPLAY ABNORMALITY
(EXTENSION INTERFACE)
10 - 5
10 RS-232C CONTROL DOESN’T WORK
10 - 6
11 LAN CONTROL DOESN'T WORK (EXTENSION
INTERFACE)
10 - 7
12 THE RED LED BLINKS
10 - 8
13 THE LED LIGHTS UP IN ORDER OF RED
3 GREEN
3 RED 3 GREEN
10 - 8
CHAPTER 11.
HARDWARE DESCRIPTIONS
HARDWARE DESCRIPTIONS
1 CIRCUIT DESCRIPTIONS
11 - 1
2 BLOCK DIAGRAM
11 - 5
3 CONNECTOR TABLE
11 - 6
4 CIRCUIT DIAGRAM
11 - 12
5 PARTS LAYOUT
11 - 28
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