Sharp LC-15PX1U, Service Manual

Page: 13 / 104

LC-15PX1U
13
Step Part No. Description
1 QCNW-A555WJZZ Extension Cable 20-pin Main (SC1201)-LCD Panel (CN3)
2 QCNW-A556WJZZ Extension Cable 50-pin Main (SC1204)-LCD Panel (CN2)
3 QCNW-B784WJZZ Extension Cable 30-pin Main (SC1202)-LCD Panel (CN1)
4 QCNW-A556WJZZ Extension Cable 50-pin Main (SC2001)-Analog (SC3403)
5 QCNW-A551WJZZ Extension Cable 3-pin Analog (P3702)-Inverter (P6502)
6 QCNW-B749WJQZ Extension Cable 10-pin Main (P701)-Analog (P3704)
»
Precautions in servicing the B side (backside) of the main PWB unit
1. Disconnect the FFC from between the main PWB (SC1201) and the LCD panel (CN3), and then connect the
service-specific extension FFC (flat cable) (QCNW-A555WJZZ).
2. Disconnect the FFC from between the main PWB (SC1204) and the LCD panel (CN2), and then connect the
service-specific extension FFC (flat cable) (QCNW-A556WJZZ).
3. Disconnect the FFC from between the main PWB (SC1202) and the LCD panel (CN1), and then connect the
service-specific extension FFC (flat cable) (QCNW-B784WJZZ).
4. Disconnect the FFC from between the main PWB (SC2001) and the analog PWB (SC3403), and then connect the
service-specific extension FFC (flat cable) (QCNW-A556WJZZ).
5. Disconnect the lead from between the analog PWB (P3702) and the inverter (P6502), and then connect the
service-specific extension cable (QCNW-A551WJZZ).
6. Disconnect the lead from between the main PWB (P701) and the analog PWB (P3704), and then connect the
service-specific extension cable (QCNW-B749WJQZ).
7. Remove the lock screws from the main PWB, detach the PWB from the chassis frame, and then turn it over to
service.
SC2001
SC1204
SC1201
SC1202
P3704
SC3403
P701
P3702
P6502
CN2
CN3
CN1
Inverter PWB
Main PWB
Main PWB
(Side-B)
Analog PWB
4 1
3
7
5
6
2