HT-DV30H
– i –
Audio
XL-MP150
Service Manual
XLMP150
Market
E
PRECAUTIONS FOR USING LEAD-FREE SOLDER
1. Employing lead-free solder
Example:
Indicates lead-free solder of tin, silver and copper.
2. Using lead-free wire solder
When fixing the PWB soldered with the lead-free solder, apply lead-free wire solder. Repairing with conventional lead wire
solder may cause damage or accident due to cracks.
As the melting point of lead-free solder (Sn-Ag-Cu) is higher than the lead wire solder by 40 C, we recommend you to
use a dedicated soldering bit, if you are not familiar with how to obtain lead-free wire solder or soldering bit, contact our
service station or service branch in your area.
3. Soldering
As the melting point of lead-free solder (Sn-Ag-Cu) is about 220 C which is higher than the conventional lead solder
and as it has poor solder wet ability, you may be apt to keep the soldering bit in contact with the PWB for
extended period of time. However, since the land may be peeled off or the maximum heat-resistance temperature
of parts may be exceeded, remove the bit from the PWB as soon as you confirm the steady soldering condition.
Lead-free solder contains more tin, and the end of the soldering bit may be easily corrected. Make sure to turn on
and off the power of the bit as required.
If a different type of solder stays on the tip of the soldering bit, it is alloyed with lead-free solder. Clean the bit after
every use of it.
When the tip of the soldering bit is blackened during use, file it with steel wool or fine sandpaper.
Be careful when replacing parts with polarity indication on the PWB silk.
Lead-free wire solder for servicing
Ref No.
Description
Parts No.
"MAIN, POWER, DISPLAY, SCART, VIDEO OUT, DIGITAL IN, DVD, MINUS FEEDBACK PWB" of this model employs
lead-free solder.
The LF symbol indicates lead-free solder, and is attached on the PWB and service manuals. The alphabetical character
following LF shows the type of lead-free solder.
by 40 C,
PWB-A
92LPWB7031MANS
MAIN
PWB-B
92LPWB6891PWRS
POWER (B1), DISPLAY (B2), SCART (B3), VIDEO OUT (B4), DIGITAL IN (B5)
PWB-C
92LPWB6891DVDS
DVD
PWB-D
92LPWB7031SUBS
MINUS FEEDBACK (USE FOR S/NO. 71100020 - 71200719 ONLY)
Summary of Contents for HT-DV30H
Page 11: ...HT DV30H MEMO ...
Page 12: ...HT DV30H 4 1 CHAPTER 4 DIAGRAM 1 Main Block Diagrams TP1 Figure 4 1 MAIN BLOCK DIAGRAM 1 2 ...
Page 13: ...HT DV30H 4 2 IC701 IXA161AW00 PR PB Y S01 Figure 4 2 MAIN BLOCK DIAGRAM 2 2 ...
Page 17: ...HT DV30H 4 6 DZ957 Q909 Figure 4 6 POWER BLOCK DIAGRAM 2 2 ...
Page 28: ...HT DV30H 5 11 MEMO ...
Page 32: ...HT DV30H 6 4 Figure 6 3 MAIN SCHEMATIC DIAGRAM 3 8 13 14 15 16 17 18 ...
Page 33: ...HT DV30H 6 5 Figure 6 4 MAIN SCHEMATIC DIAGRAM 4 8 MIC_IN A B C D E F G H 1 2 3 4 5 6 ...
Page 34: ...HT DV30H 6 6 Figure 6 5 MAIN SCHEMATIC DIAGRAM 5 8 JP826 7 8 9 10 11 12 ...
Page 36: ...HT DV30H 6 8 Figure 6 7 MAIN SCHEMATIC DIAGRAM 7 8 AUDIO SIGNAL A B C D E F G H 1 2 3 4 5 6 ...
Page 37: ...HT DV30H 6 9 Figure 6 8 MAIN SCHEMATIC DIAGRAM 8 8 SPEAKER TERMINAL 7 8 9 10 11 12 ...
Page 38: ...HT DV30H 6 10 Figure 6 9 USB SCHEMATIC DIAGRAM BI 706 A B C D E F G H 1 2 3 4 5 6 ...
Page 39: ...HT DV30H 6 11 MEMO ...
Page 45: ...HT DV30H 6 17 Figure 6 13 DISPLAY SCHEMATIC DIAGRAM 2 2 7 8 9 10 11 12 ...
Page 47: ...HT DV30H 6 19 MEMO ...
Page 49: ...HT DV30H 6 21 Figure 6 16 DVD SCHEMATIC DIAGRAM 2 8 7 8 9 10 11 12 ...
Page 52: ...HT DV30H 6 24 Figure 6 19 DVD SCHEMATIC DIAGRAM 5 8 7 8 9 10 11 12 ...
Page 54: ...HT DV30H 6 26 Figure 6 21 DVD SCHEMATIC DIAGRAM 7 8 CD SIGNAL A B C D E F G H 1 2 3 4 5 6 ...
Page 61: ...HT DV30H 6 33 Figure 6 28 WIRING SIDE OF MAIN PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...
Page 65: ...HT DV30H 6 37 Figure 6 32a WIRING SIDE OF POWER PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...
Page 69: ...HT DV30H 6 41 Figure 6 32b WIRING SIDE OF POWER PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...
Page 73: ...HT DV30H 6 45 Figure 6 36 WIRING SIDE OF DISPLAY PWB BOTTOM VIEW 2 2 7 8 9 10 11 12 ...
Page 88: ...HT DV30H 8 5 MEMO ...
Page 107: ...HT DV30H 18 MEMO ...
