Panasonic KX-TVM503X (serv.man2) Service Manual ▷ View online
2006 Panasonic Communications
KX-TVM503X
(for Canada, Asia, Oceania, Middle Near East, Europe,
Russia, Africa and Latin America)
2-PORT DIGITAL EXPANSION CARD
IMPORTANT INFORMATION ABOUT LEAD FREE, (PbF), SOLDERING
If lead free solder was used in the manufacture of this product the printed circuit boards will be marked PbF.
Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.
If lead free solder was used in the manufacture of this product the printed circuit boards will be marked PbF.
Standard leaded, (Pb), solder can be used as usual on boards without the PbF mark.
When this mark does appear, please read and follow the special instructions described in this manual on the use of PbF and how
it might be permissible to use Pb solder during service and repair work.
it might be permissible to use Pb solder during service and repair work.
ORDER NO. KMS0607287CE
F5
1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
3
1.1.
SUGGESTED PbF SOLDER
3
1.2.
HOW TO RECOGNIZE THAT Pb FREE SOLDER IS
USED
4
2 FOR SERVICE TECHNICIANS
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3 INSTALLING KX-TVM503X
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3.1.
GENERAL
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3.2.
INSTALLATION
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4 BLOCK DIAGRAM
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4.1.
BLOCK DIAGRAM FOR KX-TVM50
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4.2.
BLOCK DIAGRAM FOR KX-TVM503X
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5 TROUBLESHOOTING GUIDE
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5.1.
DSP INTERFACE CIRCUITS IS OUT OF ORDER.
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6 TERMINAL GUIDE OF ICS, TRANSISTORS AND DIODES 12
7 HOW TO REPLACE A FLAT PACKAGE IC
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7.1.
PREPARATION
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7.2.
REMOVAL PROCEDURE
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7.3.
INSTALLATION PROCEDURE
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7.4.
REMOVING SOLDER FROM BETWEEN PINS
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8 FIXTURES AND TOOLS
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9 CABINET AND ELECTRICAL PARTS
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10 ACCESSORIES AND PACKING MATERIALS
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11 REPLACEMENT PARTS LIST
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11.1. CABINET AND ELECTRICAL PARTS
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11.2. ACCESSORIES AND PACKING MATERIALS
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11.3. MAIN BOARD PARTS
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11.4. TOOLS
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12 FOR THE SCHEMATIC DIAGRAM
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13 SCHEMATIC DIAGRAM
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13.1. DIGITAL NO.1
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13.2. DIGITAL NO.2
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14 PRINTED CIRCUIT BOARD
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14.1. Component View
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14.2. Bottom View
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CONTENTS
Page
Page
2
KX-TVM503X
1 ABOUT LEAD FREE SOLDER (PbF: Pb free)
Note:
In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that
contains lead.
contains lead.
We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin, (Sn),
Silver, (Ag), and Copper, (Cu).
Silver, (Ag), and Copper, (Cu).
This model, and others like it, manufactured using lead free solder will have PbF stamped on the PCB. For service and repair
work we suggest using the same type of solder.
work we suggest using the same type of solder.
Caution
· PbF solder has a melting point that is 50° ~ 70° F, (30° ~ 40°C) higher than Pb solder. Please use a soldering iron with
temperature control and adjust it to 700° ± 20° F, (370° ± 10°C).
· Exercise care while using higher temperature soldering irons.:
Do not heat the PCB for too long time in order to prevent solder splash or damage to the PCB.
· PbF solder will tend to splash if it is heated much higher than its melting point, approximately 1100°F, (600°C).
· When applying PbF solder to double layered boards, please check the component side for excess which may flow onto the
· When applying PbF solder to double layered boards, please check the component side for excess which may flow onto the
opposite side (See figure, below).
1.1. SUGGESTED PbF SOLDER
There are several types of PbF solder available commercially. While this product is manufactured using Tin, Silver, and Copper,
(Sn+Ag+Cu), you can also use Tin and Copper, (Sn+Cu), or Tin, Zinc, and Bismuth, (Sn+Zn+Bi). Please check the manufac
turer’s specific instructions for the melting points of their products and any precautions for using their product with other
materials.
The following lead free (PbF) solder wire sizes are recommended for service of this product: 0.3mm, 0.6mm and 1.0mm.
(Sn+Ag+Cu), you can also use Tin and Copper, (Sn+Cu), or Tin, Zinc, and Bismuth, (Sn+Zn+Bi). Please check the manufac
turer’s specific instructions for the melting points of their products and any precautions for using their product with other
materials.
The following lead free (PbF) solder wire sizes are recommended for service of this product: 0.3mm, 0.6mm and 1.0mm.
3
KX-TVM503X
1.2. HOW TO RECOGNIZE THAT Pb FREE SOLDER IS USED
2 FOR SERVICE TECHNICIANS
ICs and LSIs are vulnerable to static electricity.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch IC or LSI pins with bare fingers.
When repairing, the following precautions will help prevent recurring malfunctions.
1. Cover the plastic parts boxes with aluminum foil.
2. Ground the soldering irons.
3. Use a conductive mat on the worktable.
4. Do not touch IC or LSI pins with bare fingers.
4
KX-TVM503X