Read Panasonic KX-TDA0490XJ / KX-TDA0490X Service Manual online
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
5
3 GENERAL DESCRIPTION
5
4 SPECIFICATION
5
5 NAMES AND LOCATIONS
6
5.1.
INSTALLING/REMOVING THE OPTIONAL SERVICE
CARDS
7
6 TROUBLESHOOTING GUIDE
10
6.1.
CARD START-UP CHECK (CHECK LED ON)
12
6.2.
POWER SUPPLY PROBLEM
14
6.3.
ERROR LOG
16
7 BLOCK DIAGRAM
17
8 CIRCUIT OPERATIONS
18
8.1.
BRIEF DESCRIPTION OF BLOCKS
18
8.2.
IP-Engine
18
8.3.
ASIC BLOCK
19
8.4.
PBX INTERFACE BLOCK
20
8.5.
DSP BLOCK (SUB BOARD)
20
8.6.
POWER SUPPLY BLOCK
21
9 IC DATA
22
9.1.
IC100 (LPR) MAIN BOARD
22
9.2.
IC202 (ASIC)
24
9.3.
IC400 (CPU)
25
9.4.
IC202 SUB BOARD
29
10 HOW TO REPLACE A FLAT PACKAGE IC
32
10.1. PREPARATION
32
10.2. PROCEDURE
32
10.3. REMOVING SOLDER FROM BETWEEN PINS
32
11 TERMINAL GUIDE OF ICs, TRANSISTORS AND DIODES
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12 CABINET AND ELECTRICAL PARTS LOCATION
34
13 ACCESSORIES AND PACKING MATERIALS
35
14 REPLACEMENT PARTS LIST
36
14.1. CABINET AND ELECTRICAL PARTS LOCATION
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14.2. ACCESSORIES AND PACKING MATERIALS
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14.3. MAIN BOARD PARTS
36
14.4. SUB BOARD PARTS
41
15 FOR SCHEMATIC DIAGRAM
44
16 SCHEMATIC DIAGRAM
46
16.1. MAIN No.1-CPU-SH1 and Memory Block
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16.2. MAIN No.2-ASIC Block
50
16.3. MAIN No.3 DPRAM and PCC FPGA Block
54
16.4. MAIN No.4-CPU-SH7750R Block
58
16.5. MAIN No.5-Flash and SDRAM Block
62
16.6. MAIN No.6-ICE and OPTION Interface Block
64
16.7. MAIN No.7-Power Supply Block
68
16.8. WAVEFORM
69
16.9. SUB No.1-IP GW16
70
16.10. SUB No.2-IP GW16
74
17 PRINTED CIRCUIT BOARD
78
17.1. MAIN BOARD
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17.2. SUB BOARD
80
CONTENTS
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KX-TDA0490XJ / KX-TDA0490X
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