Service Manuals, User Guides, Schematic Diagrams or docs for : panasonic Audio SA-XH155 hfe_panasonic_sa-xh155_service_en

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                                                                                                                                       PSG1103008CE




                                                                              DVD Home Theater Sound System
                                                                               Model No. SA-XH155EE
                                                                                                  SA-XH155GS
                                                                               Product Color: (K)...Black Type




Note: Please refer to the original service manual for:
 DVD Mechanism Unit (BRS1D), Order No. PSG1012001CE
 Speaker system SB-XH155EG-K, Order No. PSG1102015CE




TABLE OF CONTENTS
                                                                    PAGE                                                                          PAGE
 1 Safety Precautions----------------------------------------------- 3              2.4. Handling Precautions for Traverse Unit ------------ 10
    1.1. GENERAL GUIDELINES -------------------------------- 3                   3 Service Navigation --------------------------------------------- 12
    1.2. Before Repair and Adjustment ------------------------- 4                   3.1. Service Information -------------------------------------- 12
    1.3. Protection Circuitry ---------------------------------------- 5         4 Specifications ---------------------------------------------------- 13
    1.4. Safety Parts Information --------------------------------- 5               4.1. Others (Licences) ---------------------------------------- 14
    1.5. Caution for AC Cord (For GS Only)------------------- 6                  5 Location of Controls and Components------------------ 15
 2 Warning -------------------------------------------------------------- 7         5.1. Remote Control and Main Unit Key Button
    2.1. Prevention of Electrostatic Discharge (ESD)                                     Operations ------------------------------------------------- 15
         to Electrostatic Sensitive (ES) Devices -------------- 7                   5.2. Main Unit Key Button Operations -------------------- 16
    2.2. Precaution of Laser Diode------------------------------- 8                 5.3. Power-Saving Features -------------------------------- 17
    2.3. Service caution based on Legal restrictions -------- 9                     5.4. Speaker Connection------------------------------------- 17
     5.5. Using the VIERA Link "HDAVI ControlTM"---------- 18                         12.4. Main P.C.B. (1/2)----------------------------------------- 91
     5.6. Connection with an ARC compatible TV ----------- 20                         12.5. Main P.C.B. (2/2)----------------------------------------- 92
     5.7. Disc Information ------------------------------------------ 21              12.6. Panel P.C.B.----------------------------------------------- 93
 6 Operating Instructions ---------------------------------------- 23                 12.7. D-Amp P.C.B. (1/2) -------------------------------------- 94
     6.1. Removing of disc during abnomality ---------------- 23                      12.8. D-Amp P.C.B. (2/2) -------------------------------------- 95
 7 Self-Diagnostic and Special Mode Setting ------------- 25                          12.9. SMPS P.C.B.---------------------------------------------- 96
     7.1. Cold-Start--------------------------------------------------- 25          12.10. Waveform Table (1/2)----------------------------------- 97
     7.2. Service Mode Table-------------------------------------- 25               12.11. Waveform Table (2/2)----------------------------------- 98
     7.3. Self-Diagnostic Mode ----------------------------------- 31             13 Illustration of ICs, Transistor and Diode ---------------- 99
     7.4. Self Diagnostic Function-Error Code ---------------- 32                 14 Overall Simplified Block Diagram------------------------ 101
     7.5. Sales Demonstration Lock Function ---------------- 34                   15 Block Diagram -------------------------------------------------- 102
     7.6. Firmware Version-Up Information -------------------- 35                     15.1. Backend--------------------------------------------------- 102
 8 Troubleshooting Guide---------------------------------------- 37                   15.2. IC Terminal Chart --------------------------------------- 103
     8.1. Troubleshooting Guide for F61 and/or F76 -------- 37                        15.3. System Control ------------------------------------------ 104
     8.2. DVD/CD           Laser           Diode           current                    15.4. Audio & Video ------------------------------------------- 105
          measurement.This section will illustrate                                    15.5. Power Supply -------------------------------------------- 107
          procedures of measuring& deriving DVD/CD                                16 Wiring Connection Diagram ------------------------------- 109
          Laser Diode Current. ------------------------------------ 40            17 Schematic Diagram ------------------------------------------- 111
     8.3. Basic Troubleshooting Guide for Traverse                                    17.1. Schematic Diagram Notes --------------------------- 111
          Unit (Backend P.C.B.) ----------------------------------- 42                17.2. Backend Circuit ----------------------------------------- 113
     8.4. Basic Troubleshooting Guide for HDMI AV                                     17.3. Main Circuit----------------------------------------------- 119
          output-------------------------------------------------------- 43           17.4. Operation Button & Power Button Circuit--------- 127
 9 Service Fixture & Tools --------------------------------------- 44                 17.5. Panel Circuit --------------------------------------------- 128
     9.1. Service Tools and Equipment ------------------------- 44                    17.6. D-Amp Circuit-------------------------------------------- 130
10 Disassembly and Assembly Instructions --------------- 45                           17.7. SMPS Circuit--------------------------------------------- 134
    10.1. Disassembly Flow Chart-------------------------------- 46                   17.8. AC Inlet Circuit ------------------------------------------ 136
    10.2. Main Components and P.C.B. Locations ----------- 47                     18 Printed Circuit Board----------------------------------------- 137
    10.3. Disassembly of Top Cabinet--------------------------- 48                    18.1. Backend P.C.B.------------------------------------------ 137
    10.4. Disassembly of Rear Panel---------------------------- 49                    18.2. Main P.C.B.----------------------------------------------- 138
    10.5. Disassembly of Fan-------------------------------------- 50                 18.3. Operation Button, Power Button & Panel
    10.6. Disassembly of Front Panel Block Assembly ----- 50                                P.C.B. ------------------------------------------------------ 140
    10.7. Disassembly of Panel P.C.B. -------------------------- 51                   18.4. D-Amp P.C.B. -------------------------------------------- 141
    10.8. Disassembly of Operation Button P.C.B. ----------- 52                       18.5. SMPS & AC Inlet P.C.B. ------------------------------ 142
    10.9. Disassembly of Power Button P.C.B.---------------- 53                   19 Terminal Function of ICs ------------------------------------ 143
  10.10. Replacement of Front Lid Assembly ---------------- 54                        19.1. IC2300            (RFKWMXH150EB):                       IC
  10.11. Replacement of Cradle Ornament ------------------- 56                              MICROPROCESSOR --------------------------------- 143
  10.12. Disassembly of DVD Mechanism Unit                                            19.2. IC6001 (C0HBB0000057): IC FL Display
          (BRS1D) ---------------------------------------------------- 57                   Driver ------------------------------------------------------ 144
  10.13. Replacement of Traverse unit------------------------- 60                 20 Exploded View and Replacement Parts List---------- 145
  10.14. Disassembly of AC Inlet P.C.B. ----------------------- 65                    20.1. Exploded View and Mechanical Replacement
  10.15. Disassembly of D-Amp P.C.B. ------------------------ 66                            Parts List -------------------------------------------------- 145
  10.16. Replacement of Digital Amplifier IC (IC5100/                                 20.2. Electrical Replacement Parts List ------------------ 149
          IC5200/IC5300)------------------------------------------- 68
  10.17. Disassembly of Main P.C.B. --------------------------- 69
  10.18. Disassembly of Backend P.C.B. ---------------------- 71
  10.19. Disassembly of SMPS P.C.B. ------------------------- 73
  10.20. Replacement of Switching Regulator IC
          (IC5701) ---------------------------------------------------- 75
  10.21. Replacement of Rectifier Diode (D5702)----------- 77
  10.22. Replacement of Thermal Diode (D5802)----------- 78
  10.23. Replacement of Regulator Diode (D5803)--------- 79
11 Service Position ------------------------------------------------- 81
    11.1. Checking & Repairing of Main P.C.B. --------------- 81
    11.2. Checking & Repairing D-Amp P.C.B.---------------- 82
    11.3. Checking & Repairing SMPS P.C.B. ---------------- 84
    11.4. Checking & Repairing of Panel P.C.B. -------------- 85
    11.5. Checking & Repairing of Backend P.C.B. ---------- 86
12 Voltage & Waveform Chart ----------------------------------- 88
    12.1. Backend P.C.B. (1/3) ------------------------------------ 88
    12.2. Backend P.C.B. (2/3) ------------------------------------ 89
    12.3. Backend P.C.B. (3/3) ------------------------------------ 90



                                                                              2
1 Safety Precautions
1.1.     GENERAL GUIDELINES
  1. When servicing, observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
     damaged by the short circuit.
  2. After servicing, see to it that all the protective devices such as insulation barriers, insulation papers shields are properly
     installed.
  3. After servicing, carry out the following leakage current checks to prevent the customer from being exposed to shock hazards.

1.1.1.     LEAKAGE CURRENT COLD CHECK
  1. Unplug the AC cord and connect a jumper between the two prongs on the plug.
  2. Measure the resistance value, with an ohmmeter, between the jumpered AC plug and each exposed metallic cabinet part on
     the equipment such as screwheads, connectors, control shafts, etc. When the exposed metallic part has a return path to the
     chassis, the reading should be between 1M and 5.2M.
     When the exposed metal does not have a return path to the chassis, the reading must be


1.1.2.     LEAKAGE CURRENT HOT CHECK
  1. Plug the AC cord directly into the AC outlet. Do not use an isolation transformer for this check.
  2. Connect a 1.5k, 10 watts resistor, in parallel with a 0.15



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