SA-XH175EE, SA-XH175GS, SC-XH175EE - Panasonic Audio Service Manual (repair manual). Page 2

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5 General/Introduction ------------------------------------------- 15

5.1. Power-Saving Features -------------------------------- 15
5.2. Linked Operations with the TV (VIERA Link™

“HDAVI Control™”) -------------------------------------- 16

5.3. Disc Information ------------------------------------------ 18
5.4. DivX Information (For EE) ----------------------------- 21

6 Location of Controls and Components------------------ 22

6.1. Remote Control Key Button Operations ------------ 22
6.2. Main Unit Key Button Operations -------------------- 23

7 Installation Instructions--------------------------------------- 24

7.1. Speaker Connections  ---------------------------------- 24
7.2. Radio Antenna connection----------------------------- 24
7.3. Connection with an ARC compatible TV ----------- 25

8 Operating Instructions ---------------------------------------- 26

8.1. Removing of disc during abnormality --------------- 26

9 Service Mode ----------------------------------------------------- 28

9.1. Cold-Start--------------------------------------------------- 28
9.2. Panel Code Setting Operation ------------------------ 28
9.3. Self Diagnostic -------------------------------------------- 31
9.4. Error Code ------------------------------------------------- 36
9.5. Sales Demonstration Lock Function ---------------- 38
9.6. Firmware Version-Up Information -------------------- 39

10 Troubleshooting Guide---------------------------------------- 41

10.1. Troubleshooting Guide for F61 and/or F76 -------- 41
10.2. DVD/CD Laser Diode current measurement ------ 44
10.3. Basic Troubleshooting Guide for Traverse

Unit (Main P.C.B.) ---------------------------------------- 45

10.4. Basic Troubleshooting Guide for HDMI AV

output-------------------------------------------------------- 46

11 Service Fixture & Tools --------------------------------------- 47

12 Disassembly and Assembly Instructions --------------- 48

12.1. Screw Type ------------------------------------------------ 48
12.2. Disassembly Flow Chart-------------------------------- 49
12.3. Main Components and P.C.B. Locations ----------- 50
12.4. Disassembly of Top Cabinet--------------------------- 51
12.5. Replacement of Tray Ornament ---------------------- 52
12.6. Disassembly of Front Panel Block Assembly ----- 54
12.7. Disassembly of Operation Button P.C.B. ----------- 55
12.8. Disassembly of Power Button P.C.B.---------------- 56
12.9. Disassembly of Mic P.C.B. ----------------------------- 57

12.10. Disassembly of Panel P.C.B. -------------------------- 58

12.11. Disassembly of Rear Panel---------------------------- 58

12.12. Disassembly of Fan Unit ------------------------------- 59
12.13. Disassembly of Main P.C.B. --------------------------- 60
12.14. Disassembly of D-Amp P.C.B. ------------------------ 61
12.15. Replacement of Digital Amplifier IC (IC5100/

IC5200/IC5300)------------------------------------------- 62

12.16. Disassembly of AC Inlet P.C.B. ----------------------- 64
12.17. Disassembly of SMPS P.C.B. ------------------------- 65
12.18. Replacement of Switching Regulator IC

(IC5701) ---------------------------------------------------- 66

12.19. Replacement of Diode (D5702) ---------------------- 68
12.20. Replacement of Diode (D5802) ---------------------- 70
12.21. Replacement of Diode (D5803) ---------------------- 71
12.22. Disassembly of DVD Mechanism Unit

(BRS11D) -------------------------------------------------- 72

12.23. Replacement of Traverse unit------------------------- 73

13 Service Position ------------------------------------------------- 79

13.1. Checking & Repairing of Panel P.C.B. -------------- 79
13.2. Checking & Repairing Main P.C.B. ------------------ 79
13.3. Checking and Repairing D-Amp P.C.B.------------- 80

13.4. Checking & Repairing of SMPS P.C.B.------------- 82

14 Overall Simplified Block Diagram------------------------- 83
15 Block Diagram --------------------------------------------------- 84

15.1. Backend---------------------------------------------------- 84
15.2. IC Terminal Chart ---------------------------------------- 85
15.3. System Control ------------------------------------------- 86
15.4. Audio and Video ----------------------------------------- 87
15.5. Power Supply --------------------------------------------- 88

16 Wiring Connection Diagram -------------------------------- 90
17 Schematic Diagram -------------------------------------------- 91

17.1. Schematic Diagram Notes ---------------------------- 91
17.2. Main(HDMI/Micon) Circuit ----------------------------- 93
17.3. Panel Circuit --------------------------------------------- 104
17.4. Operation Button, Power Button and AC Inlet

Circuit ------------------------------------------------------ 105

17.5. D-Amp Circuit-------------------------------------------- 106
17.6. SMPS Circuit--------------------------------------------- 110
17.7. Mic Circuit ------------------------------------------------ 112

18 Printed Circuit Board----------------------------------------- 113

18.1. Main P.C.B.----------------------------------------------- 113
18.2. Panel, Operation Button, Power Button and

Mic P.C.B.------------------------------------------------- 115

18.3. D-Amp P.C.B. -------------------------------------------- 116
18.4. SMPS and AC Inlet P.C.B. --------------------------- 117

19 Appendix Information of Schematic Diagram ------- 119

19.1. Voltage & Waveform Chart --------------------------- 119
19.2. Illustration of ICs, Transistor and Diode----------- 127
19.3. Terminal Function of ICs ------------------------------ 128

20 Exploded View and Replacement Parts List---------- 131

20.1. Exploded View and Mechanical Replacement

Parts List -------------------------------------------------- 131

20.2. Electrical Replacement Parts List ------------------ 135