Panasonic sa bt 337 gn service manual

Page 2

IMPORTANT SAFETY NOTICE

There are special components used in this equipment which are important for safety. These parts are marked by A in the Schematic
Diagrams, Circuit Board Diagrams, Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced
with manufacturers specified parts to prevent shock, fire or other hazards. Do not modify the original design without permission of

manufacturer.

TABLE OF CONTENTS
PAGE

1 Safety Precautions ----------------------------------------------- 4
1.1. GENERAL GUIDELINES -----
1.2. Before Repair and Adjustment-
1.3. Protection Circuitry --------

1.4. Safety Parts Information- --6

2 Warning -------------------------------------------------------------- 7
2.1. Prevention of Electrostatic Discharge (ESD)

to Electrostatic Sensitive (ES) Devices --
2.2. Precaution of Laser Diode ---------------
2.3. Service caution based on Legal restrictions-
2.4. Handling Precautions for ED Drive-

3 Service Navigation -----------------------------
3.1. Service Information ----------

3.2. Caution for Replacing Parts --

4 Specifications -----------------------------------

5 Location of Controls and Components-
5.1. Remote Control Key Button Operations-
5.2. Main Unit Key Button Operations ------
5.3. Using BD-LIVE or BONUSVIEW in BD-Video 17
5.4. Using the iPod/iPhone
5.5. DLNA feature ------------
5.6. Speaker Connections -
5.7. Disc Playability ---------
5.8. SD Information -------------------------------------------- 24
5.9. File Extension Type Support (MP3/JPEG/

DivX/AVCHD/MPEG2 files)

6 Operating Instructions ------------
6.1. Removing of disc during abnormality -

7 Self-Diagnostic and Special Mode Setting --
7.1. Special Mode Table 1 ---------------------
7.2. Special Mode Table 2 -
7.3. Error Code Table -------
7.4. Service Mode----

8 Troubleshooting Guide-
8.1. Troubleshooting Guide for F61 and/or F76--

9 Service Fixture & Tools --------------
9.1. Service Tools and Equipment --

10 Disassembly and Assembly Instructions-
10.1. Disassembly Flow Chart ------------------
10.2. Main Components and P.C.B. Locations
10.3. Disassembly of Top Cabinet ----------------
10.4. Disassembly of AC Inlet P.C.B.---

10.5. Disassembly of Optical In P.C.B.-

10.6. Disassembly of Wireless Adapter P.C.B.

10.7. Disassembly of Rear Panel --------------

10.8. Disassembly of Front Panel Block Assembly --

10.9. Dissassembly of Panel P.C.B. ----------
10.10. Disassembly of Power Button P.C.B.--
10.11. Replacement of Cradle Lid --------------
10.12. Disassembly of iPod Cradle Assembly --
10.13. Disassembly of iPod/iPhone P.C.B.
10.14. Replacement of DVD Lid Unit --------

---25

PAGE
10.15. Disassembly of Front Shield Plate Unit ----------- 59
10.16. Disassembly of BD Drive
10.17. Disassembly of Main P.C.B

10.18. Disassembly of D-Amp P.C.B. ------------------------ 69
10.19. Replacement of Digital Amplifier IC (IC5100/
ICSZOO) ---------------------------
10.20. Disassembly of Power P.C.B - 71
10.21. Disassembly of SMPS P.C.B.-- 72
10.22. Replacement of Switching Regulator IC
(IC5701) -------------------------------------------------- 74
10.23. Replacement of Rectifier Diode (D5702) -------- 75
10.24. Replacement of Regulator Diode (D5802) ------ 76
10.25. Replacement of Regulator Diode (D5803) ------ 77
10.26. Disassembly of Fan ---------------------------- 78
11 Service Position ----------------------------------------------- 81

11.1. Checking & Repairing Side B of Main P.C.B
11.2. Checking & Repairing Side A of Main P.C.B
11.3. Checking & Repairing D-Amp P.C.B.
11.4. Checking & Repairing SMPS P.C.B.-
11.5. Checking & Repairing Panel P.C.B.

12 Voltage 81 Waveform Chart --------------
12.1. Main P.C.B. (1/3)----
12.2. Main P.C.B. (2/3)----
12.3. Main P.C.B. (3/3)-
12.4. Panel P.C.B. ------
12.5. D-Amp P.C.B. (1/2)--
12.6. D-Amp P.C.B. (2/2)-
12.7. Power P.C.B. --------
12.8. SMPS P.C.B. -----------
12.9. Waveform Table (1/2) -
12.10. Waveform Table (2/2) --------------------
13 Illustration of le, Transistor and Diode-
14 Block Diagram -----------------
14.1. Main(System Control)
14.2. Main(Audio) --
14.3. Digital Audio--
14.4. Power Supply(Main Section)

15 Wiring Diagram ----------------
16 Schematic Diagram Notes-
17 Schematic Diagram -------------
17.1. Main(Micon/Tuner) Circuit
17.2. Panel Circuit -
17.3. D-Amp Circuit
17.4. SMPS Circuit ----------------------------------
17.5. Power, Power Button & AC Inlet Circuit
17.6. iPod/iPhone. Optical In & Wireless Adapter

Circuit ------------- ---125
18 Printed Circuit Board ---126
18.1. Main P.C.B. ----------------------------------------------- 126

18.2. Panel, Power, Power Button & AC Inlet P.C.B. -128
18.3. D-Amp P.C.B. ...129
18.4. SMPS P.C.B.- ...13()