SA-PT850E, SA-PT850EB, SA-PT850EE, SA-PT850EG - Panasonic Audio Service Manual Supplement (repair manual)

sa-pt850e, sa-pt850eb, sa-pt850ee, sa-pt850eg service manual supplement
Model
SA-PT850E SA-PT850EB SA-PT850EE SA-PT850EG
Pages
7
Size
908.98 KB
Type
PDF
Document
Service Manual Supplement
Brand
Device
Audio / DVD HOME THEATER SOUND SYSTEM
File
sa-pt850e-sa-pt850eb-sa-pt850ee-sa-pt850eg.pdf
Date

Read Panasonic SA-PT850E / SA-PT850EB / SA-PT850EE / SA-PT850EG Service Manual Supplement online

 1 
Background 
2
 2 
Block Diagram 
3
 3 
Troubleshooting Guide 
4
 4 
Part Location 
5
SA-PT850E
SA-PT850EB
SA-PT850EE
SA-PT850EG
Colour
(S).......................Silver Type
(K).......................Black Type
 4.1. 
SMPS P.C.B. 
5
 4.2. 
D-Amp P.C.B. 
6
 5 
D-Amp IC Configuration 
7
DVD Home Theater Sound System
Subject :  F61 Troubleshooting Summary
Please file and use this supplement manual together with the service manual for
Model No. SA-PT850E/EB/EG-S/K, Order No. MD0704038CE
Model No. SA-PT850EE-S/K, Order No. MD0705016CE
CONTENTS
 Page 
Page
ORDER NO. MD0711009SE
1 Background
This supplement illustrates the checking procedures when upon detecting the error code of “F61” after power up.This is to
troubleshoot Power P.C.B upon detecting the code.
2
SA-PT850E / SA-PT850EB / SA-PT850EE / SA-PT850EG
2 Block Diagram
Speaker Out 
DC Detect 
SUBWOOFER 
CENTER 
FRONT - R 
FRONT - L 
SURROUND - R 
SURROUND - L 
– 30V Detect 
SYS6V 
FAN Detect 
D-AMP P.C.B. 
SMPS  P.C.B.
MICON 
DCDET 
DCDET 
DCDET 
SYS6V 
Temperature Detect  
“F61” Detection Block at SMPS P.C.B. & D-Amp P.C.B.
3
SA-PT850E / SA-PT850EB / SA-PT850EE / SA-PT850EG
3 Troubleshooting Guide
The table below show the symptoms and checking items for troubleshooting the error code.
Symptom 
Checking Items 
Repair Items 
Remarks 
FL display blinking with 
abnormal segment when 
power ON the set or  F61  
Check the soldering of the SMPS 
P.C.B. 
·  Is there any solder crack at area 
(Q5860,Q5861, Q5862,TH5860, 
QR5801) 
·  Check all the supply line    30V   
Touch-up the solder crack area/ 
Change the defective parts. 
 
· Q5860,Q5861,Q5862,TH5860 
= Temperature Detect 
·  QR5801 =   30V Detect  
 
SMPS 
P.C.B. 
 
Refer to 
Fig. 1 
 
First Power ON Display 
immediate show  F61 . 
Check Speaker output by using 
multimeter,  
·  If there is a DC Voltage around  
   30V  
·  Check Output IC  (Pin 10 & 
14)which have DC Voltage at 
Speaker output short to
   Vdd/Vss
 
·  If shorted that means D-Amp 
damage already. 
Change the defective parts. 
P/N = 
For Configuration 
Refer to table 1
C1BA00000487 
D-AMP 
P.C.B. 
Refer to 
Fig. 2 
Power ON for awhile then 
only trigger  F61 . 
(Symptom always happen) 
Check the fan connection  
·  If the fan not proper connected, 
F61  will trigger when the 
volume increase. 
·  If the fan is not working, check 
for fan circuit 
Re-connect the Fan to CN5501 
 
Fan circuit: Q5640, Q5641, 
Q5642, Q5644 
D-AMP 
P.C.B. 
 
Refer to 
Fig. 3 
4
SA-PT850E / SA-PT850EB / SA-PT850EE / SA-PT850EG
Page of 7
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Here you can read online and download Panasonic SA-PT850E / SA-PT850EB / SA-PT850EE / SA-PT850EG Service Manual Supplement in PDF. SA-PT850E / SA-PT850EB / SA-PT850EE / SA-PT850EG service manual supplement will guide through the process and help you recover, restore, fix, disassemble and repair Panasonic SA-PT850E / SA-PT850EB / SA-PT850EE / SA-PT850EG Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.