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Model
SA-BTT460GS SA-BTT460PH SA-BTT480EE SA-BTT480GS SC-BTT480EEK
Pages
127
Size
19.85 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / BLU-RAY DISC HOME THEATER SOUND SYSTEM
File
sa-btt460gs-sa-btt460ph-sa-btt480ee-sa-btt480gs-sc.pdf
Date

Panasonic SA-BTT460GS / SA-BTT460PH / SA-BTT480EE / SA-BTT480GS / SC-BTT480EEK Service Manual ▷ View online

45
9.3.5.
Service Mode Table 5
CEC (H) output
Check of the CEC terminal high output 
of HDMI.
Press [5] [5] in service mode.
CEC (L) output
Check of the CEC terminal low output 
of HDMI.
Press [5] [6] in service mode.
Item
FL display
Key operation
Mode name
Description
(Remote controller key)
CECLOK
CECHOK
CECLNG
NO DATA
CECHNG
Manufacturing Date
Read out the manufacturing date of the unit.
YY: Year
MM: Month
DD: Date
Press [6] [1] in service mode.
&&
8. When the last error doesn’t exist
7. Factor of drive error (hexadeci-
mal) occurring is left displayed.
46
9.3.6.
Service Mode Table 6
Tray OPEN/CLOSE 
Test
*
is number of open/close cycle
times.
Press [9] [1] in service mode
*When releasing this mode, press
the [POWER] button of Remote
Controller.
Delete the Laser 
Used Time
Laser used time stored in the memory of the
unit is deleted.
Press [9] [5] in service mode.
Delete the Last 
Drive Error
Delete the Last Drive Error information stored
on the BD Mechanism.
Press [9] [6] in service mode.
Delete Error History information stored on the
unit.
Press [9] [7] in service mode.
Initialization of the last error code held by
timer (Write in F00) last error code information
stored by timer is deleted (write in F00)
Press [9] [8] in service mode.
Last Drive Error, Error history and Error
Codes stored on the unit are initialized to fac-
tory setting.
Press [9] [9] in service mode.
Display in STOP.
Press power button on the front
panel or Remote controller in 
service mode.
Item
FL display
Key operation
Mode name
Description
(Remote controller key)
CLR
DP
DINI
DINIOK
DINING
DP
CLR
CLR
CLR
CLR
Initialization of Error 
code
Initialization of Service 
mode
Release Service mode
Release Service Mode and turns the Power
off
Drive adjustment 
value initialization
**** : password digits
         ((4) (5) (3) (6))
Write remote control number key
perform the initialization.
Initializing:
Successful adjustment value 
initialization and automatic 
adjustment time :
Failed at initialization and automatic
adjustment adjustment :
When you enter the wrong
password service mode initially
(SERV __ __) to return.
Initialize the drive going to factory production
adjustment values.
Press[7][1]in service mode.
* * * *
The tray is opened and closed repeatedly.
Delete the Error 
History
47
9.3.7.
Service Mode Table 7
*When press [OPEN/CLOSE] key
while the tray being locked.
Sales Demonstration
lock/unlock
48
10 Troubleshooting Guide
10.1. Troubleshooting Guide for F61 and/or F76
Symptom(s)
Checking items
Possible Fault(s)
Remarks
Set cannot Power ON:
Condition 1: 
With Standby LED on
1 Photocoupler PC5702,
PC5799
1 PC5702/PC5799 solder crack,
dry joint , short circuit, open  
circuit, etc
2 Switching IC IC5701
1 AC cord
2 AC Inlet P5701
1 Faulty AC cord, loose  
connection
Solder crack, dry joint, short  
circuit, open circuit, etc
2
Check FFC connection/ 
alignment from SMPS (JW2)
to Digital (CN2309)
2
2 P5701 solder crack, dry joint  
etc
2 Faulty IC5701, pin 1 and 2  
shorted, VCC short to GND, etc
3 Faulty IC5799, pin 5 and 7  
shorted, VCC short to GND, etc
3 Switching IC IC5799
Set can Power ON  
then F61
Set can Power ON  
then F76
Set can Power ON  
working normally for
sometime then F61
Condition 2: 
With Standby LED Off 
or flickering
3 F1 Fuse open
3 Fuse F1
1 DC-DC circuit
1 Thermal Diode D5802
2 SMPS FFC loose
3 Regulator Circuit
4 FL Panel (No Display)
1 Transformer T5701
2 Photocoupler PC5720
1a Pin 11/12 shorted to pin 9
1b Pin 15 shorted to pin 14
1a L2902 Open (no input to  
IC2901)
1b Faulty IC2901 (no output  
voltage at pin 10 and 11)
1a Improper contact between  
D5802 to heatsink
1b OTP (thermal) protection  
trigger prematurely
3a No +3.3V output at LB2300 & 
LB2302 (open circuit)
3b No +5V at LB2303, LB2304, 
LB2306 (open circuit)
4a No +12V input to T6100 (Pin 1)
4b Faulty T6100, no output at  
Pin 8 & 9 (F+, F-)
4c No -9V output due to open 
circuit at L6100
3c No -7V output (D2306, Q2303 
faulty)
3d No +3.3V output at LB2301 
(open) & IC2302 faulty
1c Faulty Q2902 and Q2903  
(regulator)
1d L2908 open (No DC +5V)
Refer to Figure 10-1 SMPS P.C.B.
Refer to Figure 10-1 SMPS P.C.B.
Refer to Figure 10-1 SMPS P.C.B.
Refer to Figure 10-1 SMPS P.C.B.
Refer to Figure 10-1 SMPS P.C.B.
Refer to Figure 10-2 Digital P.C.B.
Refer to Figure 10-2 Digital P.C.B.
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