DOWNLOAD Panasonic SA-XH165EE / SA-XH165GS / SC-XH165EE Service Manual ↓ Size: 11.79 MB | Pages: 127 in PDF or view online for FREE

33

This function prevents discs from being lost when the unit is used for sales demonstrations by disabling the disc eject function.
“LOCKED” is displayed on the unit, and ordinary operation is disabled.

• Prohibiting removal of disc

1. Select the DVD/CD function.
2. At POWER ON condition, press and hold down the [ ] button and the [POWER] button on the main unit for at least three

seconds. (The message, “LOCKED” appears when the function is activated.)

OPEN/CLOSE 

 button is invalid and the main unit displays “LOCKED” while the lock function mode is entered.

• Prohibiting operation of selector and disc

1. Select the DVD/CD function.
2. At POWER ON condition, press and hold down the [ ] button and the [POWER] button on the main unit for at least three

seconds. (The message, “LOCKED” appears when the function is activated.)

The following buttons are invalid and the main unit displays “LOCKED” while the lock function mode is entered.

The lock can be cancelled by the same procedure as used in locking. (“UNLOCKED” is displayed on cancellation)
At normal Power ON/OFF the LOCKED condition is not cleared. However AC Power ON/OFF should clear LOCKED condition.

Main unit

OPEN/CLOSE, , , 

POWER 

 Remote con-

troller unit

REPEAT, NUMERIC KEYS 0~9, 

,

,

,

,

,

,

,

,

 RETURN, FUNCTIONS, EXT IN, RADIO,

DVD, EXIT, TOP MENU, START, MENU, POWER, CANCEL, MUTE.

34

Collect ROM 

Files

(Copy files into

CD-R/RW)

Load disc into

unit

(To update rate) 

Step 1 
Unzip the  filmware update file.
Step 2 
Burn below files into root folder of 
the CD disc.
Step 3 
1. update.ver
2. build.img
3. mupdate.ver
4. XH150_045.bin

Notes:
1. Software update files = 
"mupdate.ver" & "XH150_045.bin"
2. Firmware update files = 
"update.ver" & "build.img"

All panel keys and 
remote controller keys,
including [POWER] key,
are invalid during CD
Update.

Caution: Make sure the 
power supply during CD 
update. If the power supply 
cable is unplugged during 
update stage, CD update 
will fail. The DVD model 
can’t work, and can’t be 
recovered by CD update 
again.

User can put both files 
into the same root 
directory. DVD MODEL 
will choose the right 
ROM files to update 
its firmware.

1

2

Display 1:

GUI Display 1.1:

Step 1 
Power on main unit.

Step 2 
Change selector to CD/DVD mode 
(default is DVD/CD mode)

Step 3 
Load in the disc with software/
firmware update data.

After disc reading, GUI will 
display as:
 "GUI Display 1.1: 
Are you sure you want to 
update the firmaware?" 

Wait about 15~20 min to finish 
update process.

After disc reading, GUI will 
display as:
"GUI Display 1.2: 
Updating in progress. Please 
wait...Please do not turn off
power during update."

FL will display in the sequence 
of " WRITE C", "WRITE D", 
" WRITE E", "WRITE F" and 
"WRT ROM2" as FL display 
1.1~1.5 shown.

Step 4 
Use remote control to select "OK" 
button and press remote control 
[OK] key.

GUI Display 1.2:

FL Display 1.1: 

FL Display 1.2: 

FL Display 1.3: 

FL Display 1.4: 

FL Display 1.5: 

35

To initialize, press and hold 
main unit [STOP] then 
press remote control key 
[>10].

If firmware software update 
completes successfully:

Firmware update is completed,

please open the tray and remove 

the disc

GUI Display 1.3:

Step 5 
Eject the disc and power off main 
unit.

Step 6
Power on the unit and do system 
initialize.

Step 7 Update process finish.

FL Display 1.6: 

FL Display (Main Unit) will 
display "GOOD" as 
"FL Display 1.6" shown.

36

This section illustrates the checking procedures when upon detecting the error of “F61” and/or “F76” after power up of the unit. It is
for purpose of troubleshooting and checking in SMPS P.C.B.. 

Set cannot Power ON:

Condition 1: With
Stanby LED on

1

2

3

1

2

3

Photocoupler PC5702,
PC5799

1

2

PC5702/PC5799 solder crack,
dry joint ,short circuit,open
circuit,etc

Solder crack,dry joint ,short
circuit,open circuit,etc

Switching IC IC5701

AC cord

AC Inlet P5701

1 Faulty AC cord, loose

connection

2

2

Solder crack,dry joint ,short
circuit,open circuit,etc

4

Check FFC connection/
alignment from SMPS (JW2)
to Main (CN2004)

2

P5701 solder crack, dry joint
etc

Faulty IC5701, pin 1 and 2
shorted, VCC short to GND, etc

Faulty IC5799, pin 5 and 7
shorted, VCC short to GND, etc

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
Stanby LED Off or
flickering

3

1

2

3

3 F1 Fuse open

Fuse F1

DC-DC circuit

1 Thermal Diode D5802

SMPS FFC loose

LDO regulator

4 Photocoupler PC5720

1 Transformer T5701

2 Photocoupler PC5720

1a Pin 11/12 shorted to pin 13/14

1b

1a

1b

Pin 16 shorted to pin 17

L2902 Open (no input to
IC2901)
Faulty IC2901 (no output
voltage at pin 10 and 11)

1a

1b

Improper contact between
D5802 to heatsink
OTP (thermal) protection
trigger prematurely

3a Faulty Q2904 Transistor diode

check (cannot switch ON then
NO +9V)

3b LB2774 Open (+9V line going

to Panel PCB CN2002)

1c Faulty Q2902 and Q2903

(regulator)

1d L2908 open (No DC +5V)

1e R2399 open (No DC +9V)

1) Refer to Fig. 1. SMPS P.C.B.

Refer to Fig. 1. SMPS P.C.B.

Refer to Fig. 1. SMPS P.C.B.

Refer to Fig. 1. SMPS P.C.B.

Refer to Schematic Diagram of
SMPS Circuit (Item 17.7) for
terminal pin count on primary and
secondary terminals

SMPS Circuit (Item 17.7)

2) Refer to Schematic Diagram of

1) Refer to Fig. 2. Main P.C.B.

Main Circuit (Item 17.3)

2) Refer to Schematic diagram of

1) Refer to Fig. 2. Main P.C.B.

Main Circuit (Item 17.3)

2) Refer to Schematic diagram of