Panasonic DMP-BBT01EB, DMP-BBT01EG Service Manual
ORDER NO. DSD1205012CE
Blu-ray Disc Player
Model No. DMP-BBT01EB
DMP-BBT01EG
Colour
(K)...........Black Type
© Panasonic Corporation 2012 Unauthorized copying and distribution is a violation of law.
TABLE OF CONTENTS
PAG E PAG E
1 Safety Precautions -----------------------------------------------3
1.1. General Guidelines ----------------------------------------3
1.2. Leakage Current Cold Check ---------------------------3
1.3. Leakage Current Hot Check (See Figure 1.) --------3
2Warning--------------------------------------------------------------4
2.1. Prevention of Electrostatic Discharge (ESD)
to Electrostatically Sensitive (ES) Devices ----------4
2.2. Caution for AC Cord (For EB)---------------------------5
2.3. Precaution of Laser Diode -------------------------------6
2.4. Service Caution Based On Legal Restrictions ------ 7
2.5. Static Electricity Protection Measures ----------------8
2.6. Ground for electrostatic breakdown
prevention----------------------------------------------------8
3 Service Navigation------------------------------------------------9
3.1. Service Infomation -----------------------------------------9
3.2. Caution for DivX ------------------------------------------ 10
4 Specifications ---------------------------------------------------- 11
4.1. Others (Licenses) ---------------------------------------- 12
5 Location of Controls and Components------------------ 14
6 Operating Instructions ---------------------------------------- 17
6.1. Taking out the Disc from Drive Unit when the
Disc cannot be ejected by [Eject] switch ----------- 17
7 Multiple Pressing Function ---------------------------------- 18
7.1. About the Multiple Pressing of the Unit’s
Remote Control------------------------------------------- 18
7.2. How to enter the Special Modes using the
Multiple Pressing Function of the Unit’s
Remote Control------------------------------------------- 18
8 Service Mode ----------------------------------------------------- 24
8.1. About the Service Mode -------------------------------- 24
8.2. Service Mode List ---------------------------------------- 25
8.3. Self-Diagnostics Functions ---------------------------- 29
9 Service Fixture & Tools --------------------------------------- 32
10 Disassembly and Assembly Instructions --------------- 33
10.1. Unit----------------------------------------------------------- 33
10.2. Drive Unit--------------------------------------------------- 38
11 Measurements and Adjustments -------------------------- 41
11.1. Service Positions ----------------------------------------- 41
11.2. Adjustment of Drive Unit/BD Digital P.C.B. -------- 42
11.3. Caution for Replacing Parts --------------------------- 45
12 Block Diagram --------------------------------------------------- 46
12.1. Overall Block Diagram ---------------------------------- 46
12.2. Input Digi-Net P.C.B. Regulator Circuit Block
Diagram----------------------------------------------------- 47
12.3. BD Digital P.C.B. Regulator Circuit Block
Diagram----------------------------------------------------- 48
12.4. Digital Video/Audio Circuit Block Diagram --------- 49
12.5. Digital (Front End Section) Circuit Block
Diagram----------------------------------------------------- 50
12.6. Digital (Back End Section [1]) Circuit Block
Diagram----------------------------------------------------- 51
12.7. Digital (Back End Section [2]) Circuit Block
Diagram----------------------------------------------------- 52
13 Wiring Connection Diagram --------------------------------- 53
13.1. Interconnection Diagram ------------------------------- 53
2
1 Safety Precautions
1.1. General Guidelines
1. IMPORTANT SAFETY NOTICE
There are special components used in this equipment
which are important for safety. These parts are marked by
in the Schematic Diagrams, Circuit Board Layout,
Exploded Views and Replacement Parts List. It is essential that these critical parts should be replaced with manufacturer’s specified parts to prevent X-RADIATION,
shock, fire, or other hazards. Do not modify the original
design without permission of manufacturer.
2. An Isolation Transformer should always be used during
the servicing of AC Adaptor whose chassis is not isolated
from the AC power line. Use a transformer of adequate
power rating as this protects the technician from accidents resulting in personal injury from electrical shocks. It
will also protect AC Adaptor from being damaged by accidental shorting that may occur during servicing.
3. When servicing, observe the original lead dress. If a short
circuit is found, replace all parts which have been overheated or damaged by the short circuit.
4. After servicing, see to it that all the protective devices
such as insulation barriers, insulation papers shields are
properly installed.
5. After servicing, make the following leakage current
checks to prevent the customer from being exposed to
shock hazards.
1.3. Leakage Current Hot Check (See Figure 1.)
1. Plug the AC cord directly into the AC outlet. Do not use
an isolation transformer for this check.
2. Connect a 1.5 kΩ, 10 W resistor, in parallel with a 0.15 μF
capacitor, between each exposed metallic part on the set
and a good earth ground, as shown in Figure 1.
3. Use an AC voltmeter, with 1 kΩ/V or more sensitivity, to
measure the potential across the resistor.
4. Check each exposed metallic part, and measure the voltage at each point.
5. Reverse the AC plug in the AC outlet and repeat each of
the above measurements.
6. The potential at any point should not exceed 0.75 V RMS.
A leakage current tester (Simpson Model 229 or equivalent) may be used to make the hot checks, leakage current must not exceed 1/2 mA. In case a measurement is
outside of the limits specified, there is a possibility of a
shock hazard, and the equipment should be repaired and
rechecked before it is returned to the customer.
1.2. Leakage Current Cold Check
1. Unplug the AC cord and connect a jumper between the
two prongs on the plug.
2. Measure the resistance value, with an ohmmeter,
between the jumpered AC plug and each exposed metallic cabinet part on the equipment such as screwheads,
connectors, control shafts, etc. When the exposed metallic part has a return path to the chassis, the reading
should be between 1 MΩ and 5.2 MΩ. When the exposed
metal does not have a return path to the chassis, the
reading must be infinity.
Figure. 1
3
2Warning
2.1. Prevention of Electrostatic Discharge (ESD) to Electrostatically Sensitive (ES) Devices
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices.
The following techniques should be used to help reduce the incidence of component damage caused by electrostatic discharge
(ESD).
1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your
body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap,
which should be removed for potential shock reasons prior to applying power to the unit under test.
2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.
3. Use only a grounded-tip soldering iron to solder or unsolder ES devices.
4. Use only an antistatic solder removal device. Some solder removal devices not classified as "antistatic (ESD protected)" can
generate electrical charge sufficient to damage ES devices.
5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices.
6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most
replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material).
7. Immediately before removing the protective material from the leads of a replacement ES device, touch the protective material
to the chassis or circuit assembly into which the device will be installed.
CAUTION :
Be sure no power is applied to the chassis or circuit, and observe all other safety precautions.
8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the
brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to damage an ES device).
4
2.2. Caution for AC Cord (For EB)
2.2.1. Information for Your Safety
IMPORTANT
Your attention is drawn to the fact that recording of prerecorded tapes or discs or other published or broadcast
material may infringe copyright laws.
WARNING
To reduce the risk of fire or shock hazard, do not expose
this equipment to rain or moisture.
CAUTION
To reduce the risk of fire or shock hazard and annoying
interference, use the recommended accessories only.
FOR YOUR SAFETY
DO NOT REMOVE THE OUTER COVER
To prevent electric shock, do not remove the cover. No user
serviceable parts inside. Refer servicing to qualified service
personnel.
2.2.2. Caution for AC Mains Lead
For your safety, please read the following text carefully.
This appliance is supplied with a moulded three-pin mains plug
for your safety and convenience.
A 5-ampere fuse is fitted in this plug.
Should the fuse need to be replaced please ensure that the
replacement fuse has a rating of 5 amperes and it is approved
by ASTA or BSI to BS1362
Check for the ASTA mark or the BSI mark on the body of the
fuse.
2.2.2.1. Important
The wires in this mains lead are coloured in accordance with
the following code:
Blue Neutral
Brown Live
As the colours of the wires in the mains lead of this appliance
may not correspond with the coloured markings identifying the
terminals in your plug, proceed as follows:
The wire which is coloured BLUE must be connected to the terminal in the plug which is marked with the letter N or coloured
BLACK.
The wire which is coloured BROWN must be connected to the
terminal in the plug which is marked with the letter L or coloured
RED.
Under no circumstances should either of these wires be connected to the earth terminal of the three pin plug, marked with
the letter E or the Earth Symbol.
2.2.2.2. Before Use
Remove the Connector Cover as follows.
If the plug contains a removable fuse cover you must ensure
that it is refitted when the fuse is replaced.
If you lose the fuse cover, the plug must not be used until a
replacement cover is obtained.
A replacement fuse cover can be purchased from your local
Panasonic Dealer.
If the fitted moulded plug is unsuitable for the socket outlet in
your home then the fuse should be removed and the plug cut
off and disposed of safety.
There is a danger of severe electrical shock if the cut off plug is
inserted into any 13-ampere socket.
If a new plug is to be fitted please observe the wiring code as
shown below.
If in any doubt, please consult a qualified electrician.
2.2.2.3. How to Replace the Fuse
1. Remove the Fuse Cover with a screwdriver.
2. Replace the fuse and attach the Fuse cover.
5
2.3. Precaution of Laser Diode
6
2.4. Service Caution Based On Legal Restrictions
This service manual contains technical information, which allow service personnel’s to understand and service this model.
Please place orders using the parts list and not the drawing reference numbers.
If the circuit is changed or modified, the information will be followed by service manual to be controlled with original service manual.
2.4.1. General Description About Lead Free Solder (PbF)
The lead free solder has been used in the mounting process of all electrical components on the printed circuit boards used for this
equipment in considering the globally environmental conservation.
The normal solder is the alloy of tin (Sn) and lead (Pb). On the other hand, the lead free solder is the alloy mainly consists of tin
(Sn), silver (Ag) and Copper (Cu), and the melting point of the lead free solder is higher approx.30°C (86°F) more than that of the
normal solder.
Distinction of P.C.B. Lead Free Solder being used
Service caution for repair work using Lead Free Solder (PbF)
• The lead free solder has to be used when repairing the equipment for which the lead free solder is used.
(Definition: The letter of “PbF” is printed on the P.C.B. using the lead free solder.)
• To put lead free solder, it should be well molten and mixed with the original lead free solder.
• Remove the remaining lead free solder on the P.C.B. cleanly for soldering of the new IC.
• Since the melting point of the lead free solder is higher than that of the normal lead solder, it takes the longer time to melt the
lead free solder.
• Use the soldering iron (more than 70W) equipped with the temperature control after setting the temperature at 350±30°C
(662±86°F).
Recommended Lead Free Solder (Service Parts Route.)
• The following 3 types of lead free solder are available through the service parts route.
RFKZ03D01KS-----------(0.3mm 100g Reel)
RFKZ06D01KS-----------(0.6mm 100g Reel)
RFKZ10D01KS-----------(1.0mm 100g Reel)
Note
* Ingredient: tin (Sn) 96.5%, silver (Ag) 3.0%, Copper (Cu) 0.5%, Cobalt (Co) / Germanium (Ge) 0.1 to 0.3%
7
2.5. Static Electricity Protection Measures
• The laser diode in the traverse unit (optical pick-up) may break down due to potential difference caused by static electricity of
clothes or human body.
So, be careful of electrostatic breakdown during repair of the traverse unit (optical pick-up).
2.6. Ground for electrostatic breakdown prevention
• As for parts that use optical pick-up (laser diode), the optical pick-up is destroyed by the static electricity of the working environment.
Repair in the working environment that is grounded.
2.6.1. Work table grounding
• Put a conductive material (sheet) or steel sheet on the area where the traverse unit (optical pick-up) is placed, and ground the
sheet.
2.6.2. Human body grounding
• Use the anti-static wrist strap to discharge the static electricity from your body.
2.6.3. When exchange the BDP Drive
• Before remove the ESD prevention bag, make sure to use the anti-static wrist strap to discharge the static electricity when
replace the BDP Drive.
Note:
The ESD prevention bag is used to replace the original short-circuit point.
It can be removed while placing the BDP Drive.
8
3 Service Navigation
3.1. Service Infomation
This service manual contains technical information which will allow service personnel’s to understand and service this model.
Please place orders using the parts list and not the drawing reference numbers.
If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service
manual.
1. This service manual does not contain the following information, because of the impossibility of servicing at component level.
• Schematic Diagram, Block Diagram and P.C.B. layout of BD Digital P.C.B..
• Parts List for individual parts of BD Digital P.C.B..
• Exploded View and Parts List for individual parts of Drive Unit.
2. The following category are recycle module part. Please send them to Central Repair Center.
• BD Digital P.C.B. (DMP-BBT01EB: RFKB76275DBT)
• BD Digital P.C.B. (DMP-BBT01EG: RFKB76275CGT)
• Drive Unit: VXY2162
9
3.2. Caution for DivX
“Warning for Customers Who Use DivX Video-on-Demand content” when replacing the FLASH ROM or EEPROM or P.C.B.
First, copy the Last part of this page for the customers who continue to use DivX Video-on-Demand service.
Appendix:
*Parts that memorize user’s information are only FLASH ROM.
*The registration of Registration Code is possible for half a year up to 6 recorders up to 10 recorders a year.
Registration Code is memorized in FLASH ROM (BD Digital P.C.B.).
If exchange above P.C.B. or FLASH ROM, new registration Code differ from previous Registration Code will be generated.
In this case if your customer uses DivX Video-on-Demand service, he/she will no longer be able to play any content that he/she purchased under that same registration code.
Therefore your customer will need to obtain and register the new registration code.
*Copy this page and cut on the dotted line and give the lower half to your customer.
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Warning for Customers Who Use the DivX Video-on-Demand content.
1. The registration code has been changed for the repair of the product or the product exchange.
2. Obtain and register a new registration code, otherwise you will no longer be able to play DivX Video-on-Demand content.
3. Follow the procedure on the DivX Video-on-Demand web site to register at http://vod.divx.com/
*If you do not use the DivX Video-on-Demand content, please ignore this warning.
.
10
4 Specifications
Power supply: DC 12V (DC IN terminal)
Power consumption: Approx. 8.9 W
In standby mode: Approx. 0.5 W
In quick start standby mode: Approx. 4 W
Operating temperature range: +5°C to +35°C
Operating humidity range: 10 % to 80 % RH (no condensation)
Signal system: PAL /NTS C
Digital audio output:
Optical digital output: Optical terminal
HDMI AV output:
Output connector: TypeA (19 pin): 1 system
480p (525p) / 576p (625p) /
1080i (1125i) / 720p (750p) /
1080p (1125p)
HDMI (V.1.4a with 3D, Content
Type) This unit supports “HDAVI
Control5” function.
SD card slot:
Connector: 1 system
USB slot:
USB2.0: 1 system
Ethernet:
10BASE-T/100BASE-TX: 1 system
Wireless LAN:
Antenna: Tx 1, Rx 1+diversity
Standard Compliance: IEEE802.11n / IEEE802.11g /
IEEE802.11b
Transmission system: OFDM system, DSSS system
Frequency Range: 2.4GHz band
Transfer rate (standard): IEEE802.11n: Max 150Mbps
* Transfer rates are
theoretial values; however,
actual communication rate
will vary according to
communication
environment or connected
equipment.
Access Mode: Infrastructure mode
Security: WPA™/WPA2™
Optical pick-up: System with 2 lenses
Wave length: 790 nm (CDs)/660 nm (DVDs)/
LASER Specification
Class 1 LASER Product:
Wave length: 790 nm (CDs)/660 nm (DVDs)/
Laser power: No hazardous radiation is emitted
Region management
information:
DVD-Video: region number “2” or “ALL”
BD-Video: region code “B”
Media:
Playable disc:
BD-Video
(Blu-Ray 3D, BD-LIVE):
BD-RE: Version3 (Single Layer / Dual
BD-R: Version2 (Single Layer / Dual
DVD-R/DVD-R DL:
IEEE802.11g: Max 54Mbps
IEEE802.11b: Max 11Mbps
(Encryption type: TKIP/AES,
Authentication type: PSK)
WEP(64bit/128bit)
405 nm (BDs)
405 nm (BDs)
with the safety protection
BD-ROM Version 2.4
Layer), JPEG, MPO
Layer), DivX
DVD-Video format*
®
, MKV
1
,
DVD Video Recording format*
1
AVCHD format*
, DivX®, JPEG,
MPO, FLAC, MP3, MKV, WAV
1
,
DVD-RW:
+R/+RW/+R DL:
DVD-Video format*
DVD Video Recording format*
AVCHD format*
1
, AVCHD format*
Video*
1
,
1
1
,
1
DVD-Video: DVD-Video format
CD-Audio: CD-DA
CD-R/CD-RW: CD-DA, JPEG, MPO, FLAC, MP3,
®
, MKV, WAV
DivX
*1 Finalizing is necessary.
USB device:
USB Standard: USB 2.0 High Speed
®
MP4,MPEG, DivX
, MKV, JPEG,
MPO, FLAC, MP3, WAV
Format: FAT12, FAT16, FAT32, NTFS
SD card:
SD Memory Card*
Format:
2
JPEG, MPO, AVCHD, AVCHD 3D,
MPEG-2
FAT12, FAT16, FAT32
*3
, exFAT
*4
*2 support SDHC, SDXC card
support miniSD
support microSD
(need a microSD
TM
Cards (need a miniSDTM Adaptor.)
TM
/microSDHC/microSDXC Cards
TM
Adaptor.)
*3 Not support long file name
*4 SDXC only
Contents:
JPEG:
(CD-R/CD-RW, DVD-R/DVD-R DL, BD-RE, USB device, SD card)
File format: JPEG
(Motion JPEG and Progressive
JPEG are not supported.)
Pixcels: 34 x 34 to 8192 x 8192
Sub sampling: 4:2:2, 4:2:0
MP3:
(CD-R/CD-RW, DVD-R/DVD-R DL, USB device)
File format: MP3
Compression rate: 32kbps to
320kbps
Sampling rate: 44.1kHz, 48kHz
®
DivX
(CD-R/CD-RW, DVD-R/DVD-R DL, BD-R, USB device)
File format: DivX, DivX HD
(DivX Plus HD is not supported.)
MKV:
(CD-R/CD-RW, DVD-R/DVD-R DL, BD-R, USB device)
File format: MKV
FLAC:
(CD-R/CD-RW, DVD-R/DVD-R DL, USB device)
File format: FLAC
Maximum sampling rate: 192 kHz/24 bit
WAV:
(CD-R/CD-RW, DVD-R/DVD-R DL, USB device)
File format: WAV
Maximum sampling rate: 48 kHz/16 bit
AVCHD (H.264):
(DVD-R/DVD-R DL, DVD-RW, +R/+RW/+R DL, SD card)
File format: AVCHD format V2.0
Dimensions: 179mm(W) x 27mm(H) x 180mm(D)
(including the projecting parts, Horizontal instlation with no pedestal.)
235mm(W) x 95mm(H) x 250mm(D)
(including the projecting parts, Horizontal diagonal instlation with pedestal.)
Mass: Approx. 0.9 kg
Approx. 1.0 kg (induding pedestal)
Solder: This model uses lead free solder
(PbF).
11
AC Adaptor Power Source: 100V to 240V,
50/60Hz
Power consumption: 42 W
DC output: DC 12 V, 2500 mA
Note: Specifications are subject to change
without notice.
4.1. Others (Licenses)
12
13
5 Location of Controls and Components
1 Turn the unit on and off
2 Show the Home screen of the VIERA
Connect
3 Show HOME menu
4 Touchpad
Used for various operation
Move the highlight, confirm the selection, etc.
5 Show Option menu
6 Coloured buttons (red, green, yellow, blue)
Used for various purposes depending on the
display
7 Show NETFLIX screen
8 Start up a video communication
9 Show KEYS screen on the screen
10 Return to previous screen
1
Touch to switch the unit from on to standby
mode or vice versa. In standby mode, the unit
is still consuming a small amount of power.
2Discslot
3 Eject the disc*
4 Remote control signal sensor
One of the two sensors will operate
depending on the installation method of the
main unit.
Distance: Within approx. 7 m
Angle (Against front of the sensor):
Approx. 20G up and down, 30G left and right
5 SD card slot
6 USB port
7 Status LED (blue/red)
This will light up in blue when the unit is
turned on.
Blue and red will light up simultaneously
when an error occurs.
This will flash in blue when this unit
receives incoming call etc. of the video
communication.
8 Standby/on LED (red/green)
When the unit is connected to the AC mains
supply, this indicator lights red in standby
mode and lights green when the unit is turned
on. It is also possible to set to turn off when
the unit is in standby mode.
9 CALL LED (blue)
The LED will light up when this unit receives
incoming call etc. of the video
communication.
10 ACCESS LED (amber)
This will flash while accessing the SD card or
USB device.
11 INFO LED (red)
This will light up at the time of error, etc.
* These switches work just by touching the marks. Be
careful not to touch them unintentionally.
The volume of operation sound can be adjusted by “Unit
Operation Volume”.
Standby/on switch* (
/I)
Ɣ
Ɣ
Ɣ
1
INTERNET
2
3
4
HOME
KEYS
5
6
OPTION
RETURN
Indicator LEDs
7891011
7
8
9
10
1
2
3
4
56
14
Pull to flip down
the panel.
151617
6 Operating Instructions
6.1. Taking out the Disc from Drive Unit when the Disc cannot be ejected by [Eject] switch
6.1.1. Forcible Disc Eject
6.1.1.1. When the power can be turned off.
6.1.1.2. When the power can not be turned off.
Press [Standby/on] switch on the unit for over 4 seconds to turn off the power forcibly, and step 1 to 3 above.
6.1.1.3. When above methods are not effective.
7 Multiple Pressing Function
7.1. About the Multiple Pressing of the Unit’s Remote Control
The remote control which included this unit is possible pressing multiple buttons simultaneously (Multiple Pressing function), and
can operate for the customer’s initial settings and the Service Mode, etc.
The Multiple Pressing function is not available for conventional models’ remote control. Use the remote control included this unit.
7.2. How to enter the Special Modes using the Multiple Pressing Function of the Unit’s Remote Control
For pressing the multiple buttons of the remote control, this unit can be entering each of the following special modes.
After entering each mode, and then go to the menu you want to run.
18
7.2.1. Open Mode (Remote Cont. Buttons: [KEYS] [Yellow] [Blue])
When pressing the 3 buttons, [KEYS], [Yellow] and [Blue] simultaneously for 5 seconds,
INFO LED becomes flashing Red (Normal speed) and Status LED becomes flashing same timing.
19
20
7.2.2. Privately Mode 1 (Remote Cont. Buttons: [HOME] [RETURN] [Yellow])
When pressing the 3 buttons, [HOME], [RETURN] and [Yellow] simultaneously for 5 seconds,repeatedly.
21
7.2.3. Privately Mode 2 (Remote Cont. Buttons: [HOME] [KEYS] [Red])
When pressing the 3 buttons, [HOME], [KEYS] and [Red] simultaneously for 5 seconds,
INFO LED becomes flashing Red (fast speed) and Status LED becomes flashing same timing.
22
23
8 Service Mode
8.1. About the Service Mode
Informations necessary for service can be displayed. Connect the display via the HDMI cable before into the service mode.
8.1.1. How to enter the Service Mode
8.1.2. How to operate the Service Mode
Select the Ten Key pad screen by pressing on [KEYS] several time.
While the Ten Key pad screen is displayed, select numeric key and tap for service mode.
8.1.3. How to exit the Service Mode
Press and hold the [Standby/on] switch (remote control or unit).
>>> The Service Mode is terminated and automatically turns the unit off.
24
8.2. Service Mode List
The display of information to each command is as follows.
Note:
Do not use it excluding the designated command.
25
262728
8.3. Self-Diagnostics Functions
8.3.1. Self-Diagnostics Functions
Self-Diagnosis Function provides information for errors to service personnel by Self-Diagnosis Display when any error has
occurred.
U**, H** and F** are stored in memory and held.
You can check last error code by transmitting [0] [1] in Service Mode.
Automatic Display on Indicator LEDs will be cancelled when the power is turned off or AC input is turned off during self-diagnosis
display is ON.
29
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