Panasonic SA-HT40EE Service Manual

7 Self Diagnosis and Special Mode SettingThis unit is equipped with function for checking and inspecting namely: Self-Diagnostic and Test Mode.7.1. Doctor & Service Mode (Special Mode setting)Item FL Display Key OperationMode Name Description Front KeyDoctor Mode To enter into Doctor Modefor checking of variousitems. (For moreinformation, refer tosection 7.1.1.)1. FL will display as below for 3s:2. Initialization of all settings & the tunerfrequency is set as below.1. Press & hold andbutton on main unit follow by thebutton at the same time.To exit, press the button on themain unit or remote control.Service Mode To enter into ServiceMode for checking of uPsoftware Version anddisplaying EEPROMchecksum.1. FL will display as below:2. Next is the micro-processor firmware versionno.3. This is follow by checking of EEPROM:-Notes:1. When NO EEPROM, it will display “NOEEPROM”.2. When there is EEPROM, it will display“SUM****” whereby **** refers to check sumno. (ROM Correction).For Service mode:1. Press & hold andbutton on main unit follow bythe button at the same time.To check uP software Version:1. Press button on main unit.To check EEPROM:1. Press button on main unit.To exit, press the button onmain unit or remote control.7.1.1. Inspection & Checking ItemsAfter entering into doctor mode, the main unit can be used for checking of various items using the remote control.Remote Control Test Mode Function and settingsSelector Sound Mode Other setting Vol/ToneCH 1 TV STEREO Analog -18dB/0dBCH 2 DVR/DVD-P STEREO Analog -18dB/0dBCH 3 REAR MUSICPORTSTEREO Analog -18dB/0dBCH 4 FRONT MUSICPORTSTEREO Analog -18dB/0dBCH 5 TV STEREO Digital (OPT 1) -48dB/0dBCH 6 DVR/DVD-P STEREO Digital (OPT 2) -48dB/0dBCH 7 TV STEREO Digital (COAX) -48dB/0dBCH 8 If the input selector is TUNER, auto tuning function is started to upward on current frequency.CH 9 If the input selector is TUNER, auto tuning function is started to downward on current frequency.CH 0 If the input selector is TUNER in E2 mode, Display Mode (PS/PTY) is changed.TUNER STEREO Frequency: FM maxFM Mode: MONO-48dB/0dBMUTING All indicators of FL are displayed. All LED are off.Note: After this setting, only ‘POWER’ button by the remote control can be entered.Volume Up Check Main uP software Version.Display [K 100R ** ]; **is current version.* Volume is still increased but not displayed.Volume Down Check for EEPROM & Check Sum.Display [SUM ****]; **** is checksum.If no ROM correction, and when EEPROM is not attach, display [NO_EEPROM]* Volume is still reduced but not displayed.SUBW DVR/DVD-P ---------- All CH printed out -18dB/0dBLEVEL No change SURROUND Scan the test noise output channel with500ms intervals.-18dB/0dB-/L TV STEREO Balance is set to leftmost. -18dB/0dB+/R TV STEREO Balance is set to rightmost -18dB/0dB11SA-HT40EE