Panasonic SB-HTB550GK, Руководство по обслуживанию

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9 Troubleshooting Guide
䞉 How to reset 䚷䠄 Factory setup condition 䠅
䠍䠊 Turn on the power of main set.
䠎䠊 Press and hold the power button for 5 seconds.
(Repeat the flashing of all LED twice)
3 䠊 Turn off the power.
䞉 The entering method of Doctor Mode 䚷 (after turn off the power, you can exit from Dortor Mode)
䠍䠊 Setting main set in power on status.
䠎䠊 Press the main set [Volume-] button, then continue press the [Volume -] & [] of remote control.
(All LED will blink three times, television LED will lights up)
Main set power ON
Power do not turn on Power on by remote control
࣭
OK Checking the FFC & connectors connection Check [Panel]-[Main] CN6001(11P) & [DAmp]-[Main] CN5200(40P) & [SMPS]-[Main] CN1(9P).
(The input display LED not lit
㸧
Checking the switch operation
The both end voltage of [Panel] power switch S6001 is press ĺ
㸮
V, release ĺ 3.3V
Checking the LED display
Power on by remote control
࣭
NG Checking the FFC & connectors connection Check [Panel] CN6001(2) ĺ 3.3V, CN6001(11) ĺ 5V.
Checking the backup power circuit Check [SMPS] CN1(5
ĺ
5.6V
ࠊ
[Main] IC2301 (14,97)
ĺ
3.3V
Checking the AC inlet connections Check [SMPS]-[AC Inlet] wire & patterns
ࠊ
solder.
Checking the fuse cut Check the continuity of [SMPS] F1.
Power input but turn off immediately
Error contents
ࠉ
F76 Television LED flashing, power off Check the IC overcurrent
࣭
overheating
࣭
failure of [DAmp]
ࠉ
ĺ
ࠉ
[DAmp] exchange.
Error contents
ࠉ
F61 Television & external 1 LED flashing, power off Check the power (FAN,DAMP,+12V,+5.6,+3.3,+1.8V)
Power input but LED error display
Error contents
ࠉ
F70 DSP Television & external 1, dolby LED flashing [Main], DSP & communication error of the microcomputer
ࠉ
ĺ
ࠉ
[Main] board exchange.
Error contents
ࠉ
F70 DAP Television & external 1, dolby, DTS LED flashing [DAmp], IC of DAmp & communication error of the microcomputer
ࠉ
ĺ
ࠉ
[DAmp] board exchange.
Error contents
ࠉ
F70 HDMI Television & external 1, dolby, DTS , AAC LED flashing [Main], IC of HDMI & communication error of the microcomputer
ࠉ
ĺ
ࠉ
[Main] board exchange.
Error contents
ࠉ
U701/703/704 External 1 LED only repeat flashing Try once to "On / Off" the power of the connected device. Try to connect or disconnect the HDMI cable.
Fuse cut
After replacement, cut again at outlet
connection
The primary side of main power supply
abnormal
Check the continuity of primary side power circuit
[SMPS] Short-open power transformer, electrolytic diode IC.
(D5701,C5712,IC5701,T5701)
After replacement, cut again at power on
The secondary side of main power supply
abnormal
Check the continuity of secondary side power circuit
Short-open power-electrolytic IC diode [switching power module]
(D5802,C5805,IC5801)
LED display
checking Check the display by Doctor Mode Some not lighting
࣭
not light off Failure of drive IC
࣭
Failure of not lights up LED Check [Panel] IC6001(5,6,7,8,9,10) LED
㸸
ON
ĺ
0V, OFF
ĺ
5V
All not lighting
Checking the drive IC, serial signal, FFC
Check [Panel] IC6001(18)
ĺ
3.3V
ࠊ
D6001 (Anode)
ĺ
5V
Check [Panel] IC6001 (2,3,4) serial signal
Video confirmation
No audio output when video on
Even change the HDMI cable also the same Checking the HDMI IC, failure of EEPROM
Not recognize the HDMI equipment
The video colour strange Even change the HDMI cable also the same There is an obstacle between the Tx & Rx in the IC of HDMI
Change in HDMI cable exchange
࣭
contact There is an obstacle in HDMI cable
࣭
connector
Check solder connections of [Main] input and output terminals (JK2701 etc)
Check the connections of [Main] input and output terminals (JK2701 etc)
Audio confirmation No audio output (OPT input 2 systems)
ࠉ
HDMI input (2 systems) voice appear Check the OPT terminal
࣭
OPT cable Check [DAmp] JK5251(1) ĺ 3.3V
ࠊ
output (3) SPDIF waveform.
No audio output (HDMI input 2 systems) OPT (2 systems) voice not appear The failure of Input
࣭
DSP systems, DAMP systems Check [Main]-[DAmp] CN5200, 40P FFC & connector
No audio output (HDMI/ARC support)
OPT (2 systems) voice appear Check the ARC circuit failure
࣭
HDMI cable [Main] IC2502(5) ĺ 3.3V
ࠊ
IC2401(6,21,23) ĺ 3.3V
No sound from front speaker (SB-HTB550) Subwoofer voice normal Check the connection to front speaker The obstacle of front
channel IC of DAMP
Check the [Main]-[Digital Amplifier] 40P FFC ࣭
connection of connector
The failure of DAmp (IC3002)
Subwoofer (SB-HWA520) sound skip Front speaker voice normal
Subwoofer & other equipment need to put away more than 2 miter
Failure of (transmitter / receiver) radio board
Sub Woofer Subwoofer (SB-HWA520) no sound Front speaker voice normal Check the main unit & subwoofer wireless connection
Check the radio wave interference of other wireless equipment
(5.2GHz band)
SB-HWA520
Wireless link light checking
(SB-HWA520 upper left front)
Green lights up Check the subwoofer D amplifier circuit The failure of DAmp (IC3002)
Red lights up
Check the broken links of wireless connection
"On / Off" power of the amplifier unit / subwoofer, connect or disconnect of the subwoofer power cord,
Check the pairing status
Execution of the pairing (refer to O/I Book)
Failure of (transmitter / receiver) radio board
>0DLQ@,&HWFĺ9,&HWFĺ9
>0DLQ@,&HWFĺ9,&HWFĺ9
>0DLQ@,&ĺ9
Check [Main] Input resistance (R2723~R2730 etc)
Check [Main] JK2701,LB2703,IC2703,Q2701,R2723 etc
Check the connection of [Main] input and output terminals (JK2701 etc)
Check the [Mian] Resistor array (RX2601 䞉䞉䞉 ,RX2611 etc)
Check the pins are connected to [Main ] IC2501 and IC2601
Check solder connections of [Main] input and output terminals (JK2701 etc)