No Output Sound - Panasonic SA-VKX95EE Service Manual

7.6.

No Output Sound

DVD/CD Play
Press Power Button
of Unit or Remote Control
to Turn ON the Unit
USB Play
Press Power Button
of Unit or Remote Control
to Turn ON the Unit
Bluetooth Play
Press Power Button
of Unit or Remote Control
to Turn ON the Unit
Tuner Mode
Press Power Button
of Unit or Remote Control
to Turn ON the Unit
HDMI Output
Plug 1 side HDMI terminal of
HDMI cable to VKX95 HDMI
output jack & plug the other
side HDMI terminal of HDMI
cable to HDMI Jack's TV
Note :
1. VKX95 in any mode
2. TV in HDMI mode
AV Output
Plug 1 side HDMI terminal of
HDMI cable to VKX95 HDMI
output jack & plug the other
side HDMI terminal of HDMI
cable to HDMI Jack's TV
Note :
1. VKX95 in any mode
2. TV in AV mode
OK
DVD/CD Mode
FL Display "Track & Count"
Insert USB Thumdrive
OK
USB Mode
OK
Bluetooth Mode
FL Display "BLUETOOTH"
OK
FM/AM Mode
OK OK
searching for video
& audio data
NG
Note :
1. Choose "TV mode" at TV to make
sound come out from TV
PW_+5VDVD
2. Choose "Home Theater Mode" to
10
[refer to check point ]
make sound come out from VKX95
speaker
NG
Change Back-End
PCB
OK OK
searching for video
& audio data
NG
Note :
1. Choose "TV mode" at TV to make
sound come out from TV
PW_+5VDVD
2. Choose "Home Theater Mode" to
10
[refer to check point ]
make sound come out from VKX95
speaker
NG
Change Back-End
PCB
OK
Press Play
NG
Check CD Mechanism /
Traverse Unit
Checking Points:
1) IC3001/IC3101/IC3201 (Digital Amplifier) - +12V, +36V
2) IC3001/IC3101/IC3201 (Digital Amplifer) - Pin5/6 for I/P PWM signal
Pin 27,32,39 for O/P PWM signal
3) IC4001 (DSP) - Pin 41, 42 for OSC signal, pin 4/7/8 for I/P PWM signal,
pin 27-30, 33,34 for O/P PWM signal
4) IC4001 (DSP) - Pin 9 (LRCK/BCK) signal
O K
FL Display "USB"
Press "Play"
NG
Check Main PCB and
Check USB device
USB P.C.B connection
OK
Press Play
NG
Re-connect Bluetooth
Check BT Module on
into the Device
OK
Search for Tuner Signal
NG
Check FM Antenna
Wire Connection
Output Video &
Sound
Output Video &
Sound
31
OK
No Problem
Output Sound
Found
NG
Check
Main PCB
>
>
O K
No Problem
Output Sound
Found
NG
OK
No Problem
Output Sound
Found
NG
Main PCB
OK
No Problem
Output Sound
Found
NG
Check IC52 on
Main PCB
>
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