LG 60PM970S-ZA (CHASSIS:PD22A) Service Manual ▷ View online
SPDIF OUT
CVBS
USB0
Audio
AMP
I2S Out
MTK5369
USB2
USB1
USB1
CVBS/COMP
RS-232C
PC-RGB
OPTIC
LAN
SYSTEM
DDR3x16_2Gb X 4
(8Gb)
LVDS
HDMI1
HDMI2
HDMI3
HDMI4
HDMI4
COMP
RGB,H/V
With EEPROM
Ethernet
Parallel TS
DIF
CVBS
UART
HDMI
With
EEPROM
RF Emitter
Module(Bluetooth)
I2C
Sub
Micom
(Renesas
)
HD : 51P
FHD : 80P
USB2
USB1
NVRAM
(1Mb)
X-TAL
(27MHz)
HDCP2.0
Wi-Fi
CVBS
T2/C/S2 F/NIM
Silicon Tuner
T2/C/S2 F/NIM
Silicon Tuner
X-TAL
(32.768kHz)
eMMC
(2GB)
RGB_LR
SCART
SCART
PC-AUDIO
DIF
Parallel TS
9. All Source Audio Trouble Shooting
CVBS/COMP LR
CVBS/COMP LR
Make sure you can’t hear any audio
Y
Check Connector P800
N
Y
Y
Check Speaker
Replace Connector
Check Signal
L801, L802, L803, L804
N
Replace one of
Capacitor, Register
& Recheck
Y
Check IC800 Power
17V, 3.3V
N
Replace It & Recheck
Y
Check BCM2112 I2S Output
AR800
N
Replace It & Recheck
Y
Maybe MTK5369 (IC100)
has problems
Replace Speaker
N
N
Maybe STA368 has problems.
Replace It
9. All Source Audio Trouble Shooting
SPDIF OUT
CVBS
USB0
Audio
AMP
I2S Out
MTK5369
USB2
USB1
USB1
CVBS/COMP
RS-232C
PC-RGB
OPTIC
LAN
SYSTEM
DDR3x16_2Gb X 4
(8Gb)
LVDS
HDMI1
HDMI2
HDMI3
HDMI4
HDMI4
COMP
RGB,H/V
With EEPROM
Ethernet
Parallel TS
DIF
CVBS
UART
HDMI
With
EEPROM
RF Emitter
Module(Bluetooth)
I2C
Sub
Micom
(Renesas
)
HD : 51P
FHD : 80P
USB2
USB1
NVRAM
(1Mb)
X-TAL
(27MHz)
HDCP2.0
Wi-Fi
CVBS
T2/C/S2 F/NIM
Silicon Tuner
T2/C/S2 F/NIM
Silicon Tuner
X-TAL
(32.768kHz)
eMMC
(2GB)
RGB_LR
SCART
SCART
PC-AUDIO
DIF
Parallel TS
CVBS/COMP LR
CVBS/COMP LR
10. Digital TV Audio Trouble Shooting
Check video output
Y
Follow procedure All source audio
trouble shooting
Maybe MTK5369(IC100) internal
audio DSP has problems. Replace It
N
Follow procedure digital TV video
trouble shooting
N
10. Digital TV Audio Trouble Shooting
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