Sony HT-RT4 Service Manual

HT-RT4/RT40
16
1. “PRTCT” is displayed on OLED display after turning the power on
Note: Please remove USB (removable device) before troubleshooting.
SECTION 4
TROUBLESHOOTING
2. The video of HDMI is not displayed during USB mode
Check MAIN board (RT4) /
EG4 MAIN board (RT40)
IC3200 pin 4 is 5V.
Yes
Check MAIN board (RT4) /
EG4 MAIN board (RT40)
IC3200 pin 1 is 3.3V.
Yes
Replace IC3200 on MAIN
board (RT4) / EG4 MAIN
board (RT40).
Yes
Replace MAIN board (RT4) /
EG4 MAIN board (RT40)
diode (D3200).
Check MAIN board (RT4) /
EG4 MAIN board (RT40)
IC3200 pin 5 is 7.4V ~ 8V.
No
Refer to "Power is not turned
on" on page 18.
NoNo
Replace complete MAIN
board (RT4) / EG4 MAIN
board (RT40).
“PRTCT” is displayed on the
OLED display after turning the
power ON.
Yes
“PRTCT” is displayed after
removing Bar speaker (FRONT L,
FRONT R, CENTER speakers)
and Surround speaker (SUR L,
SUR R speakers) and turning the
power ON.
Yes
Remove CN1001 from
MAIN board (RT4) / EG4
MAIN board (RT40) and
check “PRTCT” is
displayed.
Yes
Replace MAIN board
(RT4) / EG4 MAIN board
(RT40) IC1000 and
IC1002 and check
“PRTCT” is displayed.
Replace complete
MAIN board
(RT4) / EG4 MAIN
board (RT40).
Yes
Check and replace the
loudspeaker in subwoofer.
“PRTCT” is displayed after
plugging Bar speaker (FRONT L,
FRONT R, CENTER speakers)
and turning the power ON.
“PRTCT” is displayed after
plugging Surround speaker
(SUR L, SUR R speakers) and
turning the power ON.
Check and replace the
loudspeaker in Bar
speaker.
Check and replace the
Surround speaker.
No
No
Yes
Yes
No

Sony HT-RT4 Specifications

General

Game mode	Yes
Audio decoders	Dolby Digital, Dolby Dual Mono
RMS rated power	- W
Audio output channels	5.1 channels
Subwoofer type	Active subwoofer
Cables included	Optical
Receiver included	-
Product color	Black
Audio formats supported	DTS, LPCM, PCM
Consumer Electronics Control (CEC)	BRAVIA Sync
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Connectivity technology	Wired & Wireless
Power consumption (standby)	0.4 W
Power consumption (typical)	85 W

Weight and Dimensions

Depth	70 mm
Width	900 mm
Height	52 mm
Soundbar weight	2100 g
Subwoofer depth	315 mm
Subwoofer width	190 mm
Subwoofer height	392 mm
Subwoofer weight	7800 g