Sony HT-RT4 Service Manual

HT-RT4/RT40
19
5. USB cannot be detected
USB cannot be detected.
Yes
Yes
Check IC3000 pin 1 is 5.1V.
Yes
Check coil (L3000) pin 1 and
pin 3 are shorted to ground.
Yes
Check IC3000 pin 4 is 3.3V.
YesYes
Check IC3000 pin 5 is 5.1V.
Refer to "Power is not turned
on" on page 18.
Replace complete MAIN
board (RT4) / EG4 MAIN
board (RT40).
Replace complete MAIN
board (RT4) / EG4 MAIN
board (RT40).
Replace IC3000 on MAIN
board (RT4) / EG4 MAIN
board (RT40).
No
No
No
No
Check that there is no
abnormality on USB board
connector (CN7000).
Replace connector
(CN7000) on USB board.

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