Sony HT-RT4 Service Manual

HT-RT4/RT40
17
3. The sound is not outputted
Check that the signal is outputted from
MAIN board (RT4) / EG4 MAIN board
(RT40) IC1000:
pin 27, 28, 32 (CENTER speaker)
pin 35 (FRONT L speaker)
pin 39, 40 (FRONT R speaker)
Check that the signal is inputted to
MAIN board (RT4) / EG4 MAIN board
(RT40) IC1001:
pin 24 (FRONT L, FRONT R speakers)
pin 25 (SUR L, SUR R speakers)
pin 27 (CENTER speaker, Subwoofer)
Check that the signal is outputted from
MAIN board (RT4) / EG4 MAIN board
(RT40) IC1001:
pin 38, 39 (CENTER speaker)
pin 41 (FRONT L speaker)
pin 43 (FRONT R speaker)
pin 45 (SUR R speaker)
pin 47 (SUR L speaker)
pin 48, 49 (Subwoofer)
Yes
Yes
Check that the signal is outputted from
MAIN board (RT4) / EG4 MAIN board
(RT40) IC1002:
pin 27, 28, 32 (Subwoofer)
pin 35 (SUR R speaker)
pin 39, 40 (SUR L speaker)
Yes
Reprogram MAIN board (RT4) / EG4
MAIN board (RT40) IC2000 (serial
flash) and check the signal again.
No
Check the Subwoofer, Bar speaker
(FRONT L, FRONT R, CENTER
speakers) and Surround speaker
(SUR L, SUR R speakers) are
functionable.
Yes
Replace the speaker which is not
functionable.
No
No
Replace MAIN board (RT4) / EG4
MAIN board (RT40) IC1002.
No
No
Replace MAIN board (RT4) / EG4
MAIN board (RT40) IC1001.
No
Replace MAIN board (RT4) / EG4
MAIN board (RT40) IC1000.
Replace complete MAIN board (RT4) /
EG4 MAIN board (RT40).

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