Sony STR-DB780 Service Manual

63
STR-DA1ES/DB780
Ref. No. Part No. Description Remark
Ref. No. Part No. Description Remark
401 A-4729-146-A MAIN BOARD, COMPLETE (DA1ES: US)
401 A-4729-147-A MAIN BOARD, COMPLETE
(DB780: SP, MY, TW, KR, CH)
401 A-4729-148-A MAIN BOARD, COMPLETE (DB780: AEP, UK)
401 A-4729-550-A MAIN BOARD, COMPLETE (DA1ES: CND)
Q402 6-702-390-01 IC MN2488-OPY-MK
Q403 6-702-391-01 IC MP1620-OPY-MK
Q452 6-702-390-01 IC MN2488-OPY-MK
Q453 6-702-391-01 IC MP1620-OPY-MK
Q502 6-702-390-01 IC MN2488-OPY-MK
Q503 6-702-391-01 IC MP1620-OPY-MK
Q552 6-702-390-01 IC MN2488-OPY-MK
Q553 6-702-391-01 IC MP1620-OPY-MK
Q602 6-702-390-01 IC MN2488-OPY-MK
Q603 6-702-391-01 IC MP1620-OPY-MK
401
Q603
Q602
Q403
Q402
Q453
Q452
Q503
Q502
Q553
Q552
6-9. MAIN BOARD SECTION

Sony STR-DB780 Specifications

General

Type	Stereo Receiver
Total Harmonic Distortion	0.09 %
Digital inputs	2 Optical, 1 Coaxial
Weight	10.5 kg
Video inputs	composite
Video outputs	1 composite, 1 S-Video
Output Power	100 Watts (8 Ohms, 20 Hz - 20 kHz, 0.09% THD)
Signal-to-Noise Ratio	96 dB (Line in)
Input Sensitivity	150 mV (Line in)