Sony STR-DB840 Service Manual

3030
STR-DB840/DB940
SP BOARD
CN601
SP BOARD
CN701
BIAS (RS) BOARD
CN751
BIAS (LS) BOARD
CN701
(DB940)
(EXCEPT US, CND)
(DB940)
(DB940)
(DB840)
R349
R399
(DB940)
RY671
4
D671
R671
Q671
R670
R669
CNP803
CNP302
(DB940)
AU SW BOARD
CNP13
AU SW BOARD
CNP11
VIDEO 3 BOARD
CNP307
H. P BOARD
CNP751
DC (2) BOARD
CNP806
DC (2) BOARD
CNP807
DIGITAL BOARD
CNS5
DC (1) BOARD
CNP802
VOL BOARD
CNS111
SP BOARD
CN501
BIAS (C) BOARD
CN601
BIAS (L) BOARD
CN501
BIAS (R) BOARD
CN551
(DB940)
4-20. PRINTED WIRING BOARD – MAIN Board – • See page 14 for Circuit Boards Location.
IC408 H-10
IC409 H-11
IC410 H-9
IC414 D-10
IC415 D-11
IC416 C-7
IC501 C-9
IC601 C-11
IC651 E-11
IC701 C-6
Q301 A-1
Q501 F-10
Q503 F-10
Q506 A-11
Q507 A-10
Q508 B-10
Q509 G-11
Q510 G-11
Q511 G-10
Q546 D-7
Q547 G-9
Q548 H-8
Q549 H-8
Q556 A-7
Q557 A-7
Q558 B-6
Q559 G-9
Q560 G-10
Q561 G-9
Q596 D-7
Q598 B-10
Q599 B-6
Q601 E-5
Q606 A-9
Q607 A-8
Q608 B-8
Q609 G-9
Q610 G-9
Q611 G-9
Q613 H-7
Q645 C-3
Q671 D-5
Q681 F-5
Q698 B-8
Q706 A-6
Q707 A-5
Q708 B-5
Q709 G-10
Q710 G-10
Q745 C-3
Q756 A-4
Q757 A-3
Q758 B-2
Q798 B-4
Q799 B-3
Ref. No. LocationRef. No. Location
D301 A-1
D501 B-11
D502 B-11
D503 B-11
D504 B-11
D505 G-10
D506 G-11
D545 D-7
D546 D-7
D547 H-8
D548 H-9
D549 H-9
D551 B-8
D552 B-8
D553 B-7
D554 B-7
D555 G-9
D556 G-9
D598 B-10
D599 B-6
D601 B-9
D602 B-9
D603 B-9
D604 B-9
D605 G-8
D606 G-9
D607 G-9
D608 E-5
D649 C-4
D671 D-5
D681 E-5
D698 B-8
D701 B-6
D702 B-6
D703 B-5
D704 B-5
D705 G-10
D706 G-10
D749 C-4
D751 B-4
D752 B-4
D753 B-3
D754 B-3
D798 B-4
D799 B-2
IC301 H-3
IC302 I-2
IC303 E-3
IC304 F-2
IC309 C-2
IC330 G-3
IC401 I-6
IC402 I-8
IC404 I-5
IC405 I-7
• Semiconductor Location
(Page 40)
(Page 40)(Page 36)
(Page 36)
(Page 36)
(Page 36)
(Page 36)
(Page 40)
(Page 34)
(Page 38)
(Page 19)
(Page 38)
(Page 38)(Page 34)(Page 34)(Page 24)
(Page 24)

Sony STR-DB840 Specifications

General

Digital inputs	2 Optical, 1 Coaxial
Power output	100 watts per channel into 8Ω (stereo)
Frequency response	10Hz to 100kHz
Total harmonic distortion	0.09%
Input sensitivity	2.5mV (MM), 200mV (line)
Speaker load impedance	8 ohms
Dimensions	430 x 157mm
Tuning range	FM, MW
Video Connections	composite