Sony STR-K740P / STR-K840P Service Manual ▷ View online
STR-K740P/K840P
7
7
5. SCHEMATIC DIAGRAM — STK SECTION —
• Refer to page 2 for Common Note on Schematic Diagram.
K
680 (K740P)
560 (K840P)
560 (K840P)
680 (K740P)
560 (K840P)
560 (K840P)
680 (K740P)
560 (K840P)
560 (K840P)
680 (K740P)
560 (K840P)
560 (K840P)
C371
C372
C375
C376
C605
C607
C651
C655
C657
C701
C705
C707
C730
C731
C751
C755
C757
C780
C781
Q361
Q362
Q365
Q366
R360
R361
R362
R363
R369
R370
R371
R372
R373
R374
R377
R378
R500
R550
R600
R601
R602
R650
R651
R652
R654
R701
R702
R704
R751
R752
R754
CNS506
CNS505
C656
C706
C703
C653
IC701
IC702
C601
C606
C756
C603
C753
C654
R653
C704
R703
C754
R753
R603
C604
R604
(Page 5)
L
(Page 5)
STR-K740P/K840P
8
8
6. PRINTED WIRING BOARD — VIDEO SECTION —
• Refer to page 2 for Common Note on Printed Wiring Boards.
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
11
12
13
14
G
JW220
J200
J201
IC804
CNS150
IC103
R219
C213
C210
C214
C809
C827
R221
R218
C206
C207
C200
R200
R220
C208
C201
C209
C215
JW211
JW202
JW207
JW212
R201
JW210
CNP156
JW215
JW204
JW200
JW218
JW205
JW208
C248
C249
JW206
T20
T21
C825
JW213
JW214
JW203
D203
D204
JW216
IC807
C824
A
((Page 12))
(Page 3)
STR-K740P/K840P
9
9
7. SCHEMATIC DIAGRAM — VIDEO SECTION —
• Refer to page 2 for Common Note on Schematic Diagram.
A
G
C200
R220
R218
R221
C214
C215
C248
C249
R219
C827
D203
D204
J201
C201
J200
C825
C824
C210
R200
C207
C206
R201
IC103
IC804
CNS150
C209
C208
C213
C809
CNP156
IC807
((Page 14))
(Page 4)
STR-K740P/K840P
10
10
8. ELECTRICAL PARTS LIST
NOTE:
• Due to standardization, replacements in
the parts list may be different from the
parts specified in the diagrams or the
components used on the set.
parts specified in the diagrams or the
components used on the set.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• RESISTORS
All resistors are in ohms.
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
METAL:Metal-film resistor.
METAL OXIDE: Metal oxide-film resistor.
F:nonflammable
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• SEMICONDUCTORS
In each case, u :
µ
, for example:
uA.. :
µ
A..
uPA.. :
µ
PA..
uPB.. :
µ
PB.. uPC.. :
µ
PC.. uPD.. :
µ
PD..
• CAPACITORS
uF :
µ
F
• COILS
uH :
µ
H
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
A-4731-785-A MAIN BOARD, COMPLETE (K740P)
A-4731-787-A MAIN BOARD, COMPLETE (K840P)
A-4731-787-A MAIN BOARD, COMPLETE (K840P)
*********************
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
< CAPACITOR >
C373
1-127-880-11 CERAMIC
0.022uF
10%
50V
C374
1-164-159-11 CERAMIC
0.1uF
50V
C402
1-126-964-11 ELECT
10uF
20%
50V
C404
1-126-964-11 ELECT
10uF
20%
50V
C405
1-126-964-11 ELECT
10uF
20%
50V
C406
1-126-964-11 ELECT
10uF
20%
50V
C407
1-126-964-11 ELECT
10uF
20%
50V
C408
1-126-964-11 ELECT
10uF
20%
50V
C409
1-126-964-11 ELECT
10uF
20%
50V
C411
1-126-961-11 ELECT
2.2uF
20%
50V
(K840P)
C412
1-126-961-11 ELECT
2.2uF
20%
50V
(K840P)
C413
1-126-964-11 ELECT
10uF
20%
50V
C414
1-126-964-11 ELECT
10uF
20%
50V
C415
1-124-261-00 ELECT
10uF
20%
50V
C416
1-126-964-11 ELECT
10uF
20%
50V
C417
1-124-261-00 ELECT
10uF
20%
50V
C418
1-126-964-11 ELECT
10uF
20%
50V
C419
1-126-964-11 ELECT
10uF
20%
50V
C431
1-126-961-11 ELECT
2.2uF
20%
50V
(K840P)
C432
1-126-961-11 ELECT
2.2uF
20%
50V
(K840P)
C433
1-126-964-11 ELECT
10uF
20%
50V
C452
1-126-964-11 ELECT
10uF
20%
50V
C454
1-126-964-11 ELECT
10uF
20%
50V
C455
1-126-964-11 ELECT
10uF
20%
50V
C456
1-126-964-11 ELECT
10uF
20%
50V
C457
1-126-964-11 ELECT
10uF
20%
50V
C458
1-126-964-11 ELECT
10uF
20%
50V
C459
1-126-964-11 ELECT
10uF
20%
50V
C461
1-126-961-11 ELECT
2.2uF
20%
50V
(K840P)
C462
1-126-961-11 ELECT
2.2uF
20%
50V
(K840P)
C464
1-164-159-11 CERAMIC
0.1uF
50V
C465
1-126-934-11 ELECT
220uF
20%
10V
C466
1-126-964-11 ELECT
10uF
20%
50V
C467
1-164-159-11 CERAMIC
0.1uF
50V
C471
1-126-963-11 ELECT
4.7uF
20%
50V
C472
1-126-963-11 ELECT
4.7uF
20%
50V
C481
1-126-964-11 ELECT
10uF
20%
50V
C482
1-126-964-11 ELECT
10uF
20%
50V
C483
1-126-964-11 ELECT
10uF
20%
50V
C484
1-126-964-11 ELECT
10uF
20%
50V
C485
1-126-964-11 ELECT
10uF
20%
50V
C486
1-126-964-11 ELECT
10uF
20%
50V
C487
1-126-964-11 ELECT
10uF
20%
50V
C488
1-164-159-11 CERAMIC
0.1uF
50V
C489
1-128-809-11 CERAMIC
100PF
5%
50V
C490
1-128-809-11 CERAMIC
100PF
5%
50V
C491
1-126-964-11 ELECT
10uF
20%
50V
C492
1-126-964-11 ELECT
10uF
20%
50V
C493
1-126-964-11 ELECT
10uF
20%
50V
C494
1-126-964-11 ELECT
10uF
20%
50V
C495
1-126-964-11 ELECT
10uF
20%
50V
C496
1-126-963-11 ELECT
4.7uF
20%
50V
C497
1-128-809-11 CERAMIC
100PF
5%
50V
C498
1-128-803-11 CERAMIC
33PF
5%
50V
C501
1-126-963-11 ELECT
4.7uF
20%
50V
C503
1-104-665-11 ELECT
100uF
20%
10V
C504
1-107-583-11 CERAMIC
3PF
0.25PF 500V
C505
1-101-810-00 CERAMIC
100PF
5%
500V
C506
1-101-810-00 CERAMIC
100PF
5%
500V
C507
1-128-809-11 CERAMIC
100PF
5%
50V
C510
1-126-947-11 ELECT
47uF
20%
25V
C511
1-136-157-00 FILM
0.022uF
5%
50V
C516
1-162-815-11 CERAMIC
47PF
5%
500V
C517
1-162-815-11 CERAMIC
47PF
5%
500V
C519
1-128-813-11 CERAMIC
220PF
5%
50V
C540
1-126-964-11 ELECT
10uF
20%
50V
C541
1-127-876-11 CERAMIC
0.01uF
10%
50V
C610
1-126-947-11 ELECT
47uF
20%
25V
C611
1-136-157-00 FILM
0.022uF
5%
50V
C619
1-128-813-11 CERAMIC
220PF
5%
50V
C620
1-162-815-11 CERAMIC
47PF
5%
500V
C621
1-162-815-11 CERAMIC
47PF
5%
500V
C640
1-126-964-11 ELECT
10uF
20%
50V
C642
1-127-876-11 CERAMIC
0.01uF
10%
50V
C660
1-126-947-11 ELECT
47uF
20%
25V
C661
1-136-157-00 FILM
0.022uF
5%
50V
C666
1-162-815-11 CERAMIC
47PF
5%
500V
C669
1-162-815-11 CERAMIC
47PF
5%
500V
C670
1-128-813-11 CERAMIC
220PF
5%
50V
C680
1-126-964-11 ELECT
10uF
20%
50V
C681
1-127-876-11 CERAMIC
0.01uF
10%
50V
C691
1-164-159-11 CERAMIC
0.1uF
50V
C710
1-126-947-11 ELECT
47uF
20%
25V
C711
1-136-157-00 FILM
0.022uF
5%
50V
C716
1-162-815-11 CERAMIC
47PF
5%
500V
C717
1-162-815-11 CERAMIC
47PF
5%
500V
C720
1-128-813-11 CERAMIC
220PF
5%
50V
MAIN
MAIN
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant
le numéro spécifié.
le numéro spécifié.
When indicating parts by reference number,
please include the board name.
please include the board name.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
C721
1-126-934-11 ELECT
220uF
20%
10V
C722
1-126-964-11 ELECT
10uF
20%
50V
C732
1-128-582-11 ELECT
10uF
20%
100V
C733
1-128-582-11 ELECT
10uF
20%
100V
C740
1-126-964-11 ELECT
10uF
20%
50V
C742
1-127-876-11 CERAMIC
0.01uF
10%
50V
C750
1-126-964-11 ELECT
10uF
20%
50V
C752
1-127-876-11 CERAMIC
0.01uF
10%
50V
C760
1-126-947-11 ELECT
47uF
20%
25V
C761
1-136-157-00 FILM
0.022uF
5%
50V
C766
1-162-815-11 CERAMIC
47PF
5%
500V
C767
1-162-815-11 CERAMIC
47PF
5%
500V
C770
1-128-813-11 CERAMIC
220PF
5%
50V
C801
1-126-947-11 ELECT
47uF
20%
35V
C802
1-126-947-11 ELECT
47uF
20%
35V
C803
1-165-498-11 ELECT
4700uF
20%
63V
(K740P)
C803
1-165-946-11 ELECT
6800uF
20%
71V
(K840P)
C804
1-165-498-11 ELECT
4700uF
20%
63V
(K740P)
C804
1-165-946-11 ELECT
6800uF
20%
71V
(K840P)
C805
1-135-851-21 MYLAR
0.22uF
100V
C806
1-135-851-21 MYLAR
0.22uF
100V
C807
1-104-665-11 ELECT
100uF
20%
10V
C808
1-126-935-11 ELECT
470uF
20%
10V
C810
1-164-159-11 CERAMIC
0.1uF
50V
C811
1-164-159-11 CERAMIC
0.1uF
50V
C822
1-126-947-11 ELECT
47uF
20%
35V
C830
1-164-159-11 CERAMIC
0.1uF
50V
C901
1-164-159-11 CERAMIC
0.1uF
50V
C903
1-126-936-11 ELECT
3300uF
20%
16V
< CONNECTOR >
CNP501 1-573-847-11 CONNECTOR, BOARD TO BOARD 15P
CNP502 1-784-038-21 CONNECTOR, BOARD TO BOARD 9P
CNP505 1-778-981-21 CONNECTOR, BOARD TO BOARD 13P
CNP506 1-778-981-21 CONNECTOR, BOARD TO BOARD 13P
CNP502 1-784-038-21 CONNECTOR, BOARD TO BOARD 9P
CNP505 1-778-981-21 CONNECTOR, BOARD TO BOARD 13P
CNP506 1-778-981-21 CONNECTOR, BOARD TO BOARD 13P
* CNP801 1-564-104-00 PIN, CONNECTOR (3.96mm PITCH) 3P
CNP802 1-691-767-11 PLUG (MICRO CONNECTOR) 5P
CNP911 1-784-928-11 PIN, CONNECTOR 13P
CNP915 1-766-200-11 SOCKET, CONNECTOR PIN 5P
CNP911 1-784-928-11 PIN, CONNECTOR 13P
CNP915 1-766-200-11 SOCKET, CONNECTOR PIN 5P
< DIODE >
D505
8-719-991-33 DIODE 1SS133T-77
D510
8-719-991-33 DIODE 1SS133T-77
D540
8-719-991-33 DIODE 1SS133T-77
D560
8-719-991-33 DIODE 1SS133T-77
D605
8-719-991-33 DIODE 1SS133T-77
D610
8-719-991-33 DIODE 1SS133T-77
D640
8-719-991-33 DIODE 1SS133T-77
D665
8-719-991-33 DIODE 1SS133T-77
D680
8-719-991-33 DIODE 1SS133T-77
D690
8-719-934-21 DIODE HZS30-1L
D691
8-719-991-33 DIODE 1SS133T-77
D705
8-719-991-33 DIODE 1SS133T-77
D710
8-719-991-33 DIODE 1SS133T-77
D721
8-719-991-33 DIODE 1SS133T-77
D722
8-719-991-33 DIODE 1SS133T-77
D731
8-719-991-33 DIODE 1SS133T-77
D732
8-719-991-33 DIODE 1SS133T-77
D733
8-719-991-33 DIODE 1SS133T-77
D734
8-719-991-33 DIODE 1SS133T-77
D740
8-719-991-33 DIODE 1SS133T-77
D750
8-719-991-33 DIODE 1SS133T-77
D765
8-719-991-33 DIODE 1SS133T-77
D791
8-719-991-33 DIODE 1SS133T-77
D801
8-719-934-21 DIODE HZS30-1L
D802
8-719-072-05 DIODE RBV-602LF-A
D804
8-719-118-63 DIODE RD5.6F-T7B2
D896
8-719-043-76 DIODE AK04V0
D902
8-719-024-99 DIODE 11ES2-NTA2B
D903
8-719-024-99 DIODE 11ES2-NTA2B
D904
8-719-024-99 DIODE 11ES2-NTA2B
D905
8-719-024-99 DIODE 11ES2-NTA2B
< IC >
IC201
6-701-567-01 IC M61511FP-R61G
IC401
8-759-636-74 IC M5218AP-22
IC501
8-749-011-16 IC STK350-230
IC601
8-759-636-74 IC M5218AP-22
IC801
8-759-649-68 IC uPC78M07AHF
IC802
8-759-604-95 IC M5F79M07L
< JACK >
J401
1-793-775-12 JACK, PIN 6P (MULTI CH IN FRONT/
SURROUND/CENTER/SUB WOOFER)(K840P)
J402
1-794-981-11 JACK, PIN 4P (CD IN,MD/TAPE OUT)
J403
1-794-981-11 JACK, PIN 4P (MD/TAPE IN,
DVD/LD AUDIO IN)
J404
1-774-411-11 JACK, PIN 6P (VIDEO 2 AUDIO IN,
VIDEO 1 AUDIO OUT/AUDIO IN)
J405
1-770-377-21 JACK, PIN 1P (SUB WOOFER AUDIO OUT)
< COIL >
L521
1-420-872-52 COIL, AIR-CORE
L601
1-420-872-52 COIL, AIR-CORE
L651
1-420-872-52 COIL, AIR-CORE
L701
1-420-872-52 COIL, AIR-CORE
L751
1-420-872-52 COIL, AIR-CORE
< TRANSISTOR >
Q363
8-729-823-22 TRANSISTOR 2SC3576
Q364
8-729-823-22 TRANSISTOR 2SC3576
Q379
8-729-900-63 TRANSISTOR DTA124ES
Q471
8-729-823-22 TRANSISTOR 2SC3576
Q501
8-729-119-76 TRANSISTOR 2SA1175-HFE
Q502
8-729-141-30 TRANSISTOR 2SC3623A-LK
Q505
8-729-140-82 TRANSISTOR 2SA988-PAFAEA
Q506
8-729-140-82 TRANSISTOR 2SA988-PAFAEA
Q540
8-729-281-53 TRANSISTOR 2SC1815-GR
Q550
8-729-119-79 TRANSISTOR 2SC2785-FEK
Q560
8-729-119-79 TRANSISTOR 2SC2785-FEK
Q601
8-729-119-76 TRANSISTOR 2SA1175-HFE
Q602
8-729-141-30 TRANSISTOR 2SC3623A-LK
Q605
8-729-140-82 TRANSISTOR 2SA988-PAFAEA
Q606
8-729-140-82 TRANSISTOR 2SA988-PAFAEA
Q610
8-729-119-79 TRANSISTOR 2SC2785-FEK
Q640
8-729-281-53 TRANSISTOR 2SC1815-GR
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