Sony HT-DDW2500 / STR-KM2500 Service Manual ▷ View online
STR-KM2500
STR-KM2500
17
17
6-4. PRINTED WIRING BOARD - MAIN Board -
•
: Uses unleaded solder.
• See page 15 for Circuit Boards Location.
Ref. No. Location
• Semiconductor Location
Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location
D320 F-8
D325 F-8
D326 F-8
D327 F-9
D335 F-3
D352 D-6
D355 C-9
D360 D-9
D325 F-8
D326 F-8
D327 F-9
D335 F-3
D352 D-6
D355 C-9
D360 D-9
D365 D-11
D375 D-14
D611 G-8
D631 E-5
D632 E-5
D711 G-9
D720 G-10
D725 G-9
D375 D-14
D611 G-8
D631 E-5
D632 E-5
D711 G-9
D720 G-10
D725 G-9
D761 G-6
D770 G-7
D775 G-6
D921 C-13
D930 D-14
D931 D-13
D940 E-14
D941 E-14
D770 G-7
D775 G-6
D921 C-13
D930 D-14
D931 D-13
D940 E-14
D941 E-14
D942 E-14
D943 E-14
D943 E-14
IC350 C-6
IC352 D-6
IC400 D-3
IC601 E-4
IC701 E-6
IC352 D-6
IC400 D-3
IC601 E-4
IC701 E-6
Q320 F-8
Q321 F-7
Q325 F-9
Q355 C-10
Q360 D-9
Q365 D-11
Q375 F-14
Q601 H-8
Q321 F-7
Q325 F-9
Q355 C-10
Q360 D-9
Q365 D-11
Q375 F-14
Q601 H-8
Q602 H-8
Q603 H-7
Q604 H-8
Q611 G-8
Q612 G-8
Q701 G-10
Q702 H-10
Q703 H-9
Q603 H-7
Q604 H-8
Q611 G-8
Q612 G-8
Q701 G-10
Q702 H-10
Q703 H-9
Q704 H-10
Q711 G-10
Q712 G-10
Q720 G-9
Q751 G-6
Q752 H-6
Q753 H-5
Q754 H-6
Q711 G-10
Q712 G-10
Q720 G-9
Q751 G-6
Q752 H-6
Q753 H-5
Q754 H-6
Q761 G-7
Q762 G-6
Q770 G-6
Q930 D-13
Q762 G-6
Q770 G-6
Q930 D-13
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
MAIN BOARD
DIGITAL
AB BOARD
CNS502
(Page 23)
A
DIGITAL
AB BOARD
CNS501
(Page 23)
B
DCAC BOARD
CN2001
(Page 27)
C
DIGITAL AB BOARD
CNP506
(Page 23)
E
DIGITAL AB
BOARD
CNP505
(Page 23)
I
HEADPHONE
BOARD
CNP792
(Page 27)
D
STANDBY
BOARD
T901
(Page 30)
STANDBY
BOARD
T901
(Page 30)
K
DISPLAY
BOARD
CN104
(Page 28)
J
STANDBY
BOARD
CN912
(Page 30)
H
J402
SAT
IN
L
R
SA-CD/
CD
IN
TV
IN
L
R
L
R
TB604
SPEAKERS
TB603
SUB
WOOFER
1
2
3
4
1
2
3
4
R
L
FRONT
G
1-879-436-
(12)
12
E
B
E
B
R930
R931
R780
R773
R774
R775
R776
R772
R771
R770
R766
R764
R761
R756
R757
JW664
JW665
R758
R754
R753
R752
R751
R730
R725
R726
R724
R723
R722
R721
R720
R714
R715
R716
JW660
JW661
R71
1
R707
R708
R706
R633
R634
R632
R631
R630
R616
R615
R614
R61
1
R608
R607
R606
R604
JW746
JW714
JW713
JW712
JW747
JW769
JW740
JW749
JW751
JW758
JW745
R603
R602
R601
R453
R452
R451
R450
R449
R430
R424
R425
R426
R423
R421
R422
R403
R402
R401
R375
R378
R365
R368
R355
R358
R335
R336
R337
R328
R327
R326
R325
B E
Q770
BE
Q762
B E
Q761
B E
Q720
Q712
Q711
BE
Q612
B E
Q611
B
E
Q375
EB
Q365
B E
Q355
B
E
Q321
B
E
Q325
B E
Q320
JR3002
JR3001
JR701
JR631
JR601
JW768
JR454
JR435
JR434
JR424
JR421
JR404
JR322
JR321
20
21
41
60
40
61
80 1
IC400
D942
D943
D940
D941
D931
D930
D775
D770
D761
D725
JW676
D720
D711
D632
D631
D61
1
D375
D365
D355
D352
D335
D327
D326
D325
D320
CC52
CC51
CC17
CC14
CC13
CC02
CC01
C941
C940
C933
C775
C770
C761
C754
C752
C725
C720
C711
C704
C702
C611
C604
C602
C499
C489
JW773
C450
C449
C431
C430
C352
C350
R431
JR702
R704
R702
R703
JS923
JS921
JS922
JS920
1
3
CN941
1
3
9
CN350
JS402
JS401
JS335
JS336
15
3
CN792
R
Y375
R613
Q603
Q604
Q703
Q704
Q754
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
Q753
JS338
RR17
RY
36
5
JW776
JW777
RY355
RR14
RR13
ET902
R940
R932
R779
R763
JW677
R762
R765
R760
R759
R729
R713
R712
R710
R709
R629
R628
R612
R610
R609
R546
R545
JW872
JW709
R487
R488
R392
R393
R376
R377
R366
R367
R356
JW791 R357
EB
Q930
E
B
Q752
E
B
B
Q751
E
B
E
B
Q702
Q701
E
B
Q602
E
B
Q601
L628
JR320
14
15
IC701
2
14
1
2
1
15
IC601
O
IC350
O
IC352
D921
‚P
‚U
CNP940
1
3
CNP930
1
3
CNP930
1
3
CNP922
1
7
1
7
CNP912
CNP912
4
1
CNP430
1
15
CNP411
1
13
CNP410
C932
C931
C930
JW750
C925
C924
C921
C920
C904
C779
C771
JW684
JW707
JW708
C762
C760
C759
C758
C757
C755
JW755
JW756
C753
C729
C721
C712
C710
C709
C708
C707
C705
C703
C629
C612
C610
C609
C608
C607
C605
C603
C546
C545
C488
C487
C425
C424
C422
C421
C353
C351
C335
C325
C320
JW700
JS390
JS391
JS397
JW657
JS389
JS339
JS403
JS404
JS432
JS500
JW766
JW781
JW771
JW767
JW762
JW743
JW753
JW754
JW761
JW760
JW761
JW760
JS510
JS600
JS601
JS604
JS605
JW656
JW655
JW658
JS606
JS607
JW715
JW705
JW704
JW704
JW706
JS609
JS608
JS610
JW737
JW718
JW717
JW716
JW738
JW739
JW741
JS612
JS783
JW782
JW779
JW790
JS930
JW321
JW322
JW323
JW324
JW325
JW326
JW328
JW327
JW329
JW330
JW331
JW332
JW601
JW825
JW731
JW610
JW611
JW612
JW613
JW614
JW615
JW617
JW616
JW619
JW618
JW621
JW630
JW633
JW634
JW635
JW636
JW637
JW651
JW638
JW639
JW640
JW641
JW652
JW650
JW699
JW859
JW642
JW643
JW645
JW644
JW646
JW647
JW659
JW685
JW686
JW648
JW696
JW695
JW795
JW794
JW802
JW835
JW803
JW839
JW843
JW852
JW855
JW836
JW837
JW804
JW838
JW845
JW846
JWH10
JWH1
JW863
JW862
JW864
JW801
JW819
JW807
JW834
JW813
JW860
JW861
JW841
JW842
JWH11
JW798
JW799
JW800
JW814
JW826
JW827
JW833
JW832
JW831
JW752
JW829
JW830
JW748
JW670
JW817
JW815
JW816
JW840
JW687
JW868
JW870
JW871
JWH2
JWH3
JWH7
JWH4
JW772
JW770
JW689
JW691
JW692
JW694
JW693
JWH5
JWH9
W001
W002
JS602
(CHASSIS)
B400
JW653
JS778
JS728
Ver. 1.1
STR-KM2500
STR-KM2500
18
18
• See page 34 for IC Block Diagrams.
6-5. SCHEMATIC DIAGRAM - MAIN Board (1/4) -
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
SWOUT
A1
VACS_INPUTS
PROTECT
OR
+7V
FR_OUT
R1_GND
VACS_INPUTS
DC_DETECT_1
VACS_INPUTS
DC_DETECT_1
AA1
AA2
AA3
AA4
AA5
AA6
AA7
AA7
AA8
AA9
AA10
AA11
PROTECTOR
AA10
AA11
PROTECTOR
VEE
VCC
AA12
MAIN BOARD (1/4)
C758
47p
1
2
3
Q753
R +VE
MN2488-OPY-MK
BOOSTER
B
C
E
47k
R780
100k
R776
2SA1163L-TE85L
Q762
1.5k
R764
50V
10
C771
4.7k
R761
68k
R766
2SC3052EF-T1-LEF
Q770
Q770
AF POWER
PROTECT
25V
47
C757
10.0MM
R779
1
2
3
R -VE
B
C
E
220p
C761
5.0MM
560
R758
15k
R772
2.2k
R756
2SA1115TP-EF
Q751
Q752
0.022
C779
82k
R757
2SA1163L-TE85L
Q761
15k
R765
0.22 x 2
R763
0.01
C770
47p
C759
C605
3p
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
MUTE
+VOUT1
-VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
68k
R604
C602
100p
C604
100p
1k
R601
2.2k
R603
MA2J1
110GLS0
D761
MA2J1
110GLS0
D770
MA2J1
110GLS0
D775
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
STK350-530T-E
IC601
MA2J1
110GLS0
D631
MA2J1
110GLS0
D632
1k
R632
2.2k
R633
22k
R634
1k
R631
0
JR631
22k
R770
C603
100p
JS778
22k
R774
22k
R773
100
R760
100
R759
0
JR601
6.2k
R762
JS338 7.5MM
0.01
C775
3.3k
R771
10k
R775
50V
C610
10
68k
R602
10V
C612
220
2SD2144S-TP-W
VACS_INPUTS
+7V
[FR]
[SW]
[FR]
Q761,Q762
CURRENT
DETECTOR
IC B/D
IC601
POWER AMP
Q751,Q752
LIMITER
Q754
MP1620-OPY-MK
BOOSTER
MAIN BOARD
(2/4)
(Page 19)
1
MAIN BOARD
(3/4)
(Page 20)
3
STR-KM2500
STR-KM2500
19
19
• See page 34 for IC Block Diagrams.
6-6. SCHEMATIC DIAGRAM - MAIN Board (2/4) -
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
MAIN BOARD
(1/4)
(Page 18)
1
MAIN BOARD
(3/4)
(Page 20)
4
MAIN BOARD
(4/4)
(Page 21)
2
HEADPHONE
BOARD
CNP790
(Page 27)
D
IC B/D
IC701
POWER AMP
FLOUT
FROUT
VEE
VCC
R1_GND
A3
A2
HP_DECTECT
HP_R
Y
+15V
R2_GND
GND
FL_OUT
SW/SB/ SBL_OUT
FR_OUT
AGND
AA4
AA6
AA7
AA7
AA8
AA9
AA10
AA11
PROTECTOR
VEE
VCC
AA12
AA5
FR_OUT
R1_GND
VACS_INPUTS
DC_DETECT_1
DC_DETECT_1
AA1
AA2
AA3
SW/SB/SBL_OUT
MAIN BOARD (2/4)
2SA1163L-TE85L
Q611
C609
47p
2SA1115TP-EF
Q601
25V
C607
47
R607
82k
L628 1.7uH
R614
1.5k
R611
4.7k
R608
560
C611
220p
R628
4.7
0.022
C629
1
2
3
SW/SB/SBL -VE
B
C
E
1
2
3
SW/SB/SBL +VE
B
C
E
R629
10
R615
15k
R630
47k
2SA1163L-TE85L
Q612
R606
2.2k
Q720
AF POWER
PROTECT
R612
6.2k
R616
68k
2SA1163L-TE85L
Q711
2SA1115TP-EF
Q701
1.5k
R714
C708
47p
560
R708
220p
C711
68k
R704
1
2
3
L +VE
B
C
E
10
R729
2SA1163L-TE85L
Q712
Q711,Q712
CURRENT
DETECTOR
Q701,Q702
LIMITER
Q601,Q602
LIMITER
Q611,Q612
CURRENT
DETECTOR
2.2k
R706
2SC3052EF-T1-LEF
Q720
0.01
C720
100p
C704
100p
C754
47p
C709
68k
R754
50V
10
C721
3p
C705
25V
47
C707
82k
R707
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
MUTE
+VOUT1
-VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
15k
R722
4.7k
R711
0.022
C729
1
2
3
L -VE
B
C
E
15k
R715
6.2k
R712
3p
C755
68k
R716
1
9
8
7
6
5
4
3
2
15
14
13
12
11
10
STK350-530T-E
IC701
39k
R326
50V
10
C325
10k
R327
6.8k
R325
2SA1163L-TE85L
Q320
Q320,Q321,Q325
PROTECT SWITCH
2SC3052EF-T1-LEF
Q321
1k
R328
100V
10
C546
100V
10
C545
1
R546
1
R545
1k
R751
1k
R701
100p
C752
100p
C702
68k
R752
68k
R702
2.2k
R375
2SC3052EF-T1-LEF
RELAY DRIVER
Q375
RY375
12V
1
3
4
5
CN792
XX
HP DETECT
R-CH
GND
L-CH
R730
47k
MA2J1
110GLS0
D61
1
MA2J1
110GLS0
D326
MA2J1
110GLS0
D325
MA2J1110GLS0
D375
MA2J1
110GLS0
D720
MA2J1
110GLS0
D320
MA2J1110GLS0
D327
MA2J1
110GLS0
D71
1
50V
10
C710
50V
10
C760
MA2J1
110GLS0
D725
100k
R726
22k
R720
47
R377
33
R376
0
JR320
680
R393
R392
680
JS728
5.0MM
22k
R724
22k
R723
100
R709
100
R710
R610
100
R609
100
2.7k
R703
2.7k
R753
0
JR701
C608
47p
JS339
5.0MM
JS605
17.5MM
JS606
7.5MM
JS609
10.0MM
JS607
10.0MM
JS608
5.0MM
JS612
5.0MM
JS604
15.0MM
100p
C703
100p
C753
10V
220
C712
10V
C762
220
47k
R378
0.01
C725
2SC2713G-TE85L
Q325
3.3k
R721
10k
R725
10V
470
C320
2SD2144S-TP-W
Q602
2SD2144S-TP-W
Q702
PROTECTOR
DC_DETECT_2
FR_OUT
FR_OUT
FL_OUT
FL_OUT
[FL]
[FL]
[SW/SB/SBL]
Q603
MN2488-OPY-MK
BOOSTER
Q604
MP1620-OPY-MK
BOOSTER
Q703
MN2488-OPY-MK
BOOSTER
Q704
MP1620-OPY-MK
BOOSTER
0.22 x 2
R613
0.22 x 2
R713
STR-KM2500
STR-KM2500
20
20
6-7. SCHEMATIC DIAGRAM - MAIN Board (3/4) -
1
2
3
4
5
6
7
8
9
10
11
14
15
12
13
A
B
C
D
E
F
G
H
I
J
MAIN BOARD
(4/4)
(Page 21)
5
MAIN BOARD
(2/4)
(Page 19)
4
MAIN BOARD
(1/4)
(Page 18)
3
IC350
+7V REGULATOR
IC352
-7V REGULATOR
IC B/D
IC400
INPUT SELECTOR,
ELECTRICAL VOLUME
FLOUT
FROUT
AGND
-15V
+15V
SWOUT
A1
VACS_INPUTS
+7V
PROTECT
OR
MAIN BOARD (3/4)
CC02 100p
CC52 100p
R451 1k
R402 1k
W002
G
SACD/CD IN
TV
SAT
CC01 100p
CC51 100p
R401 1k
R452 1k
R453 1k
R403 1k
A_GND
6.8k
R335
1SR154-400TE-25
D352
0.47
C350
0.47
C352
0.1
C489
0.1
C499
100p
C449
100p
C450
0.033
C424
0
JR421
0
JR424
C430
220p
C431
MAZ8030G0LS0
D335
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
BD3471KS2
IC400
GND
GND
RECL4
RECR4
RECL3
RECR
3
RECL2
RECR2
RECL1
RECR1
GND
INL16
INR
16
INL15
INR15
INL14
INR
14
INL1
3
INR
13
GND
INL12
INR12
INL
11
INR1
1
INL1
0
INR10
INL9
INR9
INL8
INR8
INL7
INR7
INL6
INR6
INL5
INR5
INL4
INR
4
(59) INL3 (DCAC_MIC)
(60) INR3 (DCAC_MIC)
INL2 (DMPOR
T_L)
INR2 (DMPOR
T_R)
INL1 (TUNER_L)
INR1 (TUNER_R)
GND
SBLIN
SBRIN
SLIN
SRIN
CIN
SWIN
LIN
RIN
GND
ROUT
LOUT
GND
ROUT
SUB
LOU
T S
UB
GND
SWVO
L
LPFN1
LPFN2
LPF02
LPF01
HPFN
SBLOUT
SBROUT
SLOUT
SROUT
COUT
SWOUT
FLOU
T
FROUT
VEE
CLK
DA
TA
DGND
VCC
SWVO
L
LPFN1
LPFN2
LPF02
LPF01
HPFN
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
CNP410
13P
VOL IC CLK
VOL IC DATA
VACS CTRL
PROTECTOR
+7V
-7V
FR OUT
AGND
FL OUT
SW
AGND
C OUT
SR OUT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CNP411
15P
AGND
SL OUT
+7V
SBR OUT
SBL OUT
L IN
AGND
R IN
TUNER R
AGND
TUNER L
DMPORT L-
DMPORT R-
DMPORT L+
DMPORT R+
JR3001
0
JR3002
0
6.8k
R425
SWVOL
HPFN
LPF01
LPF02
LPFN2 LPFN1
5.6k
R424
0.22
C422
0.47
C425
JS402
7.5MM
1
3
4
CNP430
VID2_AU_L
VID2_AU_GND
VID2_AU_R
R431
1k
R430
1k
JS335
5.0MM
1k
R449
1k
R450
JS336
J402
6P
SAT
5.5
JS401
3P
R487
2.2
R488
2.2
25V
C488
47
25V
C487
47
220k
R426
16V
100
C353
16V
100
C351
47k
R421
22k
R422
2.7k
R423
I
O
COM
KIA7807API-U/PF
IC350
1
2
3
I
O
G
KIA7907PI
IC352
1
2
3
10k
R336
22k
R337
16V
47
C335
0.22
C421
R1
L1
R2
L2
R3
L3
DIGITAL
AB BOARD
(2/3)
CNS502
(Page 25)
A
DIGITAL
AB BOARD
(2/3)
CNS501
(Page 25)
B
DCAC BOARD
(Page 27)
C
• See page 34 for IC Block Diagrams.
Click on the first or last page to see other HT-DDW2500 / STR-KM2500 service manuals if exist.