Sony HT-DDW7500 / HT-DDW8500 / STR-KM7500 Service Manual ▷ View online
17
17
STR-KM7500
STR-KM7500
5-7. BLOCK DIAGRAM — CONNECTION SECTION —
6LJQDOSDWK
: TUNER
: AUDIO
RFK LV RPLWWHG GXH WR VDPH DV /FK
: VIDEO
IC800
DMPORT AUDIO AMP
1
7
5
6
1
3
9
7
COMPOSITE-SW4
DMPORT VIDEO
6
COMPOSITE-SW3
5
COMPOSITE-SW2
4
COMPOSITE-SW1
3
COMPONENT_SW1
2
COMPONENT_SW2
1
PS(V-MUTE)
VACS
10
MULTI_CH
16
CLK
18
DATA
17
PROTECT
(R-CH)
(R-CH)
(R-CH)
(R-CH)
(R-CH)
(R-CH)
(R-CH)
(R-CH)
(R-CH)
(R-CH)
5
DMPORT_L+
3
DMPORT_L-
DMPORT_R+
6
DMPORT_R-
4
TUNER R
9
ADL_RIN
19
TUNER L
7
ADL_LIN
20
FL
15
SW
16
14
C
12
SL
10
SBL
18
FR
13
SR
11
SBR
CN800
9
DMPORT VIDEO
7
COMPOSITE-SW4
6
COMPOSITE-SW3
5
COMPOSITE-SW2
4
COMPOSITE-SW1
3
COMPONENT_SW1
2
COMPONENT_SW2
1
13
PS(V-MUTE)
VIDEO2_VIDEO
CN802
CN801
(R-CH)
(R-CH)
(R-CH)
(R-CH)
(R-CH)
(R-CH)
FR
FL
10
SW
11
C
12
SR
13
SL
14
SBR
17
SBL
18
CLK
5
PROTECT
3
DATA
4
MULTHIN
6
VACS
7
L-IN
8
TUNER-L
13
DM-L
18
R-IN
9
TUNER-R
11
DM-R
17
DCAC
16
CN804
DIGITAL SECTION
(2/2)
(Page 16)
H
DIGITAL SECTION
(1/2)
(Page 15)
G
VIDEO SECTION
(Page 12)
I
MAIN SECTION
(Page 18)
D
MAIN SECTION
(Page 18)
CN803
E
Ver. 1.4
18
18
STR-KM7500
STR-KM7500
5-8. BLOCK DIAGRAM — MAIN SECTION —
R-CH (SBR)
R-CH (SBR)
R-CH (SR)
R-CH (SR)
R-CH (FR)
R-CH (FR)
R-CH (FR)
IC610, IC611
Q612, Q613
POWER AMP
Z
Y
STANDBY DCDC
SECTION
(Page 14)
STANDBY DCDC
SECTION
(Page 14)
IC608, IC609
Q608, Q609
POWER AMP
R-CH (SBR)
R-CH (SR)
6
SW
11
C
12
RC+15V
10
FL
9
FR
14
SBL
13
SBR
18
SL
+7V
1
-7V
2
17
SR
CN555
CN558
J521
SA-CD/CD/
CD-R
OUT
IN
IN
TV
VIDEO 1
R-CH
R-CH
R-CH
+7V
L-CH(V2)
R-CH(V2)
4
7
RCH
RCH
RCH
RCH
RCH
RCH
RCH
+15V
+15V
-7V
SWIN1
71
CIN1
70
FLIN1
INL1
INL1
72
63
63
SLIN1
68
SBLIN1
66
INL2
61
RECL1
INL7
INL8
29
51
49
J522
AUDIO IN
SAT
AUDIO IN
BD
R-CH
R-CH
INL9
INL11
47
43
J523
AUDIO OUT
AUDIO IN
R-CH
R-CH
RECL2
INL12
27
41
SUBWOOFER
RY441
J525
AUDIO OUT
OUTSW 15
3
VACS
7
MULTI-IN
6
DCAC
16
PROTECT
13
L-IN
11
R-IN
8
TUNER-L
DM-L
18
DM-R
17
DATA
4
CLK
5
9
TUNER-R
CN556
D582
INL5
INR5
INR5
59
55
56
56
ADCL
INL3
76
DA
10
INL6
53
CL
11
RY421
RY451
RY422
RY423
RY425
RY406
Q441
PROTECTOR
Q585
Q618, Q619
Q581-Q584
ELECTRICAL
VOLUME
IC551
Q614, Q615
Q626, Q627
PRE DRIVER
IC603
Q622, Q623
PRE DRIVER
IC600
Q602, Q603
Q606, Q607
PRE DRIVER
IC601
Q610, Q611
TB502
SURROUND
TB500
FRONT
SPEAKERS
SPEAKERS
R-CH
R-CH (FR)
TB503
SURROUND
BACK
CENTER
CN552
R-CH (SBR)
+15V
+15V
+15V
+15V
+15V
+15V
VCC
D407
VEE
RELAY DRIVER
Q421
RELAY DRIVER
Q422
FRONT A RY
SW PREOUT RY
4
5
6
C-SL-SR RY
7
SBR-SBL RLY
3
HR LY
8
BRIDGEABLE RY
1
1
3
5
HP DETECT
R-CH
L-CH
HP DETECT
CN554
FH003
FH004
4
5
2
1
R1 (UPPER TAP)
R1 (UPPER TAP)
R1 (LOWER TAP)
R1 (LOWER TAP)
CN551
RELAY DRIVER
RELAY DRIVER
Q406
CNP790
1
4
2
R-CH
PHONES
J790
+7V
-7V
CN553
F401
D401
D402
D403
D404
F402
1
3
R2 AC
R2 AC
IC412
+7V REG
IC413
-7V REG
POWER
TRANSFORMER
POWER
TRANSFORMER
OVERLOAD
DETECT
PRE DRIVER
IC602
OVERLOAD
DETECT
OVERLOAD
DETECT
OVERLOAD
DETECT
OVERLOAD
DETECT
OVERLOAD
DETECT
OVERLOAD
DETECT
PROTECTOR
Q451
RELAY DRIVER
Q425
RELAY DRIVER
CONNECTION
SECTION
(Page 17)
E
CONNECTION
SECTION
(Page 17)
D
DISPLAY
SECTION
(Page 11)
C
DIGITAL SECTION
(1/2)
(Page 15)
N
OUTSBR 19
OUTC 16
OUTSBL 20
OUTSL 18
OUTSR 17
OUTFL 14
OUTFR 13
12
11
8
6
2
3
2
3
8
8
6
11
11
12
12
8
6
2
3
11
12
IC612, IC613
Q616, Q617
POWER AMP
RELAY DRIVER
Q423
R-CH (SR)
IC614, IC615
Q620, Q621
POWER AMP
IC616, IC617
Q624, Q625
POWER AMP
IC604, IC605
Q600, Q601
POWER AMP
IC606, IC607
Q604, Q605
POWER AMP
SLJQDO SDWK
: AUDIO
R-FK LV RPLWWHG GXH WR VDPH DV L-FK
Ver. 1.4
19
19
STR-KM7500
STR-KM7500
Ver. 1.1
• Waveforms
– DIGITAL Board –
– HDMI RE Board –
8.A Vp-p
3 Vp-p
1.2 Vp-p
3.4 Vp-p
25 MHz
12.288 MHz
3.086 MHz
12.35 MHz
3.1 Vp-p
12.5 MHz
IC2015
RK (RBCK)
IC2015
RI (RMCK)
IC2015
XL (XOUT)
1 V/DIV, 20 nsec/DIV
1 V/DIV, 50 nsec/DIV
1 V/DIV, 50 nsec/DIV
IC2006
[WD (XTAL)
IC2007
UK (X1)
1 V/DIV, 20 nsec/DIV
1 V/DIV, 50 nsec/DIV
2.5 Vp-p
28.322 MHz
IC3511
JG (XTALOUT)
3.4 Vp-p
10 MHz
IC3519
RB (XOUT)
1 V/DIV, 20 nsec/DIV
1 V/DIV, 50 nsec/DIV
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
and
1
/
4
W or less unless otherwise
specifi ed.
• f : internal component.
• 2 : nonfl ammable resistor.
• 5 : fl usible resistor.
• C : panel designation.
• 2 : nonfl ammable resistor.
• 5 : fl usible resistor.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with a VOM (Input impedance 10 M
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
L :
L :
VIDEO
F :
AUDIO
E :
TUNER
N :
MIC
J :
AUDIO
(DIGITAL)
• Abbreviation
AUS :
AUS :
Australian
model
CND : Canadian model
EA
EA
: Saudi Arabia model
E51
: Chilean and Peruvian models
SAF : South African model
For Printed Wiring Boards.
Note:
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
• X : Parts extracted from the component side.
• Y : Parts extracted from the conductor side.
• f : Internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
C E
B
These are omitted.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component
Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component
Side)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
• Abbreviation
AUS : Australian model
CND : Canadian model
EA
AUS : Australian model
CND : Canadian model
EA
: Saudi Arabia model
E51 : Chilean and Peruvian models
SAF : South African model
SAF : South African model
20
20
STR-KM7500
STR-KM7500
C403
C408
C409
R647
R455
R456
R660
JW409
JW410
R673
RY406
R686
JW413
RY421
RY422
RY423
RY425
D407
R699
RY441
1
3
2
IC604
RY451
1
3
2
IC605
I
O
IC412
1
3
2
IC606
I
O
IC413
1
3
2
IC607
1
3
2
IC608
1
3
2
IC609
1
3
2
IC610
1
3
2
IC611
1
3
2
IC612
1
3
2
IC613
1
3
2
IC614
1
3
2
IC615
1
3
2
IC616
1
3
2
IC617
CP600
CP601
CP602
CP603
CP604
CP605
CP606
R712
B551
R725
1
5
3
CN552
1
3
CN553
1
2
17
18
CN555
CN558
1
2
17
18
CN556
JW402
JW414
E
B
Q600
E
B
Q601
E
B
Q604
E
B
Q605
E
B
Q608
E
B
Q609
E
B
Q612
E
B
Q613
L600
L601
E
B
Q616
L602
E
B
Q617
L603
L604
L605
L606
E
B
Q620
E
B
Q621
E
B
Q624
E
B
Q625
JW401
JW407
JW415
1
15
IC600
1
15
IC601
1
15
IC602
1
15
IC603
1
8
3
CN551
F401
F402
CN558
FH001
FH002
FH003
FH004
F403
F404
C654
C659
C664
C669
C674
C679
C684
C603
C608
C609
C614
C616
C621
C622 C627
C631
C442
C636
C637
C642
C644
C649
C650
C655
C660
C665
C670
C675
C680
C692
C538
C539
C540
C541
C558
C571
C583
C581
C582
C413
C415
C404
C605
C611
C618
C624
C633
C639
C646
C651
C652
C656
C657
C661
C662
C666
C667
C671
C672
C676
C677
C681
C682
C607
C613
C620
C626
C635
C641
C648
JW601
JW603
JW602
JW600
JW522
J523
JW569
JW599
JW614
JW428
JW442
JW443
JW449
JW455
JW456
JW461
JW464
JW467
JW484
JW487
JW488
JW500
JW501
JW505
JW515
JW528
JW539
JW544
JW553
JW556
JW563
JW564
JW573
JW574
JW578
JW582
JW584
JW596
JW606
JW609
JW424
JW430
JW628
JW629
JW438
JW444
JW451
JW460
JW465
JW479
JW492
JW494
JW496
JW504
JW509
JW513
JW518
JW524
JW525
JW531
JW532
JW537
JW540
JW542
JW545
JW547
JW551
JW581
JW583
JW598
JW427
JW623
JW466
JW476
JW491
JW502
JW506
JW51
1
JW530
JW533
JW591
JW592
JW417
JW419
JW420
JW615
JW627
JW437
JW459
JW495
JW514
JW519
JW562
JW568
JW579
JW594
JW426
JW436
JW446
JW457
JW458
JW473
JW499
JW526
JW527
JW541
JW543
JW549
JW560
JW589
JW595
JW423
JW432
JW439
JW475
JW557
JW571
JW580
JW590
JW597
JW607
JW418
JW610
JW61
1
JW618
JW433
JW630
JW631
JW632
JW634
JW635
JW450
JW454
JW462
JW469
JW470
JW472
JW478
JW480
JS002
JS001
JW481
JW486
JW503
JW510
JW516
JW520
JW548
JW554
JW558
R406
R407
R601
R602
R422
R426
R430
R438
R446
R644
R645
R453
R651
R652
R657
R658
R664
R665
R670
R671
R677
R678
R683
R684
R690
R691
R696
R697
RR500
RR501
RR504
RR505
RR506
RR507
RR508
L
R
R703
R704
R709
R710
R716
R717
R722
R723
R729
R730
JW570
JW422
JW523
JW536
JW577
JW538
JW552
JW452
JW529
JW605
JW555
JW485
JW559
JW593
JW471
JW425
JW626
JW561
JW616
JW421
JW534
JW565
JW621
1
5
CN554
JW463
JW587
JW447
JW572
JW588
JW507
JW408
JW622
JW441
JW550
JW617
JW585
JW619
JW586
JW474
JW657
JW576
JW567
JW636
JW517
JW477
JW512
JW468
JW483
JW613
JW440
JW625
JW612
JW535
JW453
JW497
JW624
JW659
JW411
JW482
C406
C407
CONNECTION
BOARD
CN803
(Page 43)
D
VIDEO 2
BOARD
CN173
(Page 27)
C
CONNECTION
BOARD
CN804
(Page 43)
E
DIGITAL
BOARD
CN2100
(Page 37)
N
HEADPHONE
BOARD
CNP790
(Page 45)
F
P
JW633
JW620
JW431
JW490
JW489
1-878-785-
14
(14)
MAIN BOARD
L
R
L
R
L
R
L
R
SA-CD/CD/CD-R
IN
IN
TV
AUDIO IN
SAT
L
R
AUDIO IN
BD
L
R
AUDIO IN
L
R
AUDIO OUT
CENTER
SURROUND BACK/
BI - AMP/FRONT B
L
R
SURROUND
FRONT A
OUT
J521
J522
J523
J525
TB503
SPEAKERS
TB502
TB500
VIDEO 1
L
R
POWER
TRANSFORMER
T901
(Page 33)
L
R
AUDIO OUT
SUBWOOFER
D582
D401
D402
D403
D404
D412
B
E
E
Q581
B
E
E
Q582
BE
Q583
BE
Q584
BE
Q585
B E
Q602
BE
Q603
B E
Q606
BE
Q607
B E
Q610
BE
Q611
B E
Q614
BE
Q615
B
E
E
Q421
B E
Q422
B E
Q423
B E
Q618
BE
Q619
B E
Q425
B
E
Q622
B
E
Q623
B
E
Q626
B
E
Q627
B E
Q441
B
E
E
Q451
B
E
E
Q406
D581
R408
R409
R600
R604
R605
R606
R607
D571
R610
R61
1
R612
R613
R421
R616
R617
R424
R618
R425
R619
R428
R429
R621
R622
R623
R624
R432
R627
R628
R629
R437
R630
C401
R632
C402
R633
R440
R634
R441
R442
R443
R637
R444
R638
R445
R639
R640
C604
R641
R642
C412
C606
R643
C414
R451
R646
R454
R648
R649
C610
C612
R650
R653
C617
R654 R655
C619
R656
R659
C623
R661
C625
R662
R663
R666
R667
R668
R669
C632
C634
R672
R674
C638
R675
R676
R679
C640
R680
R681
C645
R682
C647
R685
R687
R688
R689
C653
R692
R693 R694
C658
R695
D406
R698
D600
D601
D602
C663
D603
D604
D605
D606
D607
C668
D608
D609
D610
D611
D612
C673
D613
D614
D421
D615
D422
D616
D423
D617
C678
D425
C683
C685
C686
C687
C688
C689
C690
C691
C693
C694
C695
D441
D451
R700
R701
R702
R705
R706
R707 R708
R71
1
R713
R714
R521
R715
R522
R523
R524
R718
R525
R719
R526
R527
R720
R721
R530
R724
R531
R532
R726
R533
R727
R534
R728
R535
R536
CC500
R731
CC501
R732
R733
R734
R735
R736
R737
R738
R739
R740
R741
R742
R743
R744
R551
R745
R552
R746
R747
R748
R749
R750
R751
CC521
R752
CC522
R753
CC523
R754
CC524
CC525
CC526
CC527
CC528
CC529
CC530
CC531
CC532
CC533
CC534
R571
C535
R572
CC536
R573
C537
R581
R582
R583
R584
R585
R586
C551 C552
C555 C556
C557
CC504
CC506
CC507
CC508
C703
C702
C701
CC505
R755
JR401
JR402
JR403
JR404
JR405
20
21
41
60
40
61
80
1
IC551
R756
(CHASSIS)
C700
C699
C697
C698
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
JW658
HS412
HS407
5-9. PRINTED WIRING BOARD — MAIN BOARD — • Refer to page 10 for Circuit Boards Location.
: Uses unleaded solder.
Ver. 1.4
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