Sony HCD-GX750 / HCD-RG551 / HCD-RX550 / MHC-GX750 / MHC-RG551S Service Manual ▷ View online
37
37
HCD-GX750/RG551/RX550
5-14. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 53 for IC Block Diagrams.
IC B/D
IC B/D
C311
D301
D304
D303
C309
C312
C313
C318
D305
D306
D307
Q322
R263
R264
R265
R266
R262
C253
R253
C315
R247
Q324
R250
R251
R249
EP301
D
3
0
9
D310
D
3
1
2
D311
R384
R379
R375
R378
C375
C372
Q361
R361
R362
R364
R363
Q351
C351
Q352
R344
R245
C266
HE1
C265
C308
R307
R306
R308
R311
R310
R313
R274
Q313
Q309
Q314
R322
R324
D321
R325
D316
R323
IC
3
0
1
IC
3
0
4
Q323
C250
Q321
Q327
D214
D213
D212
IC
3
0
3
C241
D211
C316
Q362
C270
R356
R353
R352
R351
R357
R354
R358
R
3
4
8
IC201
C249
HRP1
HRP2
HP1
HP2
D313
C251
R
2
1
3
R
2
1
4
C376
D322
Q315
R321
D215
C354
C342
CN301
R343
R347
R248
CN103
C244
C242
R241
R246
R371
C374
D302
C303
C304
C302
C301
R275
C252
C259
R383
R382
Q308
JW301
CN112
C264
C353
CN303
C306
JW303
JW302
JW305
IC371
D
3
0
8
C305
R381
CN302
R380
R312
R273
IC
3
0
2
C310
R242
C243
R243
R252
L101
C246
R244
C248
C371
R342
R341
R345
R346
C352
C258
C321
R377
R376
R374
C373
R373
R372
C267
CN101
D314
D315
(Page 48)
(Page 51)
(Page 40)
(Page 35)
(Page 36)
39
39
HCD-GX750/RG551/RX550
(Page 42)
5-16. PRINTED WIRING BOARDS — PANEL SECTION — • Refer to page 30 for Circuit Boards Location.
: Uses unleaded solder.
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
Administrator
SV-HCDGX750-PANEL
CN873
JR622
JR623
JR614
D624
D627
JR612
D606
R724
R726
JR611
R742
C634
C633
R743
C632
R741
C631
R740
C630
R739
C629
R738
C628
R744
C635
R745
C636
R746
C637
R747
C638
R748
C639
R749
C640
R750
R737
R751
R752
R753
R754
R755
R756
R757
R758
R759
R760
R761
R762
R763
R764
R765
R766
R767
R768
R769
R770
D620
D621
D623
D625
IC601
R771
R716
R718
R792
R793
R795
R796
R794
R717
R719
C641
R777
R778
R776
R775
R774
R677
C621
R785
R781
R782
R783
R780
R779
R779
R627
R628
R629
R646
R645
R647
R676
R635
R697
R693
R690
R696
R695
R694
R691
R692
R664
R734
R665
R667
R666
R626
R648
R649
R650
R651
R663
R652
R678
R617
R616
R608
R607
R615
R798
R799
R618
R601
R619
R602
R611
R606
R603
R613
R797
R612
R614
R620
D630
R789
R773
D631
C643
R787
R784
R637
R636
R668
R610
R790
R609
R604
R605
R669
R670
R723
R733
R728
R727
R732
C625
C624
C626
R730
R729
R725
D610
C613
C655
R708
D616
R621
R625
R624
R622
D615
R702
R700
R704
R623
C618
JR621
R706
Q613
Q615
Q614
R698
R722
R713
R712
C617
R711
R710
R721
Q611
Q612
Q610
R679
D611
D609
R863
IC603
IC604
C642
R671
R720
R657
R658
R656
R655
R654
R653
R735
R675
R642
R736
R661
R662
JR608
JR609
JR617
R634
C603
R633
C602
R632
C601
IC602
R659
JR607
R638
R660
R731
C604
R672
R643
R644
R772
R683
R786
R684
Q616
D604
D605
D603
R639
R640
R641
R715
D607
R674
C607
C609
C606
C608
D632
R686
R681
C653
R680
R714
Q605
R685
D633
C611
R682
C614
D614
R689
R688
R687
D608
D613
R854
R788
R791
C649
C654
C656
JW696
JW697
JW698
JW699
JW610
JW611
JW612
JW613
JW614
JW615
JW616
JW617
JW618
JW619
JW621
JW622
JW623
JW624
JW627
JW628
JW629
JW630
JW633
JW637
JW639
JW643
JW644
JW645
JW646
JW647
JW648
JW651
JW652
JW653
JW654
JW657
JW661
JW662
JW663
JW664
JW665
JW666
JW667
JW668
JW669
JW671
JW672
JW675
JW676
JW677
JW678
JW679
JW680
JW681
JW682
JW683
JW686
JW687
JW688
JW689
JW690
JW692
JW693
JW694
JW695
JW700
JW710
JW711
JW713
JW715
JW717
JW719
JW720
JW725
JW726
JW727
JW730
JW731
JW732
JW733
JW734
JW735
JW736
JW737
JW738
JW739
JW740
JW741
JW743
JW744
JW745
JW746
JW747
JW748
JW749
JW750
JW751
JW752
JW753
JW754
JW755
JW756
JW757
JW758
JW759
JW760
JW761
JW762
JW763
JW764
JW765
JW766
JW767
JW768
JW769
JW770
JW771
JW772
JW773
JW774
JW775
JW776
JW777
JW778
JW779
JW780
JW785
JW786
JW787
JW788
JW789
JW790
JW791
JW792
JW793
JW794
JW795
JW796
JW797
JW798
JW799
JW800
JW801
JW802
JW803
JW804
JW805
JW806
JW807
JW808
JW809
JW810
JW813
JW815
WIRE806
JW691
JW702
JW814
JW704
JW632
JW634
S625
JW782
JW603
JW781
JW685
JW712
JW620
JW649
LED602
JW640
JW650
JW638
JW631
JW642
JW684
JW636
FL601
S601
S602
S621
S622
S626
S627
S623
S624
S630
S629
S628
S647
JW783
S649
S650
S644
S645
S646
S610
S608
S607
S611
S612
S643
S606
S605
S642
S641
S604
S603
C623
JW714
C622
CN603
JW601
JW602
CN601
JW812
JW784
CN602
Q603
Q601
C648
JW701
JW708
JW707
JW709
JW703
JW705
C612
JW722
JW723
JW724
JW728
JW635
JW721
JW729
X602
X601
JW718
JW674
C610
Q602
CN605
CN604
JW660
JW656
JW655
JW670
JW659
JW658
C619
JW673
C646
LED601
JW608
S648
JW607
JW641
JW606
JW626
C647
JW811
C644
C620
C605
Q604
C615
JW716
CN608
JW706
JW625
JR624
IC610
CN610
(Page 38)
(Page 42)
(Page 42)
D603
C-12
D604
C-12
D605
C-12
D606
E-9
D607
C-11
D608
E-9
D609
E-9
D610
E-10
D611
E-9
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D613
E-10
D614
D-10
D615
G-7
D616
G-7
D620
B-7
D621
B-6
D623
B-6
D624
B-6
D625
B-6
D627
B-6
D630
G-4
D631
D-10
D632
D-10
D633
D-9
IC601
C-7
IC602
E-12
IC603
E-10
IC604
D-10
IC610
A-14
LED601
C-12
LED602
G-12
Q601
H-7
Q602
G-7
Q603
H-7
Ref. No.
Location
Ref. No.
Location
Q604
B-11
Q605
D-9
Q610
G-9
Q611
G-8
Q612
G-8
Q613
G-9
Q614
G-9
Q615
G-9
Q616
B-11
Ref. No.
Location
40
40
HCD-GX750/RG551/RX550
5-17. SCHEMATIC DIAGRAM — PANEL SECTION (1/2) — • Refer to page 53 for IC Block Diagram.
IC B/D
R635
R691
R692
R693
R694
R695
R696
R697
Q610
CN604
R627
R690
C655
R720
R671
R721
R722
R659
R660
R661
R662
R658
R657
R656
R655
R654
R653
R675
R676
R664
R665
R666
R667
R668
R669
R670
R663
R652
R651
R650
R649
R648
R647
R646
R645
R644
R643
R642
R674
S601
S602
S603
S604
S605
S606
S607
S608
S610
S611
S612
S630
S629
S628
S627
S624
S623
S622
S621
S641
S642
S643
S644
S645
S646
S647
S649
S648
S650
S626
CN601
D604
D603
R641
C605
R640
R639
D605
R704
R706
R708
R700
R702
JW660
JW659
CN605
Q612
Q611
Q614
Q615
Q613
JW601
JW602
R629
R698
JW674
JW718
JW705
JW655
JW656
JW658
IC602
R672
R731
JW811
R638
C644
C604
R632
JW626
JW641
C601
C602
C603
JW625
R633
JW716
JW703
JW701
JW714
JW635
R634
R726
JW649
LED602
R724
S625
R628
R854
JR607
JR608
JR609
JW650
(Page 41)
(Page 43)
(Page 43)
(Page 37)
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