Sony HCD-GX450 / MHC-GX450 Service Manual ▷ View online
37
37
HCD-GX450
5-13. PRINTED WIRING BOARD – PANEL SECTION –
• See page 21 for Circuit Boards Location.
•
: Uses unleaded solder.
IC610
IC602
IC604
IC603
IC601
CONNECT
BOARD
CN253
(Page 33)
MAIN
BOARD
CN302
(Page 30)
6 STREAM
LED BOARD
CN607
(Page 33)
6 STREAM
LED BOARD
CN606
(Page 33)
TAPE
MECHNISM
DECK
GAME MIXING
GAME
TUNING-
TUNER/BAND
DISPLAY
ILLUMINATION
TAPE A/B
CD
x
X
M
ALBUM–
CD SYNC
REC
PAUSE/START
PLAY MODE/
TUNING MODE
DISC 1
DISC 2
DISC 3
GROOVE
SURROUND
EQ BQND
RESET EQ
P FILE
EFFECT
ON/OFF
ON/OFF
DISC SKIP
EX-CHANGE
EX-CHANGE
ENTER
M
ALBUM+
h
TUNING+
(CHASSIS)
1
5
10
15
20
25
30
35
41
45
51
50
31
30
1
1
1
3
4
5
3
1
3
100
81
80
1
1
6
5
E
E
E
E
E
E
20
11
10
1
E
E
E
E
E
3
1
5
1
3
4
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
11
12
13
(FLUORESCENT INDICATOR TUBE)
*1
*1
LC876996A type
used for IC601
R 6 2 9
JW601
JW602
JW809
JW808
JR617
R785
R783
R782
R781
R778
R777
R776
R775
R774
R771
JR610
D626
D623
D621
R770
R717
R718
R716
R769
R768
R767
R766
R765
R764
R763
R762
R761
R760
R759
R758
R757
R756
R755
R754
R753
R752
R751
R750
R749
C640
R748
C639
R747
C638
R746
C637
R745
C636
R744
C635
R743
C634
R742
C633
R741
C632
R740
C631
R739
C630
R738
C629
R737
C628
Q616
R684
R772
R644
R643
D605
R641
R736
R642
R654
R653
R735
R675
R672
R731
R659
R638
R660
R640
D603
R639
D604
R674
CN610
R789
C620
C647
C622
C 6 2 1
C641
R719
R646
R645
R647
JW786
R 7 8 0
R 7 7 9
J W 7 9 1
C N 6 0 3
S 6 0 4
R 6 2 8
R 6 2 7
S 6 0 5
S 6 0 6
S 6 4 3
R 6 6 5
S 6 4 2
R 6 9 0
R 6 9 3
R 6 9 1
R 6 9 2
R 6 9 4
R 6 9 5
R 6 9 7
R 6 3 5
R 6 7 6
R 6 7 6
R 6 6 4
S 6 1 1
S 6 1 2
R 6 5 2
R 6 7 8
R 6 6 3 R 6 7 7
D 6 3 0
J R 6 2 2
J R 6 2 3
S 6 0 7
S 6 0 8
S 6 1 0
C648
R620
R614
R612
R797
R611
R602
R613
R603
R606
R619
R601
R618
R799
R798
R615
R617
R616
R608
R607
R610
R670
C 6 1 2
S 6 0 3
C 6 5 4
R 7 7 3
R 7 8 4
R 7 9 5
R 7 9 4
R 7 9 3
R 7 9 2
R 7 9 6
S 6 4 6
R669
R790
R609
R604
R605
R668
S 6 4 5
S 6 4 4
C 6 5 5
C N 6 0 2
R648
R649
R650
R651
R734
CN601
R 6 9 6
R667
R666
S 6 4 1
J W 7 9 0
J W 7 8 9
J W 7 8 8
J W 7 8 7
J W 7 8 0
J W 7 9 4
J W 7 9 3
J W 7 9 2
JW785
JW779
JW778
JW766
JW768
JW761
JW762
JW758
JW756
JW812
JW754
JW752
JW738
JW744
JW743
J W 8 1 0
J W 7 5 0
J W 7 4 5
J W 7 4 6
JW764
JW765
JW767
JW749
J W 7 6 0
J W 7 4 7
J W 7 4 8
JW763
JW759
JW757
JW755
JW753
JW751
JW735
JW734
JW733
JW732
JW731
JW730
JW729
JW728
JW722
JW723
JW724
JW721
JW717
JW709
JW710
JW711
JW708
JW804
JW803
JW802
JW807
JW806
JW805
JW700
JW800
JW801
JW707
JW706
JW705
JW704
J W 6 9 9
J W 6 9 8
J W 6 9 7
J W 6 9 6
F L 6 0 1
J W 6 9 5
J W 6 8 9
J W 6 9 4
C 6 4 2
C 6 4 9
R 7 8 8
JW692
JW714
JW713
JW813
JW683
JW675
JW736
JW737
JW674
JW673
JW672
JW671
JW669
JW670
JW668
JW667
JW666
JW739
JW660
J W 6 6 2
J W 6 6 1
J W 7 4 0
JW659
JW741
JW658
JW657
JW656
JW655
JW654
JW653
JW652
JW651
JW648
JW645
JW676
JW815
J W 6 7 9
J W 6 7 8
J W 6 7 7
J W 6 3 9
J W 6 3 5
J W 6 2 7
J W 6 3 3
J W 6 2 6
J W 6 2 5
J W 6 1 9
J W 6 1 8
J W 6 1 7
J W 6 1 6
J W 6 1 5
J W 6 1 0
J W 6 1 4
JW644
JW643
JW608
JW607
JW628
JW629
JW630
JW632
JW686
JW624
JW623
JW622
JW621
JW613
JW612
JW611
JW647
J W 6 6 4
J W 8 1 1
J W 6 6 3
JW682
JW681
JW680
J W 7 1 9
J W 7 2 0
JW693
JW691
JW690
R854
R636
R637
R787
R725
JR611
C613
D611
Q610
Q 6 1 1
D 6 1 6
R 6 2 4
Q 6 1 3 Q 6 1 5
C N 6 0 5
C N 6 0 4
Q 6 1 4
R 7 0 6
R621
R615
Q601
JR621
Q603
R625
R622
R626
Q602
R623
R704
R700
R702
R708
R698
R711
R710
R713
R712
C618
C617
R722
R661
C604
JR614
C601
R632
C602
R633
C603
R634
JR603
JR609
JR607
R655
R656
R658
R657
R662
R724
S 6 4 8
R 7 2 0
J W 6 6 5
S 6 4 7
J W 6 4 6
J W 6 0 6
J W 6 4 1
J W 6 3 7
J R 6 0 8
S 6 2 7
S 6 2 3
J W 6 3 4
S 6 2 7
C 6 1 5
C 6 0 8
R 6 8 5
R 6 7 1
S 6 2 4
S 6 2 8
S 6 2 9
R 7 2 1
S 6 5 0
S 6 3 0
S 6 4 9
Q 6 1 2
D609
C609
C606
C646
R686
R728
C 6 4 3
R 7 3 3
X 6 0 2
Q 6 0 5
R 7 2 3
R727
R732
X601
C625
C624
C626
C607
R681
R680
C653
R714
JR612
R729
R730
R679
R863
C610
D 6 1 4
D 6 3 1
C 6 1 4
S 6 2 6
S 6 2 1
J R 6 2 4
S 6 2 2
C 6 1 1
R 6 8 2
R 6 8 9
R 6 8 7
C 6 1 9
C 6 2 3
Q 6 0 4
R 6 8 3
R 7 8 6
S 6 0 2
L E D 6 0 1
S 6 0 1
R 7 9 1
R688
D608
D632
C644
C605
D607
R715
D610
D613
CN608
JW688
JW687
W I R E 8 0 6
JW814
JW703
JW702
JW701
JW716
JW715
JW718
JW725
JW726
JW727
JW769
JW770
JW777
JW776
JW775
JW774
JW773
JW772
JW771
J W 7 9 9
J W 7 9 8
J W 7 9 7
J W 7 9 6
J W 7 9 5
Ver. 1.1
*1 IC601, R789
When IC601 is exchanged for LC876A type,
remove R789. (R789 : Location C-4)
When IC601 is exchanged for LC876A type,
remove R789. (R789 : Location C-4)
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D603
C-11
D604
C-11
D605
C-10
D607
C-10
D608
D-8
D609
D-8
D610
D-8
D611
D-8
D613
D-9
D614
C-9
D615
F-6
D616
F-6
D621
B-6
D623
B-6
D626
B-5
D630
E-4
D631
C-8
D632
C-9
IC601
C-7
IC602
D-11
IC603
D-9
IC604
C-8
IC610
C-12
LED601
B-11
Q601
F-6
Q602
F-7
Q603
F-6
Q604
B-9
Q605
C-8
Q610
E-8
Q611
E-7
Q612
E-7
Q613
F-7
Q614
F-8
Q615
F-8
Q616
A-9
Original Part
Repair Part
6-804-130-01 LC876996A-52S4-E
6-804-130-01 LC876996A-52S4-E
1
This IC is not compatible with
2
and
3
.
6-804-440-01 LC876996A-53H2-E
6-804-440-01 LC876996A-53H2-E
or
2
6-805-469-01 LC876A96A-55D8-E
When the above IC is exchanged,
remove R789.
3
6-805-469-01 LC876A96A-55D8-E
6-805-469-01 LC876A96A-55D8-E
Attention when exchanging IC601
38
38
HCD-GX450
5-14. SCHEMATIC DIAGRAM – PANEL SECTION (1/2) –
R635
R691
R692
R693
R694
R695
R696
R697
R731
R
634
R
63
2
R
633
JW811
JW
65
5
JW
6
5
6
JW
65
8
JW
674
JW
705
JW
718
JW
635
JW
701
JW
714
JW659
R672
JW601
JW602
R629
JW660
Q610
Q612
Q611
Q614
Q615
Q613
R698
CN604
CN605
R854
R628
R627
R690
C
655
JW641
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
IC602
R704
R706
R708
R700
R702
C601
C602
C603
C644
C604
JR
608
JR
607
JR609
JW
62
6
JW
625
JW
716
JW
7
03
S626
CN601
D604
D603
R641
C605
R640
R639
R638
D605
100
100
100
100
100
100
100
100
10
DTC143EKA
-T146
220
6P
220
10k
10k
100
0
.1
6.8k
4.7k
10k
15k
3.3k
4.7k
6.8k
10k
2.2k
1.5k
1.5k
1k
680
470
15k
15k
470
680
1k
1.5k
1.5k
2.2k
3.3k
22k
15k
10k
6.8k
4.7k
3.3k
2.2k
1.5k
1.5k
1k
680
470
15k
29P
1SS355TE-17
1SS355TE-17
220k
4.7
50V
50V
12k
4.7k
1SS355TE-17
100
100
10
0
100
JW
JW
JW
JW
JW
JW
JW
JW
JW
JW
JW
10k
JW
DTC143EKA-
T146
DTC143EKA-
T146
DTC143EKA-
T146
DTC143EKA-
T146
DTC143EKA-
T146
5P
JW
BU2099FV
220
220
220
220
220
22p
22p
22p
10
16V
0.1
25V
25V
0
0
0
JW
JW
JW
JW
100
39
39
HCD-GX450
5-15. SCHEMATIC DIAGRAM – PANEL SECTION (2/2) –
• See page 49 for IC PIN FUNCTION DESCRIPTION.
R732
R717
R
7
33
R
734
R
735
R605
R60
3
R
601
R
602
R604
R
73
6
R771
R784
R787
R
7
23
R
725
R773
R
75
0
R
75
1
R
752
R
753
R
75
4
R
755
R
756
R
7
57
R
7
58
R
75
9
R
760
R
76
1
R
762
R
763
R
764
R
765
R
76
6
R
767
R
768
R
769
R
770
R788
R791
R
792
R
79
3
R
794
R
7
95
R
796
C654
R738
R739
R740
R741
R742
R743
R744
R745
R746
R747
R748
R621
R623
R625
R681
R680
R
7
29
R
730
R712
R713
R710
R711
R749
R777
R778
R775
JR617
R
637
R
636
R737
R789
JW812
JW707
JW706
R608
R622
JW607
Q602
JW608
D616
R626
R798
R616
R799
R618
R620
Q603
R615
R617
R619
D615
R624
JW606
R613
R797
R612
R614
R611
R609
R790
R610
CN602
R607
R
60
6
C648
C641
C618
C617
IC601
C649
C653
C607
D609
D611
R
727
R
7
28
X
601
C
625
C624
C610
C611
X602
C647
D630
R678
D607
R679
R863
C646
C606
C608
C609
Q604
R684
R683
R786
Q616
D610
D631
R688
D613
R689
C615
IC604
D632
R687
C614
R685
R686
Q605
C613
C612
D608
IC603
IC610
CN610
CN608
C623
C628
C
629
C
630
C
63
1
C6
32
C6
33
C
63
4
C635
C
636
C
63
7
C638
C
639
C
640
C622
R716
R718
R719
LED601
C621
C620
R772
JW673
JW721
JW670
JW724
JW723
JW728
JW729
JW722
JW
7
08
JW
709
C
642
R714
R715
C619
R785
R782
R781
R779
R776
R783
R780
R774
R682
D614
JR
611
JR
612
CN603
JR621
Q601
R677
D621
D
623
D626
FL601
C643
C626
JR624
WIRE806
470k
3.3k
100
1
k
1k
4.7k
4.7k
4.7k
4.7k
47k
1k
47k
100
100
10
0k
10
0k
10
0k
100k
10
0k
10
0k
10
0k
10
0k
10
0k
100k
10
0k
10
0k
10
0k
10
0k
100k
10
0k
10
0k
100k
100k
100k
100k
10
0
100
1
00
10
0
1
00
1
00
10
0
0.1
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
10k
10k
10k
220k
22k
1
00
100
10
10
10k
10k
100k
100
100
100
100k
*
1
*1 R789
47K: LC876996A type used for IC601
no mount: LC876A96A type used for IC601
47K: LC876996A type used for IC601
no mount: LC876A96A type used for IC601
4.7k
1k
2SB1116-TP-LK
1SS355TE-17
1k
1k
10k
1k
10k
22k
2SB1116-TP-LK
22k
22k
22k
1SS355TE-17
1k
22k
1k
10k
22k
22k
22k
1k
10k
13P
47k
4.7k
22
16V
0.1
25V
25V
1000p
1000p
0.1
330p
1000p
1SS355TE-17
1SS355TE-17
4.7
M
4.7M
3
2.768K
H
z
2
2p
18p
1000
6.3V
6.3V
0.1
10MHz
47
10V
1SS355TE-17
100k
1SS355TE-17
100
100
22
16V
1
0.01
1
2SA1175TP-HFE
1k
220k
10k
DTC143EKA-T146
UDZSTE
-174.3B
UDZSTE
-176.8B
470
1SS355TE-17
4.7k
2.2
50V
50V
M62703ML
UDZSTE
-173.6B
10k
0.1
47k
47k
2SC3052F
0.1
10
16V
1SS355TE-17
MM1574A
RPM7240-H4
3P
3P
4.7
50V
50V
100p
100p
100p
100
p
100p
100p
100p
100p
100p
100p
10
0p
10
0p
100
p
4.7
50V
50V
22k
22k
3.3k
SELU5223C
-STP15
0.022
47
35V
1k
0.1
100
47
47
10V
100
10k
1SS355TE-17
0
2SB1068TP-K
0
0.1
0.1
0
WIRE
(CHASSIS)
100
100
100
JR
10k
10k
JW
JW
JW
JW
JW
JW
LC876996A-52S4-E
LC876996A-53H2-E
LC876A96A-55D8-E
LC876996A-53H2-E
LC876A96A-55D8-E
JW
JW
JW
JW
JW
JW
JW
JW
JW
JW
100
100
100
100
100
470
100
0
0
17P
1SS355TE-17
1S
S3
55T
E-17
1SS355TE-17
FL
*
1
*1 IC601, R789
When IC601 is exchanged for LC876A type,
remove R789.
Refer to Attention when exchanging IC601 (Page 37).
When IC601 is exchanged for LC876A type,
remove R789.
Refer to Attention when exchanging IC601 (Page 37).
Ver. 1.1
40
40
HCD-GX450
5-16. PRINTED WIRING BOARD – TRANS SECTION –
• See page 21 for Circuit Boards Location.
•
: Uses unleaded solder.
Ref. No.
Location
D901
B-3
D902
B-2
D903
B-2
D904
B-2
D905
B-2
D906
C-10
D908
C-8
Q902
C-9
• Semiconductor
Location
*
*
Not replaceable
built in transformer
built in transformer
POWER TRANSFORMER
(MAIN)
POWER TRANSFORMER
(SUB)
1
1
1
3
3
2
E
1
10
MAIN
BOARD
CN303
(Page 30)
F
AMP
BOARD
CN442
(Page 41)
N
1
2
1
3
AC
IN
1
2
1
2
A
B
C
D
E
F
3
4
5
6
7
8
9
10
11
12
D904
D905
D902
D903
JW918
JW923
JW906
JW922
JW921
JW920
JW902
JW924
JW910
JW903
CN901
CN904
R902
LP903
CN906
C906
C908
Q902
JW900
C909
FH907
F904
FH908
FH909
F905
FH910
FH911
FH913
F906
F907
FH912
FH914
JW926
JW917
CN905
C920
C921
C922
C924
C923
LP902
C926
CN907
C925
JW930
JW929
JW909
R903
R904
D906
C910
PT901
C911
D908
R908
CN903
RY901
CN902
PT902
D901
LP901
Click on the first or last page to see other HCD-GX450 / MHC-GX450 service manuals if exist.