Sony HCD-RG444 Service Manual ▷ View online
42
42
HCD-RG444
HCD-RG444
7-14. SCHEMATIC DIAGRAM – PANEL SECTION (1/2) –
38
38
36
31
A18
A17
BU1924 DATA
BU1924 CLK
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
31P
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
JW784
JW783
• See page 49 for IC Block Diagrams.
43
43
HCD-RG444
HCD-RG444
7-15. SCHEMATIC DIAGRAM – PANEL SECTION (2/2) –
• See page 53 for IC Pin Function Description.
38
A18
A17
R732
R717
R73
3
R
7
34
R
735
R605
R
603
R
60
1
R
602
R604
R
736
R771
R784
R787
R
72
3
R
725
R773
R75
0
R
751
R
752
R
753
R
754
R
755
R
756
R
7
57
R
758
R
759
R
760
R
761
R762
R
763
R
76
4
R
765
R7
66
R
767
R
768
R
769
R
770
R
788
R
791
R
7
92
R
79
3
R
794
R
795
R
796
C654
R738
R739
R740
R741
R742
R743
R744
R745
R746
R747
R748
R621
R623
R625
R681
R680
R
729
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
R60
7
R
60
6
C648
C641
C618
C617
IC601
C649
C653
C607
D609
D611
R
727
R7
28
X
601
C
625
C624
C610
C611
X602
C647
D630
R678
D607
R679
R863
C646
C606
C608
C609
Q604
R684
R683
R786
Q616
D631
R688
D613
R689
C615
IC604
D632
R687
C614
R685
R686
Q605
C613
C612
D608
IC603
IC610
CN610
CN608
C623
C628
C
6
29
C
6
30
C
631
C632
C
633
C634
C6
35
C
6
36
C
637
C
63
8
C
639
C
64
0
C622
R716
R718
R719
LED601
C621
C620
R772
JW673
JW721
JW670
JW724
JW723
JW728
JW729
JW722
JW
708
JW
709
C64
2
R714
R715
C619
R785
R782
R781
R779
R776
R783
R780
R774
R682
D614
R
630
R
631
CN603
JR621
Q601
R677
D622
D
62
3
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
100
k
100k
100
k
1
00
k
1
00
k
1
00
k
100
k
1
00
k
1
00
k
1
00
k
1
00k
1
00
k
1
00
k
1
00
k
1
00k
100
k
1
00
k
100k
100k
100k
100k
100
100
1
00
10
0
1
00
100
10
0
0.1
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
100k
10k
10k
10k
220k
27k
100
100
10
10
10k
10k
100k
100
100
100
100k
47k
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
.7M
4.7M
32.7
68K
H
z
22p
18p
1000
6.3V
6.3V
0.1
10MHz
47
10V
1SS355TE-17
100k
1SS355TE-17
82
68
22
16V
1
0.01
1
2SA1175TP-HFE
1k
220k
10k
DTC143EKA-T146
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
470
10k
1SS355TE-17
0
2SB1068TP-K
0
0.1
0.1
0
WIRE
(CHASSIS)
100
100
10
0
JR
10k
10k
JW
JW
JW
JW
JW
JW
LC876996A
-53H2-E
JW
JW
JW
JW
JW
JW
JW
JW
JW
JW
100
100
100
100
100
470
100
100
1
00
17P
1SS355TE-17
1S
S355T
E-17
D
62
0
1SS
3
55T
E-17
D6
21
1
S
S355TE
-17
1SS355TE-17
FL
• See page 25 for Waveforms.
44
44
HCD-RG444
HCD-RG444
7-16. PRINTED WIRING BOARD – TRANS SECTION –
• See page 25 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 34)
F
AMP
BOARD
CN442
(Page 45)
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
45
45
HCD-RG444
HCD-RG444
7-17. PRINTED WIRING BOARD – AMP SECTION –
• See page 25 for Circuit Boards Location. •
: Uses unleaded solder.
Ref. No.
Location
D401
F-3
D441
D-6
D442
D-6
D443
D-2
D481
D-6
D482
D-4
D483
C-9
IC441
B-7
Q441
D-6
Q442
D-6
Q481
D-9
Q482
D-8
Q483
D-8
Q484
D-8
Q485
C-4
Q486
C-4
Q487
C-4
Q488
C-5
Q489
C-9
• Semiconductor
Location
IC441
SPEAKER
(IMPEDANCE USE 6–16 )
+
-
+
-
L
R
(CHASSIS)
(CHASSIS)
MAIN
BOARD
CN307
(Page 34)
TRANS
BOARD
CN905
(Page 44)
SUB-WOOFER
BOARD
CN502
(Page 39)
E
E
E
E
E
E
E
E
E
E
E
1
7
1
3
13
1
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
C460
C459
C455
C457
C458
C456
R464
R463
C491
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