Sony HCD-GX355 / HCD-GX555 / HCD-RG270 / HCD-RG475 / HCD-RG575 / MHC-GX355 / MHC-GX555 / MHC-RG270 / MHC-RG475S / MHC-RG575S Service Manual ▷ View online
HCD-GX355/GX555/RG270/RG475/RG575
41
41
HCD-GX355/GX555/RG270/RG475/RG575
6-20. SCHEMATIC DIAGRAM – AUDIO IN, MIC, HEADPHONE Boards –
•
See page 50 for IC Block Diagrams.
R814
C811
C814
R860
C861
IC801(1/2)
D851
R813
C815
R818
R817
C818
C819
R816
R815
C817
R812
C809
R810
R808
C810
R819
R811
C807
R809
C803
R807
C802
R804
R803
R806
C801
R805
R862
R861
R851
C870
C869
C868
R855
R859
R858
R857
C867
C864
C865
C862
C853
C854
R853
R852
C857
C858
C856
R854
C859
C851
C852
C808
R856
C833
IC802
CN801
C816
VR851
C863
R802
R801
Q801
JR801
JR802
JK801
JK802
W801
VR801
CN751
R751
R752
J751
J701
CN701
JW701
C781
C782
IC801(2/2)
C805
C813
220k
0.1
50V
2.2
50V
50V
100k
1
50V
BA4558F-E2
UDZSTE-17-5.1B
10k
47p
4.7k
4.7k
10
16V
0.1
100k
100
2.2
50V
50V
100
10
16V
1k
10k
470p
220k
47k
1000p
100k
0.022
10k
1000p
2.2k
4.7k
100k
10
16V
100k
470
470
22k
47
16V
47
16V
0.022
22k
22k
22k
22k
0.047
1000p
4700p
0.047
0.047
0.022
22k
22k
0.47
50V
0.47
50V
4700p
47k
0.1
1
50V
1000p
220p
10k
0.1
M65850FP
6P
220p
50K
2.2
50V
2.2k
4.7k
2SC3052
0
0
50K
5P
10k
2.2k
5P
1000p
1000p
BA4558F-E2
0.022
100
16V
MIC SIG
MIC +10V
MIC CTL
MIC GND
(CHASSIS)
(E2,E51,AR)
(E2,E51,AR)
MIC 1
(MX)
MIC 2
(MX)
MIC
LEVEL
LEVEL
ECHO
NC
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
NC
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
(MX)
GND
LINE IN-R
LINE IN-L
GND
DETECT
AUDIO IN
HP CTL
HP-GND
L-OUT
R-OUT
D-GND
PHONES
MIC
(E2,E51,AR)
MUTING
2
1
4
8
5
6
7
MIC AMP
ECHO AMP
3
(E2,E51,MX,AR)
(Page 34)
(Page 34)
(Page 34)
Ver. 1.1
HCD-GX355/GX555/RG270/RG475/RG575
42
42
HCD-GX355/GX555/RG270/RG475/RG575
6-21. PRINTED WIRING BOARDS – CD-G Section – (MX model only)
CN1004
L1001
L1002
Q1008
FB1001
JR1001
R1015
R1021
R1022
R1023
R1031
R1032
R1036
R1037
R1038
C1018
C1019
C1005
C1006
C1011
C1004
C1025
C1027
C1029
C1002
C1031
C1001
X1002
C1030
C1028
C1024
C1023
C1013
C1012
Q1007
C1008
C1010
C1026
E
E
1-865-725-
11
(11)
CD-G BOARD
(COMPONENT SIDE)
1
3
C1003
R1003
R1004
R1005
R1006
R1011
R1012
R1013
R1016
R1017
CN1001
R1020
R1029
R1030
R1033
R1034
R1035
C1015
C1016
C1022
C1007
C1014
Q1001
Q1002
Q1005
Q1006
Q1009
Q1010
CD-G BOARD
(CONDUCTOR SIDE)
1-865-725-
11
(11)
E
E
E
E
E
E
MAIN BOARD
CN331
B
IC1002
CN803
C803
VIDEO OUT
BOARD
1-865-726-
11, 21
(11, 21)
J803
VIDEO
OUT
A
B
C
D
1
2
3
4
5
6
7
R1051
IC1001
IC1005
IC1006
IC1003
(Page 32)
: Uses unleaded solder.
•
See page 25 for Circuit Boards Location.
•
Semiconductor
Location
Location
Ref. No. Location
IC1001
C-4
IC1002
C-6
IC1003
D-3
IC1005
B-3
IC1006
A-4
Q1001
C-6
Q1002
C-7
Q1005
B-7
Q1006
C-7
Q1007
C-3
Q1008
D-3
Q1009
B-7
Q1010
A-6
HCD-GX355/GX555/RG270/RG475/RG575
43
43
HCD-GX355/GX555/RG270/RG475/RG575
6-22. SCHEMATIC DIAGRAM – CD-G Section – (MX model only)
•
See page 50 for Waveforms.
•
See page 50 for IC Block Diagrams.
•
See page 60 for IC Pin Function Description.
IC1001
C1027
R1015
C1003
C1005
C1006
C1019
C1018
C1016
R1016
R1017
R1037
R1036
R1038
R1005
R1011
C1023
R1012
C1013
C1025
C1007
JR1001
C1031
C1022
R1029
R1013
C1004
R1006
C1024
R1030
R1031
FB1001
C1008
C1010
IC1003
µPC2905
R1033
R1034
R1035
Q1007
IC1002
C1001
R1004
R1020
R1003
R1022
R1021
X1002
R1032
C1015
Q1006
Q1002
C1029
C1014
C1012
Q1005
CN1001
CN1004
C1011
Q1009
IC1005
CN803
C803
R1023
C1028
C1002
L1001
J803
Q1008
L1002
R1051
Q1010
C1026
C1030
Q1001
IC1006
TC9411AFG
220p
100
0.01
0.01
0.01
22p
22p
0
10k
10k
0.0022
0.0047
470P
2.2k
4.7k
1
50V
10k
100 6.3V
0.01
0.01
0
1
50V
22p
1k
2.2k
0.01
4.7k
100
6.3V
22k
75
0
1
50V
100
6.3V
2.2k
2.2k
2.2k
RT1N441C-T
P-1
MSM514400E-60TS
0.01
2.2k
10k
4.7k
220
220
14.31818MHz
10k
0.01
RT1P141C-T
P-1
RT1N441C-T
P-1
0.001
0.01
47
6.3V
RT1N441C-T
P-1
13P
3P
0.01
RT1P141C-T
P-1
SN74AHCT04NSR
2P
0.1
220
100
6.3V
0.01
0
2SB1122
10
10
RT1N441C-T
P-1
1000
6.3V
6.3V
22
6.3V
RT1N441C-TP-1
NJM2561F
SBSO
EXCK
_RST
CDG/_BGC
CDG-DET
SCOR
WFCK
SBSO
EXCK
CDG-POWER
VMUTE
A4
A4
A5
A5
A6
A6
A7
A7
OE
OE
DQ3
DQ4
DQ3
DQ4
_RST
CDG/_BGC
CDG-DET
CDG-POWER
VMUTE
SCOR
WFCK
SESUB
CLCK
DATA
SBSY
SFSY
MUTE
VDD1
VSS1
MCE
MCDO
MCDI
MCCK
VA0
VA1
VA2
VA3
VA7
VSS2
VDD2
VD0
VD1
VD2
VD3
VA4
VA5
VA6
WE
RAS
CAS
BLNKIN
BIN
GIN
RIN
GDET
VON
TEST1
TEST2
LINESW
VREF
AVDD
VDOUT
AVSS
BIAS1
BIAS2
VSS3
VDD3
QNG
PNG
DEN
FSC
SENTSC
PDOWN
XI2
XO2
XI1
XO1
HSYNC
VSYNC
RESET
DQ1
DQ2
A9
A0
A1
A2
A3
VCC
A4
A5
A6
A7
A8
DQ3
DQ4
VSS
OE
1A
1Y
2A
2Y
3A
3Y
GND
4Y
4A
5Y
5A
6Y
6A
VCC
SCOR
WFCK
SBSO
EXCK
GND
CDG/_BGC
CDG-DET
CDG-POWER
MUTE_DATA
(AMUTE)
_CDG-RST
VIN
GND
VOUT
VSAG
VCC
SAVE
_PWR
_PWR
VMUTE
CNG409.ULA
(VIDEO MUTE)
(CD-POWER)
(SCOR)
GND
VIDEO
GND
GND
+9V
RAS
WE
CAS
OE
GND
VIDEO OUT
VIDEO OUT
D-RAM
Q1007,1008
B+ SWITCH
+5V REGULATOR
O
I
G
VIDEO AMP
VIDEO MUTING
LEVEL SHIFT
SCHMIT
TRIGGER
Q1005,1009
Q1002,1006
LEVEL SHIFT
Q1001
NTSC/PAL SWITCH
CD GRAPHICS DECODER
(Page 35)
HCD-GX355/GX555/RG270/RG475/RG575
44
44
HCD-GX355/GX555/RG270/RG475/RG575
6-23. PRINTED WIRING BOARD – PANEL Section (1/2) –
E
JW
604
JW605
JW606
JW607
JW
608
JW
609
JW
610
JW
611
JW
612
JW
613
JW
614
JW
615
JW
616
JW
617
JW
618
JW
619
JW
620
JW
621
JW
622
JW
623
JW
624
JW
625
JW
626
JW627
JW628
JW629
JW630
JW631
JW632
JW633
JW634
JW635
JW636
JW637
JW638
JW639
JW640
JW641
JW642
JW643
JW644
JW645
JW
648
JW
649
JW
650
JW651
JW652
JW653
JW654
JW655
JW
657
JW
6
58
JW
659
JW
660
JW
662
JW663
JW
664
JW
6
65
JW666
JW
669
JW670
JW671
JW672
JW673
JW674
JW675
JW676
JW677
JW
67
8
JW
679
JW
680
JW
681
JW682
JW683
JW684
JW685
JW686
JW687
JW688
JW689
JW690
JW
69
1
JW
6
92
JW
646
JW
647
JW
661
JW668
JW667
CN602
S631
S632
S621
S633
S622
S634
S
602
S611
S641
S642
S643
S644
S645
S646
D605
D602
D611
S601
S612
S613
S614
S615
S616
S617
FL701
FLOURESCENT
INDICATOR TUBE
CN601
C702
C709
C712
C625
C622
C621
X701
S648
S647
D608
D604
D606
D603
D601
C631
R608
R
706
R
707
C708
C
711
C
707
R704
R682
Q602
R620
R607
R
623
R648
R627
R619
R
703
R
702
C
703
R
701
Q605
R625
R622
R621
R684
R683
R685
R672
R673
R680
R681
R670
R671
R709
R
662
R663
R664
R665
R666
R667
R652
R651
R650
R
660
R
6
61
R696
R695
R694
R
693
R
692
R
691
R
690
R
705
C701
R605
R615
R609
R602
R612
R647
R645
R646
C710
R70
8
R633
R639
C704
Q604
Q603
Q606
Q608
Q601
R698
R697
R618
R604
R614
R606
R616
R603
R613
R
611
R601
R631
R635
R637
R641
R629
R628
ILLUMINATION
PLAY MODE/
TUNING MODE
MULTI PLEX
1-865-470 -
11
(11)
PANEL BOARD
E
ENTER
EFFECT ON/OFF
SURROUND
PRESET EQ
GROOVE
TUNER/BAND
TAPE A/B
AUDIO IN
CD SYNC
REC PAUSE/
START
CD
P FILE
DISPLAY
E
E
(GX555/RG475/RG575)
(GX555/RG475/RG575)
E
20
21
61
60
41
40
80
1
(GX555/RG475/RG575)
(GX555/RG475/RG575)
GX555/RG270:MX
/RG475/RG575
(GX555/RG475/RG575)
VOL BOARD
CN603
P
1
5
MAIN
BOARD
CN991
D
S601, 602, 611 – 617, 621, 622,
S631 – 634, 641 – 648
Z
(CD)
DISC SKIP/
EX- CHANGE
DISC 3
DISC 2
DISC 1
SUB WOOFER
ON/OFF
D608, S647
(MX)
1
3
5
4
STANDBY
E
E
D601 – 606
(STREAM)
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
11
IC701
IC610
(Page 45)
(Page 32)
: Uses unleaded solder.
•
See page 25 for Circuit Boards Location.
Q601
E-9
Q602
E-9
Q603
D-9
Q604
D-4
Q605
E-4
Q606
E-4
Q608
B-3
Ref. No. Location
Ref. No. Location
D601
E-8
D602
E-8
D603
D-8
D604
D-4
D605
E-4
D606
E-4
D608
B-2
D611
B-10
IC610
B-4
IC701
D-7
•
Semiconductor Location
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