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
49
49
HCD-GX355/GX555/RG270/RG475/RG575
6-28. SCHEMATIC DIAGRAM – TRANS Section –
CN907
CN905
RY901
R904
R903
R910
R911
R912
R913
D902
D903
D901
D908
W901
F904
F905
W902
JW907
JW909
R902
JW908
CN904
JW912
CN903
PT902
JW903
JW906
JW905
JW904
JW925
JW910
W001
C909
F906
F907
JW917
R908
C908
D905
D904
CN902
JW902
CN901
JW901
S901
C911
C907
C910
Q902
D906
PT901
CN906
10P
3P
1k
10k
100
220
47
47
10EDB40-TB3
10EDB40-TB3
1SS355
TE-17
10EDB40-TB3
T8A
250V
T8A
250V
3.3M
10
50V
T3.15A
250V
T3.15A 250V
1
220 63V
10EDB40-TB3
10EDB40-TB3
3P
2P
1000
25V
0.1
100
50V
50V
2SB1238
PQR-TV2
PQR-TV2
UDZS27B
3P
NEUTRAL
LIVE
GND
220V
STBY-RELAY
EVER +10V
D-GND
STBY-RELAY
EVER +10V
D-GND
240V
(CHASSIS)
(CHASSIS)
MAIN POWER
TRANSFORMER
BUILD IN TRANSFORMER
∗
US,CND,E2,E3,
AEP,UK,
EE,RU,AR
(AUS)
E2,E3,
E51,EA,SP
2P
4P (E2,E3,E51,EA,SP)
E3,E51,EA,SP
EXCEPT E2,
(US,CND)
(E2,E3,E51,EA,SP)
TRANSFORMER
SUB POWER
US,CND,AEP,UK,
EE,RU,AR,AUS
US,CND,AEP,UK,
EE,RU,AR,AUS
E2,E3,E51,
EA,MX,SP
(MX)
120V
220V
240V
E3,E51,EA,SP
EXCEPT E2,
E3,E51,EA,SP
EXCEPT E2,
(AC IN)
AC1
AC1
AC3
AC3
AC4
AC4
VF1
VF2
-VFL
∗NOT REPLACEABLE:
E51,EA,MX,SP
2P
EXCEPT E2,
E3,E51,EA,SP
(E2,E3,E51,EA,SP)
4P
VOLTAGE
SELECTOR
(E2,E3,E51,EA,SP)
(E2,E3,E51,EA,SP)
B- REGULATOR
(Page 37)
(Page 35)
Ver. 1.1
HCD-GX355/GX555/RG270/RG475/RG575
50
50
HCD-GX355/GX555/RG270/RG475/RG575
IC101
CXD3059AR
•
IC Block Diagrams
– CD Board –
30.6
µ
s
2.8 Vp-p
62.2 ns
1Vp-p
236 ns
3.4 Vp-p
70 ns
6.7 Vp-p
13.4 ms
5.1 Vp-p
22.8
µ
s
4.4 Vp-p
22.8
µ
s
4.4 Vp-p
472 ns
4.5 Vp-p
472 ns
4.5 Vp-p
59 ns
4.5 Vp-p
59 ns
4.5 Vp-p
Approx.
800 mVp-p
800 mVp-p
Approx.
800 mVp-p
800 mVp-p
17.2
µ
s
17.6 Vp-p
– MAIN Board –
– CD-G Board –
wa
IC901
qa
(XCOUT (32.768KHZ))
1 V/DIV, 10
µ
s/DIV
qa
IC1001
y;
(XO1)
2 V/DIV, 50 ns/DIV
qs
IC1001
4
(SBSY)
(CD-G play mode)
2 V/DIV, 5 ms/DIV
– PANEL Board –
ea
IC601
4
(X2)
1 V/DIV, 100 ns/DIV
– BD Board – (MX model only)
1
IC101
yd
(LRCK)
1 V/DIV, 10
µ
s/DIV
ws
IC901
qd
(XOUT (16MHZ))
500 mV/DIV, 20 ns/DIV
wd
Q201 (Collector)
(REC mode)
(REC mode)
500 mV/DIV, 10
µ
s/DIV
2
IC101
yh
(BCK)
1 V/DIV, 200 ns/DIV
3
IC101
uj
(XTAO)
1 V/DIV, 20 ns/DIV
4
IC101
ra
(RFACO)
0.2 V/DIV, 0.5
µ
s/DIV
– CD Board – (Except MX model)
qa
IC101
yd
(LRCK)
1 V/DIV, 10
µ
s/DIV
qs
IC101
yh
(BCK)
1 V/DIV, 200 ns/DIV
qd
IC101
uj
(XTAO)
1 V/DIV, 20 ns/DIV
qf
IC101
ra
(RFACO)
0.2 V/DIV, 0.5
µ
s/DIV
SERVO
INTERFACE
32
RFDCO
34
AC_SUM
35
EQ_IN
33
PDSENS
31
AVDD4
91
LMUT
92
NC
93
XTSL
94
IOVSS0
95
XTACN
96
SQSO
97
SQCK
98
SBSO
99
EXCK
1
MIRR
2
DFCT
3
FOK
9
SFDR
10
SRDR
11
TFDR
12
TRDR
13
FFDR
14
FRDR
19
E
20
F
26
A
27
B
28
C
29
D
30
NC
21
TEI
23
FEI
22
TEO
24
FEO
25
VC
5
LOCK
6
MDP
7
SSTP
4
VSS
8
IOVSS1
18
NC
15
IOVDD1
16
AVDD0
17
AVSS0
68 EMPH
66 BCK
67 VDD
71 DOUT
69 EMPHI
70 IOVDD2
64 VSS
63 LRCK
65 PCMD
75 NC
73 TES1
74 IOVSS2
78 XTAI
76 XVSS
79 XVDD
80 AVDD1
77 XTAO
72 TEST
MIRR
DFCT
FOK
TE
FE
SUM
PWM
GENERATOR
SERVO
DSP
A/D
CONVERTER
DC/DC
CONVERTER
ASYNMMETRY
CORRECTOR
SUB CODE
PROCESSOR
ERROR
CORRECTOR
32k
RAM
D/A
INTERFACE
D/A
COVERTER
SELECTOR
DIGITAL OUT
CPU INTERFACE
CLOCK
GENERATOR
SERVO
AUTO
SEQUENCER
LPF
LPF
DIGITAL
CLV
VC
ATT
39
RFC
EQ
41
RFACO
AMP
36
LD
37
PD
42
RFACI
43
AVDD3
44
BIAS
56
DDVRSEN
57
AVSS5
59
NC
54
AVDD5
58
DDCR
60
BCKI
55
DDVROUT
45
ASYI
47
VPCO
48
VCTL
49
AVSS3
46
ASYO
DIGITAL
PLL
EFM
DEMODULATOR
51
FILO
50
CLTV
52
FILI
53
PCO
38
NC
40
AVSS4
APC
112
XPCK
111
XUGF
110
WFCK
109
ATCK
101
SYSM
100
XRST
103
VSS
102
DATA
104
XLAT
106
VDD
107
SENS
105
CLOK
108
SCLK
113
GFS
116
VDD
115
SCOR
114
C2PO
117
C4M
119
COUT
118
WDCK
120
NC
82 VREFL
83 AVSS1
84 AVSS2
81 AOUT1
86 AOUT2
87 AVDD2
88 NC
89 IOVDD0
90 RMUT
85 VREFR
61 PCMDI
62 LRCKI
•
Waveforms
51
HCD-GX355/GX555/RG270/RG475/RG575
IC251
BA5947FM-E2
1
LEVEL SHIFT
MUTING
D
15
16
+
–
+
–
D
D
17
18
D
19
20
VREF
21
22
23
24
25
26
27
28
PREVCC
OPOUT
OUTVREF
CH4CAPA
CH4IN
CH3FIN
CH3RIN
GND
MUTE
POWVCC
CH3OUTF
CH3OUTR
CH4OUTF
CH4OUTR
OPIN
–
2
OPIN+
INTERFACE
14
13
D
12
11
D
10
9
8
7
6
CH2FIN
CH2RIN
GND
5
4
CH1FIN
CH1RIN
VREFIN
POWVCC
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
INTERFACE
D
D
3
SW
INTERFACE
52
HCD-GX355/GX555/RG270/RG475/RG575
IC301
TC94A34FG-002
33
34
35
36
37
38
39
40
41
42
1
8
43
57
62
58
61
56
63
52
50
47
46
45
44
48
49
25
26
27
28
29
30
31
32
17
18
19
20
21
22
23
24
9
10
11
2
3
4
5
6
7
64
55
53
51
12
13
14
15
16
54
SDO2/
/CS/
/RAS
/CS/
/RAS
PO12/
AD15/
/CAS
AD15/
/CAS
SDO3/
/OE
/OE
TXO
DIT
Bus
Switch
BUCK/
PO11/
AD14
PO11/
AD14
/CCE/
PO10/
AD13
PO10/
AD13
PO9/AD12
PO8/AD11
VDDM
General
Input/
Output
Port
Address Calc.
2sets
Y-
P
ointer
register
C-P
ointer
register
CDP
Control
I/F
Sub Code I/F
X-P
ointer
register
SRMSTB
VDDT
AD10
AD9
AD8
PO7AD7
PO6/AD6
PO5/AD5
YRAM
4k w
ord
CRAM
4k w
ord
ERAM
4k w
ord
x1
2k w
ord
x1
CR
OM
4k w
ord
x9
XRAM
4k w
ord
Timer
Flag
Interrupt
Control
SRAM/DRAM
I/F
SRAM I/F
1k bit
SRAM
X-Bus
Y
-Bus
VCO
Timing
Generator
PRAM
4k w
ord
PR
OM
4k w
ord
x5
40 bit
Instr
uction
Decoder
Prog
ram
Control
MCU I/F
register
XO/X1/X2
Y0/Y1/Y2
MX
MY
MZ
MA
C
A0
A1
AX
AY
ALU
A2
A3
round & limit
round & limit
A
udio I/F
SBSY/
BCKIB
D
ATA
/
SDI1
LRCKIA
BCKIA
SDI0
LRCKO
BCKO
SDO0
VDDT
VSS
/MIACK/
AD16
/MICK
MIDIO
/MILP
/MICS
STANDBY
/RESET
VDDP
PO4/
AD4
PO3/
AD3
PO2/
AD2
PO0/
AD0
VSS
PO1/
AD1
VDD
VSSP
VCOI
VDDX
TEST
60
VSSX
CK
O/
PO13/
AD16
MIMD
59
XI
XO
CKI/CLCK/
IRQ/FI0
VDD
VSS
PIO0/
SDI2/IO0
PIO1/
SDI3/IO1
PIO2/
IO2
PIO3/
IO3
B
US3/FI1/
PIO4/IO4
B
US2/FI2/
PIO5/IO5
B
US1/FI3/
PIO6/IO6
B
US0/
PIO7/IO7
SDO1//WE
SFSY/
LRCKIB
JT
A
G
I/F
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