Sony MHC-RG270 / MHC-RG475S / MHC-RG575S Service Manual ▷ View online
HCD-RG270/RG475/RG575
45
45
HCD-RG270/RG475/RG575
6-23. PLACAS DE CIRCUITO IMPRESSO – Seção TRANS –
(Somente para RG270 e RG475)
W901
F904
F905
F906
F907
JW929
JW900
JW926
JW930
C909
C910
CN907
D908
R908
C911
CN906
C908
JW917
C907
CN905
Q902
D906
R903
R904
TRANSFORMER BOARD
1-866-062-
(CHASSIS)
M
POWER BOARD
CN442
1
3
K
MAIN BOARD
CN001
1
10
1
3
CN902
S901
JW901
JW904
JW925
JW905
JW902
JW903
JW906
JW910
CN903
PT902
SUB POWER
TRANSFORMER
JW924
JW918
D903
D905
D902
D904
RY901
CN901
D901
R913
R911
R912
R910
SUB TRANS BOARD
1-865-474-
11, 21
(11, 21)
(E2, E3, E51, EA, SP)
(E2, E3, E51, EA, SP)
(E2, E3, E51, EA, SP)
EXCEPT
E2, E3, E51, EA, SP
VOLTAGE
SELECTOR
120V
T220Vt 240V
E2, E3, E51,
EA, MX, SP
US, CND, AEP, UK,
EE, RU, AR, AUS
EXCEPT
E2, E3, E51, EA, SP
1
4
1
3
W001
(AC IN)
W902
JW908
JW907
JW912
JW909
CN904
AC1 BOARD
1-865-473-
PT901
MAIN POWER
TRANSFORMER
(AUS)
(AEP, UK, EE, RU, AR)
(E2, E3, E51, EA, SP)
US, CND, E2, E3,
E51, EA, MX, SP
(CHASSIS)
∗
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
1
4
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
(MX)
1
2
11, 21
(11, 21)
11, 21
(11, 21)
(Page 36)
(Page 32)
: Utilizada solda sem chumbo
• Localização
Semicondutor
Ref. No. Location
D901
C-6
D902
B-6
D903
B-6
D904
B-6
D905
B-6
D906
E-8
D908
E-6
Q902
E-7
HCD-RG270/RG475/RG575
46
46
HCD-RG270/RG475/RG575
6-24. DIAGRAMA ESQUEMÁTICO – Seção TRANS –
(Somente para RG270 e RG475)
CN907
CN905
RY901
R904
R903
R910
R911
R912
R913
D902
D903
D901
D908
W901
F904
F905
W902
JW909
R902
JW908
JW912
PT902
JW903
JW905
JW925
W001
C909
F906
F907
JW917
R908
C908
D905
D904
CN902
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
(CHASSIS)
(CHASSIS)
MAIN POWER
TRANSFORMER
BUILD IN TRANSFORMER
∗
(US,CND)
CN903
TRANSFORMER
SUB POWER
US,CND,AEP,UK,
EE,RU,AR,AUS
127V
0V
220V
(AC IN)
AC1
AC1
AC3
AC3
AC4
AC4
VF1
VF2
-VFL
∗NOT REPLACEABLE:
CN904 4P
VOLTAGE
SELECTOR
B- REGULATOR
(Page 37)
(Page 35)
HCD-RG270/RG475/RG575
47
47
HCD-RG270/RG475/RG575
IC101
CXD3059AR
•
Diagramas em Blocos do IC
– Placa CD –
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
Appro
x.
800 mVp-p
Appro
x.
800 mVp-p
17.2
µ
s
17.6 Vp-p
– Placa PRINCIPAL –
– CD-G Boar
d –
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 pla
y mode)
2 V/DIV
, 5 ms/DIV
– Placa PAINEL –
ea
IC601
4
(X2)
1 V/DIV
, 100 ns/DIV
– BD Boar
d – (MX model onl
y)
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)
500 mV/DIV
, 10
µ
s/DIV
2
IC101
yh
(BCK)
1 V/DIV
, 200 ns/DIV
3
IC101
uj
(XT
A
O)
1 V/DIV
, 20 ns/DIV
4
IC101
ra
(RF
A
CO)
0.2 V/DIV
, 0.5
µ
s/DIV
– Placa CD –
qa
IC101
yd
(LRCK)
1 V/DIV
, 10
µ
s/DIV
qs
IC101
yh
(BCK)
1 V/DIV
, 200 ns/DIV
qd
IC101
uj
(XT
A
O)
1 V/DIV
, 20 ns/DIV
qf
IC101
ra
(RF
A
CO)
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
E
20
F
F
26
A
A
27
B
B
28
C
C
29
D
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
•
Formas de ondas
48
HCD-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
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