Sony MHC-RG190 / MHC-RG290 (serv.man2) Service Manual ▷ View online
HCD-RG190/RG290
49
49
HCD-RG190/RG290
7-25. DIAGRAMA ESQUEMÁTICO – Placa TRANSFORMADOR (RG190) –
CN901
D902
D908
R903
R904
D906
C910
R910
C909
C911
D901
W901
RY901
JW905
JW925
JW901
S901
PT902
D905
D903
D904
R911
R914
D910
JW909
C907
F905
F904
F906
F907
JW917
CN907
CN903
C908
R908
Q902
PT901
2P
10EDB40-TB3
10EDB40-TB3
10k
1k
UDZW-TE17
-27B
100
50V
50V
10
50V
1000
25V
1SS355TE-17
10EDB40-TB3
10EDB40-TB3
10EDB40-TB3
0
10k
MC2838
0.1
T6.3AL 250V
T6.3AL 250V
T3.15A
250V
T3.15A
250V
11P
3P
220
63V
63V
1
2SB1238PQR
-TV2
22
220V
127V
ACP
GND
VF
VF
D-GND
EVER +10V
STBY-RELAY
(CHASSIS)
(AC IN)
VOLTAGE
SELECTOR
220V
0V
127V
TRANSFORMER
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
TRANSFORMER
AC1
AC1
AC3
AC4
AC4
-VFL
REGULATOR
SUB POWER
MAIN POWER
-27V
AC3
(Page 45)
(Page 37)
HCD-RG190/RG290
50
50
HCD-RG190/RG290
7-26. PLACA DE CIRCUITO IMPRESSO – Placa TRANSFORMADOR (RG290) –
: Utilizada solda sem chumbo
(Page 46)
D910
R911
R910
R914
R904
R903
D906
D901
JW925
S901
PT902
PT901
JW909
JW912
JW901
JW931
JW933
JW905
RY901
F905
F904
F907
F906
JW902
JW928
JW934
JW926
JW924
JW922
JW923
JW920
JW921
C910
C908
CN901
FH912
JW937
JW930
D908
C909
R908
JW929
CN907
CN903
Q902
JW932
C907
D902
JW917
C911
D905
D903
D904
FH911
FH909
FH910
FH908
FH907
FH913
FH914
SUB POWER
TRANSFORMER
TRANSFORMER BOARD
1-869-310-
12
(12)
(AC IN)
1
2
VOLTAGE
SELECTOR
220V T 0V t127V
(MX)
5
9
4
1
MAIN POWER
TRANSFORMER
1
7
NOT REPLACEABLE:
BUILT IN TRANSFORMER
BUILT IN TRANSFORMER
∗
∗
8
18
K
A
A
K2
MAIN
BOARD
CN001
M2
POWER
BOARD
CN442
1
1
3
11
(E2, E3, E51)
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
(Page 34)
•
Localização do
Semicondutor
Ref. No. Location
D901
A-8
D902
G-11
D903
G-11
D904
G-11
D905
G-12
D906
B-9
D908
B-8
D910
H-10
Q902
B-9
HCD-RG190/RG290
51
51
HCD-RG190/RG290
7-27. DIAGRAMA ESQUEMÁTICO – Placa TRANSFORMADOR (RG290) –
CN901
D902
D908
R903
R904
D906
C910
R910
C909
C911
D901
W901
RY901
JW905
JW925
JW901
S901
PT902
D905
D903
D904
R911
R914
D910
JW909
C907
F905
F904
F906
F907
JW917
CN907
CN903
C908
R908
Q902
PT901
2P
10EDB40-TB3
10EDB40-TB3
10k
1k
UDZW-TE17
-27B
100
50V
50V
10
50V
1000
25V
1SS355TE-17
10EDB40-TB3
10EDB40-TB3
10EDB40-TB3
0
10k
MC2838
0.1
T8AL 250V
T8AL 250V
T3.15A
250V
T3.15A
250V
11P
3P
220
63V
63V
1
2SB1238PQR
-TV2
22
220V
127V
ACP
GND
VF
VF
D-GND
EVER +10V
STBY-RELAY
(CHASSIS)
(AC IN)
VOLTAGE
SELECTOR
220V
0V
127V
TRANSFORMER
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
TRANSFORMER
AC1
AC1
AC3
AC4
AC4
-VFL
REGULATOR
SUB POWER
MAIN POWER
-27V
AC3
(Page 47)
(Page 37)
(Page 41)
HCD-RG190/RG290
52
52
HCD-RG190/RG290
•
DIAGRAMAS EM BLOCOS DO IC
– Placa CD –
IC203 BH18LB1WG-TR
THERMAL
PROTECTION
VOLTAGE
REFERENCE
CONTROL
BLOCK
OVER CURRENT
PROTECTION
VIN 1
GND 2
STBY 3
NC
4
VOUT
5
+
–
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
IC402 BA5947FM-E2
– BD Board –
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
IC303 BH15FB1WG
THERMAL
PROTECTION
VOLTAGE
REFERENCE
CONTROL
BLOCK
OVER CURRENT
PROTECTION
VIN 1
GND 2
STBY 3
NC
4
VOUT
5
+
–
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