Sony HCD-RV20 / HCD-RV50 / HCD-RV60 / MHC-RV20 / MHC-RV50 / MHC-RV60 Service Manual ▷ View online
41
41
HCD-RV20/RV50/RV60
3-23. PRINTED WIRING BOARD — TRANSFORMER SECTION (HCD-RV60) — • Refer to page 19 for Circuit Boards Location.
(Page 36)
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
TRANS BOARD
(11)
11
JW935
JW934
LP906
M
POWER AMP
BOARD
CN1
11
1
LP901
7
6
5
4
3
2
1
8
9
10
11
12
13
14
15
16
17
SUB POWER
TRANSFORMER
4
3
2
1
7
6
5
8
POWER TRANSFORMER
LP904
JW915
JW916
JW917
JW914
JW918
JW902
JW919
JW913
JW910
JW911
JW912
JW920
JW923
JW927
JW928
JW924
JW925
JW930
JW929
JW931
JW932
JW921
JW922
JW909
JW926
JW903
JW901
VOLTAGE SELECTOR
WHT
BLK
AC IN
1
2
3
4
5
6
7
8
120V
220V
230-240V
RV60(EXCEPT EA):1-688-698-
RV60(EA) :1-689-644-
Ref. No.
Location
D901
A-5
D902
C-8
D903
B-8
D904
C-8
D905
B-8
D906
A-2
• Semiconductor
Location
42
42
HCD-RV20/RV50/RV60
(Page 38)
3-24. SCHEMATIC DIAGRAM — TRANSFORMER SECTION —
R901
D906
D901
D902
D903
D905
D904
RY902
RY901
CN902
T901
C902
T902
JW909
S901
CN901
F902
F905
F903
F904
F906
C901
43
HCD-RV20/RV50/RV60
IC102 AN41020A (BD BOARD)
3-25. IC BLOCK DIAGRAMS
31
30
29
32
34
33
35 36 37 38 39 40 41 42 43
47
46
DIRECTION
DETECT
52
51
50
48
53
55
56
54
44 45
PVCC/2
PVCC/2
DIRECTION
DETECT
DIRECTION
DETECT
DIRECTION
DETECT
27
28
26
25
24 23 22
12
10 9
8
5
6
7
3
4
2
1
11
13
14
15
16
17
18
19
20
21
•STANDBY
•BAND-GAP
•SVCC
RESET DIRCUIT
•BAND-GAP
•SVCC
RESET DIRCUIT
SGND
OPO2(NC)
IN2-
IN2+
IN1-
OPO1(NC)
OP.O
OP-
IN1+
NC(VDD)
NC(VPUMP1)
OP+
NC
NC(BC2)
PVCC1
PVCC1
NC
VO1+
NC
PVCC/2(NC)
NC
NC
VO1-
PGND1
PGND1
VO2+
VO2-
NC(BC1)
SVCC
IN3+
IN3-
OPO3(NC)
IN4
IN4R
NC
NC(FB)
VREF
NC(CT)
NC(VPUMP2)
NC(SW)
NC
NC(BC4)
PVCC2
PVCC2
NC
VO4-
NC
STB
NC
PGND2
NC
VO3-
VO4+
PGND2
VO3+
NC(BC3)
49
44
HCD-RV20/RV50/RV60
IC103 CXA2581N-T4 (BD BOARD)
IC701 BA6956AN (DRIVER BOARD)
IC712 BA6956AN (DRIVER BOARD)
IC712 BA6956AN (DRIVER BOARD)
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
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