Sony HT-DDW3000 / STR-KM3000 Service Manual ▷ View online
STR-KM3000
STR-KM3000
29
29
6-18. SCHEMATIC DIAGRAM - STANDBY Board -
BOARD
CN4001
CONVERTER
T
DCDC
(3/3)
DIGITAL AB
N
CNP505
BOARD
BOARD
(3/3)
CNP912
H
MAIN
(3/3)
MAIN
G
CNP940
BOARD
(3/3)
K
CNP922
MAIN
BOARD
0
0.6
0.8
0.2
50V
1
C992
1
R902
FH901
FH902
RY901
JS950
JS951
1
2
3
3P
CNP910
R2 AC
R2 CENTER TAP
R2 AC
25V
1000
C913
1
3
3P
CNP901
LIVE
2
NC
NEUTRAL
25V
2200
C912
16V
C953
3300
1
4
4P
CNP902
LIVE
2
NC
3
NC
NEUTRAL
F901
0.1
C910
0.1
C911
2SC3052EF-T1-LEF
Q990
22k
R991
10k
R993
47k
R990
0.
1
C951
0.
1
C950
MA2J1110GLS0
D901
MA2J1110GLS0
D991
MA2J1110GLS0
D990
1
2
3
4
5
6
6P
CNP911
AC-R2-17V
AC-R2-17V
GND
GND
AC-R2-17V
AC-R2-17V
1
3
4
5
6
7
8
9
2
T902
2SC3052EF-T1-LEF
Q901
2.2k
R903
1/2W
0.22
R910
1/2W
0.22
R911
JS903
47k
R904
1
3
4
5
6
6P
CN912
+15V
2
NC
R2 GND IN
STBY GND
-15V
R2 RETURN GND
1
2
3
4
5
5P
CNP914
+15V
POWER_RY
STANDBY GND
STOP (AC-OFF-DET)
STANDBY (+9V)
D910
1SR154-400TE-25
D911
1SR154-400TE-25
1SR154-400TE-25
D913
1SR154-400TE-25
D912
D953
1SR154-400TE-25
1SR154-400TE-25
D952
1SR154-400TE-25
D951
1SR154-400TE-25
D950
STANDBY BOARD
(AC IN )
T2.5AL/250V
TRANSFORMER
SUB POWER
AC OFF DETECT
RELAY DRIVE
Q951, 955
B+ SWITCH
T901
MAIN POWER
TRANSFORMER
D
B
F
5
3
1
C
E
8
9
6
7
4
A
2
(Page 19)
(Page 24)
(Page 30)
(Page 19)
(Page 19)
STR-KM3000
STR-KM3000
30
30
6-19. PRINTED WIRING BOARD - DCDC CONVERTER Board -
•
: Uses unleaded solder.
• See page 15 for Circuit Boards Location.
1
A
B
C
D
E
F
G
2
3
4
5
6
7
1-875-598-
(11)
11
DCDC CONVERTER BOARD
T
M
DIGITAL
AB
BOARD
CNP512
STANDBY
BOARD
CNP911
D4001
JW4001
L4101
C4103
C4007
CN4001
CL003
CL004
1
6
JW4010
JW4011
D4805
R4100
C4102
R4102
JW4013
1
4
JW4005
JW4012
CL005
JW4003
C4002
CL002
CL001
JW4007
CL006
CN4103
JW4009
JW4014
C4009
JW4006
IC4100
JW4008
C4100
L4100
JW4002
F4001
F4002
5
3
4
2
1
(Page 21)
(Page 28)
6-20. SCHEMATIC DIAGRAM - DCDC CONVERTER Board -
• See page 32 for IC Block Diagrams.
4
1
6
B
3
5
2
A
BOARD
CNP911
CNP911
STANDBY
T
BOARD
DIGITAL
AB
M
(1/3)
CNP512
IC B/D
16
5.7
3.3
2.3
IC4100
~
~
35V
3300
C4002
C4102
0 . 1
C4007
0.47
1
3
4
3
4
CN4103
3P
DGND
NC
+5.8V
NC
+5.8V
D4001
D3SB60F3
C4009
0.47
16V
C4103
1000
1
2
3
4
5
6
2
3
4
5
6
6P
CN4001
R2 AC
R2 AC
R2 AC
R2 CENTER TAP
R2 CENTER TAP
R2 CENTER TAP
R2 AC
R2 AC
R2 AC
35V
C4100
1000
RB060M-30
D4805
L4101
100uH
L4100
100uH
R4100
1k
R4102
560
1
2
3
4
5
SI-8033S
IC4100
F4002
T3.15AL/250V
F4001
T3.15AL/250V
+5.8V REGULATOR
VIN
SWOUT
GND
VOS
S.S
DCDC CONVERTER BOARD
(Page 29)
(Page 22)
STR-KM3000
31
• Waveforms
– DIGITAL AB Board –
– DIGITAL AB Board –
40 ns
42 ns
81.3 ns
0.33
µs
81.3 ns
3.5 Vp-p
3.5 Vp-p
1.2 Vp-p
3.5 Vp-p
2.4 Vp-p
IC1301 RG (BCK)
IC1301 RE (CKOUT)
IC1301 XB (XOUT)
1 V/DIV, 0.2
µs/DIV
1 V/DIV, 50 ns/DIV
1 V/DIV, 50 ns/DIV
IC1501 [WD (XTAL)
IC1101 JE (X1)
1 V/DIV, 50 ns/DIV
1 V/DIV, 50 ns/DIV
STR-KM3000
32
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC400 BD3471KS2
1
GND
2
HPFN
3
LPF01
4
LPF02
5
LPFN2
6
LPFN1
7
SWVOL
8
VCC
9
DGND
10
DA
11
CL
12
VEE
13
FROUT
14
FLOUT
15
SWOUT
16
COUT
17
SROUT
18
SLOUT
19
SBROUT
20
SBLOUT
21
GND
22
GND
23
RECL4
24
RECR4
25
RECL3
26
RECR3
27
RECL2
28
RECR2
29
RECL1
30
RECR1
40
GND
39
INR13
38
INL13
37
INR14
36
INL14
35
INR15
34
INL15
33
INR16
32
INL16
31
GND
60 INR3
59 INL3
58 INR4
57 INL4
56 INR5
55 INL5
54 INR6
53 INL6
52 INR7
51 INL7
50 INR8
49 INL8
48 INR9
47 INL9
46 INR10
45 INL10
44 INR11
43 INL11
42 INR12
41 INL12
61
INL2
62
INR2
63
INL1
64
INR1
65
GND
66
SBLIN1
67
SBRIN1
68
SBLIN1
69
SLIN1
70
SRIN1
71
CIN1
72
FLIN1
73
FRIN1
75
ADCR
76
ADCL
74
GND
78
SUB1R
79
SUB1L
77
GND
80
GND
ADC
SWITCH
FR
VOLUME
SUB1
LOGIC
SWITCH
SWITCH
SWITCH
SWITCH
FL
VOLUME
SW
VOLUME
C
VOLUME
SR
VOLUME
SL
VOLUME
SBR
VOLUME
SBL
VOLUME
EQ
REC
SUB2
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
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