DOWNLOAD Sony HT-DDW7500 / HT-DDW8500 / STR-KM7500 Service Manual ↓ Size: 6.95 MB | Pages: 80 in PDF or view online for FREE

Model
HT-DDW7500 HT-DDW8500 STR-KM7500
Pages
80
Size
6.95 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ddw7500-ht-ddw8500-str-km7500.pdf
Date
PREV: Sony HT-DDW7500 / HT-DDW8500 Service Manual

Sony HT-DDW7500 / HT-DDW8500 / STR-KM7500 Service Manual ▷ View online

45
45
STR-KM7500
STR-KM7500
5-34. PRINTED WIRING BOARD — HEADPHONE BOARD —     • Refer to page 10 for Circuit Boards Location.
5-35. SCHEMATIC DIAGRAM — HEADPHONE BOARD —     
MAIN
 BOARD
CN552
(Page 20)
F
B790
4
1
CNP790
J790
PHONES
HEADPHONE BOARD
1-879-393-
11
(11)
1
2
3
4
5
6
7
A
B
C
D
5-36. PRINTED WIRING BOARD — POWER KEY BOARD — Refer to page 10 for Circuit Boards Location.
5-37. SCHEMATIC DIAGRAM — POWER KEY BOARD — 
1
3
S110
CN152
POWER KEY BOARD
1-879-392-
11
(11)
1
2
3
4
5
6
7
A
B
C
D
DISPLAY
 BOARD
CNP101
(Page 35)
J
?/1
POWER KEY BOARD
DISPLAY
BOARD
CNP101
(Page 36)
J
S110
1
2
3
CN152
3P
PW-SW
GND
CL151
CL152
?/1
1
2
3
4
5
6
7
A
B
C
D
HEADPHONE BOARD
MAIN BOARD
(4/4)
CN552
(Page 24)
F
1
2
3
4
5
6
7
A
B
C
D
1
2
3
4
4P
CNP790
HP_DETECT
HP_R
HP_GND
HP_L
J790
1
2
3
4
5
6
7
PHONES
46
46
STR-KM7500 
STR-KM7500
JL250
JL251
JL253
C250
C251
C252
D250
JL252
R250
VCC
O
IC251
VCC
O
IC250
JW1203
JW1204
JW1205
1
5
3
CN250
DIGITAL BOARD
CN2103
(Page 37)
L
THERMAL SENSOR BOARD
1-878-782-
14
(14)
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
5-38. PRINTED WIRING BOARD — THERMAL SENSOR BOARD —     • Refer to page 10 for Circuit Boards Location.
5-39. SCHEMATIC DIAGRAM — THERMAL SENSOR BOARD — 
Ver. 1.4
100
R250
1
2
3
LM61CIZ/LFT2
IC250
1
C252
LM61CIZ/LFT2
IC251
1
C251
0.1
C250
 DZ2J062M0L
D250
1
3
4
5
CN250
5P
+5V
GND
TEMP1
TEMP2
THERMAL SENSOR BOARD
DIGITAL BOARD
(1/4)
CN2103
(Page 39)
L
THERMAL SENSOR
THERMAL SENSOR
1
2
3
IC250
IC251
47
47
STR-KM7500
STR-KM7500
5-40. PRINTED WIRING BOARD — AC SELECT BOARD —     • Refer to page 17 for Circuit Boards Location.
5-41 . SCHEMATIC DIAGRAM — AC SELECT BOARD — 
AC SELECT BOARD
1-879-397-
04
(04)
FH91
1
FH912
FH913
CN910
S910
CN912
1
1
5
7
JW914
R
STANDBY DCDC
 BOARD
CNP921
(Page 33)
POWER
TRANSFORMER
T901
(Page 33)
Q
( E51, EA )
VOLTAGE
SELECTOR
FH910
F910
F91
1
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
1
2
3
4
5
6
7
A
B
C
D
E
F
G
H
I
J
Ver. 1.1
STANDBY DCDC
BOARD
CNP921
(Page 34)
Q
R
S910
2
1
3
4
6
5
7
8
9
10
11
12
1
3
5
3P
CN912
220V(E2)
120V(E2) / 127V(BR)
240V(E2) / 220V(BR)
JS912
F911
F910
CL904
CL905
CL906
1
2
3
4
5
6
7
CN910
4P
127V
TO SUB TRAN
AC IN FOR SUB TRAN
220V
TO SUB TRAN
PT AC IN (120V/240V)
AFTER PRIMARY RY
CL900
CL901
CL902
CL903
VOLTAGE SELECTOR
AC SELECT BOARD
(E51, EA)
POWER
TRANSFORMER
T901
(Page 34)
T6.3AL   250V
T2.5AL   250V
48
48
STR-KM7500 
STR-KM7500
•  IC Block Diagrams
IC551   BD3470KS2 (MAIN BOARD)
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
IC2008   SI-3050KM-TLS (DIGITAL BOARD)
IC2009   SI-3033KM-TLS (DIGITAL BOARD)
1
VC
TSD
2
VIN
3
GND
4
VOUT
5
ADJ
+
–
REF
IC2011   TC74VHC393FT (EL) (DIGITAL BOARD)
14
13
12
11
10
9
8
1
2
3
4
5
6
7
Q
A
Q
B
Q
C
Q
D
A
CLEAR
VCC
Q
A
Q
B
Q
C
Q
D
A
CLEAR
GND
IC2012   TC7WH157FK (TE85R) (DIGITAL BOARD)
SELECT
11
6
ST
11
7
A 1
2
3
A
B
Y
5
Y
B
GND 4
VCC
8
Y
EN G
Y
MUTE
BIAS CIRCUIT
PROTECTOR
REG
DRIVE
DRIVE
PRE
DRIVE
PRE
DRIVE
+VOUT1
-VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
-VOUT2
+VOUT2
VCC
VCC
VEE
1
2
3
4
5
6
7
8 9 10 11 12 13 14 15
IC600, IC601, IC602, IC603 
IC STK350-530T-E (MAIN BOARD)
6
CLR
7
PR
8
VCC
5
Q
R
S
Q
3
Q
2
D
4
GND
1
CK
Q
D
C
IC2010  TC74WH74FU (TE12R) (DIGITAL BOARD)
IC2000   TK11150CSCL-G (DIGITAL BOARD)
IC3516   TK11150CSCL-G (HDMI BOARD) 
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
Page of 80
Display

Click on the first or last page to see other HT-DDW7500 / HT-DDW8500 / STR-KM7500 service manuals if exist.

RANDOM: