DOWNLOAD Sony HT-1700D / HT-5500D / HT-DDW740 / HT-DDW840 / STR-K740P / STR-K840P Service Manual ↓ Size: 9.96 MB | Pages: 43 in PDF or view online for FREE

Model
HT-1700D HT-5500D HT-DDW740 HT-DDW840 STR-K740P STR-K840P
Pages
43
Size
9.96 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-1700d-ht-5500d-ht-ddw740-ht-ddw840-str-k740p-st.pdf
Date
PREV: Sony HCD-GX8000 / HCD-RG77 Service Manual

Sony HT-1700D / HT-5500D / HT-DDW740 / HT-DDW840 / STR-K740P / STR-K840P Service Manual ▷ View online

21
21
STR-K740P/K840P
• See page 8 for Circuit Boards Location.
3-13. Printed Wiring Board – POWER Section –
CNP801
(Page 15)
1
2
3
CNP802
(Page 15)
H
J
K740P:US, CND/K840P:US, CND
EXCEPT K740P:E/K840P:E
K740P:E/K840P:E
(CHASSIS)
1
2
3
1
2
3
4
5
• 
 : Uses unleaded solder.
22
22
STR-K740P/K840P
3-14. Schematic Diagram – POWER Section –
F901
2.5V/250V : EXCEPT K740P:US,CND/K840P:US,CND,MX
6.3V/125V : K740P:US,CND/K840P:US,CND,MX
23
STR-K740P/K840P
3-15. IC Block Diagrams
IC1101  LC89056W-E (DIGITAL BOARD)
38
37
36
23
24
1
2 3
4
5
44
8 9 10
46
17
22
21
20
30
35
25
26
27
28
29
32
33
34
16
45
13
14
15
47
40
41
48
CL
39
XSEL
CE
DI
EMPHA
AUDIO
DISEL
DOUT
DINO
DINI
DIN2
6
DGND
7
DVDD
11
AVDD
12
AGND
DOSEL0
R
VIN
LPF
CKSEL0
XSTATE
18 DGND
19 DVDD
XIN
XOUT
XMCK
DVDD
31
DGND
DO
CSFLAG
F0/P0/C0
F1/P1/C1
F2/P2/C2
VF/P3/C3
AUTO
BPSYNC
ERROR
DATAO
DOSEL1
CKOUT
BCK
LRCK
CKSEL1
MODE0
MODE1
42
DGND
43
DVDD
XMODE
TIMING
MICROCOMPUTER
INTERFACE
SAMPLING
FREQUENCY
C BIT
DETECT
PA/PB
DETECT
LOCK
DETECT
SYSTEM
RESET
MODE
SELECT
INPUT
CIRCUIT
DATA
DEMODULATOR
PLL
CLOCK
IC501  STK350-230 (MAIN BOARD)
1
2
3
4
5
6
7
8
9
TR3
R1
R2
TR4
TR6
TR7
R4
R9
TR5
TR1
TR2
R6
D4     D3
R7
R8
TR8
D1     D2
R5
R3
INPUT
NF
-VEOUT
+VEOUT
V
SS
GND
V
CC
SUB
IC701, IC702  µPC2581V-S (MAIN BOARD)
PROTECTOR
DRIVE
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15
PRE
DRIVE
PRE
DRIVE
BIAS CIRCUIT
REG
MUTE
+VOUT1
–VOUT1
COMP1
NF1
IN1
GND
IN2
NF2
COMP2
–VOUT2
+VOUT2
VCC1
VCC2
VEE
DRIVE
24
STR-K740P/K840P
IC101  MC74ACT08N (DISPLAY BOARD)
IC103  NJM2595D (VIDEO BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1A
1B
1Y
2A
2B
2Y
GND
VCC
4B
4A
4Y
3B
3A
3Y
2
3
4
5
6
7
8
9
12
11
13
15
16
1
14
10
M.OUT
SW5
DVD
SW3
V2
SW4
NC
VEE
V3
SW2
NC
GND
V1
SW1
VI.OUT
VCC
6dB
Amp
6dB
Amp
75
Ω
Driver
75
Ω
Driver
6dB
Amp
75
Ω
Driver
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