DOWNLOAD Sony STR-DN840 Service Manual ↓ Size: 6.81 MB | Pages: 100 in PDF or view online for FREE

Model
STR-DN840
Pages
100
Size
6.81 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-dn840.pdf
Date
PREV: Sony STR-DH740 (serv.man3) Service Manual

Sony STR-DN840 Service Manual ▷ View online

STR-DN840
STR-DN840
49
49
5-32.  SCHEMATIC DIAGRAM – TUNER1 Board –
    • See page 51 for IC Block Diagrams.
1
A
B
C
D
E
2
3
4
5
6
7
8
9
10
11
TUNER1 BOARD
3.3
5
3.3
3.3
3.3
1.6
1.6
0
0
0
0
3.3
0
0
0
0
0
0
3.3
BPF
FL101
1
C112
1
C111
MC2837
D103
0.1
C109
2.2
C108
100
R107
MC2837
D102
MC2837
D101
32.768kHz
X101
C105
1
600uH
L101
1
2
3
4
6
0
R109
0.047
C106
22
R105
22
R103
100
R106
100
R101
4.7uH
L105
0
R108
R110
10k
GND
1
VDDRF
2
CP2
3
FRF1
4
GNDRF
5
ARF1
6
ARF2
7
IIC/RDSI
8
LA
9
CK
10
VDD 11
GND 12
DA 13
ROUT 14
LOUT 15
IISD 16
CP1 17
X1 18
X2 19
VDD 20
JL112
JL102
JL104
JL106
JL108
JL110
JL103
JL105
JL107
JL109
JL115
JL114
JL111
JL113
0
R104
1
2
3
4
5
6
7
8
9
9P
CN101
IISD (data audio)
VDD
AUDIO L/LRCK
CE (p con)
AUDIO R/BCK
GND
DA (for IIC)
IIC/RDSI
CK (for IIC)
JL118
JL117
JL116
1
2
3
3P
CN103
AM
AM
FM
10k
R113
CN102
3P
3P
1
CE
2
3
Vout
4
Vdd
MM3404A33URE
IC102
GND
0.047
C107
C110
10
470p
C101
1
C102
1
C103
47nH
L103
220nH
L104
JL121
JL122
JL123
JL124
JL125
JL126
JL127
JL130
JL131
JL132
JL133
JL134
JL135
ARF2
ARF1
+3.3V REG.
IC102
D
DIGITAL
BOARD
(2/8)
CN2100
(Page 29)
FM
75Ÿ COAXIAL
FM
75Ÿ COAXIAL
AM
ANTENNA
IC101
RZ5B801-0001E2
(MX, US, CND)
RZ5B801-0002E2
(AEP, UK, TW, AUS)
IC101
FM RECEIVER
IC B/D
IC B/D
CN104
AEP, UK, TW, AUS
MX, US, CND
Ver. 1.1
STR-DN840
STR-DN840
50
50
5-35.  PRINTED WIRING BOARD – HEADPHONE Board –
 
• See page 18 for Circuit Boards Location.    • 
: Uses unleaded solder.
5-33.  PRINTED WIRING BOARD – POWER KEY Board –
 
• See page 18 for Circuit Boards Location.    • 
: Uses unleaded solder.
5-36.  SCHEMATIC  DIAGRAM  – HEADPHONE Board –
5-34.  SCHEMATIC  DIAGRAM  – POWER KEY Board –
1
A
B
C
2
3
4
5
6
7
POWER KEY BOARD
1
8
3
4
5
6
7
O
G
LED_ON
CN103
8P
AD1
LED_STBY
POWER_BUTTON
DGND
NC
+3.3V_STBY
LED_ON
2.2k
R171
10k
R170
22k
R177
4.7k
R172
CL166
CL165
CL164
CL162
CL161
CL160
CL163
Q111
2PD601ART
100
R175
47
R176
100k
R178
10k
R173
100k
R179
Q110
LED DRIVER
LED DRIVER
2PD601ART
D110
SML78423C-TP15
2.2k
R174
S114
SPEAKERS
LED (ON/STBY)
S112
TUNING –
S111
TUNING +
S115
"/1
S113
TUNING
MODE
L
DISPLAY
BOARD
CN100
(Page 43)
1
A
B
2
3
4
5
HEADPHONE BOARD
1
3
4
5
CL185
CL186
CL187
CL188
CN107
5P
HP_DETECT
HP_R
HP_GND
HP_L
C160
1000p
C162
1000p
C161
1000p
J101
PHONES
I
MAIN
BOARD
(2/4)
CN391
(Page 39)
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
1
8
3
CN103
S111
S112
S113
S114
S115
GO
D1
10
R170
CL161
R174
CL160
CL163
R171
R173
R177
R172
CL165
CL164
R175
CL166
R178
CL162
R179
R176
Q110 E
Q111
E
SPEAKERS
TUNING MODE
TUNING –
TUNING +
&/1
M
DISPLAY
BOARD
CN100
(Page 42)
  POWER KEY BOARD
1-887-712-
21
(21)
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
J101
1
5
3
CN107
CL188
C160
CL186
CL185
C161
CL187
C162
PHONES
 HEADPHONE BOARD
K
MAIN BOARD
CN391
(Page 36)
1-887-714-
21
(21)
STR-DN840
51
IC2002  BU33TD3WG-TR (DIGITAL BOARD (1/8))
•  IC Block Diagrams
IC2000  TC74VHC08FT (EL) (DIGITAL BOARD (1/8))
A0
B0
Y0
A1
B1
Y1
GND
VCC
A3
B3
Y3
A2
B2
Y2
1
2
3
4
5
6
7
14
13
12
11
10
9
8
IC2001  AK4388AET2-E2  (DIGITAL BOARD (1/8))
1
CLOCK
DIVIDER
DE-EMPHASIS
CONTROL
AUDIO
DATA
INTERFACE
MCLK
2
11
BICK
3
SDTI
4
LRCK
5
RSTN
CONTROL
PORT
6
SMUTE
7
ACKS
8
DIF0
8
INTERPOLATOR
8
INTERPOLATOR
MODULATOR
MODULATOR
SCF
LPF
SCF
LPF
AOUTL
12 VCOM
13 VSS
14 VDD
15 DEM
16 DZF
10 AOUTR
9 DIF1
+
–
VDD 1
GND 2
CE 3
VREF
OCP
TSD
STBY
Discharge
5 VOUT
4 NC
STR-DN840
52
IC2003  AK5358BET2-E2 (DIGITAL BOARD (1/8))
MODULATOR
DECIMATION
FILTER
1
AINR
AINL
CKS1
VCOM
VSS1
AVDD
DVDD
VSS2
CKS0
CKS2
DIF
RESET
SCLK
MCLK
LRCK
SDTO
MODULATOR
DECIMATION
FILTER
SERIAL I/O
INTERFACE
CLOCK
DIVIDER
2
VOLTAGE
REFERENCE
4
3
5
6
8
7
16
15
13
14
12
11
9
10
IC2101  BU4229F-TR (DIGITAL BOARD (4/8))
IC3001  BU4229F-TR (DIGITAL BOARD (6/8))
VDD 2
OUT 1
VSS 3
+
–
VREF
CD
5
NC
4
DELAY
CIRCUIT
IC2102  BR24T64FJ-WE2 (DIGITAL BOARD (4/8))
1
A0
A1 2
A2 3
GND 4
1Kbit~1024Kbit    EEPROM    array
Address
decoder
7bit
8bit
9bit
10bit
11bit
12bit
13bit
14bit
15bit
16bit
17bit
*1
*1
Control circuit
START
STOP
ACK
High voltage
generating circuit
Power source
voltage detection
Word
address register
Data
register
Vcc
8
WP
7
SCL
6
SDA
5
8bit
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