DOWNLOAD Sony STR-DK5 Service Manual ↓ Size: 5.88 MB | Pages: 56 in PDF or view online for FREE

Name: Sony STR-DK5
Brand: Sony
SKU: 1561
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Model: STR-DK5
Pages: 56
Size: 5.88 MB
Type: PDF
Document: Service Manual
Brand: Sony
Device: Audio
File: str-dk5.pdf
Date: 2018-11-20

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STR-DK5
13
13
STR-DK5
4-3. BLOCK DIAGRAM — KARAOKE SECTION —
(Page 12)
(Page 11)
• Signal path
            : TUNER (FM/AM)
• R-ch is omitted due to same as L-ch.
5
1
TONE CONTROL
IC2000
MIC AMP
IC2004
MIC 1 AMP
IC2001
RV2000
MIC 1 VOL
RV2003
HIGH
J2000
MIC 1
KARAOKE
RV2002
MID
RV2001
LOW
5
7
MIX AMP
IC2350 (1/2)
5
7
AF AMP
IC2102
5
7
AF AMP
IC2101
L OUT
5
7
BUFFER AMP
IC2351
3
1
3
1
MIX AMP
IC2350 (2/2)
+9V
+K5V
+15V
RY2000
INVERTER
IC2301
SYSTEM CONTROL
IC1101 (3/5)
64
63
KARAOKE CONTROL
IC2300
7
MIC AMP
IC2003
IC2120
ECHO
CONTROL
ECHO
RV2109
KARAOKE
16
18
20
14
12
5
7
5
1
3
2
10
TONE
(MIC 1 TONE)
TONE CONTROL
IC2100
RV2103
HIGH
RV2102
MID
RV2101
LOW
16
18
20
14
12
TONE
(MUSIC TONE)
KARAOKE
5
1
MIC 2 AMP
IC2002
RV2050
MIC 2 VOL
RV2053
HIGH
J2050
MIC 2
RV2052
MID
RV2051
LOW
1
5
3
1
7
9
3
TONE
(MIC 2 TONE)
9
3
77
75
74
SEL
R-CH
WR
STB
CLK
REQ
DATA
LOUT
MIC IN
L IN
R IN
ROUT
SRAM
K-OK R/W
K-OK STB
K-OK CLK
K-OK REQ
K-OK DATA
INTERFACE
SRAM
36
1
88
34
4
90
33
3
6
8
10
89
K-OK RY
87
35
34
32
33
RELAY
DRIVER
Q2000
+4V REG
Q2350
CN2506
D-LIGHT
SYNC OUTPUT
+9V
D+4V
L+R
-1
-2
3
L
4
R-CH
R-CH
MIC
 OUTPUT
J400
R
DIGITAL
SECTION
E
L OUT
TUNER/
AUDIO
SECTION
D
PHASE
SHIFTER
LOGIC
EQ
3
1
IC2303
IC2302
3
1
+5V
REG
+9V 
REG

STR-DK5
14
14
STR-DK5
4-4. BLOCK DIAGRAM — DISPLAY SECTION —
83
FL DISPLAY/LED DRIVER
IC100
14
I
29
82
29
30
5
6
47
46
54
SW NETWORK 
S121-124
RV102
MASTER
VOLUME
56
51
49
28
27
77
+3.3V
(STBY)
X1
X0
SDA
SCL
POWER_KEY
FLASH1
FLASH2
MD2
MD0
RSTX
SDA
SCL
EEPROM
IC1131
X1101
24MHz
SIRCS
F1
F2
59
FL DATA
7 DIN
57
FL LAT
9 STB
SW1
SW2
SW3
SW4
60
FL CLK
8
1
CLK
2
3
4
1G
I
12G
P1
I
P16
VOL_ENC(A)
VOL_ENC(B)
INPUT ENC(A)
INPUT ENC(B)
MUSIC ENC (A)
MUSIC ENC (B)
A/D2
SW NETWORK 
S101-106
SW NETWORK 
S111-115
A/D0
A/D1
1
3
63
64
RV100
INPUT
SELECTOR
RV103
MUSIC VOLUME
KARAOKE
1
3
85
86
1
3
1
REMOTE
CONTROL
SIGNAL
RECEIVER
IC102
OUT
SIRCS
SYSTEM
CONTROL
IC1101 (4/5)
BUFFER
IC101
CNS504
S100
FLASH2
MD2
MD0
RESET
1
2
SDA
SCL
FLASH1
9
8
7
6
5
FLASH
PROGRAMMING
1
2
I
 /  I
D101-104
38
39
40
FL101
VACUUM
FLUORESCENT
DISPLAY
IC1111
RESET
42
I
31
9
4
2
8
6
3

STR-DK5
15
15
STR-DK5
4-5. BLOCK DIAGRAM — POWER SECTION —
(Page 11)
8
12
11
DRIVE
POWER AMP
Q501-504
CURRENT
DETECT
Q505,506
RY501
RY601
PRE DRIVER
IC501
IN 2
+VOUT2
-VOUT2
R
L
FRONT 
L
SURROUND
AUDIO
OUT
SUB
WOOFER
CENTER
R
R-CH
R-CH
L-CH
R-CH
SL-CH
C-CH
R-CH
SR-CH
R-CH
TUNER/
AUDIO
SECTION
C
RY901
D802
F1
F2
-20V
+3.3V
(STBY)
+1.8V
+5V
-7V
+7V
TU+10V
-20V
RECT
D910-913
D914
D915
(SUB)
D1001
D1110
D1107
D1111
OVERLOAD
DETECT
D502,Q507
8
61
12
11
DRIVE
POWER AMP
Q701-704
CURRENT
DETECT
Q705,706
-20V REG
Q801
B-SWITCH
Q851,852
RELAY
DRIVER
Q901
AC IN
DETECT
Q911
PRE DRIVER
IC701
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D702,Q707
8
12
11
DRIVE
POWER AMP
Q601-604
CURRENT
DETECT
Q605,606
PRE DRIVER
IC601
IN 2
+VOUT2
-VOUT2
OVERLOAD
DETECT
D602,Q607
RELAY
DRIVER
Q508
RELAY
DRIVER
Q608
RY701
RY702
RELAY
DRIVER
Q560
69
PROTECTOR
D882,883
Q881-883
58
48
70
+5.6V
(STBY)
OVERLOAD
DETECT AMP
7
2
IC850
–40V
-B
+3.3V/+1.8V
REG
4
5
+3.3V
2
IC1901
+A5V
+5V
REG
1
3
VDD3.3V
+3.3V
REG
1
3
IC1001
+3.3V
REG
1
3
IC1904
+9V
REG
1
3
IC1902
IC1071
-16V
+16V
+7V
REG
3
1
IC821
-7V
REG
2
3
IC822
+5V
REG
1
3
IC1031
+B
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
RECT
D811
RECT
D920-923
RECT
D804-807
T901
POWER
TRANSFORMER
TM602
TM600 (1/2)
TM600 (2/2)
J403
(MAIN)
FRONT RY
SURR RY
C/SW RY
SURR RY
FRONT RY
C/SW RY
FRONT RY
PROTECTOR
POWER RY
71
SURROUND RY
STOP
C/SW RELAY
SYSTEM
CONTROL
IC1101 (5/5)
PRE
DRIVE
PRE
DRIVE
SB-CH
-40V +BV
-40V +BV
-40V +BV
PRE
DRIVE
R810
R812
R910
T902
POWER
TRANSFORMER
AC IN 
~ 
F901
SPEAKERS
IMPEDANCE
USE 6-16Ω
RELAY
DRIVER
Q708
RUSSIA
MODEL
• Signal path
            : TUNER (FM/AM)
• R-ch is omitted due to
  same as L-ch.
Ver. 1.1

STR-DK5
16
16
STR-DK5
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)

for schematic diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
Ω
 and 
1
/
4
 
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
J
: CD (ANALOG)
c
: CD (DIGITAL)
• Abbreviation
RU: Russia model
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)
parts face are indicated.
• Waveforms
— DIGITAL Board —
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E

Note: The components identified by mark 
0
 or dotted line
with mark 
0
 are critical for safety.
Replace only with part number specified.
4-6. CIRCUIT BOARDS LOCATION
MIC TONE board
STANDBY board
KARAOKE board
DIGITAL board
MAIN board
MIC AMP board
DISPLAY board
VOLUME board
1
IC1301 
qd
 (CKOUT)
2.2 Vp-p
2.4 Vp-p
1V/DIV, 50nsec/DIV
3
IC1301 
wa
 (XOUT)
1V/DIV, 50nsec/DIV
4
IC1501 
9
 (MCLK1)
0.8 Vp-p
1V/DIV, 50nsec/DIV
2
IC1301 
qf
 (BCK)
3.3 Vp-p
1V/DIV, 0.2
µ
s/DIV
13.9 MHz
12.288 MHz
3.07 MHz
12.288 MHz
5
IC1501 
qs
 (MCLK2)
1.1 Vp-p
1.2 Vp-p
1V/DIV, 50nsec/DIV
7
IC1101 
id
 (X1)
1V/DIV, 50nsec/DIV
6
IC1501 
qf
 (SCKOUT)
2.9 Vp-p
1V/DIV, 50nsec/DIV
24 MHz
12.288 MHz
13.9 MHz
Ver. 1.1
• Abbreviation
RU: Russia model

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