Sony STR-DB830 / STR-DB930 / STR-V929X Service Manual ▷ View online
— 5 —
Rear Panel
1
2
3
4
5
6
7
8
0
!¡
9
!™
!£
!¢
!∞
!§
!¶
!•
!ª
@º
@¡
@™
1
ANTENNA
2
SIGNAL GND
3
DIGITAL
4
5-1 CH INPUT
5
SPEAKERS (FRONT)
6
SPEAKERS (REAR)
7
SPEAKERS (CENTER)
8
PREOUT
9
IMPEDANCE SELECTOR
!º AC OUTLET
!¡ AC power cord
!™ S-LINK
!£ 2ND AUDIO OUT
!¢ VIDEO 1
!∞ VIDEO 2
!§ DVD/LD
!¶ TV/SAT
!• TAPE
!ª MD/DAT
@º CD
@¡ PHONO
@™ MONITOR
— 6 —
SECTION 3
TEST MODE
FLUORESCENT INDICATOR TUBE TEST MODE
* All fluorescent segments are tested. When this test is activated,
all segments turn on at the same time, then each segment turns on
one after another.
one after another.
* Procedure:
While depressing the ENTER, the LEVEL and the EQ buttons
simultaneously, press the power [
simultaneously, press the power [
1/u] button to turn on the main
power. All segments turn on at the same time, then each segment
turns on press the ENTER button.
turns on press the ENTER button.
FACTORY SET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the SET UP, the LEVEL and the ENTER buttons
simultaneously, press the power [
* Procedure:
While depressing the SET UP, the LEVEL and the ENTER buttons
simultaneously, press the power [
1/u] button to turn on the main
power. The message Factry Set appears and the present contents
are reset to the default values.
are reset to the default values.
ALL CLEAR MODE
* All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
of repair.
* Procedure:
While depressing the SET UP button simultaneously, press the
power [
power [
1/u] button to turn on the main power. The machine enters
the DEMO mode.DEMO mode: Wait a while, then the
demonstration starts. If the power [
demonstration starts. If the power [
1/u] button is pressed often
the demonstration has started, the power is turned off, and the
demonstration resumes if the power [
demonstration resumes if the power [
1/u] button is pressed again.
ALL CLEAR mode; If the power [
1/u] button is pressed often
the machine enters the DEMO mode, but before the demonstration
starts, the display is turned off. Press [
starts, the display is turned off. Press [
1/u] again. No response is
returned. The press [
1/u] again. The preset data is cleared and
the machine enters the normal power-on state.
SOUND FIELD CLEAR MODE
* The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
completion of repair.
* Procedure:
While depressing the SOUND FIELD MODE button, press the
power [
power [
1/u] button to turn on the main power. The message S.F
Initialize appears and initialization is performed.
AM CHANNEL STEP 9 kHz/10 kHz
SELECTION MODE (US,Canadian Model)
SELECTION MODE (US,Canadian Model)
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Set the FUNCTION to AM. Turn off the main power.
While depressing the TUNING+ button or the PRESET TUNING
+ button, press the power [
While depressing the TUNING+ button or the PRESET TUNING
+ button, press the power [
1/u] button to turn on the main power.
Either the message AM 9kHz Step or AM 10kHz Step appears.
Select the desired step.
Select the desired step.
DSP TEST MODE
* It tests whether the DSP works correctly or not. When the DSP
test is activated, the test data is output from the DSP (IC1401:
CXD2712R) of the DIGITAL board and is written in the RAM
(IC1402: IDT71V016S). When the test data is read from the RAM
by the DSP, the data output must be equivalent to the original
data. If they disagree, an error is triggered. Errors can be caused
by the broken data line or defective soldering.
CXD2712R) of the DIGITAL board and is written in the RAM
(IC1402: IDT71V016S). When the test data is read from the RAM
by the DSP, the data output must be equivalent to the original
data. If they disagree, an error is triggered. Errors can be caused
by the broken data line or defective soldering.
* Procedure
While pressing the SETUP, LEVEL and SUR buttons, press the
POWER button to enter the DSP test mode. The message DSP
TEST MODE appears. When an error occurs, the message DSP2
ERROR is displayed. When there is no error, the message DSP2
NO ERROR appears and the 1 kHz signal is output to all channels.
Then, the mode can be switched the (SIGN WAVE) (THROUGH)
and (INPULSE) mode.
POWER button to enter the DSP test mode. The message DSP
TEST MODE appears. When an error occurs, the message DSP2
ERROR is displayed. When there is no error, the message DSP2
NO ERROR appears and the 1 kHz signal is output to all channels.
Then, the mode can be switched the (SIGN WAVE) (THROUGH)
and (INPULSE) mode.
AUTOBETICAL MODE (AEP Model only)
* This mode is installed in the Europe models only. When this mode
is used, the receiver scans the broadcasts that can be received by
tuner, and sets up the broadcasts. Be sure to start scanning after
connecting the antenna.
Procedure:
Check that the antenna is connected. Press the POWER button
while pressing the MEMORY button to turn on the power. The
message “Autobetical select” appears and scanning starts by tuner.
tuner, and sets up the broadcasts. Be sure to start scanning after
connecting the antenna.
Procedure:
Check that the antenna is connected. Press the POWER button
while pressing the MEMORY button to turn on the power. The
message “Autobetical select” appears and scanning starts by tuner.
VERSION MODE
* When this mode is used, the microprocessor version number is
displayed.
* Procedure:
Press the POWER button while pressing the ENTER, LEVEL,
and SUR buttons to turn on the power. The microprocessor version
number appears as follows.
and SUR buttons to turn on the power. The microprocessor version
number appears as follows.
SECTION 2
SERVICING NOTE
1. When the front panel is removed, the VR board is removed at the
same time. Consequently the LEDs cannot be turned on and the
sound volume cannot be increased or decreased from the remote
control.
sound volume cannot be increased or decreased from the remote
control.
2. When servicing the DIGITAL board, be sure to connect the earth
land of the DIGITAL board with the chassis frame so that the
earth potential of the DIGITAL board must not be floated from
the chassis frame.
earth potential of the DIGITAL board must not be floated from
the chassis frame.
STR-DB830/DB930/V929X
— 7 —
— 8 —
SECTION 4
DIAGRAMS
L
58
D
ATA
FM
AM
FM
75
Ω
AM
DO
TUNED
T.
MUTE
STEREO
D
ATA
CLK
CE
L OUT
R OUT
TUNER UNIT
DO
TUNED
MUTING
STEREO
S DA
TA
S CLK
S LA
T
R CH
: FM
: CD
• Signal Path
• RCH is omitted
PHONO
L
CD
J301
L
INPUT
L
OUTPUT
J302
J001
DAT/MD
M OUT
1
J201
MONITOR
J202
J203
TV/LD
DVD
VIDEO 2
VIDEO 1
V1 IN
13
V1 OUT
15
V2 IN
9
V2 OUT
11
TV
3
LD
5
8
VEE
16
VCC
14
SW1
10
SW2
4
SW3
6
SW4
3
2
VIDEO SELECT
IC201
-5V
REG
IC202
-15V
+5V
4
3
2
8
6
11
5
9
12
CONTROL
CE
16
CLK
14
DI
15
AUDIO SELECT
IC301
MUTE
Q1502
S LA
T
S CLK
S DA
TA
EQ AMP
IC302
MUTE
Q1506
IC1508
MUTE
Q1505
VIDEO(SW1)
77
SYSTEM
CONTROL
IC201
VIDEO(SW2)
76
VIDEO(SW3)
75
VIDEO(SW4)
72
16
59
AUTO STOP
60
STEREO
84
TUNER MUTE
S DA
TA
S CLK
S LA
T
DO
TUNED
STEREO
TMUTE
56
D
ATA
57
CLOCK
55
LA
TCH
D
: PHONO
27
26
24
22
23
17
CONTROL
CE
16
CLK
14
DI
15
SELECTOR
IC303
S LA
T
S CLK
S DA
TA
25
20
L
TAPE (MD)
INPUT
L
OUTPUT
Y
V1 O
VIDEO 1
INPUT
5
15
1
LD
M O
Y SWITCH
IC252
D201
VIDEO 1
OUTPUT
Y
C
C
C SWITCH
IC251
C
Y
J251
MONITOR
OUTPUT
J253
J252
J303
V1 O
13
15
1
V1 I
M O
13 V1 I
C
Y
DVD
5
LD
L
TV/DBS
L
J305
VIDEO2
INPUT
INPUT
L
OUTPUT
L
VIDEO1
OUTPUT
L
INPUT
J304
TM301
ANTENNA
4 14 15 13
2
3
1
10
12
10
L
INPUT
DVD/LD
21
IR LINK
DET
IC001
DVD/LD
IR LINK
DET
IC002
TV/DBS
IR LINK
DET
IC003
DAT/MD
IR LINK
DET
IC004
MD/DAT
(INPUT)
(REC OYT)
DVD
COAXIAL
IC007
14
SW1
10
SW2
4
SW3
6
SW4
14
SW1
10
SW2
4
SW3
6
SW4
INPUT
OUTPUT
INPUT
INPUT
OUTPUT
OUTPUT
DVD/LD
TV/DBS
INPUT
US,CANADIAN
MODEL
AEP
MODEL
5
4
6
3
4
9
SELECT
SWITCH
IC1005
7
B
A 14
2
B
A
IC1006
112
DI
108
DIG IN A
107
DIG IN B
A
B
110
CL
111
CE
115
BY SYNC
113
DO
DIGITAL AUDIO
I/F RECEIVER
IC1101
D IN
3
BP SYNC
33
DI
36
CLK
38
CE
37
16
DATA
13
CK OUT
14
BCK
22
12.288M
34
ERROR
35
DO
X3501
12.288MHz
IC1404
IC1404
XI
8
SDIA0
84
SDIA1
85
SDWCK0
82
DOLBY
DIGITAL AUDIO DECODER
IC1301
24
AUDATA0
23
AUDATA1
22
AUDATA2
D0-7
SCK
69
1
SCCLK
SI
68
CS
66
IC
62
2
SI
4
CS
5
IC
67
SO
3
SO
114
D1202
106
ANALOG/DIG
ERROR
A0-7
D0-7
SRAM
IC1402
SIA
117
SIB
118
SIC
119
XWE
74
XOE
70
16
20
23
25
.
HD0
HD7
D0-7
HD0
HD7
13
XHDWR
25
HA0
AUDIO DSP
IC1401
HA0
15
XHDWR
9
XHDCS
14
XRST
26
16
XHDCS
27
HRDY
26
XRST
13
HRDY
5
SOD
15
SOD
30
CDTI
IC1202
IC1202
Q1201
Q1202
31
CDTO
29
CCLK
28
CS
32
PD
2
SOA
LRCK1
116
LRCK0
115
BCK1
114
3
SOB
4
SOC
27
L OUT1
LIN-
29
AUDIO CODEC
IC1503
CDTO
44
CDTI
43
CCLK
42
CS
41
PD
17
SDTO
9
MCLK1
39
BCLK
4
LRCK
5
SDTI 1
6
SDTI 2
7
SDTI 3
8
LIN+
30
IC1504
IC1504
23
L OUT3
IC1508
IC1509
MUTE
Q1504
IC1510
24
R OUT3
25
L OUT2
IC1507
IC1505
IC1505
IC1506
MUTE
CONT
Q1507
Q1204
U DATA
50
DISP DATA
52
DISP CLK
49
DISP MR
51
SREQ
10
SOTO
9
SINO
87
MD2
89
MD0
90
RESET
U CLOCK
U MREQ
U SREQ
SOT0
SIN1
MD2
MD0
U REST
105
RY POWER
RY POWER
AC MUTE
PROTECT
RY HP
RY FRONT A
RY FRONT B
RY CENTER
RY WOOFER
RY REAR
AC MUTE
PROTECTOR
HP RY
SP/A RY
SP/B RY
RY CENTER
RY WOOFER
REAR SP RY
C
92
XO
93
XI
X1201
16MHz
16MHz
67
STOP
STOP
: DVD
IC11404
AEP ONLY
9
FM DET
4
2
13
14
RDS
IC1
X1
4.33MHz
6
ANT LEVEL
16
ANT LEVEL
RDS DATA
RDS CLK
A
TUNER
26
CD
27
MD
25
TAPE
23
23
COM
20
COM
17
COM
16
14
15
S LA
T
S CLK
S DA
TA
SELECTOR
IC330
2
SW5
S DA
TA
S CLK
S LA
T
47
EV DA
TA
48
EV CLK
46
EV STB
IC309
32
AUTO
10
11
12
15
LRCK
SDBCK0
83
IC1403
IC1403
IC1403
BCK0
113
IC1403
IC1403
DFS
11
99
CLKI
100
CLKO
X1401
10MHz
RELAY
DRIVE
DRIVE
Q301
L
LS
J1002
5.1 INPUT
C
W
SELECTOR
IC1502
2CH L
19
S.1-L
20
S.1-LS
23
S.1-C
26
S.1-C
3
L
21
C
27
W
2
LS
24
17
L OUT
25
C OUT
4
W OUT
22
LS OUT
16
14
15
S LA
T
S CLK
S DA
TA
RY301
J306
AUDIO
OUT
L
R
R CH
L
C
W
SL
DATA
CLK
LAT
B
XMODE
48
CSFLAG
25
X
S
TAT
E
17
109
XMODE
117
CSFLAG
118
X
S
TAT
E
116
AUTO
85
S MUTE
Q1102
D1203
Q1203
24 17
82
66
104
99
100
101
103
102
RY PRE
PRE RY
98
RESET
D1201
IC304
35
96kHZ
S MUTE
4-1. BLOCK DIAGRAM MAIN SECTION
STR-DB830/DB930/V929X
— 9 —
— 10 —
RELAY
DRIVE
Q601
Q504, Q505
BIAS
14
5
15
6
1
2
3
VEE
VCC
IN
MUT
+VE
NF
-VE
13 VCC
POWER AMP(L)
IC501
+VDD
-VDD
BOOSTER
Q506
BOOSTER
Q507
CUR DET
Q598
AF DETECTOR
Q509,510
Q511
Q604, Q605
BIAS
9
15
12
11
VEE
IN
+VE
NF
-VE
13 VCC
POWER AMP(C/W)
IC601
+VDD
-VDD
BOOSTER
Q606
BOOSTER
Q607
CUR DET
Q698
AF DETECTOR
Q609,610
Q611
Q704, Q705
BIAS
MUTE
Q501,503
14
5
15
6
1
2
3
VEE
VCC
IN
MUT
+VE
NF
-VE
13 VCC
POWER AMP(SL)
IC701
+VDD
-VDD
BOOSTER
Q706
BOOSTER
Q707
CUR DET
Q798
8
RY602
RELAY
DRIVE
Q546
RY501
RELAY
DRIVE
Q596
RY502
RELAY
DRIVE
Q645
RY601
RELAY
DRIVE
Q745
RY701
RELAY
DRIVE
Q681
RY681
RELAY
DRIVE
Q901
RY901
RELAY
DRIVE
Q671
RY671
JJ101
JJ102
L
R
L
R
L
R
R CH
R CH
R CH
C
S(L)
S(R)
R CH
SURROUND
SPEAKER
SUB
WOOFER
WOOFER
REAR
J701
PHONES
TM701
FRONT
SPEAKER
TM501
R CH
R CH
RESET
IC1206
5
8
3
6
+6.2
REG
Q1205
D801
SWITCH
Q613
PROTECTOR
Q547-549
F2
F1
F801
F802
D802-805
+VDD
-VDD
IMPEDANCE
SELECTOR
8
4
S801
F901
D901-904
CNP901
AC IN
L
R
:FM
:CD
D
• Signal Path
• R-CH is omitted due to same as L-CH.
IN
6
14 VCC
2
+VE
3
-VE
F803
F804
1
+5V
REG
3
+24V
1
+3.3V
REG
3
IC1203
IC1204
CNJ901
T902
MODE CONTROL
IC102
STOP
AC MUTE
PROTECTOR
PRE RY
REMOTO
CONTROL
RECEIVER
IC101
26
SIRCS
Q101
RESET
Q103
77
RESET
POWER
S101
POWER KEY
66
F2
F1
JW925
47
STOP
RESET
TV/SAT
CONTL S
STATUS IN
CONTL S
STATUS IN
MONITOR
CONTROL S
IN
CONTROL S
IN
VIDEO 1
CONTL S
OUT
CONTL S
OUT
DVD/LD
CONTL S
OUT
CONTL S
OUT
S-LINK
J204
J256
J255
J257
J258
LEVEL
CONTROL
Q257,258
11
4
LEVEL
CONTROL
Q255,256
LEVEL
CONTROL
Q254
3
2
5
6
7
1
IC254
SWITCH
Q251,252
ST-I/O
IC253
1
MUT
2
-15V
REG
REG
IC402
3
1
+15V
REG
IC401
3
3
+5V
REG
1
-15V
+15V
+5V
+32V
REG
+32V
Q801
F805
1
+6.2V
REG
3
IC1205
DIGITAL +5V
CONT
µCOM ETC
DISP
µCOM+5.6V
T901
F903
US,Canadian
US,Canadian
MODEL
90
LED CLR
DOUT
3
RY HP
SP/A RY
SP/B RY
RY CENTER
RY WOOFER
RY REAR
58
URESET
C
ABUS A1 IN
63
I/O
BUFFER
Q104
ABUS OUT
67
FLOURESCENT
INDICATOR TUBE
FL101
29
DIN
26
LA
T
34
CLK
24
CLR
4
LS
29
CLK
5
CL
30
DIN
FL DA
T
22
FL CLK
21
FL LA
T
24
FL CLEAR
25
SPEAKER
SWITCH
SP B
65
SP A
64
6
S102
49
MD0
89
LED CE
87
LED CLK
88
LED DA
TA
D122,123,136-140
D147,149-157
D124,125,128
2
1
5
4
3
MBUS DVD
94
MBUS VIDEO 1
93
MBUS ST
A OUT
96
MBUS TV
95
IC254
UP
55
DOWN
56
2
4
8
5
MOTOR
DRIVE
IC103
51
MD2
20
SINO
19
SOTO
61
U
D
ATA
62
UCLOCK
60
UMREQ
58
URESET
URESET
UMREQ
UCLOCK
UDATA
FLASH DO
FLASH DI
MD2
MD0
82
XO
XO
83
XI
XI
CARR OUT
IC106
SIRCS
CTL
I/O
SIRCS
DET.
IC107
Q105
+B
Q129,130
SIRCS IN
CA1 I
RESET
CA1 O
IC105
IC104
FL DRIVE
FL DRIVE
RY POWER
IC408
RV401
VOLUME
L
C
W
SL
M
IN
14
DATA
9
CLK
8
LAT
10
15
OUT
DATA
CLK
LAT
IC414
IN
3
DATA
9
CLK
8
LAT
10
2
OUT
DATA
CLK
LAT
IN
14
15
OUT
IC410
IC410
IN
14
DATA
9
CLK
8
LAT
10
15
OUT
DATA
CLK
LAT
IC409
VOL CONT
IC416
VOL CONT
IC415
VOL CONT
B
DATA
CLK
LAT
59
USREQ
USREQ
RDS DATA
54
RDS CLK
53
RDS SIGNAL
46
RDS DATA
RDS CLK
ANT LEVEL
A
AF DETECTOR
Q709,710
A
B
R
L
JW927
JW928
MODEL
EXCEPT
1
+5V
REG
3
IC1501
CODEC +5V
D806-809
D1208
D1211
7
POWER R
Y
RESET
LA
T
LAT
D1209
X101
16MHz
15
33
2
12
11
16
5
14
98
99
X102
7.82MHz
DB930/V929 MODEL
9
BUFFER
Q253
US,Canadian MODEL
76
JOG DOWN
75
JOG UP
RV102
D140-145
79
FUNCTION DOWN
78
FUNCTION UP
RV101
19
18
17
16
LED DRIVER
IC108
9
15
20
29
1
7 .
.
FUNCTION
KEY
KEY INPUT 1
KEY INPUT 2
KEY INPUT 3
KEY INPUT 4
KEY INPUT 5
38
S126-128
FUNCTION
KEY
39
S119-121
FUNCTION
KEY
40
S129,130
S115-118
FUNCTION
KEY
41
S111-114
S122-124
S122-124
FUNCTION
KEY
43
S103-110
S131
TUNER
PHONO
TAPE
MD/DA
T
CD
29
PRE OUT
FRONT
CENTER
DISP +5V
+5V
REG
3
IC1207
1
DIGITAL PWB
FROM SUFFIX-12
FROM SUFFIX-12
4-2. BLOCK DIAGRAM POWER SECTION
Ver 1.1 2002. 02
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