Sony STR-DG300 Service Manual ▷ View online
9
STR-DG300
2-6. STANDBY BOARD
3
screw
(+BVTP 3
(+BVTP 3
×
8)
4
STANDBY board
1
CNP902 (2P)
2
CNP804 (3P)
10
STR-DG300
SECTION 3
TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
* Procedure:
While depressing the [SPEAKERS $OFF/A/B/A+B%] and the
[MUSIC] buttons simultaneously, press the
[MUSIC] buttons simultaneously, press the
?/1
button to turn
on the main power.
The message “FACTORY” appears for a moment and the present
contents are reset to the default values.
The message “FACTORY” appears for a moment and the present
contents are reset to the default values.
VACUUM FLUORESCENT DISPLAY TEST MODE
* All fluorescent segments are tested.
When this test is activated, all segments light on at the same
time, then each segment lights on one after another.
time, then each segment lights on one after another.
* Procedure:
While depressing the [TUNING MODE] and the [DISPLAY] but-
tons simultaneously, press the
tons simultaneously, press the
?/1
button to turn on the main
power.
1. ALL segments light on.
2. Turn the [INPUT SELECTOR] control, confirm display.
3. Turn the [INPUT SELECTOR] control, confirm display.
4. Turn the [INPUT SELECTOR] control, all segments light off.
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 [A.F.D.] button, press the
?/1
button to
turn on the main power.
The message “S.F. CLR.” appears for a moment and initializa-
tion is performed.
The message “S.F. CLR.” appears for a moment and initializa-
tion is performed.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
* Procedure:
While depressing the [SPEAKERS $OFF/A/B/A+B%] and the
[DISPLAY] buttons simultaneously, press the
[DISPLAY] buttons simultaneously, press the
?/1
button to turn
on the main power.
The model name, destination and the software version are dis-
played for a moment.
The model name, destination and the software version are dis-
played for a moment.
KEY CHECK MODE
* Button check
* Procedure:
* Procedure:
While depressing the [SPEAKERS $OFF/A/B/A+B%] and the [A.F.D.]
buttons simultaneously, press the
buttons simultaneously, press the
?/1
button to turn on the
main power.
Either the message “REST 14” appears.
Every pressing of any button other than the
Either the message “REST 14” appears.
Every pressing of any button other than the
?/1
counts down
the buttons. The buttons which are already counted once are not
counted again. When all buttons are pressed “REST 00” appears.
counted again. When all buttons are pressed “REST 00” appears.
AUTOBETICAL MODE
* When this mode is used, the receiver scans the broadcasts that
can be received by the tuner, and sets up the broadcasts.
Be sure to start scanning after connecting the antenna.
Be sure to start scanning after connecting the antenna.
* Procedure:
Check that the antenna is connected.
While depressing the [INPUT MODE] button, press the
While depressing the [INPUT MODE] button, press the
?/1
button to turn on the main power.
The message “AUTO-BETICAL SELECT” appears for a mo-
ment and the receiver starts scanning.
The message “AUTO-BETICAL SELECT” appears for a mo-
ment and the receiver starts scanning.
COMMAND MODE SELECTION MODE
* The command mode (AV1 or AV2) of the remote commander
can be selected.
* Procedure:
While depressing the [BASS ---] button, press the
?/1
button to
turn on the main power.
Either the message “C.MODE.AV 1” or “C.MODE.AV 2” ap-
pears for a moment and select the desired mode.
Either the message “C.MODE.AV 1” or “C.MODE.AV 2” ap-
pears for a moment and select the desired mode.
L
SW
LFE
C
R
SL
S
SR
SBL SB
SBR
SP A
SP B SLEEP OPT COAX HDMI 96/24
SP B SLEEP OPT COAX HDMI 96/24
DIGITAL EX
PRO LOGIC II x DTS-ES NEO:6 AAC CAT RDS
D.RANGE EQ STEREO MONO A.DIRECT
D D
D D
dB
k Hz
m ft.
MHz
MEMORY
L
SW
LFE
R
S
SB
A
SLEEP
COAX
96/24
EX
DTS
II
NEO:6
D.RANGE
D.RANGE
STEREO
dB
Hz
ft.
MEMORY
AAC
C
SL
SR
SBL
SBR
SP
SP B
SP B
OPT
HDMI
DIGITAL
x
PRO LOGIC
-ES
RDS
EQ
MONO A.DIRECT
D D
D D
k
m
MHz
CAT
STR-DG300
11
11
STR-DG300
4-1. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
SECTION 4
DIAGRAMS
(Page 13)
(Page 12)
(Page 12)
(Page 14)
43
76
75
78
75
78
74
73
73
70
SA-CD/CD
IN
MD/TAPE
OUT
MD/TAPE
IN
DVD
AUDIO IN
VIDEO 3 IN/
PORTABLE AUDIO IN
L
J403
J2500
J402
J404
R
R–CH
R–CH
R–CH
R–CH
L
R
R–CH
AM
TN1
FM/AM TUNER UNIT
SYSTEM CONTROL
IC1101 (1/4)
L
R
L
R
L
-3
-4
-1
-2
-5
-6
R
L
VIDEO 2
AUDIO OUT
AUDIO IN
AUDIO IN
R
L
R
R–CH
RDS SIG/XM REQ
S LATCH
SW RY
VOL DA
VOL CL
STEREO
TUNED
TUNED
MUTE
DO
17 TUNER DATA/FL DATA
16 T.SERIAL CLK/FL CLK
16 T.SERIAL CLK/FL CLK
L–CH
R–CH
STEREO
TUNED
MUTING
CE
DO
DATA
CLOCK
VIDEO 1
AUDIO
OUT
SUB
WOOFER
RELAY
DRIVER
Q560
SUB WOOFER
AMP
IC402
J309
RY560
R–CH
L–CH
R–CH
L–CH
TU+3.3V
11
14
14
60
59
59
FM 75Ω
COAXIAL
44
45
24
25
68
66
32
28
30
34
38
60
59
59
46
ANTENNA
10
13
12
41
42
88
87
85
84
86
81
83
82
5
7
54
56
51
52
49
SW
SEL
C
SEL
SL
SEL
L
SEL
R–CH
R–CH
26
27
27
R–CH
R–CH
R–CH
R–CH
DIR
FUNCTION SELECT
IC401
AVCC
AVEE
+7V
–7V
-3
-4
-1
-2
22
-3
-4
-1
-2
SEL
SW
MCU
I/F
R–CH
SW OUT
L OUT
R–CH
R–CH
TU+10V
52 RDS CLK/XM DPOWER
RDS INT
FM SIG OUT
53 RDS DATA/XM COMMAND
RDS DATA
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R
–
ch is omitted due to
same as L
–
ch.
SBL
SEL
SEL
36
FL CLK
FL DATA
KEY/
DISPLAY
SECTION
SECTION
C
DIGITAL
SECTION
B
17
DIGITAL
SECTION
A
POWER
SECTION
D
STR-DG300
12
12
STR-DG300
4-2. BLOCK DIAGRAM — DIGITAL SECTION —
(Page 11)
(Page 11)
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
: CD (DIGITAL)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
1
+5V-2
A.5V
SDI1
SD01
DOUT
15
18
GP8
AUDIO 24
SYS CLK
16
XMCK
20
69
LRCKI1
15
BCKI1
17
KFSI0
CKOUT 13
22
BCKI2
BCK 14
29
LRCKI2
LRCK 15
28
SDI2
CS
WE
DATAO
LRCK 13
BCK 14
23
SD02 24
SD03 25
SD03 25
SD04 26
SCKOUT 14
LRCKO 19
BCKO
LRCKO
SCKOUT
BCKO
20
X1502
13.9MHz
X1301
12.288MHz
MCLK1 9
MCLK2 12
CSO 44
WEO 45
68
108,107,105 -102,99,
98,80 - 77,75 - 72
24 - 27,42 - 44,
1 - 5,18 - 21
29 - 32,35 - 38,
16-13,10 - 7
112,110,109,97 - 92,
85-82,66 - 64
6
17
2 113
36
35 33 34
32
2
1
37
6 7
4
18 19 20
5
EXLOCK
GP12
56
BST
ERROR
21
22
RST
6
95
96
97
98
38
37
36
35
33
47
17
INPUT
DATA
DEMODULATOR
Pa,Pb DETECTION
LOCK
DETECTION
MICROPROCESSOR
I/F
C bit DETECTION
34
59
16
30
DVD
IN
DIGITAL
(COAXIAL)
1
(OPTICAL)
OUT
IC1354
1
VIDEO 2
IN
VIDEO 1
IN
(OPTICAL)
OUT
IC1351
IC1303
DIGITAL AUDIO
I/F RECEIVER
IC1301
J1301
2
3
WAVE
SHAPER
+2.6V
VDDI
+3.3V
VDDE
5
+3.3V
VDD
NC
L-IN
R-IN
R-CH
L IN
LPF
AUDIO
I/F
ADC
IC1401
DSP
IC1501
SDRAM
IC1502
SWITCH
IC1503
GP9
DATAO
8
GP12
99
ERROR
HACN
HCS
XRST
HDIN
PM
15
14
13
12
10
3
BST
92
BST SEL
PCM1609 RST
PCM1609 ML
PCM1609 MC/XMDAC MC
PCM1609 MDO
PCM1609 MDI/XMDAC MDI
57
ADCC_INT
ADCC_INT
ADCC_INT
HDOUT
HCLK
GP9
HACN
HCS
XRST
HDIN
PM
HDOUT
HCLK
6
CLK
CE
DI
DO
XSTATE
CLK
CE
DI
DO
BPSYNC
CKSEL1
93
100
48
XMODE
94
CKSEL1
XMODE
XSTATE
5
4
3
XOUT
DIN1
8
SDIN
DIN2
2
DOUT
DIN0
XIN
D1301
D1503
D1502
D1504
D1501
D0-15
A0-15
D0-15
A0-15
SYSTEM
CONTROL
IC1101 (2/4)
TUNER/
AUDIO
SECTION
B
TUNER/
AUDIO
SECTION
A
OE
OEO 43
41
ADC
DATA3
L OUT
R-CH
VOUT5
VOUT6
47
3
10
1
5
9
7
AMP
IC1403
DATA1
SW OUT
VOUT1
VOUT2
45
14
13
AMP
IC1404
DATA2
VOUT3
VOUT4
46
SCKI
38
BCK
40
LRCK
SCKOUT
BCKO
LRCKO
41
ML
36
RST
37
MDI
34
MDO
33
MC
35
LRCKO
12
5
11
7
DATA4
VOUT7
VOUT8
31
16
20
8CH DAC
IC1452
DAC
DAC
DAC
DAC
1
2
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