DOWNLOAD Sony STR-DG820 Service Manual ↓ Size: 5.44 MB | Pages: 97 in PDF or view online for FREE

Model
STR-DG820
Pages
97
Size
5.44 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
str-dg820.pdf
Date

Sony STR-DG820 Service Manual ▷ View online

STR-DG820
STR-DG820
13
13
SPECIAL  MENU  MODE
Procedure:
1.  Press the [POWER] button to turn on the main power, then while pressing the [TONE MODE] button, press the [A.F.D.], [2CH/A. 
DIRECT], [MUSIC], [MOVIE] button in order, the message “SPECIALIZE” appears.
2.  Press the [M] [m] button on the remote commander, the message “< SPECIAL>” appears.
3.  Press the [,] button on the remote commander, the item is appears.
4.  Each time the [M] [m] button on the remote commander is pressed, the item is switched in order as follows.
 
Some items can change the content. Display the cursor by pressing the [,] button on the remote commander, and changing the content 
by pressing the [M] [m] button on the remote commander, and fi x the content by pressing the [<] button on the remote commander 
when you want to change the content of the item.
5.  To release from this mode, while pressing the [TONE MODE] button, press the [A.F.D.], [2CH/A. DIRECT], [MUSIC], [MOVIE] but-
ton in order again, the message “OFF” appears.
Items
Display
Remark
Model/Destination change
MODEL
When [,] button on the remote commander is pressed, the message “G82 
** XXX” is appears
**: Destination
XXX: FIX or AUT
Main micom version display
M.Ver X.XX
X.XX: System controller software version
HDMI micom version display
H.Ver X.XX
X.XX: HDMI controller software version
DSP serial fl ash version display
S.Ver X.XX
X.XX: Serial fl ash software version
HD update
HD UPDATE
When [,] button on the remote commander is pressed, the message “ON” 
or “OFF” is appears
HDCP key read
HDCP KEY
When [,] button on the remote commander is pressed, the message “ON” 
or “OFF” is appears
Auto cal mic test
SP OUT
When [,] button on the remote commander is pressed, the message 
“SOURCE” or “mic” is appears
SOURCE: normal mode, MIC: mode that output audio from mic input
FL display fonts test
FL FONT
When [,] button on the remote commander is pressed, the message 
“0X**=X” is appears
**: 20 to FF, X: character
FL display test
All segments turn on
Each time [DISPLAY] button to change as follows
all on t test pattern 1 t test pattern 2 t all off t all on
DSP halt
DSP HALT
When [,] button on the remote commander is pressed, the message “ON” 
or “OFF” is appears
Super reset
RESET
Not used for the servicing
When EEPROM initialization is required, perform the “memory clearing 
mode”
RAM watch menu
RAM WATCH
When [,] button on the remote commander is pressed, the message 
“XXXXXXXXXX” is appears
XXXXXXXXXX: Various internal RAM (Switching with [M] [m] button on the 
remote commander)
EEPROM debug
EEPROM
When [,] button on the remote commander is pressed, the message “****   
XX” is appears
****: EEPROM address, XX: EEPROM data
Protector on/off
PROTECTOR
When [,] button on the remote commander is pressed, the message “ON” 
or “OFF” is appears
Audio swap
SWAP MODE
When [,] button on the remote commander is pressed, the message 
“XXXXXXXXXX” is appears
XXXXXXXXXX: audio swap mode
Switching with [M] [m] button on the remote commander
Volume value display (FL/FR)
F****RXXXX
****: Front L-ch volume value, XXXX: Front R-ch volume value (for design 
evaluation)
Volume value display (SL/SR)
S****AXXXX
****: Surround L-ch volume value, XXXX: Surround R-ch volume value (for 
design evaluation)
Volume value display (CT/SW)
C****WXXXX
****: Center volume value, XXXX: Sub woofer volume value (for design 
evaluation)
Volume value display 
(SBL/SBR)
B****BXXXX
****: Surround back L-ch volume value, XXXX: Surround  back R-ch volume 
value (for design evaluation)
DAC mute information disclosure 1
U XXXXXXXX
Display of module information to demand muting in system controller (for 
design evaluation)
DAC mute information disclosure 2
L XXXXXXXX
Display of module information to demand muting in system controller (for 
design evaluation)
FL display duty change
DUTY
When [,] button on the remote commander is pressed, the message “XXX” 
is appears
XXX: Duty value of FL display (1% to 100%) (for design evaluation)
SECTION  5
ELECTRICAL  CHECK
FM  AUTO  STOP  CHECK
signal 
generator
set
Procedure:
1.  Turn on the set.
2.  Input the following signal from signal generator to FM antenna 
input directly.
Carrier frequency : A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation 
: 75 kHz
Modulation 
: 1 kHz
ANT input 
: 35 dBu (EMF)
Note:  Use 75 ohm coaxial cable to connect signal generator and the set. 
You cannot use video cable for checking.
 
Use signal generator whose output impedance is 75 ohm.
3.  Set to FM tuner function and scan the input FM signal with 
automatic scanning.
4. Confi rm that input frequency of A, B and C are detected and 
automatic scanning stops.
When the station signal is received in good condition, automatic 
scanning stops.
SOFTWARE  VERSION  DISPLAY  MODE
The software version is displayed.
Procedure:
1.  While pressing the [TONE MODE] and [MUSIC] buttons, 
press the [POWER] button to turn on the main power.
2.  The message “M.Ver X.XX” appears.
 
Each time the [DISPLAY] button is pressed, “H.Ver X.XX”, 
“V.Ver X.XX”, “G.Ver X.XX”, “F.Ver X.XX” and “S.Ver 
X.XX” this order, and returns to the “M.Ver X.XX” displayed.
Ver. 1.3
STR-DG820
STR-DG820
14
14
SYSTEM CONTROLLER
IC7001 (1/4)
DIGITAL OPTICAL
RECEIVER
IC2201
TV
IN
SCHMITT
TRIGGER
IC2239
DIGITAL AUDIO
INTERFACE RECEIVER
IC2208
J2001
COAXIAL
DVD
IN
A/D CONVERTER
IC2233
D2203
RX0
RDATA
CEC DATA
SWITCH
Q7001 – 7004
VIDEO AMP
IC210
DIGITAL OPTICAL
RECEIVER
IC2202
VIDEO 1
IN
VIDEO 2 IN/
PORTABLE AV IN
VIDEO
DVD
VIDEO IN
SAT
VIDEO IN
DIGITAL OPTICAL
RECEIVER
IC2204
SAT
IN
OPTICAL
VIDEO 1 IN
DVD IN
J211
(1/2)
DIGITAL
(ASSIGNABLE)
COMPONENT
VIDEO
2
21
XMCK
DIR_DO
R-CH
27
DOUT 9
RBCK
DIR_BCK
17
BCK
8
VINL
13
VINR
14
LRCK
7
SCKI
6
RLRCK
DIR_LRCK
20
RMCK
DIR_MCK
16
SI_A
SI_A, DIR_BCK,
DIR_LRCK, DIR_MCK
L_OUT
SI_B
RX2
4
RX3
5
RX4
8
VIN3
7
1
DMPORT_RX
141
CH1 IN1
1
CH2 IN1
8
CH3 IN1
17
CH1 IN2
3
CH2 IN2
10
CH3 IN2
15
VIN1
9
RX6/UI
10
XIN
DO
29
37
COMPOSITE_SW1
160
80
SW1
14
COMPONENT_SW1
165
SW1
2
COMPONENT_SW2
166
SW1
4
VMUTE
167
PS
23
COMPOSITE_SW2
159
SW2
10
COMPOSITE_SW3
158
SW3
4
COMPOSITE_SW4
157
X1_(CLOCK_OUT)
40
EEPROM_SDA
174
EEPROM_SCL
175
X0_(CLOCK_IN)
39
SW4
6
SW5
VOUT1
2
DIR_ERROR
REER
36
79
DIR_CKST
CKST
34
78
DIR_DA
TA0
77
COM1_DA
TA
DI
38
81
COM1_CLK
CL
40
83
DIR_CE
CE
39
82
DIR_XMODE
XMODE
41
84
XOUT
28
A
SPDIF
SWITCHING
IC2234
B
AUDIO /VO 33
DIR_NON_AUDIO
E
DIR_ERROR
F
COM1_DATA, COM1_CLK
COM1_CLK
COM1_DATA
G
CEC
H
SDA, SCL
HDMI_RESET
J
D
C
X2201
24.576MHz
D211
D210
VIN5
3
VIN4
VIN2
5
CN2226 (1/2)
17
DMPORT_VIDEO
5
DMPORT_RX
DMPORT_TX
140
6
DMPORT_TX
DMPORT_DET
76
7
DET
DMPORT
J703 (1/2)
VIDEO 1
VIDEO IN
13
24
CH1 OUT
101
CEC_IN
117
HDMI_SDA
SDA
SCL
HDMI_RESET
118
HDMI_SCL
65
HDMI_UCOM_RST
120
CEC_OUT
22
CH2 OUT
20
CH3 OUT
J210 (1/2)
MONITOR
VIDEO OUT
J210 (2/2)
15
VOUT2
VIDEO 1
VIDEO OUT
J211 (2/2)
Y
P
B
/C
B
P
B
/C
B
Y
P
B
/C
B
P
B
/C
B
SAT IN
CH1 IN3
5
CH2 IN3
12
CH3 IN3
13
Y
P
B
/C
B
P
B
/C
B
Y
P
B
/C
B
P
B
/C
B
J220 (1/2)
J220 (2/2)
J221
COMPONENT
VIDEO
MONITOR OUT
VIDEO AMP
IC220
X7001
4MHz
EEPROM
IC7005
: VIDEO
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SIGNAL PATH
R-ch is omitted due to same as L-ch.
6-1.  BLOCK  DIAGRAM  - MAIN Section -
SECTION  6
DIAGRAMS
(Page 15)
(Page 16)
(Page 16)
(Page 16)
(Page 16)
(Page 15)
(Page 15)
(Page 17)
(Page 16)
STR-DG820
STR-DG820
15
15
CN3500
SAT IN
ADT0P
YDT0P
52
31
YDT0N 32
YDT1P 28
YDT1N 29
YDT2P 25
YDT2N 26
YCLKP 34
YCLKN 35
ADT0N
51
7
DATA0+
HDMI INPUT
SELECTOR
IC3501
HDMI
RECEIVER
IC3506
9
DATA0–
ADT1P
55
ADT1N
54
4
DATA1+
6
DATA1–
ADT2P
58
ADT2N
57
1
DATA2+
3
DATA2–
ACLKP
49
ACLKN
48
10
CLOCK+
12
CLOCK–
SDA_A
45
SCL_A
46
16
SDA (5V)
15
SCL (5V)
HPD_A
44
19
HOT PLUG DET
13
CEC
18
+5V POWER
CN3503
VIDEO 1 IN
7
DATA0+
9
DATA0–
4
DATA1+
6
DATA1–
1
DATA2+
3
DATA2–
10
CLOCK+
12
CLOCK–
16
SDA (5V)
15
SCL (5V)
19
HOT PLUG DET
13
CEC
18
+5V POWER
7
DATA0+
9
DATA0–
4
DATA1+
6
DATA1–
1
DATA2+
3
DATA2–
10
CLOCK+
12
CLOCK–
16
SDA (5V)
15
SCL (5V)
19
HOT PLUG DET
13
CEC
CN3505
HDMI
OUT
CN3501
DVD IN
BDT0P
71
BDT0N
70
7
DATA0+
9
DATA0–
BDT1P
74
BDT1N
73
4
DATA1+
6
DATA1–
BDT2P
77
BDT2N
76
1
DATA2+
3
DATA2–
R0X0+
44
HSYNC 20
HSYNC
2
VSYNC 21
VSYNC
3
ODCK 5
IDCK
88
DE 19
DE
1
SPDIF 78
SPDIF
SD0 – SD3
BCK
LRCK
MCK
A
MUTE
(HDMI_ERROR)
L
SDA, SCL,
HDMI_RESET
J
SD0 – SD3, BCK,
LRCK, MCK
K
SPDIF
4
SCK 86
SCK
11
WS
CSDA
85
WS
10
49
CSCL 48
MCLK 89
MCLK
5
R0X0–
43
R0X1+
48
R0X1–
47
R0X2+
52
R0X2–
51
R0XC+
40
R0XC–
39
DSDA0
33
DSCL0
34
R1X0+
62
R1X0–
61
R1X1+
66
R1X1–
65
R1X2+
70
R1X2–
69
R1XC+
58
R1XC–
57
DSDA1
28
DSCL1
R1PWR5V
Q0
– Q35
SD0
– SD3
SD0
– SD3
D0
– D35
27
30
SDA_SINK 39
SCL_SINK 38
CSDA
26
CSCL
27
D3000
D3001
OUTDIS 42
HPD_SINK 40
SELA
1444_SELA
1444_SELB
1444_SELC
23
SELB 22
SELC 21
TX0+ 34
TX0– 33
TX1+ 37
TX1– 36
TX2+ 40
TX2– 39
TXC+ 31
TXC– 30
DSDA 47
DSCL 46
HPD 51
BCLKP
68
BCLKN
67
10
CLOCK+
12
CLOCK–
SDA_B
63
SCL_B
64
16
SDA (5V)
15
SCL (5V)
HPD_B
62
19
HOT PLUG DET
13
CEC
18
+5V POWER
HDMI
CN3502
BD IN
CDT0P
9
CDT0N
8
7
DATA0+
9
DATA0–
CDT1P
12
CDT1N
11
4
DATA1+
6
DATA1–
CDT2P
15
CDT2N
14
1
DATA2+
3
DATA2–
CCLKP
6
CCLKN
5
10
CLOCK+
12
CLOCK–
SDA_C
2
SCL_C
3
16
SDA (5V)
15
SCL (5V)
HPD_C
80
19
HOT PLUG DET
CEC
H
13
CEC
18
+5V POWER
LEVEL SHIFT
IC3502
SWITCH
Q3501
R0PWR5V
35
SWITCH
Q3500
2Y1
5
2Y2
2-COM
P5V_SELA
XOUT
XIN
P5V_SELB
2
3
2Y3
4
10
SIGNAL SELECTOR
IC3503
A
9
55
HPD_IN1
Q3505
22
56
1444_SELA
51
1444_SELB
52
1444_SELC
1444_OEB
1444_HPD
53
B
EDID_SELA
EDID_SELB
A
35 36
CSDA
CSCL
28 27
B
INVERTER
IC3513
1444_OEB
1444_HPD
54 21
INT 102
MUTEOUT 75
RESET# 100
RX_INT
RX_RST
RX_INT
RX_RST
20 19
MUTE
65
INT 24
RESET# 25
TX_INT
TX_RST
TX_INT
TX_RST
43 42
2Y0
1
1Y0
12
2Y3
4
1Y3
11
SDA
5
SCL
6
2Y1
5
1Y1
14
2-COM 3
1-COM 13
VUCOM_SDA
SDA
SCL
HDMI_RESET
33
NON_LPCM
M
NON_LPCM 64
TX_5VPWR
N
TX_5VPWR 41
VUCOM_SCL 34
RESET 10
DATA SELECTOR
IC3504
EEPROM
IC3505
10 9
A B
WP
7
XT
ALOUT
94
XT
ALIN
95
X3500
28.322MHz
16 – 13, 10 –7, 3 – 1, 144,
141 – 138, 135 –132, 129 – 126,
123 – 120, 1
17 –1
14, 1
11 – 108,
98 – 90, 86 – 77,
75 – 67, 63 – 56
36
4
81 – 84
9 – 6
BUFFER
IC3507
13
11
X3000
10MHz
HDMI
TRANSCEIVER
IC3508
HDMI CONTROLLER
IC3000
: VIDEO
: AUDIO (DIGITAL)
SIGNAL PATH
6-2.  BLOCK  DIAGRAM  - HDMI Section -
(Page 14)
(Page 14)
(Page 16)
(Page 16)
(Page 14)
(Page 16)
(Page 18)
STR-DG820
STR-DG820
16
16
DIR_BCK
DIR_LRCK
DIR_MCK
SI_A
SI_A, DIR_BCK,
DIR_LRCK, DIR_MCK
B
BCK
SD1
LRCK
MCK
SD0
SD0 – SD3, BCK,
LRCK, MCK
K
SI_B
D
DIR_ERROR
F
DIR_NON_AUDIO
E
NON_LPCM
M
MUTE
(HDMI_ERROR)
L
SIGNAL SELECTOR
IC2212
SIGNAL SELECTOR
IC2236
A3
14
DSP
IC5021
AXR0[10]
/AXR1[3]
B8
AXR0[11]
/AXR1[2]
A8
AXR0[12]
/AXR1[1]
B7
ACLKR0
A5
ACLKR1
E1
AXR0[13]
/AXR1[0]
B6
SD2
AXR0[14]
/AXR2[1]
A6
SD3
AXR0[15]
/AXR2[0]
AHCLKX0/
AHCLKX2
B5
B3
Y3
13
12
AXR0[0] A14
AXR0[1] B13
AXR0[2] A13
AXR0[3] B12
ACLKX0 A4
ACLKX1 E2
AFSR0
B4
AFSX2
C11
AFSR2
SPI0_SOMI
C12
Y2 9
A2
11
B2
10
A1
5
B1
6
AFSR1
F1
C2
Y1 7
A0
2
B0
3
1
Y0
SELECT
4
MUTING
IC2232
B2
9
A2
Y2
10
8
Y3 11
B3
12
A3
13
B1
5
A1
4
Y1 6
B0
2
A0
1
D/A CONVERTER
IC2238
DATA1
45
DATA2
R-CH
46
DATA3
47
DATA4
31
Y0 3
CH0
7
CH1
6
5
COMMON
A
2
SO
5
SI
6
SCK
1
CE#
1
BUFFER
IC2211
90
HDMI/DIR
SELECT
64
HDMI_ERROR
(MUTE)
169
FSRA
TE
137
B14
SPI0_MISO
SPI0_SIMO
138
B15
SPI0_MOSI
SPI0_CLK
139
C16
SPI0_CLK
SPI0_SCS#
95
C15
SPI0_CS#
92
SFLASH_CE#
7
HOLD#
33
MDO
34
MDI
35
MC
36
ML
37
RST
91
SFLASH_HOLD#
SPI0_ENA#
93
D16
SPI0_ENA#
ACLKX2
163
D11
SPI0_INT
69
DA_MD0
75
DAC_MUTE
72
DIGI/ANA
70
DA_LA
TCH
71
DA_RESET
COM1_DATA, COM1_CLK
COM1_CLK
COM1_DATA
G
XML
Q
RESET#
94
G2
DSP_RESET
3
+D
2
ÐD
J101
XM
COMRXP
18
DATA
2
BCK
R-CH
1
LRCK
3
SCK
16
COMRXM
19
COMTXP
23
COMTXM
22
XM_MIXMO
3
148
SCTXOUT
XM_MOXMI
5
149
SRCXIN
XM_RESET
OSCOUT
26
OSCIN
28
X101
45.1584MHz
11
150
RESET
XM_DAC_MDI
13
144
MD(MDI)
XM_DAC_MC
14
143
MC
XM_DAC_MS
15
142
ML(MS)
XM RECEIVER
IC102
D/A CONVERTER
IC105
I2SDATA 37
VOUTL 7
VOUTR 8
I2SSCLK 39
I2SLRCLK 41
I2SOCLK 43
LINE AMP
IC104
SERIAL FLASH
IC5020
MUTING
CONTROLLER
IC2226
BCK
40
AFSX0 A3
AFSX1
EM_D[0] –
EM_D[31]
F2
EM_CLK R14
LRCK
41
SCKI
38
VOUT3 12
VOUT4 11
LINE AMP
IC2220
VOUT5
C
SL
10
VOUT6 9
LINE AMP
IC2221
R-CH
VOUT1 14
VOUT2 13
LINE AMP
IC2222
R-CH
VOUT7 16
VOUT8 20
LINE AMP
IC2219
SW
FL
SBL
FL, SL, C,
SW, FBL
P
+
MUTING
SWITCH
Q2205
MUTING
SWITCH
Q2206
SD-RAM
IC5022
CLK
DQ0 – DQ31
EM_A[0] –
EM_A[10]
A0 – A10
68
EM_CKE T14
CKE
67
EM_CS[0]# F15
CS#
20
EM_RAS# F16
RAS#
19
EM_CAS# R3
CAS#
18
EM_WE# T3
WE#
17
EM_BA[0] G15
BA0
22
EM_BA[1] H16
BA1
23
EM_DQM[0] R4
DQM0
16
EM_DQM[1] T13
DQM1
71
EM_DQM[2] P13
DQM2
28
EM_DQM[3] R15
DQM3
59
D2201
SYSTEM CONTROLLER
IC7001 (2/4)
OSCIN
J2
OSCOUT
J3
X002
25MHz
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SIGNAL PATH
R-ch is omitted due to same as L-ch.
(US, Canadian)
6-3.  BLOCK  DIAGRAM  - DSP/XM Section -
(Page 14)
(Page 14)
(Page 15)
(Page 14)
(Page 15)
(Page 14)
(Page 17)
(Page 17)
(Page 15)
(Page 14)
Page of 97
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