Sony STR-K790 Support Question
Sony STR-K790 Support Question
Find answers below for this question about Sony STR-K790 - Lifier.Need a Sony STR-K790 manual? We have 1 online manual for this item!
Question posted by cesargoca on September 17th, 2021
Sony Str-k685,sale Error 12
tengo un equipo sony ,modelo : str - k685,mucho zumba los woofer y cuando calibro los parlantes sale error 12 .le agradeceria si me resolviera ese problema.gracias
Current Answers
Answer #1: Posted by SonuKumar on September 17th, 2021 10:06 AM
SonuKumar
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May 9th, 2021 Points: 16,621,300
Member since:
May 9th, 2021 Points: 16,621,300
Error 12 is what you get if you autocalibrate and do not have the microphone attached.
https://www.fixya.com/support/t958921-error_12_message_sony_multichannel_av
https://www.sony.com/electronics/support/articles/00025129
https://helpguide.sony.net/ha/strdn107/v1/en/contents/TP0000960595.html
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
Your search handyman for all e-support needs!!
Answer #2: Posted by Technoprince123 on September 17th, 2021 12:36 PM
Technoprince123
Member since:
February 8th, 2021 Points: 1,205,190
Member since:
February 8th, 2021 Points: 1,205,190
https://www.fixya.com/support/t958921-error_12_message_sony_multichannel_av
https://www.sony.com/electronics/support/articles/00025095
https://www.justanswer.com/tv-repair/7z5bo-sony-str-k7100-surround-sound-error-code-12-sound.html
Please response if this answer is acceptable and solw your problem thanks
Related Sony STR-K790 Manual Pages
Service Manual - Page 1
...Ver. 1.1 2007.03
STR-K790
US Model Canadian Model
AEP Model UK Model
• STR-K790 is the tuner and the...surround speakers and sub woofer. rated 85 watts per channel Surround mode2) (reference) (6 ohms 100 Hz, THD 10%) SUB WOOFER: 135 W
1)...
9-887-542-02
2007C16-1 © 2007.03
Sony Corporation
Home Audio Division Published by Sony Techno Create Corporation "Dolby", "Pro Logic" and the...
Service Manual - Page 2
STR-K790
Power consumption
Area code
Power consumption
US
210 W
Canadian
290 VA
AEP, UK
220 W
Power consumption (during standby mode)
0.3 W
Dimensions (w/h/d) (Approx.) 429 × 145 × 308 mm (16 7/8 × 5 6/8 × 12...leakage. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
SAFETY CHECK-...
Service Manual - Page 3
... indicated in the text, for example, "Models of the rear panel (see the illustration below).
ELECTRICAL ADJUSTMENT 12
4. MAIN Section 14 4-2. Printed Wiring Board - DIGITAL Board (Side B) - ...... 17 4-5. DIGITAL Board ... POWER Board, DCAC Board,
HEADPHONE Board 33 4-21.
MAIN Board 25 4-13. STR-K790
About area codes
The area code of the receiver you purchased is shown on the ...
Service Manual - Page 5
...from the SUB WOOFER jack. Lights up when audio signal is ...Left Surround Right Surround (monaural or the surround components obtained by Pro Logic processing) Example: Recording ...is selected. However, "UNLOCK" appears on presetting radio stations. STR-K790
About the indicators on the display if no digital signal is.... However, "UNLOCK" appears on the display
12
3
4
56
SW LFE LCR SL S...
Service Manual - Page 6
STR-K790
Rear panel US, Canadian models
12
3
4
DIGITAL OPTICAL
VIDEO 2/ BD IN COAXIAL DVD IN
ANTENNA AM
L
R AUDIO IN AUDIO IN AUDIO IN SA-CD/CD TV SAT
RL
SUB
RL
WOOFER SURROUND
SPEAKERS
RL
RL CENTER FRONT SPEAKERS
A DIGITAL INPUT section
OPTICAL Connects to a CD
White (L) jacks
player, etc. AEP, UK models
12
C AUDIO INPUT section
AUDIO IN Connects...
Service Manual - Page 7
...
A TV ?/1
Press TV ?/1 and TV (O) at
(on . B ?/1 (on/standby)
Press to turn on or off the Sony audio/video components that the remote is assigned to their factory settings.
Doing so may be reset to operate. STR-K790
Inserting batteries into the remote
Insert two R6 (size-AA) batteries in tuner
7 Note The function of...
Service Manual - Page 11
... Connect front left speaker, and the display will show :
"DCAC[][][]x" x = 1, 2, 3 If there is error happen, below display will change accordingly. DCAC board Checking
Start
DSP Data Line Pass Check
Auto Cal Mic Pass Check...will be test tone sound output from front left speaker of test tone)
STR-K790
11 DCAC FACTORY TEST MODE DCAC Factory Test mode have two stages:
1. "DCAC[]FTM" appears.
Service Manual - Page 12
...C are detected and automatic scanning stops. You cannot use SG whose output impedance is received in good condition."
12 Input the following signal from Signal Generator to FM antenna input directly.
* Carrier Freq : A = 87.5 ... function and scan the input FM signal with automatic scanning.
4. STR-K790
Ver. 1.1
TUNER SECTION [FM Auto Stop Check]
SET
SECTION 3 ELECTRICAL ADJUSTMENT
generator OUT (75 Ω)...
Service Manual - Page 15
...STR-K790
• R-CH is omitted due to same as L-CH. • Signal Path
: FM
L
IC501 POWER AMP
+V OUT2 12
8 IN2 NF2 9
Q501,502 LIMITER
Q503 BOOSTER
-V OUT2 11
IC601 POWER AMP
+V OUT2 12... USE 6-16Ω
TM602(2/2)
CENTER
TM604(2/2)
SUB WOOFER
IC850
2
PROTECT DET
7
POWER AMP -B
+B
-B
FL101 -20V
TUNER +10V RELAY +B AUDIO +7V
AUDIO +5V
AUDIO -7V
Q851,852 -B
SWITCH
D811
Q801 -20V REG...
Service Manual - Page 21
...
+5V REG BA50BC0FP-E2
8.5
5
1 VCC OUT 3
GND
2
C1031 0.47
C1032 470 10V
IC1901 IC SI-3008KWFE
IC1901
+3.3V REG
1
2
3
4
5
8.5 2.6
3.3
C1906 470 10V
C1905 0.1
C1908 470 10V...
17 DC_CONTROL CL033
16 GND
15 GND CL028
14 +3.3V(STDBY) CL029
13 +5V
12 VOL_JOG_2A
11 VOL_JOG_2B
10 PW_SW
9 SIRCS
8 AD2
7 AD1 CL030
6 FL_LAT CL031
5...STR-K790
21
21 4-8.
DIGITAL BOARD (4/5) -
Service Manual - Page 23
4-10. IC5001 IC5002 IC5003 IC5004 IC5005 IC5006
Location
C-3 C-4 C-4 B-4 B-4 C-2
1
F
STR-K790
B199
1-873-511-
23
23
STR-K790 HDMI SW BOARD, HDMI BRIDGE BOARD (AEP, UK only) - • See page 13 for Circuit ...
R5024
R5061
R5060 R5014 R5029
D
HDMI BRIDGE BOARD
13
12
CNS199
E
6
CN199
1
A
DIGITAL BOARD CNS509 (Page 17)
2
• Semiconductor Location
Ref. No. ...
Service Manual - Page 24
..., UK only) - • See page 37 for IC Block Diagrams.
AEP,UK VIDEO 2/BD IN
STR-K790
HDMI SW BOARD
R5047 0
R5068 100k
TP5016
R5016 0
R5017 0
CN5001 19P
CN5002 19P R5048 0
R5069 ...C5005 0.01
C5001 0.1
R5055 10k
R5060 0
R5024 0
R5072 100
HDMI BRIDGE BOARD
CN199 7P 1 2
CL199 3 4 5 6
CNS199 13P 13 12 11 10 9 8 7 6 5 4 3 2 1
HDMI 6.8V S1(HDMI) GND(NC) OED(HDMI) PRE(HDMI) CTL(HDMI)
COMP ...
Service Manual - Page 25
...
25 4-12. STR-K790
Ver. 1.1
1 A
B
C
DCAC
E BOARD
CN2001 (4pin-6pin) (Page 33)
D DIGITAL
F BOARD
CNS501 (Page 17)
E
DIGITAL
G F BOARD CNS502 (Page 17)
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SA-CD/CD AUDIO IN
J400 TV AUDIO IN
SAT AUDIO IN
MAIN BOARD
AEP,UK
JW853
CC54
C452 C402
R454
TP1
DCAC
BOARD
B CN2001 (7pin-9pin)
(Page 33...
Service Manual - Page 31
...JW140 JW137 JW141 JW115
9
10
S104 DISPLAY
R103
S103 AUTO CAL
RV101
INPUT SELECTOR
JW152
JW116
11
12
13
14
MASTER VOLUME
RV102
C150 JW101
JW153 JW139
CL103
CL104
C107 C106
CNS102
CL106 CL107CL108 CL109 ...17)
JW135 JW134
JW147
JW146
TP100
11 1-872-420- (11)
STR-K790
31
31 4-18. DISPLAY BOARD - • See page 13 for Circuit Boards Location.
:Uses unleaded solder.
Service Manual - Page 32
...11
12
13
14
15
16
DISPLAY BOARD
FL101 FLUORESCENT INDICATOR TUBE
2 R199
2.2
5 6 7 8 9 10 11 12 13...1P SEG1 14
5 VDD 13
VSS 12
SW1 SW2 SW3 SW4 OSC 2.8 ...
C145 0.1
C152 0.1
JW102 C147
10
220 p
5
5
5
3.3
5
14 13 12 11 10
9
8
R116 100
R115 100
C112 220p
C111 220p
R117 10 0
C110 ...VOL_JOG_2B
8 PW_SW
9 SIRCS
10 AD2
11 AD1
12 FL_LAT
13 FL_DI N
14 FL_CLK
15 INPUT_JOG_4A
16 ...
Service Manual - Page 33
...STR-K790
1
2
3
A POWER BOARD
B
C
S152
D
JW123 JW122 JW121
E
F
G
JW124 JW126 JW125
4
5
6
7
8
9
CNP152
1
3
JW157
S114 DIMMER
R135 S115
R136
S116
SLEEP
2CH
K
DISPLAY BOARD CN101 (Page 31)
10
11
12
13
14
15
DCAC BOARD
J2000 VIDEO 1 IN/ PORTABLE AUDIO...
CNP790
1
11 1-872-423- (11)
J790 PHONES
STR-K790
33
33 PRINTED WIRING BOARDS - 4-20. R2018
HEADPHONE BOARD...
Service Manual - Page 36
...3 INL4 4 INR4 5 INL3 6 INR3 7 INL2 8 INR2 9 INL1 10
5 Input selector
INR1 11 AVEE 12 ADIFL 13
ADIFR 14
15
Input ATT (for ADC)
Input ATT (for ADC)
16 17
Volume
Volume Volume
Volume...2A
ZERO1/GPO1 ZERO2/GPO2 ZERO3/GPO3 ZERO4/GPO4 ZERO5/GPO5 ZERO6/GPO6
NC NC VOUT6 VOUT5 VOUT4 VOUT3
-
STR-K790
- MAIN Board -
IC1452 PCM1602APT
ML MC MDI MDO ZERO8 DATA4 ZERO7 NC VCC1 AGND1 VCC2 AGND2
RST ...
Service Manual - Page 38
STR-K790
- DISPLAY Board - IC100 PT6315
VSS VDD GRID1 GRID2 GRID3 GRID4 SEG24/GRID5 SEG23/GRID6 SEG22/GRID7 SEG21/GRID8 SEG20/GRID9
LED1 1 LED2 2 LED3 3 LED4 4
4-bit latch
44 43
42 41 40 39 Grid driver
Command decoder
Display memory 24 bits x 12 words
38 37 36 35 34
Multiplexed driver
33 SEG19/GRID10...
Service Manual - Page 39
...SPE1 (SYSTEM CONTROLLER)
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
27
28
29 ...AVSS ADCC A/D1 A/D2 VERSION VSS TUNER SD MODEL VAX CTRL
I/O
Description
I Audio data signal input from DIR
I GP9 signal input from DSP
O BST signal ... Vacs control input
STR-K790 39 Not used (Open) - Analog power supply (+3.3V) I Version setting input terminal (DESTINATION) ...
Service Manual - Page 43
...Q553 0 Q554 0 Q603 0 Q604
0 Q653 0 Q654 0 Q703 0 Q704 0 Q753
0 Q754 0 T901 0 T901
#1 #2
Part No. STR-K790
Ver. 1.1
5-2. No.
51 52 53 54 54
55 56 56 57 * 58
0 59 0 59
60 60 61
61 62 63 64 65... WIRE (FLAT TYPE) (13 CORE) (AEP, UK) A-1158-394-A HDMI SW BOARD, COMPLETE (AEP, UK) 4-956-370-12 BAND, PLUG FIXED (UK) 1-693-728-11 TUNER (FM/AM) (CND)
Ref. CHASSIS SECTION
53
not supplied
#1
Q554
Q654...
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