DOWNLOAD Sony HT-CT550W / STR-CT550WT Service Manual ↓ Size: 3.1 MB | Pages: 64 in PDF or view online for FREE

Model
HT-CT550W STR-CT550WT
Pages
64
Size
3.1 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
ht-ct550w-str-ct550wt.pdf
Date
PREV: Sony HT-CT550W / SA-WCT550W Service Manual

Sony HT-CT550W / STR-CT550WT Service Manual ▷ View online

STR-CT550WT
9
2-12.  DSP Status Display Mode
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-13.  Serial Flash Update Mode
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-14.  HDMI Halt Mode
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-15.  Audio Stream (ch number) Display Mode
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-16.  Camera Link Function Balance Check Mode
Not used for the servicing.
Press the [
?/1
] button if having entered this mode.
2-17.  WS Test Mode
The subwoofer (SA-WCT550W) version information can be 
checked.
Note : More than one item may appear, but only “VER. CHECK” is used 
during maintenance.
Preparation:
•  Prepare the remote commander of the attachment for this unit.
 Remote 
commander:
 
RM-AAU113 (US and Canadian models)
 
RM-AAU114 (AEP and UK models)
•  Refer to the “COMPLETING SETTINGS FOR THE WIRE-
LESS SOUND SYSTEM” section on page 3 to activate wire-
less transmission for the receiver (STR-CT550WT: main unit) 
and subwoofer (SA-WCT550W).
Procedure:
1.  Enter the test menu.
2.  Press the [VOLUME +]/[VOLUME –] buttons to select the 
“WS TEST”, and press the [INPUT SELECTOR] button. 
3.  The message “QUALITY” appears on the fl uorescent indica-
tor tube.
4. Press the [
m
] button on the remote commander, select “VER.
CHCK”, and press the [
,
] button on the remote commander.
5.  The subwoofer version is displayed.
Releasing method:
Press the [
?/1
] button to turn the power off.
2-18.  WS Reset Mode
The wireless transceiver (EZW-RT50) can be reset by cold reset.
Preparation:
•  Refer to the “COMPLETING SETTINGS FOR THE WIRE-
LESS SOUND SYSTEM” section on page 3 to activate wire-
less transmission for the receiver (STR-CT550WT: main unit) 
and subwoofer (SA-WCT550W).
Procedure:
1.  Enter the test menu.
2.  Press the [VOLUME +]/[VOLUME –] buttons to select the 
“WS RESET”, and press the [INPUT SELECTOR] button.
3.  The LINK/STANDBY indicator on the subwoofer (SA-
WCT550W) turns red and fl ashes for 1.5 seconds and then 
changes to amber. 
4.  Check that the LINK/STANDBY indicator on the subwoofer 
(SA-WCT550W) has changed to amber, and then pull out the 
power cord. 
Note: When restarting the system, check that the color of the LINK/
STANDBY indicator on the subwoofer (SA-WCT550W) turns 
completely off before plugging the power cord back in.
2-19. Cold 
Reset
Note: Execute this mode before returning the customer this set.
Procedure:
1.  Enter the test menu.
2.  Press the [VOLUME +]/[VOLUME –] buttons to select the 
“COLD RESET”, and press the [INPUT SELECTOR] button.
3.  The message “COLD RESET.” appears on the fl uorescent in-
dicator tube, then turn the power off.
STR-CT550WT
10
SECTION  4
ELECTRICAL  CHECK
FM  TUNE  LEVEL  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 tune A, B and C signals.
4. Confi rm “TUNED” is lit on the display for A, B and C signals.
When the selected station signal is received in good condition, 
“TUNED” is displayed.
STR-CT550WT
STR-CT550WT
11
11
SECTION  5
DIAGRAMS
5-1.  BLOCK  DIAGRAM - HDMI Section -
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(Page 12)
(Page 12)
(Page 12)
STR-CT550WT
STR-CT550WT
12
12
5-2.  BLOCK  DIAGRAM - MAIN Section -
SYSTEM CONTROLLER
IC1002 (1/3)
D
F
49
HDMI_MUTE
17
CEC(I/O)
47
HDMI_TX
48
HDMI_RX
L/R_IN
100
FLAG2
136
135
39
43
173
134
L/R_OUT 86
BCLK_OUT 98
MPIO_B1 12
A/D_2CH
96
DSP
IC5001
A/D CONVERTER,
DIGITAL AUDIO
INTERFACE RECEIVER
IC1011
FLAG1
BOOT_CFG1
MOSI
IRQ/GPIO
RESET
DSP_CS
MISO
24
25
X5000
25MHz
CLKIN
XTAL2
X1002
24.576MHz
XTI
XTO
103 DIR_IN
92 MCLK_IN
75 BCLK_IN
97 LRCLK_IN
95 C/SW_IN
101 SBL/SBFL_IN
74 SL/SR_IN
99
LRCLK_OUT
SWITCHING
IC5102 (2/2)
2
7
1
1Y
1A
1B
SWITCHING
CONTROL
IC5101
2
4
1
Q
D
CLK
AMP_LRCK
AMP_BCK
C/SW1_OUT 94
SDIO_Z
AMP_D1FLFR
AMP_MCK
LRCK_Z
BCK_Z
38
14
DPI_P05
42
6
68
5
51
50
DSP MOSI
DSP_INTR
DSP_RESET
DSP MISO
52
SF_HOLD
DSP_SPIDS
SPICLK
40
UART_OUT
49
UART_IN
50
DSP_SPICLK
7
RST
DIR_RST
55
34
MS/ADR1
DIR_HCE
53
26
MDI/SDA
24
MDO/ADR0
DIR_DO
100
23
MC/SCL
25
DIR ERROR
27
DIR_ZERO
18
SEL_HDMI
59
10
11
ROM_SDA
38
HDMI_CNVSS
ROM_SCLK
13
15
X1001
6MHz
Xout
Xin
EEPROM
IC1013
CEC
HDMI_MUTE
HDMI_NLPCM
232C_OUT (VU_TX)
232C_IN (VU_RX)
CNVSS
HUART_TX
HUART_RX
83
HDMI_RESET
HRESET
B
BUFFER
IC5102 (1/2),
Q5001
OPTICAL
RECEIVER
IC252
10
A
X0
12
A_SEL0
X 13
40
OPTICAL
RECEIVER
IC251
DIGITAL OPT
SAT/CATV
IN
DIGITAL COAX
VIDEO IN
DIGITAL OPT
TV IN
WAVE
SHAPER
IC253
J251
J252
X1
14
LINE IN
L
R
R-CH
AUDIO SELECT
IC205
M_RX_IN
M_TX_OUT
32
VINL
47
VINR
48
39
40
RXIN5/ABCKI0
30
RXIN2
33
RXIN4/ASCKI0
31
RXIN0
37
31
R-CH
SWITCHING
IC1012
HDMI_ARC
RXIN3
32
HDMI_SPDIF
MPIO_A0
3
HDMI_MCK
MPIO_A1
4
HDMI_BCK
MPIO_A2
5
HDMI_LRCK
MPIO_A3
6
SD0
MPIO_C1
8
SD1
MPIO_C2
9
SD2
MPIO_C3
10
SD3
MPIO_B2 13
MPIO_B3 14
MPIO_C0 7
DOUT 17
BCK 19
SCKO 20
LRCK 18
NPCM/INT1 2
ERROR/INT0 1
: AUDIO
: TUNER
‡ SIGNAL PATH
‡ R-CH iV oPittHG GuH to VDPH DV L-CH.
A
C
DIR_DI
DIR_CLK
G
DIR_XSTATE
54
ANTENNA
FM
75:
COAXIAL
R-CH
Q201
4 FRF2
FM RECEIVER
IC301
CN302
15
LOUT
14
ROUT
13
DA
10
CK
8
IIC/RDSI
Q5002
ST_CLK/ST_SCL
36
MC_STDD/ST_SDA
RDSINT/CLK
75
35
X301
32.768kHz
X2
X1
19
18
LINE AMP
IC303
ST_SCL/CLK
ST_SDA/DI
RDS_INT/CLK
ST_SCL/CLK
ST_SDA/DI
RDS_INT/CLK
6 SCK
1 CS#
7 HOLD#
5 SI
2 SO
SERIAL FLASH
IC5002
11
A
10
B
1Z
3
1X
13
0Z
5
Y-COM 15
9
C
0X
12
MULTIPLEXER
IC5105
Z-COM 4
X-COM 14
0Y
2
1Y
1
I2S
BUFFER
IC1001
SWITCHING
Q1001
D1005
E6V
E3.3V
(Page 11)
(Page 11)
(Page 13)
(Page 13)
(Page 11)
(Page 13)
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