Sony STR-K995 User manual
SERVICE MANUAL
Sony Corporation
Home Audio Division
Published by SonyTechno Create Corporation
US Model
MULTI CHANNEL AV RECEIVER
9-887-679-01
2007E16-1
© 2007.05
Ver. 1.0 2007.05
SPECIFICATIONS
STR-K995
•STR-K995 is the tuner and the amplifier section
in HT-DDW995.
This receiver incorporates Dolby* Digital and Pro Logic Surround and
the DTS** Digital Surround System.
*Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are trademarks of
Dolby Laboratories.
** “DTS” and “DTS Digital Surround” are registered trademarks of
DTS, Inc.
— Continued on next page —
AUDIO POWER
SPECIFICATIONS
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
With 6 ohm loads, both channels driven, from
120 – 20,000 Hz; rated 90 watts per channel
minimum RMS power, with no more than 1%
total harmonic distortion from 250 milliwatts
to rated output.
Amplifier section
Power Output
1)
Models of area code US
Stereo mode (rated) (6 ohms 1 kHz, THD 1%)
90 W + 90 W
Surround mode (reference) (6 ohms 1 kHz,
THD 10%) RMS output
2)
FRONT: 140 W
per channel
CENTER: 140 W
SURROUND: 140 W
per channel
1)
Measured under the following conditions:
2)
Reference power output for front, center and
surround speakers. Depending on the sound field
settings and the source, there may be no sound
output.
Inputs
Analog Sensitivity: 800 mV/
50 kohms
Digital (Coaxial) Impedance: 75 ohms
Outputs (Analog)
AUDIO OUT Voltage: 800 mV/
10 kohms
SUBWOOFER Voltage: 2 V/1 kohm
Tone
Gain levels ±6 dB, 1 dB step
Reproduction frequency range:
28 – 20,000 Hz
FM tuner section
Tuning range 87.5 - 108.0 MHz
Antenna FM wire antenna
Antenna terminals 75 ohms, unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
With 10-kHz tuning scale:
530 – 1,710 kHz
3)
With 9-kHz tuning scale:
531 – 1,710 kHz
3)
Antenna Loop antenna
Intermediate frequency
450 kHz
3)
You can change the AM tuning scale to 9 kHz or
10 kHz. After tuning in any AM station, turn off
the receiver. While holding down TUNING
MODE, press ?/1. All preset stations will be
erased when you change the tuning scale. To reset
the scale to 10 kHz (or 9 kHz), repeat the
procedure.
Area code Power requirements
US 120 V AC, 60 Hz
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2
STR-K995
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE
WITH MARK 0ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals,metal trim, “metallized” knobs, screws,
and all other exposed metal parts forAC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. Acommercialleakagetester, such as the Simpson 229orRCA
WT-540A. Follow the manufacturers’instructions to use these
instruments.
2. A battery-operatedAC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operatedAC voltmeter.The“limit”indication
is 0.75V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passiveVOM that is suitable. Nearly all battery operated
digital multimeters that have a 2VAC range are suitable. (See
Fig. A)
Fig. A. Using an AC voltmeter to check AC leakage.
1.5 k
Ω
0.15
µ
FAC
voltmete
r
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
Video section
Inputs/Outputs
Video: 1 Vp-p, 75 ohms
COMPONENT VIDEO:
Y: 1 Vp-p, 75 ohms
P
B/CB: 0.7 Vp-p,
75 ohms
PR/CR: 0.7 Vp-p,
75 ohms
80 MHz HD Pass Through
General
Power requirements
Power output (DIGITAL MEDIA PORT)
DC OUT: 5 V, 700 mA
Power consumption
Power consumption (during standby mode)
0.3 W
Area code Power requirements
US 120 V AC, 60 Hz
Area code Power consumption
US 200 W
Dimensions (width/height/depth) (Approx.)
430 ×157.5 ×310 mm
(17 ×6 1/4 ×12 1/4 inches)
including projecting parts
and controls
Mass (Approx.) 7.8 kg (17 lb 4 oz)
Design and specifications are subject to
change without notice.
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3
STR-K995
Notes on chip component replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
•Unleaded solder melts at a temperature about 40 °C higher
than ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if
the heated tip is applied for too long, so be careful!
•Strong viscosity
Unleaded solder is more viscou-s (sticky, less prone to flow)
than ordinary solder so use caution not to let solder bridges
occur such as on IC pins, etc.
•Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
TABLE OF CONTENTS
1. GENERAL ................................................................... 4
2. TEST MODE ............................................................... 11
3. ELECTRICAL ADJUSTMENT ............................. 13
4. DIAGRAMS ................................................................. 14
4-1. Block Diagram – MAIN Section –.................................. 15
4-2. Block Diagram – DISPLAY/POWER Section – ............. 16
4-3. Block Diagram – HDMI Section –.................................. 17
4-4. Printed Wiring Board – DIGITAL Board (Side A) –...... 18
4-5. Printed Wiring Board – DIGITAL Board (Side B) –...... 19
4-6. Schematic Diagram – DIGITAL Board (1/5) – .............. 20
4-7. Schematic Diagram – DIGITAL Board (2/5) – .............. 21
4-8. Schematic Diagram – DIGITAL Board (3/5) – .............. 22
4-9. Schematic Diagram – DIGITAL Board (4/5) – .............. 23
4-10. Schematic Diagram – DIGITAL Board (5/5) – .............. 24
4-11. Printed Wiring Board – MAIN Board – ......................... 25
4-12. Schematic Diagram – MAIN Board (1/4) – ................... 26
4-13. Schematic Diagram – MAIN Board (2/4) – ................... 27
4-14. Schematic Diagram – MAIN Board (3/4) – ................... 28
4-15. Schematic Diagram – MAIN Board (4/4) – ................... 29
4-16. Printed Wiring Boards
– DISPLAY Board, POWER KEY Board – .................... 30
4-17. Schematic Diagram
– DISPLAY Board, POWER KEY Board – .................... 31
4-18. Printed Wiring Boards
– STANDBY Board, DCDC Board – .............................. 32
4-19. Schematic Diagram
– STANDBY Board, DCDC Board – .............................. 33
4-20. Printed Wiring Boards
– DCAC Board, VIDEO3 Board – .................................. 34
4-21. Schematic Diagram
– DCAC Board, VIDEO3 Board – .................................. 35
4-22. Printed Wiring Boards
– VIDEO Board, HEADPHONE Board – ....................... 36
4-23. Schematic Diagram
– VIDEO Board, HEADPHONE Board – ....................... 37
4-24. Printed Wiring Board – HDMI RE Board – ................... 38
4-25. Schematic Diagram – HDMI RE Board (1/2) – ............. 39
4-26. Schematic Diagram – HDMI RE Board (2/2) – ............. 40
5. EXPLODEDVIEWS
5-1. Front Panel Section ......................................................... 56
5-2. Chassis Section................................................................ 57
6. ELECTRICAL PARTS LIST .................................. 58
About area codes
Th
Moreover, it is possible to distinguish the model
by Part No..
e area code of the receiver you purchased is
shown on the lower right portion of the rear panel
(see the illustration below).
Anydifferencesinoperation, accordingtothearea
code, are clearly indicated in the text, for example,
“Models of area code AA only”.
E
RS
O
NT A
R
SURROUND
LL
R
CENTER
Area code
Part No.
BACK PANEL
Model Part No.
US Model 2-897-800-9
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TEL 13942296513 QQ 376315150 892498299
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4
STR-K995 SECTION 1
GENERAL This section is extracted
from instruction manual.
Front panel
Receiver
?/1
AUTO CAL MIC
SPEAKERS
(OFF/A/B/A+B)
PHONES VIDEO 3 IN/PORTABLE AV IN
VIDEO L AUDIO R
MEMORY/
ENTER TUNING
MODE TUNING 2CH A.F.D. MOVIE MUSIC AUTO CAL MUTING
DISPLAY INPUT MODE
INPUT SELECTOR
MASTERVOLUME
MULTI CHANNEL DECODING
3 5
9
q;qaqk qdqfqgqhqj
12 8
6 74
qs
Name Function
A?/1
(on/standby) Presstoturnthereceiveron
or off (page 28, 37, 38, 54,
77).
BSPEAKERS
(OFF/A/B/A+B) Press to select the front
speaker system (page 29).
CDisplay The current status of the
selected component or a
list of selectable items
appears here (page 7).
DMULTI
CHANNEL
DECODING
lamp
Lights up when multi
channel audio is decoded
(page 38).
ERemote sensor Receives signals from
remote commander.
FDISPLAY Press to select information
displayed on the display
(page 64).
Name Function
GINPUT MODE Press to select the input
mode when the same
components are connected
to both digital and analog
jacks (page 59).
HMASTER
VOLUME Turn to adjust the volume
level of all speakers at the
same time (page 34, 35, 37,
38).
IMUTING Press to mute the sound
(page 35).
JAUTO CAL Press to activate the Auto
Calibration function
(page 30).
KINPUT
SELECTOR Turn to select the input
source to playback (page
35, 37, 38, 55, 58, 59, 61,
63, 65).
L2CH Presstoselectasound field
(page 49, 51, 53).
A.F.D.
MOVIE
MUSIC
MTUNING +/– Press to scan a station
(page 55, 58).
NTUNING MODE Press to select the tuning
mode (page 55, 77).
OMEMORY/
ENTER Press to store a station or
enter the selection when
selecting the settings (page
28).
PVIDEO 3 IN/
PORTABLE AV
IN jacks
Connect to a portable
audio/video component
such as a camcorder or
video game (page 26, 35).
QAUTO CAL MIC
jack Connects to the supplied
optimizer microphone for
the Auto Calibration
function (page 30).
RPHONES jack Connects to headphones
(page 74).
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TEL 13942296513 QQ 376315150 892498299
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5
STR-K995
About the indicators on the display
SW
LFE
SP A
SP B
LC
SL S
;
D
;
PL
;
PL II OPT DTS MEMORY ST
MONOD.RANGE
R
SR
COAXHDMI
1 2 3 4 6 7 985
q;qaqf qsqd
Name Function
ASW Lights up when the audio signal
is output from the SUB
WOOFER jack.
BLFE Lights up when the disc being
played back contains an LFE
(Low Frequency Effect)
channel and the LFE channel
signal is actually being
reproduced.
CSP A/SP B Lights up according to the
speaker system used. However,
these indicators do not light up
if the speaker output is turned
off or if headphones are
connected.
D;DLights up when Dolby Digital
signals are input.
Note
When playing a Dolby Digital
format disc, be sure that you
have made digital connections
and that INPUT MODE is not
set to “ANALOG” (page 59).
E;PL/
;PL II “; PL” lights up when the
receiver applies Pro Logic
processing to 2 channel signals
in order to output the center and
surround channel signals.
“; PL II” lights up when the
Pro Logic II Movie or Music
decoder is activated.
Name Function
FOPT Lights up when INPUT MODE
is set to “AUTO IN” and the
source signal is a digital signal
being input through the
OPTICAL jack, or when
INPUT MODE is set to “OPT
IN” (page 59).
GDTS Lights up when DTS signals are
input.
Note
When playing a DTS format
disc,be sure thatyou have made
digital connections and that
INPUT MODE is not set to
“ANALOG” (page 59).
HMEMORY Lights up when a memory
function, such as Preset
Memory (page 57), etc., is
activated.
ITuner
indicators Lights up when using the
receiver to tune in radio stations
(page 54), etc.
JPreset
station
indicators
Lights up when using the
receiver to tune in radio stations
you have preset. For details on
presetting radio stations, see
page 56.
KD.RANGE Lights up when dynamic range
compression is activated (page
42).
LCOAX Lights up when INPUT MODE
is set to “AUTO IN” and the
source signal is a digital signal
being input through the
COAXIAL jack, or when
INPUTMODEis setto “COAX
IN” (page 59).
MHDMI Lights up when the receiver
recognizes a component
connected via a HDMI IN jack
(page 20).
NPlayback
channel
indicators
L
R
C
SL
SR
S
The letters (L, C, R, etc.)
indicate the channels being
played back. The boxes around
the letters vary to show how the
receiver downmixes the source
sound.
Front Left
Front Right
Center (monaural)
Surround Left
Surround Right
Surround (monaural or the
surround components obtained
by Pro Logic processing)
Example:
Recording format (Front/
Surround): 3/2.1
Sound Field: A.F.D. AUTO
L C R
SL SR
SW
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TEL 13942296513 QQ 376315150 892498299
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6
STR-K995
Rear panel
2
5
6
43
1
DIGITAL
(ASSIGNABLE)
DMPORT
OPTICAL
SAT
IN
DVD
IN
COAXIAL
ANTENNA
VIDEO 2/
BD IN
AM
HDMI
DVD IN
VIDEO 2/BD IN
OUT
SA-CD/CD/CD-R
TV
L
R
OUT IN
IN
SAT
AUDIO IN
VIDEO IN
DVD
AUDIO IN
VIDEO IN
VIDEO 1
AUDIO OUT
VIDEO OUT
VIDEO OUT
AUDIO IN
AUDIO OUT
VIDEO IN
L
R
L
R
L
R
SUB
WOOFER
MONITOR
SAT IN
COMPONENTVIDEO
DVD IN VIDEO 1 IN
Y
P
B
/C
B
P
R
/C
R
MONITOR OUT
SPEAKERS
FRONT B FRONT A
LR
R
SURROUND
LL
R
CENTER
ADIGITAL INPUT/OUTPUT section
OPTICAL
IN jack Connectstoa DVD
player, etc. The
COAXIAL jack
provides a better
quality of loud
sound (page 23,
25).
COAXIAL IN
jack
HDMI IN/
OUT jack
a)
Connectstoa DVD
player, ora Blu-ray
disc player. The
image and the
sound are output to
a TV or a projector
(page 20).
DMPORT
jack Connect to a
DIGITAL MEDIA
PORT adapter
(page 60).
BCOMPONENT VIDEO INPUT/
OUTPUT section
COMPONENT
VIDEO
INPUT/
OUTPUT
jack
a)
ConnectstoaDVD
player, TV,
satellite tuner, etc.
You can enjoy high
quality image
(page 22, 23, 25).
Green
(Y)
Blue
(PB/CB)
Red
(PR/CR)
CSPEAKERS section
Connects to
speakers (page 17).
Connects to sub
woofer (page 17).
DVIDEO/AUDIO INPUT/OUTPUT
section
AUDIO IN/
OUT jack Connects the video
and audio jacks of a
VCR, a DVD
player, etc.
(page 22–26).
VIDEO IN/
OUT jack
a)
White (L)
Red (R)
Yellow
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STR-K995
a)You can watch the selected input image when you
connect the HDMI OUT or MONITOR OUT jack
to a TV (page 22).
You can use the supplied remote to operate the
receiver and to control the Sony audio/video
components that the remote is assigned to
operate.
You can also program the remote to control
non-Sony audio/video components. For
details, see “Programming the remote” (page
66).
RM-AAP017
EAUDIO INPUT/OUTPUT section
AUDIO IN/
OUT jack Connects to Super
Audio CD player,
CD player, etc.
(page 18).
FANTENNA section
FM
ANTENNA
jack
Connects to the FM
wire antenna
supplied with this
receiver (page 27).
AM
ANTENNA
terminals
ConnectstotheAM
loop antenna
supplied with this
receiver (page 27).
White (L)
Red (R)
Remote commander
SYSTEM STANDBY
TUNING –
DISC SKIP
MUTING
TOP MENU MENU F1
TV INPUT WIDE
F2
TVVOL
MASTERVOL TV CH
PRESET
TUNING +
GUIDE DISPLAY
RETURN/
EXIT OPTIONS
TOOLS
REPLAY ADVANCE
TV
VIDEO 1 VIDEO 2 VIDEO 3 DVD
SAT TV TUNER
2CH A.F.D. MOVIE MUSIC
SLEEP
FM MODE D.TUNING
SA-CD/CD
AUXDMPORT RECEIVER
RM SET UP
?/1
MEMORY
.>
mM
xX
MENU
H
CLEAR
>10
–
/
– –
<
<
DVD
23
456
789
ENTER
0/10
1
AV ?/1
AUTO CAL
B
V
v
B
1
6
2
9
q;
qa
qj
qk
ql
wa
w;
qd
qf
qg
qs
4
5
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3
qh
ws
wh
wf
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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8
STR-K995
Name Function
AAV ?/1
(on/standby) Press to turn on or off the
audio/video components that
the remote is programmed to
operate.
To turn the TV on or off, press
TV (Z) and then press AV
?/1.
If you press ?/1(B) at the
same time, it will turn off the
receiver and other components
(SYSTEM STANDBY).
Note
The function of the AV ?/1
switch changes automatically
each time you press the input
buttons (3).
B?/1
(on/standby) Press to turn the receiver on or
off.
To turn off all components,
press ?/1and AV ?/1(A) at
the same time (SYSTEM
STANDBY).
CInput
buttons Press one of the buttons to
select the component you want
to use. When you press any of
the input buttons, the receiver
turns on. The buttons are
factory assigned to control
Sony components as follows.
You can program the remote to
control non-Sony components
following the steps in
“Programming the remote” on
page 66.
Button Assigned Sony
component
VIDEO 1 VCR (VTR mode 3)
VIDEO 2 VCR (VTR mode 2)
VIDEO 3 VCR (VTR mode 1)
DVDDVD player
SATSatellite tuner
TV TV
SA-CD/CD Super Audio CD/
CD player
TUNER Built-in tuner
AUXNot assigned
DMPORT DIGITAL MEDIA
PORT adapter
Name Function
DRECEIVER Press to activate the receiver
operation (page 39).
E2CH Press to select a sound field
(page 49, 51, 53).
A.F.D.
MOVIE
MUSIC
FD. TUNING Press to enter direct tuning
mode.
GAUTO CAL Press to activate the Auto
Calibration function.
HNumeric
buttons
(number 5a))
Press to
–preset/tune to preset stations.
–selecttrack numbers of the
CD player, VCD player, LD
player, DVD player, MD
deck, DAT deck, or tape deck.
Press 0/10 to select track
number 10.
–select channel numbers of the
VCR, satellite tuner, Blu-ray
disc recorder, PSX, DVD/
VHS COMBO or DVD/HDD
COMBO.
Press TV (Z) and then press
the numeric buttons to select
the TV channels.
IENTER Press to enter the value after
selecting a channel, disc or
track using the numeric buttons
of the VCR, CD player, VCD
player, LD player, MD deck,
DAT deck, tape deck, satellite
tuner, Blu-ray disc recorder or
PSX.
To enter the value of Sony TV,
press TV (Z) and then press
ENTER.
MEMORY Press to store a station during
tuner operation.
JDISPLAY Press to select information
displayed on the TV screen of
the VCR, VCD player, LD
player, DVD player,CD player,
MD deck, Blu-ray disc
recorder, PSX, satellite tuner,
DVD/VHS COMBO or DVD/
HDD COMBO.
To select information of Sony
TV, press TV (Z) and then
press DISPLAY.
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9
STR-K995
Name Function
KOPTIONS
TOOLS Presstodisplayandselectitems
from theoption menusforDVD
player or DVD/VHS COMBO.
To display the options of Sony
TV, press TV (Z) and then
press OPTIONS TOOLS.
LMENU Press to display the menus of
the receiver, VCR, DVD
player, satellite tuner, Blu-ray
disc recorder, PSX, DVD/VHS
COMBO or DVD/HDD
COMBO on the TV screen.
Then, use V/v/B/band to
perform menu operations.
To display the menus of Sony
TV, press TV (Z) and then
press MENU.
MHa) b) Press to start playback of the
VCR, CD player, VCD player,
LD player, DVD player, MD
deck, DAT deck, tape deck,
Blu-ray disc recorder, PSX,
DVD/VHS COMBO or DVD/
HDD COMBO.
Xb) Press to pause playback or
recording of the VCR, CD
player,VCDplayer,LD player,
DVD player, MD deck, DAT
deck, tape deck, Blu-ray disc
recorder, PSX, DVD/VHS
COMBO or DVD/HDD
COMBO. (Also starts
recording with components in
recording standby.)
xb) Press to stop playback of the
VCR, CD player, VCD player,
LD player, DVD player, MD
deck, DAT deck, tape deck,
Blu-ray disc recorder, PSX,
DVD/VHS COMBO or DVD/
HDD COMBO.
m/Mb) Press to
–search tracks in the forward/
backward direction of the CD
player, VCD player, DVD
player, LD player, MD deck,
Blu-ray disc recorder, PSX,
DVD/VHS COMBO, or
DVD/HDD COMBO.
–fast forward/rewind of the
VCR, DAT deck, or tape
deck.
Name Function
./>b) Press to skip tracks of the
VCR, CD player, VCD player,
LD player, DVD player, MD
deck, DAT deck, tape deck,
Blu-ray disc recorder, PSX,
DVD/VHS COMBO or DVD/
HDD COMBO.
TUNING +/– Press to scan a station.
REPLAY /
ADVANCE Press to replay the previous
scene or fast forward the
current scene of the DVD
player, Blu-ray disc recorder,
DVD/VHS COMBO or DVD/
HDD COMBO.
NTV CH +a)/– Press TV (Z) and then press
TV CH +/– to select preset TV
channels.
PRESET
+a)/– Press to
–select preset stations.
–select preset channels of the
VCR, satellite tuner, Blu-ray
disc recorder, DVD player,
DVD/VHS COMBO or
DVD/HDD COMBO.
OF1, F2 Press F1 or F2 to select a
component.
–DVD/HDD COMBO
F1: HDD mode
F2: DVD mode
–DVD/VHS COMBO
F1: DVD mode
F2: VHS mode
TV INPUT Press TV (Z) and then press
TV INPUT to select the input
signal (TV input or video
input).
WIDE Press TV (Z) and then press
WIDE to select the wide
picture mode.
PDVD TOP
MENU Press to display the menu or
on-screen guide of the DVD
player on the TV screen.
Then, use V/v/B/band to
perform menu operations.
DVD MENU Press to display the menu of
the DVD player on the TV
screen. Then, use V/v/B/band
to perform menu
operations.
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10
STR-K995
a)The number 5, PRESET +, TV CH + and H
buttons have tactile dots. Use the tactile dots as
references when operating the receiver.
b)The button is alsoavailable for DIGITAL MEDIA
PORT adapter operation. For details on the
function of the button, see the operating
instructions supplied with the DIGITAL MEDIA
PORT adapter.
Name Function
QTV VOL +/– Press TV (Z) and then press
TV VOL +/– to adjust the TV
volume level.
MASTER
VOL +/– Press to adjust the volume
level of all speakers at the
same time.
MUTING Press to mute the sound
(page 35).
To mute the sound of the TV,
press TV (Z) and then press
MUTING.
RDISC SKIP Press to skip disc of the CD
player, VCD player, DVD
playerorMDdeck(multi-disc
changer only).
SRETURN/
EXIT OPress to
–return to the previous menu.
–exitthemenuwhile the
menu or on-screen guide of
the VCD player, LD player,
DVD player, Blu-ray disc
recorder, PSX, DVD/VHS
COMBO or satellite tuner is
displayed on the TV screen.
To return to the previous
menu of Sony TV, press TV
(Z) and then press
RETURN/EXIT O.
T
V/v/B/b
After pressing RECEIVER
(D), press MENU (L) for
receiver operation, then press
V/v/B/b to select the settings.
After pressing DVD TOP
MENU (P) or DVD MENU
(P), press V/v/B/bto select
the settings, and then press
to enter the selection.
Press also to enter the
selection of the receiver,
VCR, satellite tuner, DVD
player, Blu-ray disc recorder,
PSX, DVD/VHS COMBO or
DVD/HDD COMBO.
UGUIDE Press to display the EPG
(Electronic Program Guide)
of the TV, DVD player,
satellite tuner, Blu-ray disc
recorder, PSX or DVD/HDD
COMBO.
Name Function
V-/-- Press to select the channel
entry mode, either one or two
digit of the VCR or satellite
tuner.
To select the channel entry
mode of the TV, press TV
(Z) and then press -/--.
CLEAR Press to clear a mistake when
you press the incorrect
numeric button of the DVD
player, Blu-ray disc recorder,
PSX, satellite tuner, DVD/
VHS COMBO or DVD/HDD
COMBO.
>10 Press to select track numbers
over 10 of the CD player,
VCD player, LD player, MD
deck, tape deck, TV, VCR or
satellite tuner.
WFM MODE Press to select FM monaural
or stereo reception.
XSLEEP Press to activate the Sleep
Timer function and the
duration which the receiver
turns off automatically.
YRM SET UP Press to set up the remote.
ZTV Press to light up the button. It
changes the remote key
function to activate the
buttons with orange printing.
It also activate the DISPLAY
(J), OPTIONS TOOLS
(K), MENU (L),
RETURN/EXIT O(S),
(T) and V/v/B/b (T)
buttons to perform menu
operations for Sony TVs only.
Notes
Some functions explained in this section may not
work depending on the model.
The above explanation is intended to serve as an
example only. Therefore, depending on the
component, the above operation may not be
possible or may operate differently than described.
The AUX button on the remote is not available for
receiver operation.
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11
STR-K995
5. Turn the INPUT SELECTOR dial once again. All segments
turn off.
6. Every turning of the INPUT SELECTOR dial turns on each
segment one after another in the same order.
SWAP ALL MODE
The signal will be swapped to all channels so that all speakers will
have sound output.
Procedure:
1. While depressing the SPEAKERS (OFF/A/B/A+B) and the
A.F.D. buttons simultaneously, press the power ?/1 button
to turn on the main power.
2. “SWAP” appears. (No change while displayed.)
SHIPMENT MODE
All preset contents are reset to the default setting.
Procedure:
1. While depressing the SPEAKERS (OFF/A/B/A+B) and the
MUSIC buttons simultaneously, press the power ?/1 but-
ton to turn on the main power.
2. “CLEARED” appears and switch off the set.
PROTECTOR
If an error occurs, the “Protector Display” will flash for a while and
the power is turned OFF.
Procedure:
1. While depressing the TUNING – and the A.F.D. buttons
simultaneously, press the power ?/1 button to turn on the
main power.
2. “PROTEVER” appears (3 seconds).
DCAC FACTORYTEST MODE
DCAC Factory Test mode have two stages:
1. DCAC DSP Data Line Checking
2. DCAC board Checking
Factory Test System Setup
1. When power off :
Press the three buttons MEMORY/ENTER + MOVIE +
?/1 .
“DCAC[]FTM” appears.
Afterward, press the TUNING MODE to start DCAC factory
test mode.
DSP Data Line
Check
Start Pass Pass
Auto Cal Mic
Check END
SPK Front Left
DCAC MIC
Receiver
SECTION 2
TEST MODE
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.
Procedure:
1. While depressing the 2CH button, press the power ?/1
button to turn on the main power.
2. The message “S.F. CLR.” appears and initialization is
performed. (3 second)
SOFTWAREVERSION DISPLAY MODE
The software version is displayed.
Procedure:
1. While depressing the SPEAKERS (OFF/A/B/A+B) and the
DISPLAY buttons simultaneously, press the power ?/1
button to turn on the main power.
2. The model name, destination and the software version are
displayed. (8 second)
KEY CHECK MODE
Button check
Procedure:
1. While depressing the SPEAKERS (OFF/A/B/A+B) and the
2CH buttons simultaneously, press the power ?/1 button to
turn on the main power.
“REST 13” appears.
2. Every pressing of any button other than ?/1 counts down
the buttons. The buttons which are already counted once are
not counted again.
3. When all buttons are pressed “REST 00” appears.
FLUORESCENT INDICATORTUBETEST 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.
Procedure:
1. While depressing the TUNING MODE and the DISPLAY
buttons simultaneously, press the power ?/1 button to turn
on the main power.
2. All segments turn on.
•Blue LED of MULTI CHANNEL DECODING lights.
3. Turn the INPUT SELECTOR dial.
•Blue LED of MULTI CHANNEL DECODING is turned off.
4. Turn the INPUT SELECTOR dial once again.
•Blue LED of MULTI CHANNEL DECODING lights.
MEMORY
L C R
SL
S
SR
SB SBRSBL
SW
LFE
SP A
SP B
CAT
NEO:6 SAT D.RANGE RDS ST
MONO
DTS-ES 96 / 24
Blue LED
HDMI COAX
D EX
;
OPT
MULTI CHANNEL DECODING
;
PL II x
;
PL
dB
k Hz
mft.
MHz
L R
S
LFE
SP B
NEO:6 D.RANGE MONOCOAX
k
m
MHz
RDS
x
Blue LED
MULTI CHANNEL DECODING
MEMORY
LFE
EX
CAT
SAT
96/24
NEO:6
-ES
OPT
HDMI COAX
SPA
SPB
;
PL ll X
dB
D.RANGE
Hz
ft.
ST
MONO
Blue LED
MULTI CHANNEL DECODING
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12
STR-K995
1.DCAC DSP Data Line Checking
After press the TUNING MODE , DCAC Factory test mode will
start, below display will show:
“DCAC[][][]x” x = 1, 2, 3, 4
If there is error happen, below display will show:
“ERR[]SD0x” x = 1 → D1501 or R1530
x = 2 →D1502 problem
x = 3 →D1503 problem
x = 4 →D1504 problem
2.DCAC board Checking
Connect front left speaker of the receiver and AUTO CAL
microphone. Turn MASTERVOLUME jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
“AD[]-[]xxx” xxx = 0 to255(dependsonloudnessoftest tone)
VACS CONTROL
The VACS feature of the amplifier is turned off purposely.
Procedure:
1. While depressing the MEMORY/ENTER and the 2CH
buttons simultaneously, press the power ?/1 button to turn
on the main power.
2. “VACS OFF” appears. (8 second)
AM CHANNEL STEP 9 kHz/10 kHz
SELECTION MODE
•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 MODE button, press the
power ?/1 button to turn on the main power. Either the
message “9 k STEP” or “10 k STEP” appears. Select the
desired step.
BLUE LEDTEST MODE
•LED illumination check
Procedure:
1. While depressing the TUNING MODE and INPUT MODE
simultaneously, press ?/1 . Then, “B. LED ON” or “B. LED
OFF” is displayed.
2. When “B. LED ON” is displayed, the LED of the “MULTI
CHANNEL DECODING” area at the top of the display
illuminates.
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13
STR-K995
SECTION 3
ELECTRICAL ADJUSTMENT
[FM Auto Stop Check]
Procedure:
1. Turn the power on.
2. Input the following signal from Signal Generator to FM
antenna input directly.
*Carrier Freq: A = 87.5 MHz, B = 98 MHz, C = 108 MHz
Deviation : 75 kHz
Modulation : 1 kHz
ANT input : 35 dBu (EMF)
Note: Please use 75 ohm “coaxial cable” to connect SG and the set. You
cannot use video cable for checking.
Please use SG whose output impedance is 75 ohm.
3. Set to FM tuner function and scan the input FM signal with
automatic scanning.
4. Confirm that input Frequency ofA, B and C are detected and
automatic scanning stops.
Thestopofautomaticscanningmeans“Thestationsignalisreceived
in good condition.”
TUNER SECTION
generator
OUT (75
Ω
)
SET
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14
STR-K995 SECTION 4
DIAGRAMS
For Schematic Diagrams.
Note:
•All capacitors are in µF unless otherwise noted. (p: pF)
50WV or less are not indicated except for electrolytics and
tantalums.
•All resistors are in Ωand 1/4W or less unless otherwise
specified.
• % : indicates tolerance.
• f: internal component.
•2: nonflammable resistor.
•5: fusible resistor.
•C: panel designation.
•A: B+ Line.
•B: B– Line.
•Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
No mark : FM
•Voltages are taken with aVOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
•Waveforms are taken with a oscilloscope.
•Circled numbers refer to waveforms.
•Signal path.
F: FM
J: ANALOG
c: DIGITAL
I: VIDEO
For Printed Wiring Boards.
Note:
•X: parts extracted from the component side.
• a: Through hole.
• f: internal component.
•: Pattern from the side which enables seeing.
•Indication of transistor.
Caution:
Pattern face side: Partsonthe patternface side seen from
(Side B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(Side A) the parts face are indicated.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
•Circuit Boards Location
C
BThese are omitted.
E
Q
B
These are omitted.
CE
Note: The components identified by mark 0or dotted
line with mark 0are critical for safety.
Replace only with part number specified.
DIGITAL board
MAIN board
POWER KEY board
DCAC board
HEADPHONE board
STANDBY board
DCDC board
HDMI RE board
VIDEO board
DISPLAY board
VIDEO 3 board
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1515
STR-K995
STR-K995
4-1. BLOCK DIAGRAM – MAIN SECTION –
AUDIO IN
AUDIO IN
PROCESSOR
INFL
32
88
OUT L
INGL
34
85
OUT SL
86
OUTC
81
OUTSW
DATA
60
CLK
59
10
VOL_CL
EEPROM_DATA
EEPROM_CLK
11
VOL_DA
SYSTEM CONTROLLER
IC1907(1/3)
DVD
IN
VIDEO 2/
BD IN
J1301
35
62
J298(1/2)
IC1303
DIGITAL AUDIO
I/F RECEIVER
IC1301
L
DISPLAY
/POWER
SECTION
DIN2
5
DOUT
35
DI
36
CLK
38
CE
37
ERROR
34
XSTATE
17
XMODE
48
13
CK OUT
20
XMCK
14
BCK
15
LRCK
16
DATAO
IC1303
X1301
12.288MHz
AUDIO DSP
IC1501
KFSI0
SCK
LRCK
BCK
DOUT
22
15
10
11
12
SDI2
30
HCLK
34
HCS
36
HACN
32
PM
113
XRST
2
23
SDO1
24
SDO2
25
SDO3
26
SDO4
BCKI2
29
LRCKI2
28
LRCKI1
15
BCKI1
17
IC1502
SRAM
AUDIO CODEC
IC1452
IC1403
AD CONVERTER
IC1401
SCKI
38
RST
37
ML
36
MC
35
MDI
34
MDO
33
10
VOUT5
BCK
40
LRCK
41
DATA3
47
DATA1
45
DATA2
46
9
VOUT6
12
VOUT3
11
VOUT4
ANALOG SOUND
44
ROUTAL
SL
AOUTL
41
INCL
49
50
51
56
SL
C
SW
INCSL
INCC
INCSW
A
B
48 4742 41 45 46 49 50 39 63
DIR_DO
DIR_DI
DIR_CLK
DIR_CE
DIR_ERROR
DIR_XSTATE
DIR_CKSEL1
DIR_DATA0
ERROR_SEL
66
BST
101
HCLK
67
HCS
68
HACN
73
PM
64
BST_SEL
69
DSP_RESET
37
PCM1609/_RESET
27
PCM1609_ML
5
PCM1609_MC
4
PCM1609_MDI
75
PCM1609_MDO
5 6
97 98
J405 (1/2)
SA-CD/CD/CD-R
TV
IN
IN
AUDIO
SAT
DVD
OPTICAL
IN
IC1351
DIN0
3
DIN1
4
6
5
214
7
SAT
IN
OPTICAL
IN
IC1354
IC1302
22 21
XIN XOUT
12 9
38
DIR_XMODE
CKSEL1
47
GP9
68
HD OUT
35
HD IN
33
74
GP12
6583
GP9
99
HD OUT
100
HD IN
GP12
37
MCLK1
MCLK2
X1502
13.9MHz
14
SCK OUT
1
LIN
7
RST
20
BCKO
19LRCKO
18 SDI1
24AUDIO GP8
69
EXLOCK59
INIL
38
TN1
TUNER PACK
FM
75Ω
COAXIAL
AM
R-CH
L
C LINK_TX
C LINK_RX
HDMI_MUTE
DET
DI
DO
CLK
CE
FM
AM
R CH
L CH
TUNER +10V10V
DMPORT+5V,VBUS+5V
SD
TUN_DO
26
TUN_LAP
27
TUNER SD
117
TUNER_DATA
80
TUNER_CLK
79
FLASH1/C LINK_TX
103
FLASH2/C LINK_RX
102
C LINK_DET
104
OPTICAL
DIGITAL
COAXIAL
D1301
IC401
SDA SCL
EEPROM
IC1131
INCL
26
INHL
36
INEL
30
J403 (1/2)
INDL
28
J402(1/2)
AUDIO IN
VIDEO 1 INBL
24 VIDEO 1
J402
(2/2)
AUDIO OUT
46
ROUTBL SA-CD/CD/CD-R
J405
(2/2)
OUT
IC1503
SELECTOR
1
6
556 2
A
B
BST
S
Y
31
IC1403
57
IC1404
31
IC1404
57
IC1405
57
IC1405
31
ANTENNA
(Page 16)
J1311
DMPORT
VIDEO 3 IN/
PORTABLE AV IN
87
DCAC_DSP_IN
D1501
D1504
_
IC203
VIDEO AMP
13 V1
14
SW1
4
SW3
6
SW4
2
SW5
10
31 3332
SW2
V_SW1
V_SW3
34
V_SW4
V_SW2
2930
V_COMP_SW2
V_COMP_SW1
VIDEO IN
J201
(1/2)
VIDEO 1
3SAT
5DVD
1
M.OUT MONITOR
VIDEO 1
J201(2/2)
VIDEO OUT
15
V1OUT
J200(2/2)
VIDEO OUT
J301
COMPONENT
VIDEO
CH1 IN23
CH2 IN29
CH3 IN214
CH1 IN3
5
CH2 IN311
CH3 IN3
12
SW1
2
SW2
4
P.SAVE
21
CH1 OUT 22
CH2 OUT 20
CH3 OUT 18
Y
P
R
/C
R
P
B
/C
B
MONITOR
OUT
CONPONENT
VIDEO
J302
VIDEO AMP
IC304
VIDEO IN
VIDEO IN
J200(1/2)
SAT
SAT IN
DVD
DVD IN
28
V_MUTE
IC3002
31
D204
D203
Y
P
R
/C
R
P
B
/C
B
CH1 IN1
1
CH2 IN17
CH3 IN116
VIDEO 1 IN
Y
P
R
/C
R
P
B
/C
B
Y
P
R
/C
R
P
B
/C
B
VIDEO
J298(2/2)
VIDEO 3 IN/
PORTABLE AV IN 9V3
13
14
53
54
VOUT1
VOUT2
INCSL
INCSR
TC74HC153_A
TC74HC153_B
13
6
5
7
SPDIF
2
1
6
5
IC1017
HDMI
SECTION
(Page 17)
C
HDMI
SECTION
(Page 17)
• Signal Path
: FM
: ANALOG
: DIGITAL
: VIDEO
• R-CH is omitted due to same as L-CH.
w
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.
x
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1
6
3
.
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Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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1616
STR-K995
STR-K995
4-2. BLOCK DIAGRAM – DISPLAY/POWER SECTION –
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
IN2
8
12
+V OUT2
POWER AMP
IC701
POWER AMP
IC601
9
NF2
LIMITER
Q701,702
11
-V OUT2
IN2
12
+V OUT2
9
NF2
11
-V OUT2
BOOSTER
Q703
BOOSTER
Q704 CURRENT
DETECT
Q705,706 AF POWER
PROTECT
Q740
LIMITER
Q651,652
BOOSTER
Q653
BOOSTER
Q654 CURRENT
DETECT
Q655,656
IN2
8
12
+V OUT2
POWER AMP
IC501
9
NF2
LIMITER
Q501,502
11-V OUT2
BOOSTER
Q503
BOOSTER
Q504 CURRENT
DETECT
Q505,506
VACS
CONTROL
D841
D1001
PROTECT
SWITCH
Q722,723,725
Q793,795
RELAY
DRIVE
Q790
RY791
RELAY
DRIVE
Q710
RY701
D1111
RY601
D1110
D1109
D1108
RELAY
DRIVE
Q612
RY610
D1107
RELAY
DRIVE
Q610
L
R
R
L
R-CH
R-CH
R-CH R-CH
SR-CH
SR-CH
R-CH
SR-CH
SR-CH
R-CH PHONES
TB001
12
1
PROTECTOR
23
HP_RY
25
FRONT_A_RY/DG51_FB
17
FRONT_B_RY/DG51_FA
22
SW_RY
24
C/REAR/SB_RY
119
VACS CTRL
RV102
ENCODER
3 2
VOL_ENCODER(B)_UP
15
VOL_ENCODER(A)_DOWN
16
POWER_KEY
85
?/1
S100
62
RESET_TRG
81
STOP
109
77
AVCC
D910-913
AC
IN
T903
Q922
Q923
D924
RY901
D915
F901
D914
RELAY
DRIVE
Q901
D105
5V
Q110
D920-923
19
VCC
44
VCC
-7V
REG
3 2
+7V
REG
1 3
AUDIO
+7V
IC801
+5V
REG
2 1
VIDEO
+5V
IC807
IC802
POWER_RY 9
SUB_T 7
D4001 F4001
F4002
RELAY
+B
-5V
REG
2 1
VIDEO
-5V
IC804
D805-808
F1
F2
L
SW
SLSL
C
A
J790
FLUORESCENT
INDICATOR TUBE
FL101
78
FL_LAT
7DIN
8CLK
9
6
3
8
4
5
2
1
9
10
STB
70
FL_CLK
71
FL_DATA
14
29
31
SEG1-17
42
32
GRID1-11
F1
F2
FL DRIVE
IC100
IC101
DCAC IN
113
S109-112,115
FUNCTION
KEY
AD_KEY1
114
FUNCTION
KEY
AD_KEY2
115
S101-108
SYSTEM CONTROLLER
IC1907 (2/3)
AF POWER
PROTECT
Q640
AF POWER
PROTECT
Q540
FRONT A
SURROUND
8
HP_DETECT
5V
58
57
X0
X1
X1101
12.5MHz
51
NMI
56
VCC
+3.3V
REG
3 1
IC1904
AUDIO
-7V
+10V
REG
3 1
TUNER
+10V
IC1902
T901
Q921
AC DET
IC1710
RESET TRG
IC1700
IC1111
SYSTEM
RESET
D802
R803
+B
-B
-B
SWITCH
Q691,692
-20V REG
Q801
FL101
-20V
POWER AMP
-B
+5V
REG
3 1
IC1031
PROTECT
DET
2 7
IC691
+5V
+2.5V
REG
5
+2.5V
+3.3V
REG
2
4
IC1901
+3.3V
+5V
REG
3 1
IC1001
AUDIO
+5V
+7V
REG
2 1
IC4001
+5V
REG
4 5
IC3516
TX5V_PWR 41
IC3519(1/2)
+3.3V
REG
4 2
IC3526
+3.3V
REG
4 2
IC3527
+1.8V
REG
IC3528
+4.1V
REG
2 1
IC4100
HDMI
+5V
3.3V
1.8V
+5V
REG
4 2
IC1906
DMPORT
+5V
94
HDMI_CTRL
13
BRIDGABLE_RY
SPEAKERS
(IMPEDANCE USE 6-16Ω)
MASTER
VOLUME
RV101
ENCODER
3 2
INPUT_ENCODER_B
21
INPUT_ENCODER_A
20
INPUT
SELECTOR
8
RESET
55
INIT
1 2
5 1
IC2000
AMP
+3.3V
(STBY)
MAIN
SECTION
CENTER
(Page 15)
RELAY
DRIVE
Q611
RY710
RELAY
DRIVE
Q560
RY560
L
RR-CH
TM602
FRONT B
TM604
J2000
AUTO CAL MIC
82 SIRCS IN
REMOTE
CONTROL
RECEIVER 2
IC103
AUDIO OUT
J309
1
3
1
5
3
7
1
SUB WOOFER
RELAY
DRIVE
Q809
RY801
VCC
SW1
1 2
41
2
REG
w
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.
x
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6
3
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c
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3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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1717
STR-K995
STR-K995
13
CN3501
DVD IN
HDMI
VIDEO 2 /
BD IN
77,76,
74,73,
71,70
29,30,
32,33,
35,36
26,27
25,26,
28,29,
31,32,
34,35
67,68
64
63
62
58,57,
55,54,
52,51
49,48
46
45
44
IC3503
SELECTOR
SW
Q3505
SW
Q3506
CLOCK +/-
SW
Q1704
BUFFER
Q1701-1703
18
1,3,4,6,7,9
10,12
15
16
19
13
1,3,4,6,7,9
15
16
10,12
18
13
1,3,4,6,7,9
10,12
15
16
19
CN3502
SCL
SDA
CLOCK +/-
SCL
SDA
B21,A21
SCL2
SDA2
HPD2
Y4,Z4 50,51,
54,55,
58,59,
62,63
RXC -/+ 124-121
117-114
111-108
105-99
96-92
QE0 - QE23
88
IC1907(3/3)
SYSTEM CONTROLLER
90
HDMI_S2
89
HDMI_S1
2
HDMI_RESET
1
HDMI_MUTE
91 CE0
IC3519(2/2)
SUB CPU
33 TX
34 RX
10
19
20
65
27
28
35
51 TMDS_S1
52 TMDS_S2
53 TMDS_S3
54 TMDS_OEB
21 RX_HPDI
21
S1
22
S2
23
S3
42
XOE
40
HPD_SINK
42 TX_RST
43 TX_INT
55 P5V_SELB
56 P5V_SELA
D1701
3.3V
11 13
XIN
XOUT
X3502
10MHz
RESET
RX_RST
RX_INT
MUTE
CSCL
CSDA
EEPROMSEL1
IC3521
12
14 13
1
5
10
IC3511
RX
89
91
67
40
39
84 85
XTALIN
XTALOUT
X3501
28.322MHz
RESET
76
SCK
75
WS
74
SD0
73
SD1
72
SD2
71
SD3
79
MCLK
70
SPDIF
1
VSYNC
119
ODCK
127
DE
128
HSYNC
INT
MUTE
CSCL
CSDA
42
41
DSDL
DSDA
PWR5V
49-58
61-65
67-70
75-79
D0 - D23
IC3513
TX
12 SCK
11 WS
10 SD0
9SD1
8SD2
7SD3
6MCLK
5SPDIF
43 CSCL
44 CSDA
18 HPD
17 INT
42 RESET
2VSYNC
66 IDCK
80 DE
1HSYNC
3
IC3507
72
3
6
IC3509
6
7
5
SCL
SDA
WP
EEPROM
IC3504
SELECTOR
4
5
9 10
3 44
2
CSCL
CSDA
SCLA
SDAA
38
39
SCL_SINK
SDA_SINK
SCLB
SDAB
6
8
11
3
3
1
4
5
10
9
12
13
IC3501
3.3V
D3502 D3501
20
DSCL
19
DSDA
Q3504
CLOCK +/-
HDMI +5V 18
19
HDMI
OUT
SPDIF
TX0 +/-
TX1 +/-
TX2 +/-
TXC +/-
RX0 -/+
RX1 -/+
RX2 -/+
Y3,Z3
Y2,Z2
Y1,Z1
D3511
D3512
DATA BUFFER
CSCL
BCK
LRCK
DATA
BUFFER
CN3504
HDMI_MUTE CMAIN
SECTION
(Page 15)
MAIN
SECTION
(Page 15)
B
• Signal Path
: DIGITAL
: VIDEO
• R-CH is omitted due to same as L-CH.
4-3. BLOCK DIAGRAM – HDMI SECTION –
w
w
w
.
x
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1
6
3
.
c
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Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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1818
STR-K995
STR-K995
4-4. PRINTEDWIRING BOARD – DIGITAL BOARD (SIDE A) – :Uses unleaded solder.
• See page 14 for Circuit Boards Location.
IC1017
IC1907
IC1303
IC1302
IC1700
IC1710
IC1452
IC1405
IC1404
IC1403
IC1401
IC1131
IC1503
IC1502
IC1501
IC1111
IC1301
DMPORT
J1311
DIGITAL BOARD
(SIDE A)
1-872-697-
14
(14)
E
E
E
E
1
1
3
3
4
4
5
5
C1807
R1964
R1962 R1961
C1953
R1953
C1952
R1952
C1951
R1951
C1031
C1913
Q1701
CL042
C1950
C1949
R1949
C1921
FB1505
D1302
D1301
CL046
CL044
CL045
LP1000
R1946
R1333
R1332
C1331
R1331
CL043
R1469
R1044
R1636
R1327
R1714
R1713
R1712
R1711
R1710
R1709
R1708
C1706
CNS506
FB1405
R1705
C1704
Q1704
R1704
C1703
L1403
Q1703
R1703
C1702
Q1702
R1702
C1701
D1701
R1401
R1701
C1495
C1705
C1316
C1002
FB1309
R1716
R1707
FB1504
X1101
C1068
C1920
R1351 R1354
C1361
C1404
C1401
C1409
C1304
C1303
C1302
C1301
W1001
W1000
R1495
R1494
R1493
R1492
R1491
R1486
JR1020
R1484
R1483
R1476
R1473
R1470
R1088
JR1008
R1084
R1083
JR1005
R1466
R1464
R1463
R1077
C1487
R1076
R1073
C1483
R1072
R1068
R1067
R1066
R1642
R1065
C1475
C1474
R1062
C1472
R1061
C1471
R1253
R1446
R1445
R1444
FB1350
R1635
C1462
C1461
R1050
C1460
R1436
R1435
R1434
R1042
R1041
C1067
R1426
C1066
R1425
R1424
R1035
C1443
C1404
R1411
R1410
C1432
R1407
C1620
FB1310
FB1503
JW1700
R1015
FB1308
R1014
C1424
R1013
R1012
C1422
FB1305
R1011
R1010
R1201
C1415
C1414
C1605
X1502
D1001
C1408
C1405
X1301
RB1508
RB1507
RB1506 RB1504
RB1503
RB1502RB1501
RB1500
JR1511
R1194
R1574
R1573
R1572
R1571
R1570
R1182
R1181
R1180
R1179
R1175
R1557
R1556
R1555
R1360
R1359
R1358
R1164
R1357
R1356
R1161
R1160
FB1453
FB1452
R1541
C1569
C1568
R1157
C1567
R1156
R1154
R1153
R1152
R1151
R1150
C1362
R1144
R1143
R1140
R1523
R1135 R1134
R1325
R1512
R1321
R1516
R1513
R1511
R1514
R1129
R1510
R1126
R1319
R1125
R1318
R1124
R1123
R1122
R1531
R1121
R1508
R1120
R1507
R1313
R1506
R1312
R1505
R1311
R1504
R1310
R1502
C1142
R1501
C1911
R1118
R1117
R1309
R1308
R1114
R1307
R1306
R1112
C1522
R1305
R1111
C1521
R1304
R1110
R1303
R1301
R1108
R1107
R1106
C1511
C1129
C1123
C1122
C1509
C1315
C1502
C1119
C1118
DHDMI RE
BOARD
CN3512
(Page 38)
12
A
B
C
D
E
F
345678
• Semiconductor
Location
Ref. No.
Location
D1001 C-6
D1301 D-3
D1302 C-3
D1701 D-6
IC1017 C-4
IC1111 D-5
IC1131 F-6
IC1301 C-3
IC1302 C-3
IC1303 D-3
IC1401 E-2
IC1403 E-4
IC1404 F-4
IC1405 F-5
IC1452 E-3
IC1501 D-4
IC1502 C-4
IC1503 E-5
IC1700 D-6
IC1710 D-6
IC1907 E-6
Q1701 D-6
Q1702 D-6
Q1703 D-6
Q1704 E-6
w
w
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.
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3
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Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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1919
STR-K995
STR-K995
4-5. PRINTEDWIRING BOARD – DIGITAL BOARD (SIDE B) – :Uses unleaded solder.
• See page 14 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D1003 E-3
D1004 E-4
D1107 C-7
D1108 C-7
D1109 C-7
D1110 C-7
D1111 C-7
D1501 D-3
D1502 D-3
D1503 D-3
D1504 D-4
IC1001 F-3
IC1031 B-8
IC1351 C-2
IC1354 C-2
IC1901 B-7
IC1902 B-5
IC1904 C-6
IC1906 E-2
IC1031
IC1904
IC1906
IC1901
IC1001
IC1354
IC1351
IC1902
SAT IN
VIDEO 2/
BD IN
DVD IN
COAXIAL
DIGITAL
OPTICAL
J1301
TN1
ANTENNA
75
COAXIAL
FM
AM
for
FLASH
PROGRAMMING
1-872-697-
14
(14)
DIGITAL BOARD
(SIDE B)
1
3
1
3
1
3
1
1
1
3
3
3
C1985
C1986
C1987
C1806
C1805
C1804
C1803
C1802
C1801
C1800
JR1010
C1342
C1971
C1970
R1096
JR1009
JR1006
R1954
R1960
C1960
C1961
C1021
R1948
R1947
D1111
D1110
D1109
D1108
D1107
JR1003
JR1002
JR1001
CL039
CL010 CL007
CL008
CL006
CL023
CL020
CL018
JL1000
R1093
C1102
C1661
C1667
C1604
C1149
R1183
R1184
R1188
R1185
C1254
C1255
C1132
C1131
R1191
R1192
R1409
CL003
CL002
CL005
CL009
CL011
CL013
CL001
CL012 CL004
C1019
R1187
R1941
R1078
JR1000
JL001
CL040
CL041
CL037 CL036
CL034
CL032
CL033
CL031
CL028
CL029
CL035
CL030
CL022
CL025
CL024
CL021
CL017
CL016
CL019
R1637
R1644
R1643
R1645
R1641
R1352
R1353
C1566
C1309
C1308
C1305
C1100
R1474
C1146
C1494
C1079
C1481
R1261
R1260
C1473
C1463
C1071
C1454
C1450
R1039
C1442
C1433
FB1502
FB1501
C1423
FB1302
FB1101
D1004
D1003
C1005
C1004
R1186
R1163
R1355
R1159
C1172
C1171
R1530
C1358
C1354
C1547
C1351
R1323
C1141
R1314
C1145
C1144
R1503
D1504
C1140
D1503
D1502
D1501
C1139
C1520
R1302
C1905
C1519
C1518
C1516
R1105
C1514
C1513 C1510
C1124
C1121
C1508
C1314
C1507
C1313
C1506
C1312
C1505 C1504
C1310
C1503 C1501
HS1901
C1032
C1908 C1906
C1022
C1103
CNP505
CNP506
CNS511
CNS504
CNS502
C1468
C1458
C1448C1438
C1428
C1418
CNS501
C1910
C1491
C1457
C1455
C1407C1406
C1403
C1402
C1001
CNS509
C2281
CNP512
C1919
C1306 C1359
C1355
CNS507
C1914
C1707
C1525
C1517
C1515
A
VIDEO
BOARD
CNS206
(Page 36)
E
DCDC
BOARD
CN4103
(Page 32)
C
STANDBY
BOARD
CNP903
(Page 32)
B
MAIN
BOARD
CNP912
(Page 25)
H
DISPLAY
BOARD
CNS100
(Page 30)
U
MAIN
BOARD
CNP913
(Page 25)
F
MAIN
BOARD
CNP501
(Page 25)
G
MAIN
BOARD
CN500
(Page 25)
12
A
B
C
D
E
F
G
3456789
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1
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2
8
9
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8
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1
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4
2
2
9
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9
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2020
STR-K995
STR-K995
4-6. SCHEMATIC DIAGRAM – DIGITAL BOARD (1/5) – • See page 41 forWaveform. • See page 42 for IC Block Diagram.
AVIDEO BOARD
CNS206
(Page 37) D
HDMI RE
BOARD
(1/2)
CN3512
(Page 39)
3DIGITAL
BOARD
(4/5)
(Page 23)
4DIGITAL
BOARD
(5/5)
(Page 24)
1DIGITAL
BOARD
(2/5)
(Page 21)
2DIGITAL
BOARD
(3/5)
(Page 22)
3
IC B/D
IC B/D
0
3.3
3.3
3.3
3.3
3.3
0.1
3.3
0.1
3.3
3.3
0
0.1
3.2
0
0
3.3
3.3
0
0
0.1
2.5
2.9
2.9
2.9
3.3
3.3
0.1
0.1
3.3
3.3
3.3
No mark:FM
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
3.3
0
3.3
0
2.6
1.2
1.2
2.5
1.4
VCC
OUT
GND
TORX147L
IC1351
VCC
OUT
GND
TORX147L
IC1354
0.1C1351
0.1
C1354
100R1351
100
R1354
10 11 12
13
14
15
16
17
18
19
20
21
22
23
24
252627282930313233343536
987654321
37
38
39
40
41
42
43
44
45
46
47
48
IC1301
LC89056W-E
DISEL
DOUT
DINO
DIN1
DIN2
DGND
DVDD
R_SDIN
VIN_AGND
LPF
AVDD
AGND
CKOUT
BCK
LRCK
DATAO
XSTATE
DGND
DVDD
XMCK
XOUT
XIN
EMPHA
AUDIO
CSFLAG
F0/P0/C0_F0/FSB0
F1/P1/C1_F1/FSB1
F2/P2/C2_F2/DLMP
F3/P3/C3_VF/DATA02
DVDD
DGND
AUTO_VREF
BPSYNC
ERROR
DOUT
DI
CE
CLK
XSEL
MODE0
MODEL1
DGND
DVDD
DOSEL0
DOSEL1
CKSEL0
CKSEL1
XMODE
75
R1355
0.1
C1361
25V
22
C1355
MA111-TX
D1302
0.1
C1358
6.3V
1000
C1359
100
R1359
0.1
C1301
0.01
C1302
0.1
C1303
0.1
C1305
0
JR1005
5.6k
R1301
4.7k
R1302
16V
47
C1306
10k
R1318
0R1321
10k
R1323 0.1
C1314
0.1
C1315
1M
R1311
100R1311
100
R1312
100R1313
10k
R1314
0.1
C1312
100pC1313
12.288MHz
X1301
18p
C1309
18p
C1310
0uHFB1305
0
R1319
0.1
C1308
680
R1305
22
R1306
100
R1307
100
R1308
100R1309
100
R1360
0
JR1020
10k
R1096
0uH
FB1302
0.01
C1362
W1001
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18P
J1311
P GND
VBUS +5V
NC
+5V
CLINK_RX
CLINK_TX
CLINK_DET
DGND
CLINK_WM_DET
CLINK_WM_AD
AGND
AGND
CLINK_L
CLINK_R
WM_RXD
WM_TXD
VIDEO
VIDEO_GND
1kR1352
1kR1353
100
R1304
0.01
C1304
33k
R1303
0uH
FB1350
0
R1325
0uH
FB1310
470
R1356
47k
R1357
470k
R1358
CL001
CL002
CL003
CL004
CL005
CL006
CL007
CL008
CL010
CL011
CL013
CL042
CL043
CL04 4
CL045
CL046
0.1
C1316
0uH
FB1309
8765
4321
TC7WU04FU(TE12R)
IC1303
0.1
C1920
0uH
FB1504
1
2
3
4
5
6
7
7P
CNS506
HDMI_CEC_IN
HDMI_RESET
HDMI_UART_RX
HDMI_UART_TX
HDMI_REG_CTL
HDMI_ERROR(MUTE)
HDMI_SPDIF
16 15 14 13 12 11 10 9
87
6
5432
1
TC74ACT153F(EL)
IC1302
STROBE
B
1C3
1C2
1C1
1C0
1Y
GND2 Y
2C0
2C1
2C2
2C3
A
STROBE
VCC
MA111-TX
D1301
0uH
JR1511
100
R1327
10V
470
C2281
8
432
567
1
TC7WH157FK
IC1017
A
B
/Y
GND Y
/A B
/G
VCC
100
R1331
100
R1332
0.1
C1331
0uH
FB1505
0.1
C1921
R1951 10k
R1952
10k R1953
10k C1953
0.01
C1951 0.01
C1952
0.01
1
2
3
4
5
6
7
7P
CNS509
V MUTE
COMP-S2
COMP-S1
V-SW1
V-SW2
V-SW3
V-SW4
J1301
C1800
1000p
C1801
1000p
C1802
1000p C1803
1000p
C1804
1000p
C1805
1000p C1806
1000p
0.1
C1987
0.1
C1986
2
3
4
5
6
7
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
55
40
39
8983 84 85 86 87 88 90 91
DIGITAL BOARD (1/5)
IC1303
INVERTER
OPTICAL IN
IC1354
IC1351
OPTICAL IN
AUDIO IN SELECT
IC1302
IC1301
DIGITAL AUDIO
SELECTOR
IC1017
I/F RECEIVER
DIGITAL
COAXIAL
DVD
IN
OPTICAL
SAT
IN
VIDEO 2
BD IN
DMPORT
2
1
3
2
1
3
1 2 3 4 5 6 7 8 9 10 11 12 13
A
B
C
D
E
F
G
H
I
J
K
L
w
w
w
.
x
i
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y
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1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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