Sony HT-7000DH / STR-K7000 Service Manual ▷ View online
10
STR-K7000
2-6. STANDBY BOARD
3
screw
(+BVTP 3
×
8)
4
STANDBY board
1
CNP902 (2P)
2
CNP804 (3P)
11
STR-K7000
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
[MOVIE] buttons simultaneously, press the
[MOVIE] 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.
AM CHANNEL STEP 9 kHz/10 kHz SELECTION
MODE
MODE
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Turn the [INPUT SELECTOR] control to set AM and press the
?/1
button to turn off the main power.
While depressing the [TUNING MODE] button, press the
?/1
button to turn on the main power.
Either the message “9k STEP” or “10k STEP” appears for a
moment and select the desired step.
Either the message “9k STEP” or “10k STEP” appears for a
moment and select the desired step.
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.
[MULTI CHANNEL DECODING] LED light on.
2. Turn the [INPUT SELECTOR] control, confirm display.
3. Turn the [INPUT SELECTOR] control, confirm display.
[MULTI CHANNEL DECODING] LED light on.
4. Turn the [INPUT SELECTOR] control, all segments and all LEDs
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 [2CH] 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 [2CH]
buttons simultaneously, press the
buttons simultaneously, press the
?/1
button to turn on the main
power.
Either the message “REST 13” appears.
Every pressing of any button other than the
Either the message “REST 13” 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.
COMMAND MODE SELECTION MODE
* The command mode (AV1 or AV2) of the remote commander
can be selected.
* Procedure:
While depressing the [INPUT MODE] button, press the
?/1
but-
ton 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
CAT
D.RANGE
STEREO
dB
Hz
ft.
MEMORY
C
SL
SR
SBL
SBR
SP
SP B
SP B
OPT
HDMI
DIGITAL
x
PRO LOGIC
-ES
AAC
RDS
EQ
MONO A.DIRECT
D D
D D
k
m
MHz
12
STR-K7000
SECTION 4
DIAGRAMS
4-1. CIRCUIT BOARDS LOCATION
MAIN board
DISPLAY board
POWER board
ADCC board
HEADPHONE board
VIDEO3 board
SPEAKER B board
STANDBY board
SPEAKER C/SB board
HDMI SW board
VIDEO board
XM board
DIGITAL board
STR-K7000
13
13
STR-K7000
for schematic diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
no mark : FM
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
L
: VIDEO (AUDIO)
I
: VIDEO
J
: CD (ANALOG)
c
: CD (DIGITAL)
for printed wiring boards:
• X
: parts extracted from the component side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
C
Q
Q
E
B
C
E
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Waveforms
— DIGITAL Board —
— DIGITAL Board —
1
IC1301
qd
(CKOUT)
2.1 Vp-p
1.8 Vp-p
1V/DIV, 50nsec/DIV
3
IC1301
wa
(XOUT)
1V/DIV, 50nsec/DIV
4
IC1501
9
(MCLK1)
0.6 Vp-p
1V/DIV, 50nsec/DIV
2
IC1301
qf
(BCK)
2.4 Vp-p
1V/DIV, 0.2
µ
sec/DIV
13.9 MHz
12.288 MHz
3.07 MHz
12.288 MHz
5
IC1501
qs
(MCLK2)
1.1 Vp-p
2.2 Vp-p
1V/DIV, 50nsec/DIV
7
IC1101
id
(X1)
1V/DIV, 50nsec/DIV
6
IC1501
qf
(SCKOUT)
2.5 Vp-p
1V/DIV, 50nsec/DIV
24 MHz
12.288 MHz
13.9 MHz
— XM Board —
1
IC102
wh
(OSCOUT)
0.8 Vp-p
1V/DIV, 50nsec/DIV
45.158 MHz
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