Read Sony HT-DDW3000 / STR-KM3000 Service Manual online
STR-KM3000
STR-KM3000
11
11
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
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
Deviation
: 75 kHz
Modulation
: 1 kHz
ANT input
: 1 kHz
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.
scanning stops.
SECTION 4
TEST MODE
FL CHECK MODE
All fl uorescent 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. When pressing the [INPUT MODE] and [SLEEP] buttons,
All fl uorescent 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. When pressing the [INPUT MODE] and [SLEEP] buttons,
press the [
?/1
] button to turn on the main power.
2. All segments turn on.
3. Turn the [INPUT SELECTOR] dial.
4. Test pattern 1 turn on.
4. Test pattern 1 turn on.
5. Turn the [INPUT SELECTOR] dial once again.
6. Test pattern 2 turn on.
6. Test pattern 2 turn on.
7. Turn the [INPUT SELECTOR] dial once again. All segments
turn off.
8. Every turning of the [INPUT SELECTOR] dial turns on each
segment one after another on the same order.
S.F. CLEAR MODE
The preset sound fi led is cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [2CH] button, press the [
The preset sound fi led is cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [2CH] button, press the [
?/1
] button to turn
on the main power.
2. The message “S.F. CLR.” appears and initialization is per-
formed.
VERSION CHECK MODE
When this mode is used the model, the destination and the software
version number are displayed.
Procedure:
1. While pressing the [INPUT MODE] and [DIMMER] buttons, press
When this mode is used the model, the destination and the software
version number are displayed.
Procedure:
1. While pressing the [INPUT MODE] and [DIMMER] buttons, press
the [
?/1
] button to turn on the main power.
2. The model, the distination and the software version number
appear.
KEY CHECK MODE
This mode is used to check the key.
Procedure:
1. While pressing the [INPUT MODE] and [MUSIC] buttons,
This mode is used to check the key.
Procedure:
1. While pressing the [INPUT MODE] and [MUSIC] buttons,
press the [
?/1
] button to turn on the main power.
2. The message “REST 08” appears.
3. Every pressing of any button other than the [
3. Every pressing of any button other than the [
?/1
] button counts
down the buttons. The buttons which are already counted once
are not counted again.
are not counted again.
4. When all buttons are pressed, the message “REST 00” ap-
pears.
SWAP ALL MODE
The signal will be swapped to all channels so that all speakers will
have sound output.
Procedure:
1. While pressing the [DIMMER] and the [DISPLAY] buttons
The signal will be swapped to all channels so that all speakers will
have sound output.
Procedure:
1. While pressing the [DIMMER] and the [DISPLAY] buttons
simultaneously, press the power [
?/1
] button to turn on the
main power.
2. The message “SWP.ALL” appears.
SHIPMENT MODE
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [SLEEP] and [DISPLAY] buttons, press the
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
Procedure:
1. While pressing the [SLEEP] and [DISPLAY] buttons, press the
[
?/1
] button to turn on the main power.
2. The message “CLEARING” appears.
DCAC FACTORY TEST MODE
DCAC Factory Test mode have two stages:
1. DCAC DSP Data Line Checking
2. DCAC board Checking
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 :
While pressing the [MUSIC] and [DISPLAY] buttons, press
the [
the [
?/1
] button to turn on the main power .
“DCAC FTM” appears.
Afterward, press the [DIMMER] to start DCAC factory test
mode.
mode.
SPK Front Left
DCAC MIC
Receiver
DSP Data Line
Check
Start
Pass
Pass
Auto Cal Mic
Check
END
MEMORY
L
C
R
SL
S SR
SB SBR
SBL
SW
LFE
SP A
SP B
SP B
CAT
NEO:6 SAT
D.RANGE
RDS ST
MONO
DTS-ES
96 / 24
HDMI COAX
D EX
OPT
PL II x
PL
dB
k Hz
mft.
MHz
L
R
S
LFE
SP B
NEO:6
D.RANGE
RDS ST
MONO
COAX
PL II x
k
m
MHz
MEMORY
C
SL
SR
SB SBR
SBL
SW
CAT
DTS
D
PL
dB
Hz
ft.
ST
1. DCAC DSP Data Line Checking
After press the [DIMMER] button, DCAC Factory test mode will
start, below display will show:
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 problem
x = 2
→ D1502 problem
x = 3
→ D1503 problem
2. DCAC board Checking
Connect front left speaker of the receiver and AUTO CAL micro-
phone. Turn [MASTER VOLUME] jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
phone. Turn [MASTER VOLUME] jog, there will be test tone
sound output from front left speaker, and the display will change
accordingly.
“AD - xxx”
xxx = 0 to 255 (depends on loudness of test tone)
RE-BOX CLASSIFICATION TEST MODE
Procedure:
1. While pressing the [MOVIE] and [DISPLAY] buttons, press
Procedure:
1. While pressing the [MOVIE] and [DISPLAY] buttons, press
the [
?/1
] button to turn on the main power.
2. The message “R.BOX
[][][]XX” appears.
XX: times set powered on
VACS CONTROL TEST MODE
The VACS feature of the amplifi er is turned off purposely.
Procedure:
1. While pressing the [INPUT MODE] and [MOVIE] buttons,
The VACS feature of the amplifi er is turned off purposely.
Procedure:
1. While pressing the [INPUT MODE] and [MOVIE] buttons,
press the [
?/1
] button to turn on the main power.
2. The message “VACS OFF” appears.
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