Test Mode; Electrical Check - Sony STR-KS2000 - Blu-ray Dvd Receiver Component Service Manual

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 [SOUND FIELD +] button, press the [
button to turn on the main power.
2. The message "S.F CLR." appears and initialization is per-
formed.
FACTORY PRESET MODE
All preset contents are reset to the default setting.
Procedure:
1. While pressing the [SOUND FIELD +] and [PRESET TUNING
?/1
-] buttons, press the [ ] button to turn on the main power.
2. The message "FACTORY" appears and the present contents
are reset to the default values.
VERSION MODE
When this mode is used the model, the destination and the software
version number are displayed.
Procedure:
1. While pressing the [INPUT SELECTOR] and [PRESET TUNING
?/1
+] buttons, press the [ ] button to turn on the main power.
2. The model, the distination and the software version number
appear.
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 [PRESET TUNING +] and [SOUND
?/1
FIELD -] buttons, press the [ ] button to turn on the main
power.
2. All segments turn on.
3. Press the [INPUT SELECTOR] button.
4. Half of segments turn on.
5. Press the [INPUT SELECTOR] button once again.
6. Others half of segments turn on.
7. Press the [INPUT SELECTOR] button once again.
8. Segments of "EQ" turn on.
KEY CHECK MODE
This mode is used to check the key.
Procedure:
1. While pressing the [MUTING] and [PRESET TUNING -] but-
?/1
tons, press the [ ] button to turn on the main power.
2. The message "REST 06" appears.
?/1
3. Every pressing of any button other than the [
down the buttons. The buttons which are already counted once
are not counted again.
4. When all buttons are pressed, the message "REST 00" ap-
pears.
SWAP ALL MODE
When this mode is used, output the audio signal of front L/R chan-
nel to all channel.
Procedure:
1. While pressing the [SOUND FIELD -] and [MUTING] but-
?/1
tons, press the [ ] button to turn on the main power.
2. The message "SWAP" appears.
STR-KS2000
SECTION 4

TEST MODE

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 ] 1. While pressing the [PRESET TUNING -] and [SOUND FIELD -]
?/1
buttons, press the [ ] button to turn on the main power.
2. The message "CLEARING" appears.
PROTECTOR AUTO OFF MODE
When this mode is used, a protector on state is maintainable.
Procedure:
1. While pressing the [SOUND FIELD +] and [INPUT SELECTOR]
?/1
buttons, press the [ ] button to turn on the main power.
2. The message "PROTEVER" appears.
VACS OFF MODE
This mode is used to switch off the VACS (Variable Attenuation
Control System).
Procedure:
1. Press the buttons of standard commander (RM-AAU017) (PART
No.: 1-480-099-21) in ordedr of [DISPLAY] → [DISPLAY] →
[DISPLAY] → [MASTER VOL +] → [3].
2. The message "VACS OFF" appears and the switch off the
VACS.
CHANGE-OVER THE AM TUNING INTERVAL
(US AND CANADIAN MODELS ONLY)
The AM tuning interval can be changed over 9 kHz or 10kHz.
Procedure:
1. While pressing the [PRESET TUNING +] button, press the
?/1
[ ] button to turn on the main power.
2. The AM turning interval changed over 9 kHz or 10 kHz.
DCAC TEST MODE
Procedure:
1. While pressing the [PRESET TUNING -] and [INPUT
?/1
SELECTOR] buttons, press the [
main power.
2. The message "MIC ON" appears.
] button counts
FM AUTO STOP 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 : 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.
] button to turn on the
9 9
SECTION 5

ELECTRICAL CHECK

STR-KS2000