Service Mode; General; Setting The Test Mode; Releasing The Test Mode - Sony DP-IF5100 Service Manual

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3 7 63 1515 0

3-1. GENERAL

This set has the test mode of the built-in microprocessor which
allows various check items required repairing.

3-2. SETTING THE TEST MODE

Press the POWER key and the EFFECT key at the same time and
turn on the power. (Insert the DC plug)

3-3. RELEASING THE TEST MODE

Remove the DC plug.

3-4. TEST MODE

1. LED check
LEDs go on in sequence *1)
*1) In test mode
*2) All infrared LEDs on
*3) All infrared LEDs on
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L 13942296513
2. Key check
Press each key and its corresponding
LED goes on *4)
*4) Corresponding LEDs
POWER key : POWER LED
INPUT key : ANALOG LED
EFFECT key : MUSIC LED
OUTPUT key : VIRTUAL LED
3. Audio check
ANALOG, HR and HL LEDs on *5) *7)
HL and HR LEDs off *6)
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POWER,INPUT keys
All LEDs on
*2)
POWER,INPUT keys
All LEDs off
*3)
Go to Key check
POWER,INPUT keys
Go to Audio check
POWER, DIGITAL,
L and R LEDs on *5)
POWER,INPUT keys
POWER,INPUT keys
POWER,INPUT keys
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y
Go to IF test tone
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SECTION 3

SERVICE MODE

8
*5) Digital input check : Do not use this in repair.
*6) Analog input check : Other than MUTE check, do not use this
*7) Mute mode : Use this in electrical adjustment (see page 8).
*8)
L
LS
4. IF test tone
POWER and MUSIC LEDs on
L LED on
C LED on
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3 6 7 1 3
R LED on
RS LED on
LS LED on
End of Test mode
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2 9 9 4 2 8
in repair.
C
R
HR LED
HL LED
RS
OUTPUT key
1 kHz, –10 dBv
OUTPUT key
1 kHz, –30 dBv
OUTPUT key
1 5 0 5 8 2 9 9 4
100 Hz, –30 dBv
OUTPUT key
10 kHz, –30 dBv
OUTPUT key
1 kHz, FS
OUTPUT key
POWER,INPUT keys
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9 9
2 8 9 9