Read Sony DVP-NC85H / HT-7000DH Service Manual online
6-5
DVP-NC85H
2-3.
Each Self Check Function
Each Self Check function tests the FLD display, LED display, and key input.
Vref = 3.3V
2-3-1.
FLD All ON
2-3-1-1. Transition Keys in Self Check Mode
• Z key and x key on the main unit
•
• Z key and x key on the main unit
•
T key on the remote commander
2-3-1-2. Operation and display
In this mode, all segments of FLD turn ON.
In this mode, all segments of FLD turn ON.
• Example of FLD all ON
2-3-2.
Main Unit Key Code Display
2-3-2-1. Transition Keys in Self Check Mode
• Keys on the main unit except keys transited in Self Check Mode
• Keys on the main unit except keys transited in Self Check Mode
2-3-2-2. Operation and Display
When a key on the main unit is pressed in the Self Check mode, key code is displayed on the FLD.
When a key on the main unit is pressed in the Self Check mode, key code is displayed on the FLD.
• Key code display (at input of H key, key code: 0Ah)
• At input of faulty voltage
1 2 3 4 5
DVD
VCD
ALL DISCS
VCD
ALL DISCS
Input
IC404: Pin No. (Signal)
Voltage [V]
PIN ef (AD1)
PIN eg (AD2)
PIN eh (AD3)
PIN ej (AD4)
0 - 0.20
PLAY
OPEN/CLOSE
STOP
POWER
0.60 - 0.82
-
EXCHANGE
DISC 4
-
1.16 - 1.47
PREVIOUS
DISC SKIP
DISC 3
-
1.80 - 2.12
NEXT
PROG SEL
DISC 2
-
2.48 - 2.70
DISC 5
-
DISC 1
-
1 2
3 4 5
DVD
VCD
VCD
ALL DISCS
1 2
3 4 5
DVD
VCD
VCD
ALL DISCS
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