DVP-NC615, DVP-NC655P, HT-5500D - Sony Audio Service Manual (repair manual). Page 93

6-17

2-3-6-1. Transition Keys in Self Check Mode
• [UP] on the main unit and the remote commander
• SHUTTLE on the remote commander during Grid Test display

(This model does not provide JOG/SHUTTLE, and therefore
use another DVD remote commander having the JOG/
SHUTTLE)

2-3-6-2. Operation and Display
The Self Check mode transits to this mode when [UP] key is en-
tered. The first grid of FLD all turns on and other grids turn off.
Each time the SHUTTLE is entered, the grid is switched in order.
When SHUTTLE input is clockwise, the grid switches in 1 

→ 2

→ 3 direction, or counterclockwise it switches in 3 → 2 → 1 direc-
tion. This tests whether each grid turns on individually.

Display at the start of Grid Test

↓ (Input in CW direction)

2-3-7. LED Test Display
2-3-7-1. Transition Keys in Self Check Mode
• [DOWN] on the main unit and the remote commander
• SHUTTLE on the remote commander during LED Test display

(This model does not provide JOG/SHUTTLE, and therefore
use another DVD remote commander having the JOG/
SHUTTLE)

2-3-7-2. Operation and Display
LED is switched in order by the input of JOG/SHUTTLE. Also,
LED ON/OFF is switched by the input of same key as the function
that turns on the LED concerned.

FLD display during LED Test

2-3-8. Beep Sound Test (NC655P only)
2-3-8-1. Transition Keys in Self Check Mode
• Input of a key on main unit

2-3-8-2. Operation and Display
In the Self Check mode, each time a key on the main unit is en-
tered, a beep sound of 1kHz (100ms) is generated.