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6-5

Each Self Check function tests the FLD display, LED display, and key input.

Vref = 3.3V

2-3-1-1. Transition Keys in Self Check Mode
• 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.

• Example of FLD all ON

2-3-2-1. Transition Keys 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.

• Key code display (at input of  H  key, key code: 0Ah)

• At input of faulty voltage

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

-

6-6

r (Input in CW direction)

2-3-3-1. Transition Keys in Self Check Mode
• Remote commander keys except keys transited in Self Check Mode

2-3-3-2. Operation and Display
When a key on the remote commander is pressed in the Self Check Mode, the code is displayed on the FLD.

• Remote commander key code display (at input of  X  key, key code:39h)

2-3-4-1. Transition Keys in Self Check Mode
•

 t  key on the remote commander

• SHUTTLE on the remote commander during Anode Test display (This unit does not provide JOG/SHUTTLE, and therefore use another

DVD remote commander having the JOG/SHUTTLE)

2-3-4-2. Operation and Display
The Self Check Mode transits to this mode when 

 t  key is entered. This tests whether each segment turns on individually. Only the first

segment of each grid of FLD turns on, and each time the SHUTTLE is entered, the segment of each grid switched in order. When SHUTTLE
input is clockwise, the segment switches in 1 - 2 - 3 direction, or counterclockwise it switches in 3 - 2 - 1 direction.

2-3-5-1. Transition Keys in Self Check Mode
•

 

R

 

 key on the remote commander

• SHUTTLE on the remote commander during Grid Test display

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

2-3-5-2. Operation and Display
The Self Check Mode transits to this mode when 

 

R  key is entered. This tests whether each grid turns on individually. The first grid only of

FLD turns on and other grid turn off. Each time the SHUTTLE is entered, the grid is switched in order. When SHUTTLE input is clockwise,
the grid switched in 1 - 2 - 3 direction, or counterclockwise it switches in 3 - 2 - 1 direction.

r (Input in CW direction)

6-7

 

8G 7G  6G 5G 4G 3G 2G 1G

 

  a  a a a a a a

 

  h  h h h h h h

 

  j  j j j j j j 

 

  k  k k k k k k

 

  b  b b b b b b

 

  f  f f f f f f

 

  m  m m m m m m

 

  s  s s s s s s

 

  g  g g g g g g

 

  e  e e e e e e

 

  n  n n n n n n

 

a p  p p p p p p

 

b r  r r r r r r

 

f  c  c c c c c c

 

g d  d d d d d d

 

c    - col - col -  -

 

e  Dp  Dp Dp Dp Dp Dp  -

 

d   - - - - - - 

 

-    - - - - - -

 

-    - - - - - - 

(8G)

ANODE CONNECTION

GRID ASSIGNMENT

P1

P2

P3

P4

P5

P6

P7

P8

P9

P10

P11

P12

P13

P14

P15

P16

P17

P18

P19

P20

a

f

e

c

d

b

g

Dp

col

(7G~1G)

a

f

h

g

e

r

p

n

s

c

m

d

j

k

b

8G

7G

6G

5G

4G

3G

2G

1G

6-7E

7-1

This section describes procedures and instructions necessary for
adjusting electrical circuits in this unit.

Instruments required:
(1)

Color monitor TV

(2)

Oscilloscope 1 or 2 phenomena, band width over 100 MHz, with
delay mode

(3)

Frequency counter (over 8 digits)

(4)

Digital multimeter

(5)

Standard commander (RMT-D176A)

(6)

DVD reference disc
HLX-501 (J-6090-071-A) (dual layer) (NTSC)
HLX-503 (J-6090-069-A) (single layer) (NTSC)
HLX-504 (J-6090-088-A) (single layer) (NTSC)
HLX-505 (J-6090-089-A) (dual layer) (NTSC)

Mode

Except standby

Instrument

Digital multimeter

EVER +5 V Check

Test point

CN201 pin 4

Specification

5.0 ± 0.3 Vdc

SW +3.3 V Check

Test point

CN201 pin 5

Specification

3.35 ± 0.2 Vdc

SW+5 V Check

Test point

CN201 pin 6

Specification

5.0        Vdc

SW +8 V Check

Test point

CN201 pin 1

Specification

8.0 ± 0.5 Vdc

EVER +11 V Check

Test point

CN201 pin 3

Specification

11.0        Vdc

EVER –10 V Check

Test point

CN201 pin q;

Specification

–10.0        Vdc

Checking method:
(1)

Confirm that each voltage satisfies the specification.

Caution!
Please do not touch any electrical parts at primary circuit to avoid
electrical shock.

+0.5
–1.0

+1.0
–0.5

+0.2
–0.3