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8

4

console unit

1

connector (CN200)

6

main board

3

console flexible board 
(CN300)

5

sub board

2

3

Remove the console board
in the direction of arrow 

A

.

Note: Make it sure to use the new adhesive sheet (LCD 1) 

when the console assy is installed.

1

Raise up three claws 
in the direction of arrow.

2

three claws

4

chassis (LCD)

adhesive sheet (LCD 1)

5

console assy

A

9

1

window (LCD)

2

button (play)

3

console board

10

Checking consumed electric current is one of the items to check. Connect an ammeter before setting the test mode.
(Refer to the following figure)

There are following two methods of entering the test mode.
Method 1:
Short the short lands (SL0120) on the MAIN board with a solder bridge, then turn on the power.
Method 2:
Turn on the power with the 

[HOLD]

 switch OFF. If the set is left as it is, the LCD display becomes on, and after for a while, it changes into

the sleep status (LCD off). Before the status of the display changes into the sleep status, turn ON the 

[HOLD]

 switch and press 

Hs

t

[MEGA BASS]

 

t

Hs

t 

[VOLUME--]

 

t

Hs

t 

[VOLUME+]

 keys in this order.

There are following two methods of releasing the test mode.
In case of enter the test mode with the method 1:
Turn off the power and open the solder bridge on the short lands (SL0120) on the MAIN board.
In case of enter the test mode with the method 2:
Turn off the power.

R6901

R6902

C8004

C8509

R6903

R5001

R5003

C8008

R6018

R6027

R6028

R6035

R6037

C8016

C8014

C

R5002

R9015

C9007

R8103

R9019

R8102

R8607

R8104

R8608

R8105

R8110

C8006

1

L9007

IC8000

IC5000

X8000

56

43

SL0120

120 119 117 113 109 108 105 102 99

96 93

1

118 116 114 110 107 104 101 98

95 92

3

2 115 112 111 116 103 100 97

94 91

5

6

4

82

9

8

7

79

12

11 10

76

15

14 13

73

18

17 16

70

20

21 19

67

24

23 22

66

25

26 27

34

37

40 43 46

49

52 61

24

28 32

35

38

41 45 47

50

53 55

30

31 33

36

39

42 44 48

51

54 56

17

25

33

41

18

26

34

42

19

27

35

43

20

28

36

44

21

29

37

45

22

30

38

46

23

31

39

47

24

32

40

48

battery terminal (+)

battery terminal 

(–)

SL0120

+

–

ammeter

1.23Vdc

+

–

regulated dc

power supply

11

After entering the test mode, ROM/RAM self-check is performed automatically in the first place. By entering the test mode with key input,
however, no RAM check is performed.
1

Result of the ROM/RAM check is OK:
The LCD back light turns on, and version and destination is displayed automatically.

2

Result of the ROM check is NG:
“BAD ROM” is displayed on the LCD, and the LCD back light keeps blinking.

3

Result of the RAM check is NG:
Nothing is displayed on the LCD, and the LCD back light keeps blinking

Version and destination are displayed as follows.

Every time the 

[DISPLAY]

 key is pressed, the display changes as “version and destination 

t LCD all lit t LCD all off t version and

destination...”.

Also, pressing the 

[VOLUME+]

 key changes the mode to writing destination, and if pressing the 

[VOLUME--]

 key, the unit goes into the

sleep mode.

Enter the test mode

1. ROM/RAM Self-check

2. Display of version

and destination

3. Writing destination

(Checking voltage and 

consumed electric current)

4. Checking the rated

voltage

5. Checking the LOW BATT

 voltage

6. USB self-check

7. RTC self-check

8. Sleep mode

(Checking consumed electric current)

Waking up with the normal mode
(Waking up with the test mode, if 
the short lands (SL0120) have 
been short)

[DISPLAY]

 key

[DISPLAY]

 key

[DISPLAY]

 key

[MENU]

 key

[MENU]

 key

[MENU]

 key

[MENU]

 key

[MENU]

 key

[VOLUME+]

 key

[VOLUME--]

 key

LCD all off

LCD all lit

any key

v0.09.05JP

display example