NW-MS6
SECTION 4
TEST MODE
[Preparation]
Checking consumed electric current is one of the items to check. Connect an ammeter before setting the test mode. (Refer to the following figure)
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ammeter | power supply | ||
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+
– 
– MAIN BOARD (Conductor Side) –
battery terminal (+)
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–
1.23Vdc
battery terminal
SL0120
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| R9015 |
L9007 | SL0120 |
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R6901 | R6902 |
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
56
| C9007 |
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| R8103 | |
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| R9019 |
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| R8102 | ||||
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| R8607 | |
R5001 |
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| R8104 | |
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| R8608 | |
R5003 |
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| R8105 | |
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| C8006 |
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| R8110 | ||||
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X8000 |
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| C |
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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 |
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| 82 | |
9 | 8 | 7 |
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| 79 | |
12 | 11 | 10 |
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| IC8000 |
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15 | 14 | 13 |
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18 | 17 | 16 |
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20 | 21 | 19 |
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24 | 23 | 22 |
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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 | ||||
1 | IC5000 | C8008 |
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| R6018 |
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| R6027 |
| R6028 |
| R6035 |
| R6037 |
| C8016 |
| C8014 |
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| C8004 |
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| C8509 | R6903 |
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[Setting the Test Mode]
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
[Releasing the Test Mode]
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.
10