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ME-50
CHECKING THE VERSION NUMBER
· · Device Settings Hold down the [EDIT/EXIT] switch and [WRITE] switch and turn the POWER switch on. Turn the VR knobs (pots) completely to the left (minimum).
Noise Meter
Filter: IHF-A (JIS-A)
Foot Switch (FS-5U)
POLARITY SW: Jack
Press the [FOOT 1] switch. If the version number is Ver.1.01, the "b" (flat symbol) LED lights up, and "1" appears in the seven-segment LED.
fig.test-4_70
Switching into Test Mode
· Device Settings Turn all VR knobs (pots) completely to the left (minimum).
fig.test-2_50
RESTORING THE FACTORY SETTINGS
· · Hold down the [WRITE] switch and [ switch on. ] switch and turn the POWER Hold down the [EDIT/EXIT] switch and [WRITE] switch and turn the POWER switch on. "F" appears in the seven-segment LED. · · Press the [WRITE] switch. The BANK LED flashes. Press the [WRITE] switch. The seven-segment LED and BANK LED flash, and the factory data is loaded.
Test Categories
1. 2. 3. 4. LED Full Lighting, EEPROM Check LED Lighting Check Key SW, Pedal SW Check External SW Check VR Check EXP Pedal Check DSP Check D/A Circuitry Check DRAM Check
The dot in the seven-segment portion lights, and Factory Reset is completed when the unit switches to Play mode.
Never turn off the power while factory data is being loaded.
5. 6. 7.
TEST MODE
Items to Have On Hand
Oscilloscope (1) Oscillator (1) Monitor amps (2) Noise meters (2) FS-5U (2) Open plug
8. 9.
10. INPUT A/D Check, AUX IN Check, Noise Check 11. EXP Pedal Adjustment
Test Details
Switch to Test mode. · · Device Settings Hold down the [EDIT/EXIT] switch and [WRITE] switch and turn the POWER switch on. Turn all VR knobs (pots) completely to the left (minimum).
Measuring Equipment Settings
Oscillator
Waveform: Rectangular wave Frequency: 400 Hz Output Level: 50 mVp-p · ·
1. LED Full Lighting, EEPROM Check
After the test is implemented, with data read from and written to the EEPROM, all of the LEDs light up. Confirm the following.
1. All LEDS are lit. 2. No LED goes off when the unit is subjected to shock.
Oscilloscope
TIME/DIV : 0.5 msec VOLTS/DIV : 0.2 V
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Feb.2003
fig.test-3_50
1 2 3 4 5 6 7 8 9
fig.test-6_50
3 4 1 2
20 10 11 19
18
17 16
15
14
13
12
·
With all LEDs lit, press the following switches to enable selection of the type of check to start.
5 6 7 8
Press the [FOOT 1] switch to proceed to the "Version Check." Press the [FOOT 2] switch to proceed to "5. VR Check." Press the [FOOT 3] switch to proceed to "6. EXP Pedal Check." Press the [ Press the [ · ] switch to proceed to "7. DSP Check." ] switch to proceed to "11. EXP Pedal Adjustment."
If no problem exists, the procedure automatically proceeds to the next step.
4. External SW Check
· Connect two FS-5U foot switches, one each to the [TONE MODIFY] and [COMP ON/OFF] jacks. Set the FS-5U POLARITY switches at the jacks.
fig.test-7_70
Version Check
Press the [FOOT 1] switch. If the version number is Ver.1.01, the "b" (flat symbol) LED lights up, and "1" appears in the seven-segment LED. After confirming the version, press the [ lighting check. ] switch to proceed to the LED
2. LED Lighting Check
· Confirm that the LEDs light up in sequence each the [WRITE] switch is pressed.
2 3 4 12 5 6 7 8 9
fig.test-5_50
·
Press the [TONE MODIFY] switch (FOOT SW = TIP).
If no problem exists, then "2" appears in the seven-segment display.
fig.test-8_70
1 10 11 17
·
Press the [COMP ON/OFF] switch (FOOT SW = RING).
If no problem exists, the procedure automatically proceeds to the next step.
16 15 18 19 14 20 13
Sequence in Which LEDs Light Up [TONE MODIFY][COMPRESSOR][NS][REVERB]([b]->[#]) [TUNER][MEMORY] [EACH SEGMENT OF 7-SEGMENT LED][PEDAL MODE SW][DELAY][MODULATION] [OVERDRIVE/DISTORTION VARIATION][FOOT 1][FOOT 2][FOOT 3] RETURN TO [TONE MODIFY] · Press the [ ] switch to proceed to the next step. Note: This will not advance the procedure to the next step unless the cycle has returned to [TONE MODIFY].
5. VR Check
The dot in the seven-segment LED appears when the VR is not at the minimum position.
fig.test-9_70
3. Key SW, Pedal SW Check
· Press the following switches in the indicated sequence. ][TYPE VARIATION][FOOT [WRITE][ ][EDIT/EXIT][ 1][FOOT 2][FOOT 3]
(1) Notched VR Check · Rotate the following VRs (pots) in the indicated sequence. [TONE MODIFY][OVERDRIVE/ DISTORTION][MODULATION][DELAY][PEDAL MODE SW] Note: The notched VRs turn in both directions (clockwise and counterclockwise). Note: Confirm that what is displayed in the seven-segment LED changes with each notch position. [TONE MODIFY], [OVERDRIVE/DISTORTION], [MODULATION], and [DELAY] = "0"--"A"
Note: If the incorrect key is pressed inadvertently, the procedure does not advance to the next key unless the correct key is pressed twice.
14
ME-50
[PEDAL MODE SW] = "0"--"5"
fig.test-10_50
If no problem exists, the procedure automatically proceeds to the next step.
6. EXP Pedal Check
1
· ·
Start with the expression pedal in the depressed position. Carry out the following operations in the indicated sequence.
2
fig.test-15_70
3
4
5
(2) Non-Notched VR Check · Rotate the following VRs (pots) in the indicated sequence. [COMPRESSOR:SUSTAIN][COMPRESSOR:LEVEL][NS:THRESHOLD] [REVERB][MASTER LEVEL][OVERDRIVE/DISTORTION:DRIVE] [OVERDRIVE/DISTORTION:BOTTOM] [OVERDRIVE/DISTORTION:TONE] [OVERDRIVE/DISTORTION:LEVEL][MODULATION:RATE/KEY] [MODULATION:DEPTH/HARMONY] [MODULATION:E.LEVEL/RESONANCE] [DELAY:TIME][DELAY:FEEDBACK][DELAY:E.LEVEL] Note: Confirm that what is displayed in the seven-segment LED changes with each notch position.
fig.test-11_70
1. Raise the tip of the expression pedal until it is at its highest point.
fig.test-16_70
2. Lower the tip of the expression pedal until it is approximately at the midpoint.
fig.test-17_70
fig.test-12_70
3. Once again, press down tip down completely so that the pedal is in the fully depressed position.
fig.test-18_70
fig.test-13_70
If no problem exists, the procedure automatically proceeds to the next step.
7. DSP Check
· The DSP check is performed automatically. If no problem exists, the procedure automatically proceeds to the next step.
fig.test-14_50
1 2 3 4 5
8. D/A Circuitry Check
fig.test-19_70
· ·
Oscilloscope Settings: Ch1: 0.2 V/div; Ch2: 0.2 V/div; TIME: 0.5 ms/div Connect the cable only to the OUTPUT L(MONO) jack, then confirm that the waveform output by OUTPUT L(MONO) changes accordingly, as shown in the figures below.
6
7
8
9
10
11
12
13
14
15
15
Feb.2003
[Mute Off]
fig.test-20_50
[Mute On]
fig.test-21_50
[Mute On]
fig.test-21_50
·
Disconnect the cable from OUTPUT R, then confirm that the waveform output by OUTPUT L(MONO) changes accordingly, as shown in the figures below.
[Mute Off]
fig.test-20_50
·
Next, connect the cable to OUTPUT R, then confirm that the waveform output by OUTPUT R changes accordingly, as shown in the figures below.
[Mute Off]
fig.test-22_50
[Mute On]
fig.test-21_50
Reconnect the cable to OUTPUT R, then confirm that the waveform output by OUTPUT changes accordingly, as shown in the figures below.
[Mute Off]
· Confirm that the value for the waveform amplitude is between 380 and 540 (mVp-p).
16
ME-50
fig.test-22_50
[Mute On]
fig.test-24_50
[Mute On]
fig.test-21_50
Press the [
] switch to proceed to the next step.
9. DRAM Check
fig.test-25_70
· · ·
Oscilloscope Settings: Ch1: 0.2 V/div; Ch2: 0.2 V/div; TIME: 0.5 ms/div Connect the cable only to the OUTPUT L(MONO) jack, then confirm that the waveform from OUTPUT is smooth, as shown in the figure below. Confirm that the value for the waveform amplitude is between 330 and 470 (mVp-p).
fig.test-26_50
· ·
Confirm that the LINE/PHONES waveform changes accordingly, as shown in the figures below. Confirm that the value for the waveform amplitude is between 600 and 850 (mVp-p).
[Mute Off]
fig.test-23_50
· Example of bad waveform: waveform is stepped
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Feb.2003
fig.test-27_50 fig.test-30_50
· Press the [
] switch to proceed to the next step.
·
Confirm that the LINE/PHONES waveform amplitude is between 290 and 410 (mVp-p).
10. INPUT A/D Check, AUX IN Check, Noise Check
fig.test-28_70
(1) INPUT A/D Check Input a rectangular wave to the INPUT jack only, then check the waveform from OUTPUT. · · · INPUT Signal: 400-Hz, 50-mVp-p square wave Oscilloscope Settings: Ch1: 0.2 V/div; Ch2: 0.2 V/div; TIME: 0.5 ms/div Confirm that the value for the waveform amplitude is between 320 and 460 (mVp-p). (3) INPUT-to-OUTPUT Noise Check · · 1. 2. 3. · Disconnect cable connected to INPUT and AUX IN. Listen to the noise and confirm the following. Noise level is -83.0 dBm IHF-A (JIS-A) or lower (both L and R). No abnormal sounds are mixed with the output sound. No abnormal sounds occur when the unit is subjected to shock. Press the [ ] switch to proceed to the next step.
fig.test-29_50
11. EXP Pedal Adjustment
fig.test-31_70
(2) AUX IN Check Input a rectangular wave to the AUX IN jack only, then check the waveform from OUTPUT. · · · INPUT Signal: 400-Hz, 200-mVp-p square wave Oscilloscope Settings: Ch1: 0.2 V/div; Ch2: 0.2 V/div; TIME: 0.5 ms/div Confirm that the value for the waveform amplitude is between 400 and 560 (mVp-p) GUITAR/AMP Jack.
fig.test-32_70
·
Raise the unit's expression pedal completely, release the pedal, and press the [WRITE] switch.
18
ME-50
Note: Release the pedal when the pedal is fully raised, then press the [WRITE] switch. If an error occurs, the green LED in the upper portion of the seven-segment LED display flashes.
fig.test-33_70
·
Press the unit's expression pedal completely forward, release the pedal, and press the [WRITE] switch.
Note: Release the pedal when the pedal is pressed down completely, then press the [WRITE] switch. If an error occurs, the green LED in the upper portion of the seven-segment LED display flashes.
fig.test-34_70
· ·
Press the [ switch.
] or [
] switch to select "5," then press the [WRITE]
If no problem exists, the procedure automatically proceeds to Factory Reset.
Factory Reset
"F" appears in the seven-segment LED. · · Press the [WRITE] switch. The BANK LED flashes. Press the [WRITE] switch. The seven-segment LED and BANK LED flash, and the factory data is loaded.
The dot in the seven-segment portion lights, and Factory Reset is completed when the unit switches to Play mode.
Never turn off the power while factory data is being loaded. When the above is completed, the unit quits Test mode.
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Feb.2003
ME-50
BLOCK DIAGRAM
fig.block
JK 1
INPUT AUX IN
JK 5
BUFFER Q1
Pre Emph Level CTL IC2
JK 2
CODEC (AD/DA) DE Emph Level CTL IC1 BUFFER IC18
OUTPUT R (MONO)
JK 6
CTL1,2
VR 2-5 ANALOG MULTIPLEXER IC4 ANALOG MULTIPLEXER IC7
JK 3
OUTPUT L
MUTE Q2,3 BUFFER (NON INV) IC6 MUTE Q4,5
IC3
VR 6-9 VR 10-13
JK 4
PHONES/ LINE
FILTER CRYSTAL OSCILLATOR X2 DRAM IC12 RESET IC5
VR 14-17 VR 18-21 EEPROM IC EXP PEDAL SW 1-4,6-9 +9.0V
ANALOG MULTIPLEXER IC10
DSP IC8
MUTE CONTROL Q6 FOR IC2, IC3 CPU IC11 LED DRIVER IC16 LED DRIVER IC17 LED 6-9 LED 7 SEG LED 10-21 CRYSTAL OSCILLATOR X1 LED 2-4
BATTERY CN3
VOLTAGE REGULATOR IC19 FOR ANALOG RIPPLE FILTER Q9 DC-DC CONVERTER IC14 +3.3V
JK 7
DC IN
SW5
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Feb.2003
ME-50
CIRCUIT BOARD
comp.eps
View from components side
23
Feb.2003
ME-50
CIRCUIT BOARD
foil.eps
View from foil side
25
Feb.2003
ME-50
CIRCUIT DIAGRAM
fig.main-cr
+ DA1 N.I.U. 1 3 2 Q1 2SK880GR C9 10/16 R11 47k 2 C16 10/16 R12 1M C17 N.I.U. A IC20 N.I.U. 2 D GND IN OUT 3 C154 N.I.U. C152 100/16 A AVCC VR2 RD901-40-125F-06D(6detents) 3 3 VR4 RD901-40-125F-00D 3 3 IC4 2 1 C146 N.I.U. D RA1 1 2 3 4 8 7 6 5 C45 VR6 RD901-40-125F-00D 3 3 VR8 RD901-40-125F-00D 3 3 0.1 C46 0.1 C47 0.1 C48 0.1 D 4 2 5 1 11 15 14 12 9 10 6 3Y 2Y 1Y 0Y 3X 2X 1X 0X B A INH YCOM XCOM VCC 3 13 AVCC 16 C38 0.1 GND 8 D VEE 7 HSJ0857-01-1210 A + R47 100k IC7 8 7 6 5 C59 VR10 RD901-40-125F-00D 3 3 VR12 RD901-40-125F-00D 3 3 0.1 C60 0.1 C61 0.1 C62 0.1 9 10 6 4 2 5 1 11 15 14 12 3Y 2Y 1Y 0Y 3X 2X 1X 0X B A INH YCOM XCOM VCC 3 13 AVCC 16 C63 0.1 GND 8 D VEE 7 HTJ-064-12D A A 3 . 3+ D 3 . 3+ D 2 R139 47k L4 2 3 1 N.I.U. A R140 4.7k R56 4.7k C65 0.1 3 A DA2 1SS302 1 Q6 2SA1586GR R61 100 R62 10k R63 D D 3 . 3+ D C68 VR14 RD901-40-125F-00D 3 3 VR16 RD901-40-125F-0DD(11detents) 3 3 0.1 C69 0.1 C70 0.1 C71 0.1 R141 47k 2 1 2 3 4 RA4 1 8 7 6 5 C90 VR18 RD901-40-125F-00D 3 3 VR20 RD901-40-125F-00D 3 3 0.1 C91 0.1 C92 0.1 C93 0.1 9 10 6 D IC10 4 2 5 1 11 15 14 12 3Y 2Y 1Y 0Y 3X 2X 1X 0X B A INH YCOM XCOM VCC 3 13 AVCC 16 C94 0.1 GND 8 D VEE 7 D R138 47k D D 2 1 64 63 59 60 61 62 54 53 52 51 31 47 46 45 44 47k 55 56 57 58 40 39 38 37 32 33 34 L5 N.I.U. R142 4.7k R58 4.7k 3 D C73 N.I.U. AVCC 1 1 1 C64 0.1 D C88 10/16 C89 0.1 D R70 10 12 3 6 D IC11 D R75 N.I.U. 24 23 22 21 20 19 18 17 16 15 14 13 36 27 26 25 49US SMD1 10MHz R78 P33 P32 P31 P30 P67/FTIOD1 P66/FTIOC1 P65/FTIOB1 P64/FTIOA1 P63/FTIOD0 P62/FTIOC0 P61/FTIOB0 OSC1 11 X1 C100 12p C101 12p OSC2 X1 10 D 5 C103 0.1 D 2 X 2 D 4 VDD OE 1 D +3. 3 D +3. 3 65 66 67 68 69 70 71 D 30 118 119 121 122 123 125 126 127 129 130 132 133 134 135 137 138 R91 47 139 141 76 131 31 12 13 14 R76 N.I.U. 3 . 3+ D 2 DA3 1SS302 1 R66 N.I.U. C74 0.1 D +3. 3 C76 C87 A R67 C75 100/16 IC9B 0.1 7 N.I.U. + 6 5 R69 N.I.U. AVCC N.I.U. C72 N.I.U. C86 N.I.U. 1 N.I.U. R72 N.I.U. D D R73 N.I.U. R74 N.I.U. IC9A + R68 N.I.U. 2 3 AVCC R71 N.I.U. D 2 N.I.U. Q7 N.I.U. 1 3 2 1M 1 R65 D2 N.I.U. 2 N.I.U. D +3. 3 2 1 R64 N.I.U. 1 11 26 37 51 73 90 101 109 120 140 D +3. 3 1 D 3 2 A C137 N.I.U. R48 100k C138 N.I.U. 3 . 3+ D 1 D1 1SS352 2 D R51 100k C56 0.22/50 R54 100k R55 100k + A IC2C NJM2100M C25 10/16 C30 0.1 D C33 1/50 2 3 1 C42 10/16 A C34 0.1 R37 100k C41 0.22/50 C49 10/16 R49 10k C52 C53 0.0018 6 5 C58 150p A C66 47/16 + M5218AFP IC5B 7 R53 10k 6 C136 N.I.U. R136 10k + 5 + NJM4556 R57 N.I.U. R137 100k C67 N.I.U. A R60 100k 2 IC6B 7 C54 100/16 R52 68(1/2W) C151 100/16 R59 1 Q5 2SC4213A A R144 100k A 4.7k 10p R50 10k A A R40 100k R41 100k + 2 C148 0.1 IC19 S-81233SGY GND IN OUT 3 C149 0.1 C28 100/16 C29 0.1 R28 10k R29 10k C26 0.1 R33 10 5 C32 4 C31 10/16 N.I.U. 3 2 1 1 2 1 2 C147 100/16 14 VCOM PDN VSS + + 13 RESET R36 10k C36 C37 0.0018 2 3 C44 150p A R46 + M5218AFP IC5A 1 R42 10k 2 C135 N.I.U. R134 10k 3 + NJM4556 10k + R135 100k C51 R43 N.I.U. C50 N.I.U. 2 10p R45 100k IC6A 1 C39 100/16 R39 68(1/2W) C150 100/16 R44 1 Q4 2SC4213A A R143 100k A 4.7k A JK4 HTJ-064-12D 10p R38 10k R35 10k C35 10p 8 4 VA VD SDTO SDTI C153 N.I.U. A A R13 10k A R24 10k(F) 6 5 + 7 IC2B NJM2100M C20 10/16 1 3 + 1 R18 C15 150k(F) N.I.U. 2 IC2A NJM2100M C12 10/16 IC3 AK4552VT DEM0 DEM1 ROUT RIN LOUT LRCK BCLK MCLK 15 10 12 11 8 9 C22 10/16 R25 27k 6 + 5 + 7 IC1B M5218AFP C134 N.I.U. R132 10k 6 7 16 D C19 10/16 A 2 C7 0.0022 R7 10k + R4 15k C2 10/16 C8 10p R6 10k C5 100/16 C6 N.I.U. R8 27k 2 A A A + 1 IC1A M5218AFP C14 0.0022 47k 10p C129 R131 5.6k 6 5 + 7 C23 R26 1k C24 10/16 R32 1 4.7k A A R31 100k A R27 1k 10p C133 N.I.U. R128 10k 3 + R1 10k R2 10k + R3 C3 47k 10p C128 R127 5.6k 2 3 + C10 1 IC18A 10/16 M5218AFP 3 R9 1k C11 10/16 R17 1 4.7k A A R10 1k 10p C1 0.0022 R126 10k
GUITAR INPUT
JK1 C4 2 4 1 0.47S + HTJ-064-12I AVCC 12 11 3 2 1 3 2 1 3 2 1 3 2 1 D R20 100 R22 10k C18 0.1 + 13 A R16 10k
A
3 1 R5 10k
OUTPUT R
2 4 1 JK2 HTJ-064-12I
EXP BOARD
EXP PEDAL
4 VR1A RK11K1140 (10KSB)
D +3. 3
LIN
R130 10k R23 C21
CN1 WIRING 3P
CN2 A2001WR2-3P
2
R21 10k
+
R129 100k
Q2 2SC4213A
R15 100k
A
OUTPUT L (MONO)
2 4 1 JK3 HTJ-064-12I
+
AD DA
2
+
R133 100k
1
Q3 2SC4213A
3
MAIN BOARD
1
LRCK BCK MCK
10/16 IC18B M5218AFP
AUX IN
JK5
PHONES/LINE
2 3 1 3 3
VR3 RD901-40-125F-00D
VR5 RD901-40-125F-0DD(11detents)
CRN34101J
TC74HC4052AF 2 1 2 3 4 RA2 D
2 1 1
2 1
2 1
VR7 RD901-40-125F-00D
VR9 RD901-40-125F-0DD(11detents)
CRN34101J
CTL 1,2
JK6
2 1 1
2 1
2 1
2 1 2 3 4 RA3 8 7 6 5
D
A
TC74HC4052AF
D +3. 3
VR11 RD901-40-125F-00D
VR13 RD901-40-125F-00D
CRN34101J
18 59 93 128
IC8 D +3. 3 C77 C78 0.1 C79 0.1 C80 0.1 C81 0.1 C82 0.1 C83 0.1 C84 0.1 C85 100/16
LED1 N.I.U. 1 81 82 83 84 86 87 88 89 91 92 94 95 96 97 99 100 102 103 104 105 106 107 74 75 77 78 79
2
2
2
VR15 RD901-40-125F-00D
VR17 RD901-40-125F-0DD(11detents)
D
AVCC
VCL
VCC
CRN34101J
Q8 N.I.U.
63 62 61 60 58 57 56 52 53 54 110 111 112 113 114 115 117 142 143 28 27 25 24 23 21 20 19 17 16 50 49 48 47 46 45 43 42 41 40 39 38 35 34 33 32 10 9 8 7 5 4 3 2 D
0.1 D D
2 1 1
2 1
2 1
2 1 2 3 4 RA6 8 7 6 5 C96 0.1 C97 0.1 C98 0.1
D
TC74HC4052AF D +3. 3 R77 C99 0.1 D +3. 3 4 3 2 1 D +3. 3 RA8 SW1 SKQKAB 1 2 SW2 SKQKAB 1 2 SW3 SKQKAB 1 2 SW4 SKQKAB 1 2 CRN34473J 5 6 7 8 D +3. 3 R145 47k D +3. 3 47k
PB7/AN7 PB6/AN6 PB5/AN5 PB4/AN4 PB3/AN3 PB2/AN2 PB1/AN1 PB0/AN0 P17/IRQ3/TRGV P16/IRQ2 P15/IRQ1/TMIB1 P14/IRQ0 P24 P23 P22/TXD P21/RXD P20/SCK3
P11/PWM P10/TMOW P55/WKP5/ADTRG P54/WKP4 P53/WKP3 P52/WKP2 P37 P36 P35 P34 P51/WKP1 P50/WKP0 P60/FTIOA0 P57/SCL P56/SDA P12
C95 0.001 D
D
VR19 RD901-40-125F-00D
VR21 RD901-40-125F-00D
CRN34101J
IC12 28 27 26 25 24 21 20 19 18 13 14 17 32 A8 A7 A6 A5 A4 A3 A2 A1 A0 NC NC NC NC I/O16 I/O15 I/O14 I/O13 I/O12 I/O11 I/O10 I/O9 I/O8 I/O7 I/O6 I/O5 I/O4 I/O3 I/O2 I/O1 VCC VCC VCC 43 42 41 40 38 37 36 35 10 9 8 7 5 4 3 2 22 6 1 1 2 3 4 1 2 3 4
TO BATTERY
1 2 2 1 2 A R80 miniSMDC075 11 13 SW5A 12 SK22F02 C108 100/16 C109 0.1 R82 6.8k(F) C102 10/16 R79 15k(F) D3 1SS352 1 D +3. 3
D
R146 47k
D +3. 3 8 RA7 7 6 CRN34103J 5 8 RA9 7 CRN34103J 6 5
CN3 53015-0210
D D +3. 3 1 2 3 4 SW6 SKQKAB 1 2 SW7 SKQKAH 1 2 SW8 SKQKAH 1 2 SW9 SKQKAH 1 2
+3. 3 R81 47k LED4 LED3 LED2
DC IN
4 5 1 3 2 JK7 HEC2392-01-150 L1 QT0460 2 C131 N.I.U. 1 3 4 1 C132 D4 0.1 SS14 2 21 23
D
D Q9 3 R85 2.2k 2SC4116GR 2 C111 100/16 C112 0.1 +
SW5B 22 SK22F02
RA10 CRN34473J 8 7 6 5
X2 TEST
4 8
GND
OUT
3
R83 47
D +3. 3 D +3. 3 0.1 0.1 0.1 C107 100/16
D +3. 3 R84 2 D5 1SS352 1
SG-8002 (67.7376MHz)
D
D +3. 3
R87 R88
47k 47k
A
RST
C110 0.1
6
29 30 28 50 49 48 43 42 41
P75/TMCIV P76/TMOV P74/TMRIV P72/TXD_2 P71/RXD_2 P70/SCK3_2 P87 P86 P85 VSS
C104
RES
7
D
R86 12k D +3. 3 VCC 7 R89 12k IN 2 R90 10k D C114 0.1 D
DA
D
VSS VSS VSS
44 39 23
C106
NMI
47k
C105
35
1
16 30 31 15 29
RAS UCAS LCAS WE OE
D D
C113 100/16
1 3 8 5 C115 N.I.U. HD64F3687H (1Lot) HD6433687 (2Lot-) D D C130 1.0u
9
L2 N.I.U. IC14 5 VIN LT1616 BOOST 1 C116 0.01 D6 1SS352 2 1 D +3. 3
A
DLY
GND
NC NC NC
LC32V4265T-25-TLM
D AD LRCK BCK MCK
DRAM
4 IC13 M51957BFP
D +3. 3 1 2 3 4
D +3. 3 1 LED2
D +3. 3 1 LED3 2
D +3. 3 1 8 7 6 5 LED4 2 L-34GDSL R94 470
RA11 CRN34473J
64pin QFP
L3 SLF7032T-100M(10uH) 4 C117 100/16 C118 0.1 SHDN GND SW FB 6 2
D +3. 3
2
L-34HDSL R92
L-34HDSL R93 680
D +3. 3 IC15 R96 R100 10k 100 R97 10k 5 6 1 2 3 A0 A1 A2 SDA SCL VCC WP VSS 8
RESET IC (Open Corector)
D +3. 3
D7 1 R95 33k R99 33k SS14 C120 0.1
2
3
680
6 15 22 29 36 44 55 64 72 80 85 98 108 116 124 136 144 RESET + 8 + 8 AVCC + 8 + IC5C M5218AFP 4 C126 100/16 + 4 NJM4556 IC6C C127 N.I.U. + 4 8 IC9C N.I.U. + 4 IC18C M5218AFP A A D A
TC223C080AF-101
7 4
C121 0.1
R98 10k
C119 100/16
144pin QFP
D
D
CAT24WC32J D
7seg LED
D +3. 3 10 5 D +3. 3 C139 N.I.U. C140 N.I.U. C141 N.I.U. C142 N.I.U. C143 N.I.U. C144 N.I.U. C145 N.I.U. COM2 COM1
LED5 A-601H + D +3. 3 VDD 16 C122 VSS 1 0.1 D 2 3 D C123 100/16 R101 1.2k 1 2 3 4 5 6 7 N.I.U. A DATA CK 8 + 4 M5218AFP IC1C D +3. 3 1 LED6 G C DP D +3. 3 1 LED7 2 2 L-34HDSL R111 680 LED7 LED8 D +3. 3 1 LED8 2 L-34GDSL R112 470 LED9 D +3. 3 LED9 L-34HDSL R113 680 DP G F E D C B A LED6 LED7 LED8 LED9 4 5 6 7 8 9 10 11 12 13 14 15 1 D +3. 3 IC16 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 BU2090F 1 2 3 4 5 6 7 CN4
A
B
E
D
F
7
6
1
3
2
9
8
R102 270 A B
R103 270 C
R104 270 D
R105 270 E
R106 270 F
R107 270 G
R108 270 DP
4
R109 270
2 D +3. 3 1 LED11 2 2 L-34HDSL R115 680 LED11 LED12 D +3. 3 1 LED12 2 L-34HDSL R116 680 LED13 D +3. 3 1 LED13 2 L-34HDSL R117 680 LED14 D +3. 3 1 LED14 2 L-34HDSL R118 680 LED15 D +3. 3 1 LED15 2 L-34HDSL R119 680 LED16 D +3. 3 1 LED16 2 L-34HDSL R120 680 LED17 D +3. 3 1 LED17 2 L-34HDSL R121 680 LED18 LED6 D
L-34HDSL R110 680
D +3. 3 1 LED10 2 L-34HDSL R114 680 LED10
D +3. 3 1 LED18
D +3. 3 1 LED19 2
D +3. 3 1 LED20 2
D +3. 3 LED21 2 L-34HDSL R125 680 LED21 LED10 LED11 LED12 LED13 LED14 LED15 LED16 LED17 LED18 LED19 LED20 LED21 4 5 6 7 8 9 10 11 12 13 14 15 1
IC17 Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10 Q11 BU2090F VDD 16
D +3. 3 C124 VSS 1 0.1 D 2 3 C125 100/16
L-312LRD R122 330
L-34HDSL R123 680
L-34HDSL R124 680
LED19
LED20
DATA CK
27