SERVICE MANUAL
V4001 Plus
MODEL NO.:V4001 Plus
Contents
Specification |
1 |
Block Diagram |
2 |
Packing View |
3 |
Packing View Part List |
4 |
Point To Point Wiring Diagram |
5 |
Exploded View |
6 |
Exploded View Part List |
7 |
Electrical Part List |
8-13 |
Schematic Diagram |
14-15 |
Printed Circuit Board Diagram |
16-17 |
IC Block Diagram |
18-20 |
Trouble Shooting |
21 |
General Specification
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NORMAL |
LIMIT |
* Input Sensitivity (4 ohm LOAD,POWER OUTPUT 900W) |
0dB |
0dB+/-2dB |
* Rated Power Output Level(1KHz,THD+N 1%) |
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8 ohm TWO CHANNEL |
680W |
600W |
4 ohm TWO CHANNEL(ONE CHANNEL) |
1050W(1180W) |
900W(1080W) |
2 ohm ONE CHANNEL |
1450W |
1400W |
8 ohm BRIDGED MONO |
2100W |
1800W |
4 ohm BRIDGED MONO |
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2800W |
* Frequency response |
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8 ohm 1W, Check point 1KHz, From 20Hz~20KHz |
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+0.5/-1dB |
* THD+N |
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4 ohm per channel 1/2 POWER,AT1KHz,BOTH CH DRIVE |
0.07% |
0.15% |
* Channel Crosstalk
4 ohm rated power, "A" weighted
CH1-> CH2 |
85dB |
CH2-> CH1 |
77dB |
* SIGNAL-TO-NOISE RATIO |
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4 ohm RATED POWER,Audio Filter Weighted |
105dB |
* Input Clipping
No Load,Input 20dBm,Turn VR Output 40dBm
* INDICATOR
CLIP LED (@4 ohm 1KHz,Just light)
SIGNAL LED (@Audio Analyzer 4 ohm Load,Set No Load,1KHz,Output:900WÙ0dBr)
-10dB LED just light |
-10dB |
-20dB LED just light |
-20dB |
SIGNAL LED just light |
-36dB |
*DC OFFSET VOLTAGE (@ 4 ohm 1KHz 1/8 POWER)
*IDLE VOLTAGE (VOLUME MIN)
*DAMPING FACTOR @ 8ohm 400Hz 1W
*HPF TEST @8ohm 1KHz 1W Again Input 20Hz
*Limiter @4ohm 1KHz Input:+4dBm(600 ohm) VOLUME MAX
*SUB WOOFER(SWITCH ON VOLUME MAX)
No load,Input:20Hz,Output:37dBm (Audio Analyzer Input/100K SUB VR MIN),Again Input 45Hz
No load,Input:200Hz,Output:37dBm (Audio Analyzer Input/100K SUB VR MAX),Again Input 400Hz
* VOLUME CONTROL(FRONT/REAR SWITCH ‘REAR’) 8 ohm 1KHz,THD+N 1%
70dB
70dB
more than 85dB
THD+N <0.1%
>=0.08%
-10dB+/-2dB -20dB+/-2dB -36dB+/-2dB
less than 100mV
90+/-10mV
more than 200
-10dBr Down
<=1%
-10dBr DOWN
-10dBr DOWN
600W
1
Block Diagram
2
Packing View
3
Packing View Part List
REF NO. |
DESCRIPTION |
PART NO. |
Q'TY |
REMARK |
1 |
CUSHION |
507-V1001-2627 |
2 |
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2 |
I/B ASS’Y |
701-V1001A-3624 |
1 |
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3 |
UNIT |
V4001B |
1 |
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4 |
BAG |
505-DJ3500O-156 |
1 |
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5 |
INSIDE BOX |
507-V4001-2639 |
1 |
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4
Point to Point Wiring Diagram
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OUTPUT BOARD |
DC FAN |
CIRCUIT BREAKER |
CN701 |
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10 |
CN702 |
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A |
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M |
CN703 |
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P |
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AC INLET |
CN704 |
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CN101 |
WA103A |
POWER BOARD |
WA103 |
CN101A |
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T2 |
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T1 |
INTPUT BOARD
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CN301 |
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DC FAN |
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CN304 |
CN302 |
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WA204 |
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WA301 |
CN101 |
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WA103 |
WA203
CN101A |
WA103A |
AMP BOARD (CH1)
WA102 |
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T102 |
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T101 |
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TO:T8 |
TO:T9 |
TO:T10 |
TO:T11 |
TO:T12 |
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+VH1 |
+VL1 |
CT_A1 |
-VL1 |
-VH1 |
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GRY |
GRY |
WHT |
WHT |
BRN |
BRN |
T203 |
T201 |
T202 |
T205 |
T206 |
T204 |
WA402
TRANSFORMER
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R |
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ED |
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B |
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LU |
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Y |
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EL |
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B |
YE |
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R |
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L |
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G |
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L |
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B |
BG E |
U |
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RRWW RR D |
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YNHH NY |
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TT |
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DISPLAY&VR B'D |
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CN103 |
PEOTECT |
CN206 |
CN103A |
CLIP -10dB -20dB SIGNAL ACTIVE
AMP BOARD (CH2)
WA102 |
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T102 |
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T101 |
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+VH1 TO:18 |
+VL1 TO:T17 |
CT A1 TO:16 |
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TO:T13 |
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-VL1TO:T15 |
-VH1 |
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RED |
RED |
WHT |
WHT |
BL |
BL |
T203 |
T201 |
T202 |
T205 |
T206 |
T204 |
5
View Exploded
6
MATERIAL |
FINISHING |
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TOLERANCE |
MODEL NO |
V4001B |
3RD ANGLE'S |
SCALE |
1:1 |
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DESCRIPTION |
EXPLODE DRAWING |
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