Akai LEA-22H03P Service Manual page 35

5
+12V
R2782 R2782 39K 39K
D
R0402/SMD R0402/SMD
D254 1N4148 D254 1N4148
1N4148/SMD 1N4148/SMD
R2784 R2784
10K 10K
R0402/SMD R0402/SMD
+12V
2009/11/12
CE905 CE905
+ +
220uF/16V 220uF/16V
CAP5-2.5MM CAP5-2.5MM
D257 D257 R2789 R2789
1N4148 1N4148 100K 100K
1N4148/SMD 1N4148/SMD R0402/SMD R0402/SMD
LOW:OPERATING
HIGH:MUTE
C
B
GND
1,2,3,4,5,6,7,8,9,10,11,13,14 GND
+12V
2,13 +12V
VCC
2,6,7,11,13 VCC
PWM1
3 PWM1
MUTE
11 MUTE
AVOUT_R
11 AVOUT_R
AVOUT_L
11 AVOUT_L
A
5
4
CHANGE NET OF HPDET TO MUTE,FOR POWER OFF POP NOIESE
CE904 CE904
+ +
220uF/16V 220uF/16V
CAP6.3-2.5MM CAP6.3-2.5MM
Q1837 Q1837
1
2N3906 2N3906
SOT23/SMD SOT23/SMD
R2786 R2786 D255 D255 1N4148 1N4148
1N4148/SMD 1N4148/SMD
4.7K 4.7K
R0402/SMD R0402/SMD
MUTE MUTE_AMP
D256 D256 1N4148 1N4148 D259 D259 1N4148 1N4148
1N4148/SMD 1N4148/SMD 1N4148/SMD 1N4148/SMD
PWM1 D258 D258 1N4148 1N4148
1N4148/SMD 1N4148/SMD
R3005 R3005 1K 1K
AVOUT_L
R5300 R5300
C8004 C8004
1nF 1nF 10K 10K
R5208 R5208 1K 1K
AVOUT_R
R5209 R5209
C8005 C8005
10K 10K
1nF 1nF
MUTE_AMP Q42 Q42
1
2N3904 2N3904
R3008 R3008
10K 10K
4
3
TX52 TX52
Po=3W
U20 U20
TPA1517/TDA1517P TPA1517/TDA1517P
C6505 C6505
TX53 TX53
10uF/10v 10uF/10v L_1517
C0805/SMD C0805/SMD
C6506 C6506
+ + E40 E40
47uF/16V 47uF/16V
10uF/10v 10uF/10v R_1517
C0805/SMD C0805/SMD
+12V
R3007 R3007 1K 1K 10K 10K
R4001 R4001
R4006 R4006 5.6K/NC 5.6K/NC R5301 R5301 1.2K/NC 1.2K/NC
E70 E70
+ +
47uF/16V/NC 47uF/16V/NC
3
2
+12VAMP
L142 L142
+12V
+12V
FB-1206-120-3A FB-1206-120-3A
+ + E10 E10 + +
470uF/16V 470uF/16V CE90 CE90
C6003 C6003 CAP8-3.5MM CAP8-3.5MM 470uF/16V/NC 470uF/16V/NC
CB1401 CB1401
CAP8-3.5MM CAP8-3.5MM
0.1uF 0.1uF
0.1uF 0.1uF
TJC3-4A TJC3-4A
4PIN_2.54 4PIN_2.54
TX51 TX51
E20 E20 1000uF/16V 1000uF/16V
4
3
2
E30 E30 1000uF/16V 1000uF/16V 1
CNC1 CNC1
2
1
D
C
B
A
1