JVC HA-NC100-J/C/E Schematics
Block diagram
Lch
ECM
Rch
ECM
R03/AAA
Battery
DC1.5V
LPF BPF
NC
Adjustment
LPF BPF
NC
Adjustment
Power
SW
LED lighting
circuit
reversal
reversal
INPUT
Lch
Rch
GND
Phase
circuit
Phase
circuit
POWER IC
LA4537M
POWER IC
LA4537M
Lch-SP
Rch-SP
(No.XC009) 2-1
Standard schematic diagram
C3
22u 6.3V
Lch
C4
22u 6.3V
Rch
+
+
BATT
R03
1.5V
Lch
ECM
Rch
ECM
R17
330
R19
39k
R20
39k
Lch
INPUT
GND
Rch
INPUT
C13
0.039u
C14
0.039u
R21
C15
0.1u
R22
C16
0.1u
6.8k
6.8k
C17
0.47u
C18
0.47u
R23
270k
Q5
2SC4081
R27
680
R24
270k
Q6
2SC4081
R28
680
R1
2.2k
C1
R3
33k
2.2u
D3
UDZS10B
R2
2.2k
C2
R4
39k
2.2u
D4
UDZS10B
S1
R41
22k
R43
270
0.0015u
Q7
2SC4081
C39
0.0015u
C38
R5
33k
C5
0.022u
0.0056u
R6
39k
C6
0.022u
0.0056u
R42
22k
R7
110k
C7
R8
110k
C8
Q8
2SC4081
R44
270
Q1
2SC4081
C9
2.2u
R9
470
R18
330
Q2
2SC4081
C10
2.2u
R10
470
C40
0.22u
R11
390k
Q3
2SC4081
R12
390k
Q4
2SC4081
D1
2R4HD-3
D2
MA2J111
R13
1.5k
R15
75
R14
1.5k
R16
75
2.2u
C12
2.2u
C11
VR1
10kB
VR2
10kB
+
C37
470u 4V
R25
680
220u 4V
R26
680
220u 4V
C24
C22
2.2u
C23
2.2u
C21
2.2u
2.2u
C19
C20
R29
150
+
+
C31
R30
150
+
+
C32
10u 4V
10u 4V
IC1
LA4537M
1
P/SW
2
IN1
3
PRE G
4
IN2
REF5VCC
IC2
LA4537M
1
P/SW
2
IN1
3
PRE G
4
IN2
REF5VCC
MUTE SW
OUT1
PWR G
OUT2
C25
100u 4V
MUTE SW
OUT1
PWR G
OUT2
C26
100u 4V
R31
15k
10
9
8
7
6
+
C33
0.1u
R32
15k
10
9
8
7
6
+
C34
0.1u
220u 4V
C35
0.1u
220u 4V
C36
0.1u
C27
C28
+
+
R33
R34
10
10
R35
R37
56
R36
R38
56
16
16
Lch SPEAKER
+
C29
220u 4V
R39
10
Rch SPEAKER
+
C30
220u 4V
R40
10
Use of Circuit Diagram
Notes:
1. The thick line ( ) is the B (+) power supply.
2. This circuit diagram is the r
improvement.
3. Values printed in red show the voltar
with the power switch ON.
4. Parts marked with (in the shaded ar
designated parts to ensure safety.
2-2 (No.XC009)
eference diagram. Circuits and constans are subject to change without notice for
es of each section measured by the tester (internal resistance 20 kOhms/V),
!
ea ) are safety parts.When replacing these, be sure to use only the
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