38
HPF1
LPF
AF
AMP
AF
AGC
OR
HPF
NOISE
AGC
PULSE
DETECT
1
PULSE
DETECT
2
GATE PULSE
GENERATOR
REFERENCE
CURRENT
CIRCUIT
SW2
SW1
REFERENCE
VOLTAGE
CIRCUIT
PHASE
CURRENT
LEVEL
DIFFERENCE
DETECTION
SW3
HIGH PASS AMP
(WAVEFORM COMP.)
SW4
REFERENCE
CURRENT CIRCUIT
(WAVEFORM COMP.)
SW5
BUFFER
AMP
11
10 9
12
14
13
15
1
2
4
5
3
6
7
8
GATE PULSE 2
GATE PULSE 1
VCC
GND
IFAGC
BIAS1
AF-IN
BIAS2
PHASE
HOLD
GND
HP
IF-IN
AFAGC
IFDET
VCC
VTH
GATE
WF
AFOUT
1
2
3
4
5
6
7
8
9
10
VCC
IN2
S-GND
IN1
NC
NC
OUT2
NC
P-GND
OUT1
CONTROL
CIRCUIT
MOTOR
DRIVE
CIRCUIT
BUFFER
BUFFER
+
–
+
–
6
5
7
8
VCC
OUT2
VM2
IN2
OUT1
VM1
IN1
GND
1
2
3
4
4.7K
4.7K
4.7K
4.7K
4.7K
4.7K
2.2K
2.2K
+
–
+
–
+
–
+
–
+
–
+
–
+
–
1
2
3
4
5
6
7
8
9 10
20
19
18
17
16
15
14
13
12
11
21
22
23
26
27
28
29
30
31
32
33
34
37
38
39
40
24
25
NFI
REV-IN(L)
VREF-LCH
FWD-IN(L)
35
36
GND-VCT
VCT
FWD-IN(R)
VREF-RCH
REV-IN(R)
NFI
EQ-OUT
(MTL)
EQ-OUT
VCC
TAPE-IN(L)
AUXIN1
AMS-LPF
LCH-OUT
TCH1
N.C
G2FB
(PLAY)
G1FB
(FF/REW)
AMS-TC
AMS GND
AMS-OUT
N.C
NR-ON
MUTE/TAPE
MTL/NML
AMS/PLAY
FWD/REV
AMS-SW
N.C
TCH2
RCH-OUT
DIREF
AUXIN2
TAPE-IN(R)
EQ-OUT
(MTL)
EQ-OUT
GND
F2
120
µ
/70
µ
X1
X1
VCT
+
F1
120
µ
/70
µ
NR
F3
LPF
VCC
DETECT
MS ON/
OFF
FWD/RVS
NR MODE
TAPE EQ
TAPE/AUX
NR BIAS
NR
MS
MODE
T2
T1
IC401 CXA2510AQ-T4
IC502 LB1930M-TLM
IC50 HA12181FP-EL
IC100 M5280FP-TP1
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
