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36
HCD-GX40
IC101 LA1845 (MAIN BOARD)
IC781 MN1469XH (CD BOARD)
IC301 BD3873FS (MAIN BOARD)
LEVEL SHIFT
Vcc
1
2
3
4
5
6
7
9
8
20
19
18
17
16
15
14
11
10
21
22
23
24
25
27
26
SUBGND
CH4 OUT-B
CH4 OUT-A
CH4 IN-A
CH4 IN-B
BIAS-IN
Vcc
Vcc
CH3 IN-A
CH3 IN-B
CH3 OUT-B
CH3 OUT-A
OP IN -
OP IN +
OP OUT
MUTE
VREG-OUT
CH2 OUT-A
SUBGND
CH2 OUT-B
CH2 IN-A
CH2 IN-B
GND
CH1 OUT-A
CH1 OUT-B
CH1 IN-A
CH1 IN-B
-
+
TR-B
12
13
28
LEVEL SHIFT
-
+
-
+
-
+
-
+
-
+
-
+
Vcc
LEVEL SHIFT
LEVEL SHIFT
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
S-CURVE
AM/FM
IF
BUFF
COMP
TUNING
DRIVE
AM
OSC
AM
MIX
AM
PF.AMP
AGC
AM
IF
AM
DET
BUFF
LEVEL
DET
FM
IF
FM
DET
REG
GND
DEOODER
ANTI-BIRDIE
P-DET
ø
PILOT
CANCEL
STEREO
SW
VCO
304kHz
FF
38k
FF
19k
π
2
FF
19k
0
PILOT
DET
V
CC
ALC
AFC
AM-RF IN
AM-AGC
S.METER
AM DET-OUT
DECODER OUT
PLL-IN
DECODER IN
PILOT CANCEL
R-OUT
L-OUT
AM-OSC
OSC AM.SD
REG
AM IF-IN
GND
TUNED
STEREO
FM-DET
VCC
IF-REQ MUTE
AM/FM
VCO STOP
AM MIX-OUT
FM-IN
24
CAP
23
TNF1
22
TNF2
21
BNF2
20
BOUT2
19
BNF1
18
BOUT1
17
OUT1
16
OUT2
15
VCC
14
SI
13
SC
1
VIN1
2
VIN2
3
SEL2
4
SEL1
5
A1
6
A2
7
B1
8
B2
9
C1
10
C2
11
FIL
TER
12
GND
0dB-
-87dB
-
Vcc/2
Vcc/2
Surround
50k
50k
50k
50k
50k
50k
Vcc/2
Vcc/2
Vcc/2
Treble1
fc=8kHz
Treble2
fc=8kHz
Bass2
fo=80Hz
Bass1
fo=80Hz
Logic
Summary of Contents for HCD-GX40 - Electronic Component System
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