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HCD-EC709iP/EC909iP
31
IC601 BD3499FV-E2
– POWER Board –
IC151 NJM2368V (TE2)
1
A1
18 BCB1
17 BCA1
16 BCA2
20 SB2
19 OUT2
22 SB1
21 SR
24 VCC
23 OUT1
26 SDA
25 SCL
28 FIL
27 GND
15 BCB2
2
A2
3
B1
5
C1
6
C2
4
B2
11
VOL1
12
VOL2
13
TC2
14
TC1
7
D1
8
D2
9
SEL2
10
SEL1
INPUT
SELECTOR
TREBLE/
BASS
INVERTER
VOLUME
INPUT
GAIN
SURROUND
PC BUS
LOGIC
IC604 STK433-870-E
IC606 STK433-070-S-E
11
IN/1
10
MONIT
OR
13
ST
-BY
4
CH1+
12
NF/1
8
+PRE
9
GND/SUB
2
-VCC
1
-PRE
3
+VCC
5
CH1-
PRE DRIVE
CH1
FINAL DRIVE
CH1
14
NF/2
6
CH2+
15
IN/2
7
CH2-
PRE DRIVE
CH2
FINAL DRIVE
CH2
STANDBY
CIRCUIT
IN-
1
REF
8
CT
7
CS
6
V+
5
F.
B
2
GND
3
OUT
4
UNDERVOLTAGE
LOCKOUT
L. O
30
P
A
VOLTAGE
REFERENCE
+
ERROR
AMP
+
S. C. P
PWM
+
OSC
+
+
+