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10 Block Diagram
10.1. DIGITAL AMPLIFIER/LED DRIVE/LED BLOCK DIAGRAM
HIGH PASS FILTER & PRE-AMP
6
7
5
2
4
3
8
1
+VCC
-VCC
IC3001
C0ABBB000228
DUAL OP-AMP
IC3002
C0ABBB000228
DUAL OP-AMP
6
7
5
2
4
3
8
1
+VCC
-VCC
-18V
-18V
+18V
+18V
Q1009
Q1010
Q2002
Q2010
Q2011
Q1011
Q1003
REGULATORS
+18V
-18V
PCONT
FROM RX
FROM SMPS
LCH I/P
LCH
RCH I/P
FILTER
DEMODULATION FILTER
DC DETECT
L1000
Q1008
Q1007,
LED DRIVE CIRCUIT
Q1006
Q1004
Q1005
L1001
L1002
SR_SPKR
SL_SPKR
FILTER
FILTER
JK1000
SURROUND LEFT
SURROUND RIGHT
FROM RX
FROM LED
DRIVE
DRIVE
1
H4000
LED DRIVE P.C.B
LED P.C.B
BI COLOR LED CIRCUIT
CN1003
MUTE
SWITCH
BIAS SWITCH
+30V
+30V
-30V
+5V
Q4000
S1001
AUTO OPERATION
ON/OFF
S1001
ID SET
S1002
AUDIO CONTROL SWITCH
Q4001
LINK(GREEN)
POWER(RED)
-30V
SH-FX67E (SE-FX67E) D-AMP/LED DRIVE/LED BLOCK DIAGRAM
3
H4000
H1001
5
H4000
H1001
PCONT
SWITCH
FROM RX
CIRCUIT
CIRCUIT
SPEAKERS
CN1
7
CN1000
CN1
9
CN1000
CN1
19
CN1000
CN1
20
CN1000
CN1
12
CN1000
CN1
2
CN1000
CN1
4
CN1000
RCH
+5V
+5V
FROM
SMPS
SMPS
+5V
CN1
10
CN1000
H4000
5
CN1003
PWR_SW
1
CN4000
H4003
3
CN4000
D4001
H4003
21
15
10
9
VSSP1
VSSP2
OUT2
BOOT2
OUT1
BOOT1
VDDP1
VDDP2
11
13
16
14
2
1
23
22
OSC
VssA
VssA(-30V)
VssP
MODE
IN2+
VSSD
IC5200
C1BA00000487
D-AMP IC
(CLASS-D AMP)
PROT
STAB1
VDDA1
VDDA2
IN2-
VSSA2
VSSA1
17
4
20
IN1 -
IN1+
INPUT
STAGE
INPUT
STAGE
MUTE
MUTE
PWM
MODULATOR
PWM
MODULATOR
MANAGER
OSCILLATOR
MODE
STAB1
TEMPERATURE SENSOR
CURRENT PROTECTION
VOLTAGE PROTECTION
CONTROL
AND
HANDSHAKE
CONTROL
AND
HANDSHAKE
DRIVER
HIGH
VSSP1
VDDP2
DRIVER
LOW
DRIVER
HIGH
DRIVER
LOW
18
6
VddA(+30V)
VddP
SIGNAL LINES
: MAIN SIGNAL LINE
SH-FX67E / SE-FX67E / SH-FX67TE
23
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