Read Sharp SD-EX100H (serv.man13) Service Manual online
SD-EX100H
– 26 –
Figure 26 BLOCK DIAGRAM (2/5)
IN
NF–
OUT–
OUT+
QA102
QA101
RESET
NF+
ICA100
IX0498AW
7TH ORDER
∆∑
MODULATION
CONVERSION LSI
OUTPUT OFFSET
ADJUSTMENT
ANALOG SIGNAL
INPUT
AMP.SECTION
- POWER
- POWER
+POWER
+POWER
LOAD
+5V
GND
REF
POWER -
LEVEL SHIFT
LOW PASS
FILTER
NF
L-IN
L-OUT
H-OUT
H-IN
L-IN
L-OUT
H-OUT
H-IN
B. S
B. S
+5V
+B
DEAD TIME
CONTROL
ICA110
TC74AC8T
QUAD 2 INPUT
AND GATE
SLICE LEVEL
SET VOLTAGE
ICA106/107
SLA5505M
SWITCHING AUDIO
POWER AMP.
ICD02
SYSTEM MICROCOMPUTER
Q465
RL460
+12V_M
SP_RLY
OFFSET
JK400
SPEAKER
TERMINAL
Q460~
Q463
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