Sanyo CE27LD6-B - IC BLOCK DIAGRAMS; IC001 Audio Output; IC1205 Video Switch

-9-
N2WKD/YKD
IC BLOCK DIAGRAMS
IC001 LA4919N-E <Audio Output>
HP IN1
HP IN2
HP D.C
HP Standby
AMP Standby
D.C
DDL
ON TIME
IN2
PRE GND
PRE VCC
IN-VREF
IN1
POWER GND
HP OUT1
HP OUT2
POWER GND
OUT2-
OUT2+
SW GND
SW B
SW E
SW OUT
13
14
13
12
11
10
9
8
7
6
5
4
3
2
1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Vcc
Voltage
Regulator
VG=6dB
VG=6dB
Ripple filter
H/P Standby SW
AMP Standby SW
Ripple filter
Muting circuit
used at power on
Non linear
amplifier
A
B
Output
amplifier
Output
amplifier
VCC
OUT1+
OUT1-
Non linear
amplifier
C
D
Output
amplifier
Output
amplifier
Output amplifier Stage
REF
amplifier
Input
amplifier
Switching
Drive
Power TR Stage
Head Phones Stage
Input amplifier Stage
Switching Regulator Stage
H. L. S
*H. L. S
Higher
Level signal
Selector
Switching Regulator BLOCK
AB
C
D
Input
amplifier
HEADPHONES BLOCK
IC1205 BA7603F