IC Block Diagrams
-8-
V
DD
V
DD
V
DD
V
DD
MIRROR 2
V
DD
FLASH-
DIODE
1
x
V
OC
Inverting
Input
(3x)
1,2,3
9,8,7
3x
V
DD
6
5
4
Non-inverting
Input
Vip
MIRROR 1
V
bias
MIRROR 3
LEVEL-
SHIFTER 1
LEVEL-
SHIFTER 2
DIFFERENTIAL
STAGE
CURRENT
SOURCES
GND
THERMAL
PROTECTION
Note: One amplifier shown.
Cathode
Output
(3x)
V
i
IC701 < Triple Video Output Amplifier. > TDA6103Q
IC3701 < Audio Control & Surround > NJW1138MP
10
7
1
6
9
8
20
22
5
4
NJRC
ORIGINAL
SURROUND
&
SIMULATED
SURROUND
IIC BUS
INTERFACE
AGC
BIAS
TONE
VOL 1
TONE
27
VOL 1
VOL 2
VOL 2
19
18
17
14
13
16
15
21
30
23
24
25
26
12
11
IN 1a
AGC
SS-FIL
OUT 1a
IN 2a
TONE
Ha
TONE
La
OUT 2a
CVA
CVB
CTH
CTL
AUX0
AUX1
SCL
SDA
V+
GND
VREF
OUT 2b
SR-FIL
OUT 1b
IN 2b TONE
Hb
TONE
Lb
IN 1b