62
BD-V1100, BD-V1110
TDA9852H [MAIN ASSY (9/12) : IC1801]
• BTSC Decoder IC
•
Block Diagram
Stereo Decoder
Input
Level
Adjust
STEREO
/SAP
Switch
INPUT
Select
Automatic
Volume and
Level Control
Effects
OUT
RIGHT
Zero
Crossing
OUT
LEFT
Supply
Logic
I
2
C
Transceiver
VOLUME
LEFT
LOUDNESS
Control
VOLUME
RIGHT
LOUDNESS
Control
Dematrix
+
LINEOUT
Select
SAP
Demodulator
DBX
COMP
C
P1
C
P2
C
PH
C
ADJ
C
ER
C
MO
C
SS
LOR
LIR
SOR
AV
R
C
AV
C
PS2
C
PS1
EOR
VIR
LDR
N.C
.
LDL
VIL
EOL
SCL
DGND
SD
A
A
GND
V
CAP
V
CC
AV
L
SOL
LIL
LOL
C
TW
C
TS
C
W
C
S
VEI
VEO
C
NR
C
M
C
DEC
OUTR
OUTL
STEREO
Adjust
22
20
23
24
25
26
12
13
14
10 11
9
8
7
6
5
2
4
27
28
29
32
36
37
30
31
3
19
15
17 16 18
44
33
34
35
Vref
43
42
41
39
38
40
No.
Pin Name
Function
No.
Pin Name
Function
1
Vref
Reference voltage 0.5Vcc
23
C
P2
Capacitor for pilot detector
2
LIL
Input line control, left channel
24
C
PH
Capacitor for phase detector
3
AVL
Input automatic volume control, left channel
25
C
ADJ
Capacitor for filter adjustment
4
SOL
Output selector, left channel
26
CER
Ceramic resonator
5
LOL
Output line control, left channel
27
C
MO
Capacitor DC-decoupling mono
6
C
TW
Capacitor timing wideband for dbx
28
C
SS
Capacitor DC-decoupling stereo/SAP
7
C
TS
Capacitor timing spectral for dbx
29
LOR
Output line control, right channel
8
C
W
Capacitor wideband for dbx
30
SOR
Output selector, right channel
9
C
S
Capacitor spectral for dbx
31
AVR
Input automatic volume control, right channel
10
VEO
Variable emphasis output for dbx
32
LIR
Input line control, right channel
11
VEI
Variable emphasis input for dbx
33
C
PS2
Capacitor 2 pseudo function
12
C
NR
Capacitor noise reduction for dbx
34
C
PS1
Capacitor 1 pseudo function
13
C
M
Capacitor mute for SAP
35
EOR
Output effects, right channel
14
C
DEC
Capacitor DC-decoupling for SAP
36
VIR
Input volume, right channel
15
AGND
Analog ground
37
LDR
Input loudness, right channel
16
DGND
Digital ground
38
OUTR
Output, right channel
17
SDA
Serial data input/output (I
2
C-bus)
39
n.c.
Not connected
18
SCL
Serial clock input (I
2
C-bus)
40
OUTL
Output, left channel
19
V
CC
Supply voltage
41
LDL
Input loudness, left channel
20
COMP
Composite input signal
42
VIL
Input volume, left channel
21
V
CAP
Capacitor for electronic filtering of supply
43
EOL
Output effects, left channel
22
C
P1
Capacitor for pilot detector
44
C
AV
Automatic volume control capacitor
1
21
•
Pin Function