Pin No.
Pin Name
I/O
Description
54
IC DESCRIPTION
–
O
I/O
I/O
I
I
O
I
I
–
I/O
I/O
I/O
I/O
I
I
I
–
O
I
O
I
–
I
I
I
I
I
I
–
I
I
I
I
–
–
I
O
I
O
O
I/O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
SVss
CTLref
CTL(+)
CTL(–)
CTL BIAS
CTL FB
CTL AMP (O)
CTL SMT(I)
CFG
SVcc
AFCpc
AFCosc
AFCLPF
C_SYNC
VLPF/VSYNC
Cvin2
Cvin1
OSD Vcc
CVout
OSD_VSS
4/2FscOUT
4/2FscIN
AVss
V.ENV
A.ENV
PG ADJ
AFT
KEY0
KEY1
N.C
A. LEVEL (L)
A. LEVEL (R)
SECAM DET 'H'
C+ DETECT
N.C
A/D Vcc
P.FAIL
PWR KEY
CSYNC_IN
A.MUTE 'H'
S2V.IN 'H'
SE/MESECAM 'H'
IC, HD6432197X
Servo Block GND
Svcc/2 output, and CTL amp reference voltage input
CTL(+) input/output
CTL(-) input/output
CTL amp bias voltage
CTL feedback SW control
CTL primary amp output
CTL Schmitt amp input
CFG input
Servo Block power supply (+5V)
For the connection of AFC “C” of sync separator
Generates AFC of sync separator
LPF of sync separator
C. SYNC input
Capacitor connection GND
Video signal input for NTSC captions slicer
Video signal input for OSD
OSD Block power supply (+5V)
Video signal output
OSD Block GND
For the connection of subcarrier oscillator
For the connection of subcarrier oscillator, S/W selectable
A/D Block GND
Video envelope input
HiFi envelope input
For PG delay adjustment
AFT +/- input for tuner
Key Return 0
Key Return 1
Not connected
Audio (L) input to drive level meter
Audio (R) input to drive level meter
SECAM discrimination signal input
C+ & 2nd pass 16:9 detector
Not connected
A/D Block power supply
Power failure input
Output to eliminate noise interfering with blue background signal
SYNC input to detect whether signal is present
Output to control audio muting
Output to switch the input selector
“H” is input from Y/C in SECAM/MESECAM mode.
