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YM-11P BOARD IC103 MC141628FUEB (Y/C SEPARATOR A/D, D/A CONVERTER)
Pin No.
Pin Name
I/O
Function
1
VCOVDD
—
Power supply terminal (+5V) (for VCO)
2
BIAS
I
Bias current input terminal (for VCO)
3
OSCV
I
VCO control voltage input terminal Signal input from the PCOUT (pin
#¡
)
4
DAGND
—
Ground terminal (for D/A converter)
5
Y OUT
O
Brightness signal output terminal
6
DAVCC
—
Power supply terminal (+5V) (for D/A converter)
7
C OUT
O
Chroma signal output terminal
8
DAREF
—
Reference voltage terminal (for D/A converter)
9
IBIAS
—
Current control terminal of bias circuit for D/A, A/D converters
10
TEST
I
Setting terminal for the test mode (Normally: fixed at “L”)
11
PAL/NTSC
I
Setting terminal for the video mode (NTSC/PAL)
“L”: PAL mode, “H”: NTSC mode (fixed at “L” in this set)
12
BYPASS
I
Setting terminal for the bypass selection (Normally: fixed at “L”)
13
PLLSEL
I
For setting whether clock is entered by color subcarrier input (built-in PLL operation) or by
external clock input “L”: built-in PLL operation (fixed at “L” in this set)
14
ADGND
—
Ground terminal (for A/D converter)
15
ADVDD
—
Power supply terminal (+5V) (for A/D converter)
16
CLC
I
For setting time constant for internal clamp circuit (Normally: fixed at “H”)
17
CLOUT
O
Clamp voltage output terminal Not used (open)
18
V IN
I
Video signal input to the internal A/D converter
19
RBT
—
Bottom reference voltage for A/D converter
Internal bottom reference voltage is supplied
20
RTP
—
Top reference voltage for A/D converter
Internal top reference voltage is supplied
21 to 28
TB7 to TB0
I/O
In/out terminal for the digital interface Not used (fixed at “L”)
29
CLK IN
I
Color subcarrier input from the CXA1950Q (IC201)
30
DVDD
—
Power supply terminal (+5V) (digital system)
31
PCOUT
O
Phase comparator output terminal
32
DGND
—
Ground terminal (digital system)
Summary of Contents for PLM-A55E
Page 1: ...SERVICE MANUAL GLASSTRON AEP Model UK Model SPECIFICATIONS PLM A55E 9 928 101 31 ...
Page 3: ... 3 SECTION 1 GENERAL This section is extracted from instruction manual ...
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