Hitachi C21-FL21F Service Manual page 9

Pin Signal
number name
25 IREF
26 VSC
27 AGCOUT
28 AUDEEM
29 DECSDEM
30 GND2
31 SNDPLL
32 REFO
33 HOUT
34 FBISO
35 AUDEXT
36 EHTO
37 PLLIF
38 IFOut
39 +8v
40 CVBSINT
41 GND1
42 CVBS/Yin
43 Cin
44 AUDOUT
45 INSSW2
46 R2/VIN
47 G2/YIN
48 B2/UIN
49 BCLIN
50 BLKIN
51 RO
52 GO
53 BO
54 VDDA
55 VPE
Configuration
I/O
mode
Input -
- -
Output -
Output -
- -
- -
- -
Output -
Output -
Input -
Input -
Input -
- -
Output -
- -
Input -
_ -
Input -
Input -
Output -
- -
- -
- -
- -
Input -
Input -
Output -
Output -
Output -
- -
- -
Reference current input
Vertical sawtooth capacitor
Tuner AGC output
Audio deemphasis
Decoupling sound demodulator
Ground 2 for TV processor
Narrow band PLL filter
Subcarrier reference output
Horizontal output
Flyback input
External audio input
EHT/overvoltage protection input
IF-PLL loop filter
IF video output / selected CVBS output
Main supply voltage TV-processor (+8V)
Internal CVBS input
Ground 1 for TV-processor
External CVBS/Y input
Chrominance input (SVHS)
Audio output
No connection
No connection
No connection
No connection
Beam current limiter input/V-guard input
Black current
Red OSD output
Green OSD output
Blue OSD output
Analog supply of Teletext decoder and digital supply
of TV-processor (3.3 V)
OTP Programming Voltage
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Function