Sharp 64LHP5000 Service Manual page 59

Pin No. Pin Name
40 AUX SW
41 COMP3 MUTE
42 COMP2 MUTE
43 COMP1 MUTE
44 H OSC SW
45 LIN WHITE
46 NC
47 NC
48 NC
49 CC1-BLK
50 CC1-B
51 CC1-G
52 CC1-R
Ë PD5497B9 (TUNER µ-COM: IC2203)
CCD µ-COM
» Pin Function
Pin No. Pin Name
1 DH BLK
2 V BLK2
3 OPTION
4 NC
5 NC
6 NC
7 NC
8 NC
9 NC
10 NC
11 NC
12 NC
13 NC
14 NC
15 NC
16 NC
17 NC
18 AVCC
19 HLF
20 RVCO
21 VHOLD
22 CC Y2
23 CNVSS
24 XIN
25 XOUT
I/O
Switches between external double speed component input signal,
O DTV 1080 signal, and double speed component signal double
speed signal processed inside the unit
O Sub-screen component signal (15K) mute output
O Main-screen component signal (15K) mute output
O Double speed component signal (31.5K/33.75K) mute output
O Horizontal free-running frequency switching signal
I Unused
– Unused
– Unused
– Unused
O BLK output for main-screen CCD
O B output for main-screen CCD
O G output for main-screen CCD
O R output for main-screen CCD
I/O
I Sync signal double speed HBLK input for CCD display
I Sync signal VBLK input for CCD display
I Voltage input for switching software destination
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
I Unused
– Connected to analog power supply, +5V
– Connected to external part for CCD timing signal generation circuit
– Connected to external part for CCD timing signal generation circuit
– Connected to external part for CCD reference voltage generation circuit
I Video signal input for detection of sub-screen CCD, V CHIP
– Connected to VSS
– Input pin of main lock generation circuit
– Output pin of main lock generation circuit
Function
Function
59
64LHP5000
PROJECTOR UNIT
ACT
External double speed: H
Others: L
Mute: H
Mute: H
Mute: H
31 K: H, 33 K: L
Sync with CUT B
Unused
Unused
Unused
Positive polarity
Positive polarity
Positive polarity
Positive polarity
ACT
Positive polarity
Positive polarity
P: L, S: H *1
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Positive polarity
–
–
–