Ic Pin Function Descriptions - Sharp DV-NC150U Service Manual

IC PIN FUNCTION DESCRIPTIONS

IC301(VIDEO/AUDIO/SIGNAL PROCESS/
HEAD AMP IC)
Pin Signal
No. Name
1 AUDIO VREF Audio Standard Voltage
AUDIO LINE AMP
2 Line Amp. PB Input
PB IN
AUDIO EQ AMP
3 PB EQ Amp. Output
OUT
4 AUDIO EQ SW2 Switching PB EQ Gain
AUDIO EQ AMP
5 PB EQ Feed Back Input
NFB
AUDIO EQ AMP
6 PB EQ Amp. Input
IN
7 AUDIO EQ SW1 Switching R/P EQ
AUDIO AUTO
8 Auto Bias Input
BIAS IN
AUDIO REC AMP
9 REC Amp. Output
OUT
10 AUDIO LINE AMP
Line Output
OUT
AUDIO AUTO
11 Auto Bias Control Output
BIAS OUT
PHASE EQ F -
0
Phase EQ F
12
ADJ
PHASE EQ Q-
13 Phase EQ Q-CTL
ADJ
14 REC-EQ/PB-HA
PB-FM Monitor
MONITOR
15 FM AGC FILTER FM AGC Filter
16 Y-GND Y-GND
MAIN EMPHASIS
Main Emphasis Output/PB EQ
17 OUTPUT/PB EQ
Monitor
MONITOR
M-EMPHA
18 Main Empha Filter
FILTER
19 S-DET S-DET Output
MAIN DE
20 EMPHASIS Main DEEMPHA Filter
FILTER
MAIN DE
21 EMPHASIS OUT Main DEEMPHA Filter
22 CLAMP IN Main Clamp Input
23 Y-VCC Y-VCC
24 V SYNC OUT/QV
QV/QH Insert
QH INS
25 C.SYNC OUT C SYNC Output
26 VIDEO OUT Video-Out
27 AGC AG Filter
28 VIDEO IN3 Video Input
Main COMVCarrier Leak
29 BAL TC1
Balancer
Function
Control
0
1-16-1
Pin Signal
No. Name
30 VIDEO IN2 Video Input
31 VIDEO VREG Regulator Terminal
32 VIDEO IN1 Video Input
33 VCP VC Filter
34 VCA IN VCA Input
35 VCA FILTER VC Filter
36 CCD DRIVE CCD Drive
37 CCD IN CCD Input
38 VSS CCD-VSS
39 DELAY OUT Delay Output
40 VSS CCD-VSS
41 CLOCK IN Clock In
42 VCO FILTER PLL Filter
43 4FSC OUT 4FSC Out
44 CCD-VDD CCD-VDD
45 AL+5V YCA Power Supply
PB CHROMA
OUT/REC PB Chroma Output/REC
46
CHROMA Chroma Monitor Input
MONITOR
47 SLD FILTER SLD Filter
48 AFC/APC FILTER REC-AFC/PB-APC Filter
49 XO IN XO Input
50 XO OUT XO Output
51 REC APC FILTER REC-APC Filter
52 C-VCC C-VCC
SERIAL CLOCK
53 Serial Clock Input
IN
54 SERIAL DATA IN Serial Data Input
SERIAL TIP
55 Serial Tip Select Input
SELECT IN
56 C-GND C-GND
57 C-ROT/RF-SW CROT/RF SW Input
A-MUTE/
58 AD Mute Control/HA SW Input
H-A-SW
59 ENV-DET ENV DET Output
60 H-A-COMP COMP Output
61 KILL DET APC Kil Filter
62 HEAD AMP GND Head Amp. GND
63 CHROMA DET Chroma Detection
64 ACC DET ACC Detection
65 PBEPH+ PB EP H+ Input
66 EP COMMON EP Head Common Terminal
67 PBEPL+ PB EP L+ Input
68 VCC Head Amp. VCC
Function
H9641PIN