Sharp LC-13SH1U, Руководство по обслуживанию

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11-1
L0170PIN
IC PIN FUNCTION DESCRIPTIONS
IC11 (VIF/SIF)
IC502 (VOLTAGE REGULATOR)
IC503/IC504 (VOLTAGE REGULATOR)
IC505 (PST600L)
IC506 (NJM78L09A)
IC601 (PHOTOCOUPLER )
IC603/IC604 (VOLTAGE REGULATOR)
IC781 [TC4053BF(EL.N)]
Pin
No. Signal
Name
Function
1 Video out Video Output
2 Video in Video det Input
3 Vcc Power Supply
4 Video det out Video det Output
5 APC APC Filter
6 VCO_F/B VCO Feedback
7 SIF in SIF Input
8 SIF out SIF Output
9 Audio out Audio Output
10
Audio Level
Cont.
AF Bypass
11 Ref Signal Standard Frequency Input
12 Logic Vcc Power Supply
13 AFT AFT Output
14 RF AGC RF AGC Output
15 GND GND
16 VIF in 1 IF Input
17 VIF in 2 IF Input
18 IF AGC1 IF AGC Filter
19 IF AGC2 IF AGC Filter
20 EQ AMP F/B Equalizer Feedback
Pin
No. Signal
Name
Function
1 Vin Input Power Supply
2 Vo Output Power Supply
3 GND GND
4 O Control ON/OFF
Pin
No. Signal
Name
Function
1 Vin Input Power Supply
2 Vo Output Power Supply
3 GND GND
4 Vadj Control Output Voltage
Pin
No.
Signal
Name
Function
1 Vcc Input Power Supply
2 GND GND
3 Vout Output Power Supply
Pin
No.
Signal
Name
Function
1 COMMON GND
2 INPUT Input Power Supply
3 OUTPUT Output Power Supply
Pin
No.
Signal
Name
Function
1 Anode Input Pulse
2 Cathode Input Monitor
3 Emitter Input Power Supply
4 Collector Output Power Supply
Pin
No.
Signal
Name
Function
1 INPUT Input Power Supply
2 COMMON(GND) GND
3 OUTPUT Output Power Supply
Pin
No.
Signal
Name
Function
1 1Y Video Signal Input
2 0Y Video Signal Input
3 1Z Video Signal Input
4 Z-COM Video Signal Output
5 0Z Video Signal Input
6 INH GND
7 Vee GND
8 Vss GND
9 C Switching Control