Aiwa TV-AN2110 NH Service Manual page 19

Pin No. Pin Name
35 S OUT
36 QSUR
37 LED
38 WP
39 FAST BLK
40 B
41 G
42 R
IC, TA1268N
Pin No. Pin Name
1 NC
2 AUDIO OUT
3 RF AGC
4 SIF TANK
5 AGC FILT
6 PIF GND
7 ~ 8 PIF IN
9 PIF VCC
10 LOOP FILT
11 APC FILT
12 VCXO
13 GND
14 FAST BLANKING
15 R IN
16 G IN
17 B IN
18 D VCC
19 R OUT
20 G OUT
21 B OUT
22 V OUT
23 NFB
24 V RAMP
25 V SEPA FILT
26 H VCC
I/O
O Not used.
O Surround ON "H", OFF "L".
O LED ON "L", OFF "H".
2
O E PROM write protect.
O OSD blanking output.
O OSD blue output.
O OSD green output.
O OSD red output.
I/O
– Not connected.
Sound output. The maximum flew out current is 3.6mA.
O
So, the minimum load resistor is 1kΩ. (Not used)
O RF AGC output.
– Tank coil connection for SIF detection circuit.
– PIF 2nd AGC filter.
– GND for PIF circuit.
I IF input. The typical input value is 90dBµV.
– VCC for PIF circuit.
– PIF PLL loop filter.
– APC filter of f sc oscillation.
I X'tal of 3.58MHz VCXO.
– V/C/D GND.
I Fast blanking of RGB input.
I R signal input.
I G signal input.
I B signal input.
– VCC for digital circuit.
O R primary color signal output.
O G primary color signal output.
O B primary color signal output.
O Vertical pulse output.
I NFB input.
O Vertical ramp output.
– Vertical sync. separation filter.
– VCC for horizontal circuit.
23
Description
Description