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There are currently no product reviews.
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I found this manual to be complete in every detail. Besides the schematic it has a complete set of alignment instructions which are easy to understand. It also includes a complete parts list as well as an explanation of how the power supply and safety shutdown circuits operate. Even a schematic of the tuner is included.
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The product was good and just what I needed, however I had moderate difficulty with the down load because the sight would not recognize my pass word. I was finally given a direct link to the manual and that worked.
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Very quick and easy website to use and fast download of manual, quality of manual is excellent and will be pleased to use this service again in the future, thanks so much!
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It is an very good and clear scanned service manual.
very recommended.
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Easy to order the manual. Good quality and fast delivery.
IC, TMP87PH47U
Pin No. 1 2 3 4 5 Pin Name KY OUT 4 KY OUT 3 KY OUT 2 KY OUT 1 FREQUENCY 1 VOL 1 VOL 1 6 7 8 9 10 11 12 13 14 15 16 17 18 19 VOL 0 KY IN 6 KY IN 5 KY IN 4 KY IN 3 KY IN 2 KY IN 1 TEST RESET XIN XOUT VSS VREF LCD RS COMBO CLK LCD RW 20 COMBO DATA EP DATA 21 22 23 24 25 26 27 28 BAT DET EP CLK LCD DB 4 LCD DB 5 LCD DB 6 LCD DB 7 COMBO STB TX DATA I O I/O I/O I/O I/O O O I/O O I I I I I I I I I O � I O VOL 0 I/O O O O O I/O Keypad column output 4 Keypad column output 3 Keypad column output 2 Keypad column output 1 1 = 25CH, 0 = 10CH 4 (Max.) 1 1 3 1 0 2 0 1 1 (Min.) 0 0 Description
Keypad column input 6 Keypad column input 5 Keypad column input 4 Keypad column input 3 Keypad column input 2 Keypad column input 1 Tied to low Normaly High, low to reset MCU Resonator in (4.0 MHz) Resonator out (4.0 MHz) Ground A/D Reference voltage input (3.0V) LCD Control (Resister select Combo chip CLOCK LCD Control (0 = Write, 1 = Read) Combo chip DATA EEPROM DATA Battery voltage input EEPROM CLOCK LCD DATA 4 LCD DATA 5 LCD DATA 6 LCD DATA 7 Combo chip STB Transmitted DATA Received Signal Strength Indicator 0 = Instruction resister, 1 = Data resister)
29
SIG OUT
I
0 = Carrier present, 1 = Carrier absent 0 = RX unlock, 1 = RX lock 0 = TX unlock, 1 = TX lock
30 31 32 33 34
CHG DET RX DATA TX PWR BPTONE RX PWR
I I O O O
Charger detect 1 = Charging, 0 = Not charging Received DATA TX Power control 0 = ON, 1 = OFF Buzzer signal RX Power control 0 = ON, 1 = OFF
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