NOTE: For placing a purchase order of the parts,
be sure to use the part number listed in the parts list. Do not use the part number on this diagram.
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES, REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
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| VIDEO SIGNAL(MAIN/SUB) | AUDIO SIGNAL |
U7101 | ENG36712GF | ENG36708GY |
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(UHF/VHF SUB TUNER) |
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| SUB_TUNER |
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| SIF OUT |
| SD OUT |
| AUDIO OUT |
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| VIDEO OUT |
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| GND | GND | GND | GND | 5V | [AGC] | [BT] | NC | 5V | CE | CLOCK | LOCK | 33V | IF OUT | IF IN |
| AFC | NC |
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1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 |
| 20 | 21 | 22 | 23 | 24 | 25 |
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| C7101 |
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| R7107 | 1K |
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| 2200P | C7102 |
| C7103 |
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| C7109 |
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| 2200P |
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| PT |
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| 1000/6.3V |
| C7104 | PT |
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| Q7101 |
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| C7105 | PT |
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| R7106 |
| 2SB1218A |
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| L7101 | 10U |
| C7106 | PT |
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| 270 | (BUFFER) |
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| C7107 | 1000P[KB] |
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| C7108 | PT |
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| 1K | 1K | 1K | 1K |
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| 1K |
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| R7101 | R7102 | R7103 | R7104 |
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| R7105 |
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| P7003 | TO MAIN C.B.A. | |
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| P6003 | ||
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| 1 | DTS_REQ | |
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| 2 | DTS_BUSY | |
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| 3 | MAIN_SUB_SCK | |
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| 4 | MAIN_SUB_SMDATA | |
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| 5 | MAIN_SUB_MSDATA | |
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| 6 | DTS_CS | |
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| 7 | SYS_RST_L_5V | |
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| 8 | I2C_SCK_5V | |
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| 9 | I2C_DATA_5V | |
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| 10 | 5V |
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| 11 | 33V |
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| 12 | GND | |
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| 13 | GND | |
L6501 | WA5 | PT |
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| R6501 |
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| R6502 | 22K |
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| R6503 | PT |
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| L |
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| R6504 | PT |
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| ON H/OFF | TP6501 |
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| R6505 | PT |
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| PT |
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| R6506 | PT |
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| R6507 | 22K |
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| AFT_ |
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| C6502 | 100P |
| C6505 | 100P |
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| R6508 | PT |
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| PT |
| 1K |
| PT | PT |
| PT |
| PT | 100 |
| 100 |
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| 100 |
| 100 |
| 100 | 0 |
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| 100 | 1K |
| 1K |
| 1K |
| 100 | 100 |
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| R6509 |
| R6511 |
| R6513 | R6514 |
| R6515 |
| R6517 | R6518 |
| R6519 |
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| R6521 |
| R6522 |
| R6523 | R6524 |
| R6526 | R6528 |
| R6530 |
| R6532 |
| R6534 | R6536 |
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| 42 | 41 | 40 | 39 |
| 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 |
| 28 |
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| 25 | 24 | 23 | 22 |
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IC6501 |
| P40 | TNR1 DEFEAT H | P41 | TNR2 DEFEAT H | ON TIMER LED |
| P43 | PRO TIMER LED | R50 | REC LED | R51 P32 REPEAT LED POWER ON LED | R52 | DTS REQ | R53 | DTS BUSY | P00/INT4 GND | P01/SCK | SCK | P02/SO/SB0 | S DATA IN | P03/SI/SBI | S DATA OUT | P10/INT0 DTS CS | P11/INT1 |
| P12/INT2/TI1 TNR2 LOCK L | P13/TI0 | TNR1 LOCK L | P110/AN0 P20/PTO0 | TNR2 CS | P21/PTO1 | TNR1 CS | P22/PCL TNRSERIAL DATA | P23/BUZ | TNRSERIAL CLOCK |
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LINK TO I/O CHART |
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TUNER |
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MICROCONTROLLER |
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| VSS |
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| XT1 | XT2 | RESET | P42 X1 | 4.00MHz | X2 | P33 | STANBYLED | P31 | LAMPLED | P30 | TEMPLED | AVSS | P63/KR3/AN7 | GND | P62/KR2/AN6 | NC | P61/KR1/AN5 | GND | P60/KR0/AN4 NC | P113/AN3 TNR1 SIGL H/OFFAFTONL | P112/AN2 TNR2 SIGL | P111/AN1 TNR1AFC | TNR2AFC | AVREF | IC | VDD |
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| 1 | 2 | 3 | 4 |
| 5 |
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| 9 | 10 | 11 | 12 | 13 | 14 |
| 15 |
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| 18 | 19 | 20 | 21 |
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| R6510 | PT |
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| X6501 |
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| R6525 1K |
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| 1K | 1K |
| R6531 1K |
| C6503 | 100/6.3V |
| C6504 |
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| EF0EC4004T4 |
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| R6527 | R6529 |
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| 0.1 |
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| or EF0GC4004T4 |
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| or VSXS0160 |
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| C6501 |
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| 0.01 |
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| R6516 |
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| 10K |
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| LINK TO VOLTAGE CHART | ||
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| R6512 |
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| PT |
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| Q6501 |
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| LSJB3095 |
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| TUNER SCHEMATIC DIAGRAM | ||
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70 |
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