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PU-2471A

PU-2472B, C

- 3 -

EXPLANATION OF IC

052-1170-13

uPD784216BYGC-110-8EU

CD & Radio System Controller

1.Terminal Description

1: KI 1

: IN : Key scan signal input.

2: KI 2

: IN : Key scan signal input.

3: KI 3

: IN : Key scan signal input.

4: KI 4

: IN : Key scan signal input.

5: KI 5

: IN : Key scan signal input.

6: NU

: - : Not in use.

7: NU

: - : Not in use.

8: NU

: - : Not in use.

9: VDD

: - : Positive supply voltage.

pin 10: X 2

: - : Crystal connection.

pin 11: X 1

: - : Crystal connection.

pin 12: VSS

: - : Negative supply voltage.

pin 13: NU

: - : Not in use.

pin 14: NU

: - : Not in use.

pin 15: RESET

: IN : Reset signal input.

pin 16: SBSY

: IN : Sub code sync input.

pin 17: VAN INT

: IN : The interrupt signal input from the VAN

Bus.

pin 18: KI 0

: IN : Key scan signal input.

pin 19: RDS CLK

: IN : RDS clock pulse input.

pin 20: RDS DATA

: IN : RDS serial data input.

pin 21: BU DET

: IN : Backup detection signal input.

pin 22: +VAN DET

: IN : +VAN ON signal input.

pin 23: A VDD

: - : Positive supply voltage for the Analog sec-

tion.

pin 24: A Vref

: IN : Reference voltage for ADC.

pin 25: NU

: - : Not in use.

pin 26: FM S METER

: IN : The input terminal of Internal A/D convert-

er to monitor the radio field strength for
FM.

pin 27: DIAG PAHAN

: IN : Phantom circuit status input.

pin 28: NU

: - : Not in use.

pin 29: IF BAND

: IN : IF band width.

pin 30: NU

: - : Not in use.

pin 31: NU

: - : Not in use.

pin 32: MUTE DET

: IN : The input terminal of the internal ADC for

sensing the backup voltage.

pin 33: A VSS

: - : Analog ground.

pin 34: NU

: - : Not in use.

pin 35: NU

: - : Not in use.

pin 36: A Vref

: IN : Reference voltage for ADC.

pin 37: MISO

: IN : The serial data input from the VAN control

IC.

pin 38: MISIO

: O : The serial data output to the VAN control

IC.

pin 39: SCLK

: O : The clock pulse output to the VAN control

IC.

pin 40: NU

: - : Not in use.

pin 41: NU

: - : Not in use.

pin 42: A MUTE

: O : The audio mute signal output.

pin 43: S SO

: O : Slave chip select signal output.

pin 44: BEEP

: O : Beep out.

pin 45: SDAT

: O : The serial data output to the tuner pack.

pin 46: VAN RESET

: O : The reset pulse output to VAN control IC.

pin 47: S CL 1

: O : The clock pulse output for the tuner pack.

pin 48: 12V SW

: O : ON signal output to the external power

supply.

pin 49: 5V REM

: O : ON signal output to the 5V power supply.

pin 50: 14V REM

: O : ON signal output to the 14V power supply.

pin 51: +VAN ON

: O : +VAN ON signal output.

pin 52: VAN WU

: O : The Wake up signal output to VAN-BUS-

IC.

pin 53: TEL MUTE

: IN : Telephone mute command input.

pin 54: CD 8V ON

: O : ON signal output to the CD 8V power sup-

ply.

pin 55: NU

: - : Not in use.

pin 56: S DA CO

: O : The serial data output to the CASP IC.

pin 57: S CLK CO

: O : The clock pulse output to the CASP IC.

pin 58: NU

: - : Not in use.

pin 59: NU

: - : Not in use.

pin 60: NU

: - : Not in use.

pin 61: NU

: - : Not in use.

pin 62: NU

: - : Not in use.

pin 63: NU

: - : Not in use.

pin 64: NU

: - : Not in use.

pin 65: NU

: - : Not in use.

pin 66: NU

: - : Not in use.

pin 67: NU

: - : Not in use.

pin 68: NU

: - : Not in use.

pin 69: NU

: - : Not in use.

pin 70: NU

: - : Not in use.

pin 71: NU

: - : Not in use.

pin 72: VSS

: - : Negative supply voltage.

pin 73: NU

: - : Not in use.

pin 74: CD CHO

: O : CD check signal output.

pin 75: CD DET

: IN : CD mechanism is connected = "H".

pin 76: No Exp

: - : No explanation.

pin 77: No Exp

: - : No explanation.

pin 78: No Exp

: - : No explanation.

pin 79: No Exp

: - : No explanation.

pin 80: No Exp

: - : No explanation.

pin 81: VDD

: - : Positive supply voltage.

pin 82: DIMMER CNT

: O : Dimmer control signal output.

pin 83: No Exp

: - : No explanation.

pin 84: No Exp

: - : No explanation.

pin 85: No Exp

: - : No explanation.

pin 86: No Exp

: - : No explanation.

pin 87: No Exp

: - : No explanation.

pin 88: No Exp

: - : No explanation.

pin 89: No Exp

: - : No explanation.

pin 90: No Exp

: - : No explanation.

pin 91: No Exp

: - : No explanation.

pin 92: VOLAI

: IN : Volume control pulse input from the rotary

encoder.

pin 93: VOLBI

: IN : Volume control pulse input from the rotary

encoder.

pin 94: VPP

: - : Connect to ground.

pin 95: CD 5V ON

: O : Power supply control signal output for the

5V power supply of the CD mechanism.

pin 96: AM ON

: O : AM ON flag output.

pin 97: KO 0

: O : Key scan output terminal.

pin 98: KO 1

: O : Key scan output terminal.

pin 99: KO 2

: O : Key scan output terminal.

pin100: KO 3

: O : Key scan output terminal.

Содержание PU-2471A-G

Страница 1: ... 108 0MHz Intermediate frequency 10 7MHz Quieting sensitivity Less than 13dBu at 30dB S N Separation More than 20dB Auto tuning stop sensitivity 21 8 8dBu DX 47 10 10dBu LO CD player section Separation More than 65dB 1kHz S N ratio More than 80dB 1kHz Distortion Less than 1 0 1kHz General Audio Power output More than 10W x 4 Power supply voltage DC13 5V Negative ground Current consumption Less tha...

Страница 2: ...s are made with the bat tery connected a short circuit and or fire may occur If ex tensive damage is caused due to negligence of repair the legal responsibility shall be with the repairing company 5 Cautions regarding chips Do not reuse removed chips even when no abnormality is observed in their appearance Always replace them with new ones The chip parts include resistors capacitors diodes transis...

Страница 3: ...ut to the tuner pack pin 46 VAN RESET O The reset pulse output to VAN control IC pin 47 S CL 1 O The clock pulse output for the tuner pack pin 48 12V SW O ON signal output to the external power supply pin 49 5V REM O ON signal output to the 5V power supply pin 50 14V REM O ON signal output to the 14V power supply pin 51 VAN ON O VAN ON signal output pin 52 VAN WU O The Wake up signal output to VAN...

Страница 4: ... 1 16 051 2013 00 IC TDA7385 1 17 331 2989 00 ANT HOLDER 1 18 074 1035 00 OUTLET SOCKET 18P 1 19 313 1796 00 HEATSINK 1 20 345 8581 02 GASKET 1 21 345 4847 21 STOPPER 1 22 816 2564 01 FLAT WIRE 1 23 929 0220 80 CD MECHANISM 1 24 331 3377 00 MECHANISM BRACKET 1 25 310 1713 00 UPPER COVER 1 26 714 2603 81 MACHINE SCREW M2 6 x 3 4 27 731 2606 80 TAPTIGHT M2 6 x 6 6 28 716 0778 10 WAVE SCREW 5 29 714 ...

Страница 5: ...8 68 OUTLET SOCKET 18P 1 19 313 1796 00 HEATSINK 1 20 345 8581 02 GASKET 1 21 345 4847 21 STOPPER 1 22 816 2564 01 FLAT WIRE 1 23 929 0220 80 CD MECHANISM 1 24 331 3377 00 MECHANISM BRACKET 1 25 310 1713 10 UPPER COVER 1 26 714 2603 81 MACHINE SCREW M2 6 x 3 4 27 731 2606 80 TAPTIGHT M2 6 x 6 6 28 716 0778 10 WAVE SCREW 5 29 714 2606 81 MACHINE SCREW M2 6 x 6 7 30 016 0010 16 ROTARY ENCODER 1 31 0...

Страница 6: ...2 47 50 4 43 64 53 64 50 53 3 9 42 63 H1 H2 H3 8 24 H4H5 H6 H7 5 67 56 21 11 29 37 6 65 56 25 51 30 33 34 53 35 31 20 58 C2 G1 I2 C5 G4 G11 G8 G9 E2 F1 A5 A7 A6 A4 D1 G12 D2 B1 B2 B1 B2 46 G13 A1 A8 G6 G12 A2 C2 G4 A3 G9 G8 G7 G11 G10 G1 G2 G15 G16 G14 G5 G3 E2 G5 G15 G16 G14 E1 G10 G7 M1 C4 C5 C1 C6 C7 C4 L1 H8 A5 F1 A2 A3 L2 A6 G2 A7 G3 D2 I2 A8 I1 D1 C1 C3 C3 M1 A1 A4 I1 G6 H5 H4 H6 H7 H8 C6 C7...

Страница 7: ...LLER SPRING R 1 59 750 3467 21 SHIFT SPRING 1 60 750 3468 20 RACK SPRING 1 61 750 3469 20 CLAMPER SPRING 1 62 750 3470 20 ID LOCK SPRING 1 63 816 2592 00 LEAD WIRE BLU 1 64 750 3472 21 DR SPRING F 2 65 750 3473 20 DR SPRING RA 1 66 750 3474 20 DR SPRING RB 1 67 750 3475 21 DR SPRING C 1 ELECTRICAL PARTS LIST Main PWB section B1 REF No PART No DESCRIPTION REF No PART No DESCRIPTION REF No PART No D...

Страница 8: ...4 1305 68 18P L1 010 8017 00 22mH L2 010 2230 68 4 7uH L3 010 2003 04 COIL L50 010 2230 66 3 3uH L51 010 2230 84 100uH L201 010 2230 84 100uH L401 010 2230 60 1uH L402 010 2230 64 2 2uH Q1 198 0669 00 2SK669 Q4 192 2712 00 2SC2712 Q5 193 1858 00 2SD1858 Q50 125 9007 90 HN1C01F Q106 125 0002 96 RN2406 Q301 192 2712 00 2SC2712 Q302 125 2004 92 RN1402 Q401 192 2712 00 2SC2712 Q402 125 2004 96 RN1406 ...

Страница 9: ...m A G R15 117 1521 15 1 8W 1 5k ohm A H Switch PWB section B2 PU 2472B C REF No PART No DESCRIPTION REF No PART No DESCRIPTION REF No PART No DESCRIPTION J101 074 1228 68 18P PL101 017 0454 02 14V40mA PL102 017 0454 02 14V40mA PL103 017 0454 02 14V40mA PL104 017 0454 02 14V40mA PL105 017 0454 02 14V40mA S101 013 3741 11 SKQCAE S102 013 3741 11 SKQCAE S103 013 3741 11 SKQCAE S104 013 3741 11 SKQCAE...

Страница 10: ...00k ohm R208 033 8231 15 1 16W 82k ohm R209 033 6811 15 1 16W 680 ohm R210 033 6831 15 1 16W 68k ohm R211 033 1831 15 1 16W 18k ohm R212 033 2721 15 1 16W 2 7k ohm R213 033 1011 15 1 16W 100 ohm R214 033 1021 15 1 16W 1k ohm R215 033 1031 15 1 16W 10k ohm R217 033 1041 15 1 16W 100k ohm R218 033 2211 15 1 16W 220 ohm R301 117 6811 15 1 8W 680 ohm R304 033 3921 15 1 16W 3 9k ohm R305 033 3921 15 1 ...

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