Kenwood KCA-S220A - Car Audio Switcher Скачать руководство пользователя страница 2

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KCA-S220A

BLOCK DIAGRAM

REQC

GND

AGND

BU+14V

CH MUTE

CHCON0

REQH

CH RST

DATAC

DATAH

HCLK

Rch

Lch

CH RST

CHCON0

GND

AGND

CH MUTE

BU+14V

REQH

REQC

DATAC

DATAH

HCLK

Rch

CH MUTE

CHCON

BU+14V

GND

AGND

CH RST

REQH

REQC

DATAC

DATAH

HCLK

Lch

Rch

CHANGER 1

CHANGER 2

ELECTRIC SW

IC3

LOGIC VDD

X'TAL

RESET

VDD

AUX SW

u-COM

IC1

ELECTRIC SW

IC4

LOGIC VDD

Q11,12,14

AUX IN

B.U. DET

8V DET

4V DET

H/U

5V AVR

VDD

Q15

8V REG

IC6

VDD

LOGIC

Lch

Rch

COMPONENTS DESCRIPTION

●

ELECTRIC UNIT

Ref. No.

Name

Function

IC1

-com

For product control

IC2

Reset IC

For when the

-com voltage 5V goes down to 3.7V or less, monitors the power supply voltage to prevent

the

-com malfunctioning.

IC3,4

Analog switch

Receive the control signal from the

-com and switch the changer 1, changer 2, and RCA sound input.

Around Q15

Power supply circuit for the

-com power supply 5V

IC6

Regulator IC

IC for analog switch IC power supply (8V)

Содержание KCA-S220A - Car Audio Switcher

Страница 1: ...X S W I T C H A U X I N O F F R L T O H E A D U N I T T O U N I T 1 T O U N I T 2 Metallic cabinet A01 4416 03 Cord with plug E30 4276 15 Screw set N99 1797 08 Magic tape Not supplied 2m This product uses Lead Free solder This product complies with the RoHS directive for the European market ...

Страница 2: ...DD Q11 12 14 AUX IN B U DET 8V DET 4V DET H U 5V AVR VDD Q15 8V REG IC6 VDD LOGIC Lch Rch COMPONENTS DESCRIPTION ELECTRIC UNIT Ref No Name Function IC1 µ com For product control IC2 Reset IC For when the µ com voltage 5V goes down to 3 7V or less monitors the power supply voltage to prevent the µ com malfunctioning IC3 4 Analog switch Receive the control signal from the µ com and switch the change...

Страница 3: ...90 R88 R87 R37 J53 J13 J51 J9 J16 J18 J20 J22 J47 J45 ON OFF J39 J40 J36 J55 J33 J4 J5 R72 R83 R78 R77 R38 R31 R85 R5 1 4 5 8 9 12 13 1 4 5 8 9 12 13 1 4 5 8 9 12 13 R9 R6 R4 R95 R33 C9 R52 C13 C15 C14 C10 R48 R49 R50 R40 R39 R43 R44 R45 C11 R58 R54 R60 R59 R84 R74 R71 R70 R25 R29 R69 R89 R86 R68 R94 R93 R73 R47 C20 R12 R18 R20 R17 R42 R57 R46 R53 R32 R80 R79 R2 R61 R62 R63 R64 R1 R3 R7 R10 R8 R92...

Страница 4: ...DATAC1 CH MUTE1 REQC1 REQH1 GND R11 100 R13 100 R17 100 R16 100 R14 100 R18 100 R20 100 R12 100 R19 100 R15 100 6 D15 8 9 D18 10 19 R1 L1 BU 14V CH MUTE2 CHCON02 DATAC2 4 8 3 2 7 6 12 Lch2 AGND2 Rch2 11 10 13 DATAH2 CH RST2 HCLK2 1 5 9 REQC2 REQH2 GND R26 100 R28 100 R24 100 R22 100 R29 100 R27 100 R30 100 D17 20 17 16 18 R23 100 R25 100 R21 100 D16 15 R88 100K 100K R91 R90 4 7K 100K R72 1K R71 10...

Страница 5: ...0 C16 47u16 C21 R60 100 R58 100 R59 100 R57 100 6 8 9 10 R61 100 19 R85 100K 15 16 17 18 R62 100 20 11 12 13 14 100K R63 100K R64 100K R55 100K R54 100K R53 13 D16 D17 100 R8 100 R4 100 R2 D15 D18 100 R10 7 61 100u16 C19 10u16 C18 22K R95 100u16 C17 18K R52 62 0 1 C9 2 2K R46 100 R3 100 R1 100 R6 5V BU 14V 8V 1K 1 2 3 IC4 IC6 KCA S220A 1 4 4 3 3 CAUTION For continued safety replace safety critical...

Страница 6: ... with the exploded numbers larger than 700 are not supplied EXPLODED VIEW 3 2 1 B A B D D D D 713 706 A A 8 4 1 705 702 Cx2 CN2 CN4 SH1 CN1 CN3 A B C D φ3x6 φ3x8 φ3x5 φ3x6 N09 6434 08 N09 6438 08 N86 3005 48 N09 6437 08 ...

Страница 7: ...CHIP R 22K J 1 8W R44 RK73FB2B102J CHIP R 1 0K J 1 8W R45 RK73FB2B103J CHIP R 10K J 1 8W R46 RK73FB2B222J CHIP R 2 2K J 1 8W R47 48 RK73FB2B473J CHIP R 47K J 1 8W R49 RK73FB2B102J CHIP R 1 0K J 1 8W R50 RK73FB2B223J CHIP R 22K J 1 8W R52 RK73FB2B183J CHIP R 18K J 1 8W R53 55 RK73FB2B104J CHIP R 100K J 1 8W R57 62 RK73FB2B101J CHIP R 100 J 1 8W R63 64 RK73FB2B104J CHIP R 100K J 1 8W R67 RK73FB2B104...

Страница 8: ...KCA S220A MEMO ...

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