![Kenwood KIV-700 Service Manual Download Page 3](http://html.mh-extra.com/html/kenwood/kiv-700/kiv-700_service-manual_191858003.webp)
3
KIV-700/BT900
●
SWITCH UNIT (X16-6880-10)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
Remote Controller
Outputs remote control signal when IR signal is received.
Q1
Triangle RED Driver
When the base turns on, D1 is turned on.
Q3
BLUE Driver
When the base turns on, BLUE of D3, D4 and D5 are turned on.
Brightness is PWM controlled by X34-unit.
Q4
RED Driver
When the base turns on, RED of D3, D4, D5 are turned on.
Brightness is PWM controlled by X34-unit.
Q5
GREEN Driver
When the base turns on, GREEN of D3, D4, D5 are turned on.
Brightness is PWM controlled by X34-unit.
Q6
BLUE Driver
When the base turns on, BLUE of D6 is turned on.
Brightness is PWM controlled by X34-unit.
Q7
RED Driver
When the base turns on, RED of D6 is turned on.
Brightness is PWM controlled by X34-unit.
Q8
GREEN Driver
When the base turns on, GREEN of D6 is turned on.
Brightness is PWM controlled by X34-unit.
Q9,10
LCD Back Light Control SW
When the base turns on, back light of LCD is turned on.
Brightness is PWM controlled by X17-unit.
●
PROCESSOR UNIT (X17-2080-10)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC1
SOC
μ
-COM
Controls LCD, key, USB and video.
IC51
A5V Power Supply
Power supply for A5V (to DAC).
IC61
Power Supply for IC1
Power supply for IC1 core.
IC71
Power supply for IC301
Power supply for IC301 core.
IC100,101
Memory for IC1
Memory for IC1.
IC103
Firmware Memory for IC1
Firmware memory for IC1 and music
fi
le (8G-bit).
IC201
Audio DAC
The
fi
le in USB and internal memory are converted to analog.
IC301
Video DAC
Composite-video signal (analogue) is converted to “BT.656” format (digital).
IC401
Hi-side SW
Detects USB over-current and ON/OFF SW.
IC402
i-Pod Authentication
Connection with i-Pod and i-Phone are authorized.
Q91,92
LCD Power SW
When Q92’s base goes on, LCD_D3.3V outputs 3.3V.
Q501
Level shift (5V
→
3.3V)
SOC_STOP level shift.
Q502
Level shift (5V
→
3.3V)
SOC_RST level shift.
●
ELECTRIC UNIT (X34-677x-xx)
Ref. No.
Application / Function
Operation / Condition / Compatibility
IC10
AUD8V REF Power Supply
Outputs 1.27V.
IC20
A5V REG
Power supply for A5V (to DSP).
IC70
D5V/PON5V SW REG
Power supply for D5V (to USB-VBUS/PANEL) and PON5V.
IC170
Level Shift (3.3V
→
5V)
Level shift for BT module.
IC171
Level Shift (5V
→
3.3V)
Level shift for BT module.
IC201
Power IC
Ampli
fi
es the front L/R and the rear L/R to 50W maximum.
IC240
DSP
Digital signal processor.
IC300
E2PROM
Memory for data of installer, back-up, favorite, phone book and RBDS tagging.
IC301
Reset IC
Outputs Lo (system
μ
-com reset) when detection voltage goes below 3.6V.
IC302
System
μ
-COM
Controls FM/AM tuner, the changer, X17-unit, key (SRC/MENU/AUDIO) and DSP.
COMPONENTS DESCRIPTION