Kenwood DDX6027 Service Manual page 9

Ref. No. Application / Function
IC701 Ope amp IC
IC702 Regulator IC
IC703 DAC for audio
IC750 Logic IC (Inverter)
IC770 CPLD
IC850 Logic IC (NAND)
Q100 NPN digital transistor
Q101 Small signal NPN transistor
Q102 NPN digital transistor
Q103 Small signal PNP transistor
Q104 Small signal NPN transistor
Q105 Small signal PNP transistor
Q106 FET
Q107 Small signal NPN transistor
Q108 PNP digital transistor
Q109 FET
Q110 FET
Q111 FET
Q112 NPN digital transistor
Q113 Small signal PNP transistor
Q114 Small signal NPN transistor
Q115 Medium power amplification PNP transistor
Q116 Small signal NPN transistor
Q120 Small signal PNP transistor
Q121 NPN digital transistor
Q122 Small signal PNP transistor
Q123,124 Small signal NPN transistor
Q125 Small signal NPN transistor
Q126,127 PNP digital transistor
Q128 PNP digital transistor
Low-frequency general amplification
Q129
NPN transistor∗2
Q170 NPN digital transistor
Q172 NPN digital transistor
Q175 NPN digital transistor
Q180,181 Small signal NPN transistor
Q182 Small signal PNP transistor
Q183 NPN digital transistor
Q184 NPN digital transistor
Q202 NPN digital transistor
COMPONENTS DESCRIPTION
For audio LPF
For audio 5V generation
Conversion of digital signal into analog signal
SPDIF driver
Audio DAC control
For frequency dividing of clock for OSD-IC
For SW14.4V control
For detection circuit for reduced/excess current
For detection circuit for reduced/excess current
For detection circuit for reduced/excess current
For detection circuit for reduced/excess current
For detection circuit for reduced/excess current
For SW14.4V generation
For ACC detection
For PARK detection
For SW5V/MECHA7V control
For SW3.3V/MECHA7.5V control
For BL8.5V, ±7V control
For detection circuit for reduced/excess current
For fan power supply 12.8V generation
For fan power supply 12.8V generation
For fan power supply 12.8V generation
For fan power supply 12.8V generation
For switching µ-com AD conversion reference voltage BU3.3V/SW3.3V
For switching µ-com AD conversion reference voltage BU3.3V/SW3.3V
For switching µ-com AD conversion reference voltage BU3.3V/SW3.3V
For switching µ-com AD conversion reference voltage BU3.3V/SW3.3V
For detection circuit for reduced/excess current
For detection circuit for reduced/excess current
For SW14.4V control
For SW14.4V control
For switching DC-DC oscillation frequency
For switching DC-DC oscillation frequency
For switching DC-DC oscillation frequency
For IC303 7.5V generation (7.5V fluctuates a little)
For IC303 7.5V generation (7.5V fluctuates a little)
For LLUMI detection
For REVERSE detection
For GREEN_LED control
DDX6027/6027Y/7017
DDX7037/7047/7067
Operation / Condition / Compatibility
9