Kenwood DDX8017 Service Manual page 10

DDX8017/8027/8027Y
DDX8037/8047/8067
Ref. No. Application / Function
Q80 NPN digital transistor
Q81 Small signal NPN transistor
Q82 Small signal PNP transistor
Q83 Small signal NPN transistor
Q84 PNP digital transistor
Q85 Small signal NPN transistor
Q86 Small signal PNP transistor
Q87 PNP digital transistor
PNP transistor for low-frequency power
Q88
amplification
Q89~91 Small signal NPN transistor
Q92 Small signal PNP transistor
Q93 NPN digital transistor
Q94 PNP digital transistor
NPN transistor for low-frequency
Q95
general amplification∗2
Q103 NPN digital transistor
Q104 PNP digital transistor
Q105 NPN digital transistor
Q106 PNP digital transistor
Q107 PNP digital transistor
Q108 NPN digital transistor
Q109 Small signal PNP transistor
Q110 NPN digital transistor
Q111 Small signal PNP transistor
Q112,113 Small signal NPN transistor
Q114 PNP digital transistor
Q115 NPN digital transistor
Q171 Small signal PNP transistor
Q173 Small signal NPN transistor
Q230 Small signal NPN transistor
Q231 Small signal NPN transistor
Q232 Small signal PNP transistor
Q233 NPN digital transistor
Q234 Small signal PNP transistor
Q236 Small signal NPN transistor
Q237 Small signal PNP transistor
Q238,239 Small signal NPN transistor
Q240 Small signal PNP transistor
Q400,401 Small signal NPN transistor
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COMPONENTS DESCRIPTION
For reduced/excess current detection circuit
For reduced/excess current detection circuit
For reduced/excess current detection circuit
For reduced/excess current detection circuit
For reduced/excess current detection circuit
For reduced/excess current detection circuit
For reduced/excess current detection circuit
For reduced/excess current detection circuit
8.5V regulation circuit for BU3.3V
8.5V regulation circuit for BU3.3V
8.5V regulation circuit for BU3.3V
For reduced/excess current detection circuit
For SW14.4V control
For SW14.4V control
For GREEN_LED control
For GREEN_LED control
For RED_LED control
For RED_LED control
For resetting
For resetting
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 resetting
For setting to OV until setting is completed, immediately after resetting µ-com 20 pin
µ-com input voltage 5V → 3.3V conversion
µ-com input voltage 5V → 3.3V conversion
For input video signal clamp to IC237
For brightness signal input buffer to IC237
For color signal input buffer to IC237
For IC240 switching control
For switching at the time of chroma trap PAL
For IC237 3V generation
For IC237 3V generation
For IC237 7.5V generation (7.5V fluctuates a little.)
For IC237 7.5V generation (7.5V fluctuates a little.)
For audio signal muting
Operation / Condition / Compatibility