Kenwood DDX7015 Service Manual page 7

Ref.No. Application/Function
Low-frequency power
Q112
amplifying PNP transistor
Q113 Small signal PNP transistor
Q114 Small signal NPN transistor
Medium power amplifying
Q115
PNP transistor
Q116 Small signal NPN transistor
Q117 NPN digital transistor
Q118 Small signal PNP transistor
Q119 NPN digital transistor
Q120 Small signal PNP transistor
Q121 NPN digital transistor
Q122 Small signal PNP transistor
Q123,124 Small signal NPN transistor
Q170,171 Digital transistor
Q172,173 Digital transistor
Q174,175 Digital transistor
Q200,201 Digital transistor
Q202,203 Digital transistor
Q204,205 Digital transistor
Q206 Digital transistor
Q207 Digital transistor
Q300 Small signal PNP transistor
Q360 Small signal NPN transistor
Q361 Small signal PNP transistor
Q362 Small signal PNP transistor
Q400 Small signal PNP transistor
Q401 Small signal PNP transistor
Q402 Small signal PNP transistor
Q403 NPN digital transistor
Q650 PNP digital transistor
Q652 NPN digital transistor
Q701 Small signal NPN transistor
Q702 Small signal NPN transistor
Q703 Small signal NPN transistor
Q704~707 Digital transistor
Q751 Small signal NPN transistor
Q752 Small signal PNP transistor
Medium power amplifying
Q901
PNP transistor
Q902 Small signal NPN transistor
COMPONENTS DESCRIPTION
Video system 7.5V output
Fan power supply 12.8V output
Fan power supply 12.8V output
Fan power supply 12.8V output
Fan power supply 12.8V output
Storage mechanism power supply switching control
BL8.5V over current detection
BL8.5V over current detection
BU5V/SW5V switching
BU5V/SW5V switching
BU5V/SW5V switching
BU5V/SW5V switching
SW5V, mechanism 7V DC/DC oscillation frequency switching
SW3.3V, storage mechanism 7.5V DC/DC oscillation frequency switching
±7.5V, mechanism 7V DC/DC oscillation frequency switching
Blue illumination control
Green illumination control
Red illumination control
BOX microcomputer
Microcomputer reset control
Chroma LPF fc NT/PAL switching
Y signal input buffer
C signal input buffer
Synchronous separation circuit V signal input buffer
OSD R signal output buffer
OSD G signal output buffer
OSD B signal output buffer
OSD clock NT/PAL switching control
RGB_SW reversal
IC650 6pin input signal muting
Audio DMIX_L signal muting
Audio DMIX_R signal muting
Audio mute control
Audio mute control
COAX output driving
COAX output driving
TDF panel section power supply ON/OFF control
TDF panel section power supply ON/OFF control
DDX7015/7025/7035
DDX7045/7065
Operation/Condition/Compatibility
7