Kenwood DDX7015 Service Manual page 6

DDX7015/7025/7035
DDX7045/7065
QQ
3 7 63 1515 0
Ref.No. Application/Function
IC205 AND
IC206 Inverter
IC207 Reset
IC300 3 terminal regulator
IC301 1H delay
IC302 RGB switch
IC303 RGB decoder
IC304 RGB switch
IC305 3 terminal regulator
IC306 Inverter
IC361 NAND
IC362 Synchronous separation
IC363,364 3ch buffer
IC365 Mono-multi
IC400 OSD
IC401 Flash ROM
IC520 Flash ROM
TE
IC521 SRAM
L 13942296513
IC522 NAND
IC540 Inverter
IC541 Inverter
IC560 SDRAM
IC580 ANDx4 (4 AND's included)
IC601 MPEG decoder
IC650 Driver IC for visual signals
IC651 Regulator IC
IC652 Video encoder
IC701 Ope amp
IC702 Regulator IC
IC703 Audio DAC
IC750 Inverter
IC770 CPLD
Q100~103 Digital transistor
Q104,105 Small signal NPN transistor
Q106 High-speed power SW FET
Q107 Small signal NPN transistor
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Q108 Digital transistor
Q109 High-speed power SW FET
.
Q110 High-speed power SW FET
Q111 High-speed power SW FET
6
COMPONENTS DESCRIPTION
Remote control output buffer
Microcomputer reset control
System µ-com reset control at low voltage
Video system 5V power supply output
PAL color difference signal delay
RGB signal SYNC cutting
RGB decode
DVD/NAVI, TV switching
Video system 3V power supply output
V. MUTE control
HD, VD mix
Synchronous separation
HD, VD buffer
HD timing for OSD
OSD graphic signal occurrence
OSD font data ROM
MPEG decoder control program ROM
Backup ROM for MPEG decoder
SRAM chip selection
27MHz buffer
27MHz oscillation
RAM for temporary storage of decoded signal
3.3V→5V conversion
IC for decoding encoded signal
Lowpass filter + 6dB_AMP + DRIVER
Video 5V regulator
Converts digital video signals into analog
Active filter circuit for audio signals
Audio 5V regulator
Converts digital audio signals to analog
Drive for optical output
Audio DAC control, Chip selection control of SRAM
P_ON control
BU reduced current detection
SW14V output
ACC detection control
Parking detection control
x ao u163
y
SW5V, mechanism 7V DC/DC
i
SW3.3V, storage mechanism 7.5V DC/DC
±7.5V, mechanism 7V DC/DC
2 9
8
Operation/Condition/Compatibility
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
9 9
9 9