Kenwood KOS-V1000 Service Manual page 3

POWER SUPPLY
(X14-982)
BU:9.5~16V
AUDIO
A600 FM/AM
J804 NAVI-IF
J802 LX-IF
IC801
J803 TV-IF ISO AMP
IC707
AV IN-1 ISO AMP
J700
IC706
AV IN-2 ISO AMP
IC803
J805 SP IN ISO AMP VR
IC401
J400 iPod ISO AMP
IC106
USB-1
MEDIA
J101
PROCESSOR
USB-2
X88-202
X14-982
SYSTEM MICROCOMPUTER
BLOCK DIAGRAM
IC1
5V
5V REG.
IC2
3.3V
3.3V REG.
14.4V
Q518
8V
8V REG.
Q7
SW 14V
Q9 IC4
12V 5V
12V REG. 5V REG.
Q11
5V
5V REG.
Q103 IC3
5V
SW 5V
DC/DC
CONVERTER
IC100
DC/DC
CONVERTER
Q102
3.3V
SW 3.3V
IC605
IC805
BUFFER
IC400 IC604
IC301 IC305
DAC L.P.F.
SERIAL/PARALLEL
CONVERTOR
IC300
KOS-V1000/V500
(X88-202)
SUB PROCESSOR
AUDIO MUTE CIRCUIT
MAIN PROCESSOR
3.3V
POWER AMP
RELAY CONTROLLER
LX BUS
TV TUNER BOX
E-VOL
ISOLATION AMP
AUDIO SELECTOR
TUNER
IC332
REFERENCE VOLTAGE CIRCUIT
8V
5V REG.
REFERENCE VOLTAGE CIRCUIT
5V
VIDEO SELECTOR
VIDEO AMP
CHROMINANCE DECODER
SYNCRONOUS SEPARATER
12.5V
CHROMINANCE DECODER
11V
SP-IN AMP
PRE OUT AMP
VIDEO LOGIC CIRCUIT
REMOTE CONTROL CIRCUIT
TV TUNER I/F
RDS DECODER
5V
3.3V
IC105
1.8V REG.
IC600
FL/FR
TUNER PA0
RL/RR
PA1
AUX
CH
IC602
E-VOL
CD (MAIN)
MUTE
LD0
MD (SUB)
LD1 MUTE
LD2 MUTE
USED ONLY
KOS-V500
IC603
MUTE
IC902
AUDIO MICROCOMPUTER
SRAM
5V
AUDIO DAC
LPF
PLL
VIDEO DAC
VIDEO AMP
USB VBUS
PLL
VIDEO DAC
MAIN CPU
FLASH ROM
SDRAM
CO-PROCESSOR for iPod
OSD
CPLD
1.8V
MAIN CPU
IC601
FL/FR
4ch POWER AMP
RL/RR
USED ONLY
KOS-V500
FL/FR
RL/RR
SUB
USED ONLY
KOS-V1000
IC954
BUFFER FL/FR
IC952
BUFFER RL/RR
IC953
BUFFER SUB
MUTE AVOUT1
MUTE AVOUT2
AVOUT
J500
J600
J600
J951
J951
3