Block Diagram - Kenwood KNA-DV3100 Service Manual

DVD MECHANISM ASS'Y
( X92-4400-0x : DVS-300x / X92-4740-0x : DVS-302x )
DISC
VM1 VPU1
SPINDLE
MOTOR
OPTICAL LASER
A5V PICKUP
LD(650nm,780nm)
PD VCC
VM2
2 PHASE
FEED
STEPPING MOTOR
MOTOR
CN3 :
11PIN
IC6
8
BTLx2
3
PWM
SOFT-SW
7V
Q6
MOTOR &
5V AVR. ACTUATOR
DRIVER
LA6505
VM3
LOADING
MOTOR
DRV1.65
TH1
THERMISTER
LOADING SW
UNIT
CN4 :
4PIN
A
B
C
D
4PIN

BLOCK DIAGRAM

DVD UNIT (X37-1020-00)
A5V
DVD LD/CD LD
VC(2.2V)
Q1,2,4,5
MD(DVVD/CD)
APC
I/V OUT(DVD/CD)
Tr
HFM VCC
FO+/-,TR+/-
A5V
CN1 : IC1
30PIN
CN2 : FRONT END
PROCESSOR
4PIN
AN8703FH
7V
VHALF(1.65V)
FG
IC7
SLED
D/A
MUTE
LO/EJECT
A/D
MICROPROCESSOR
IOP DET A/D
DF2328VTE25Q5
A/D
VHALF(1.65V)
A/D
4
D3.3V
IC11
EEPROM
S-24C04BMFN
4
X1
16.897849MHz
IC2
IOP
IC4
DET
ARF
NARF
to A/D
FBAL
TMBAL
JLINE
A3.3V TSTSG
FE
BALANCE TRANSFER
AS
RFENV
4
OFTR
BDO
7
VREF2
VHALF(1.65V)
VHALF(1.65V)
TRCRS
TE
ANALOG SW
HD74LV2G66A
TRDRV
2
SPDRV
FODRV
FG
D3.3V
16.897849MHz
RESET
ADDRESS BUS
DATA BUS
MONITOR
A5V
S4 : DOWN SW
D5V
S5 : SLT
A3.3V
D3.3V
1.8V
X92-4400-0x/4730-0x
X92-4740-0x/4750-0x
D3.3V
IC5
RESET IC
S-80829CLBB
D5V A3.3V D3.3V 1.8V
S/P DIF
AUDIO OUT
ATAPI IF
5V
OPTICAL DISC
CONTROLLER
MN103S26E
7V
DISC DET
18 8 3 4
5V
IC10
3.3V REG
NJM2880U33
IC9
1.8V REG
UPC2918T
IC8
VOLTAGE DET
S-80815CLBB
CN4 :
50PIN
to
MAIN
UNIT
3