Block Diagram - Kenwood KDC-152 Service Manual

Block diagram

ELECTRIC UNIT (X34-)
CD servo control section
CD Mechanism section
SW1
SW2
SW1, SW2, SW3
SW3 VF1, VF2
VT1, VT2
DETECT SW
CD_MD, LD
SP+/-
SPINDLE MOTOR
FEED+/-
VREF
FEED MOTOR
LOAD+/-
LOAD MOTOR
SP+/-
FEED+/-
LOAD+/-
REST (PSW)
SW1
FOCUS+/-
REST SW
TRK+/-
PSW, SW1, SW2, SW3, SW-HC1
CD PICK UP
VF1, VF2, VT1, VT2
MD, LD, Vc (VREF)
PICK UP
1.5V
(IC540
VDDM1)
TRK+/-
FOCUS & TRACKING
FOCUS+/-
COIL
SWITCH UNIT (X16-)
SW Panel section
FL+B
FL601
LCD MODULE
S1 to S52
G1 to G3
CCW, CW
EN601
ENCODER
S602 to S616
KS1 to KS4, KI1to KI5
KEY MATRIX
*
IC602 REMOCON
REMOCON
*
D651 to D666
D669 to D678
LED
AUX
AUX-L, AUX-R
INPUT
No.WA001
Main amplifier & System control section
CD.L, CD.R
IC540
CMDREQ, CMDSO, CMDSI
Q540
CMDBUCK, CMDCCE, CDRESET
RF AMP
SRAMSTB, CDMUTE
X540
16.934MHz
BTL_DMO, BTL_FMO
BTL_FOO, BTL_TRO
FWD, REV, DRVMUTE
IC501
BTL DRIVER
3.3V VDD5V
IC530 3.3V REG.
VDD5V
IC532
REG.
1.5V
IC531 1.5V REG.
PON_CD
32.768kHz
SYSDA
VFDCLK
IC601
VFDCE
PANDAT
SYSDA VFDINH
LCD
VFDCLK CW
DRIVER
VFDCE CCW
PANDAT REMOCON
VFDINH
PAN3.3V
Q972
PAN3.3V SW
VFL
AUX-L
AUX-R
LED+B
LED+B FL+B
SDATUVR
SCLTUVR
IC771
EPROM
CD.L
CD.R
IC161
DC_ERR1 E.VOLUME
AUX-L, AUX-R
MUTE
D780
X701
D781
10MHz
IC701
X702
CPU
BEEP
AMP_STBY
AMP_MUTE
D782
RESET
Q701
MUTE CONTROL
BU_DET
VDD3.3V
TELMUTE
PON_PANEL
CTRL1
CTRL2
VDD3.3V
Q901 , Q902
SW3.3V
SW3.3 CCT 3.3V REG.
SW5V
(No.WA001<Rev.001>)3/13
X1
4MHz
IC1
FM/AM TUNER
TU.L
TU.R
REAR &
OUTSW/OUTLR2
SUB-
OUTSW/OUTRR2 Q782
LINE MUTE WOOFER
OFFSET
OUT
FLOUT, FROUT
RLOUT, RROUT
E_MUTE
FL+/-
IC301 FR+/-
RL+/-
RR+/-
AC-GND
POWER
STBY
AMP.
MUTE
IC702 , S701
VDD3.3V
RESET
, Q702
MEMORY
Q970 , Q971
BU/SURGE DET
TEL MUTE
D890
TELMUTE
SW5V, ACC5V, VDD5V,
CD8V, A9V, 10V
EXT REMOTE
EACH BLOCK
ACC_IN
IC901
MEMORY
REGULATOR
ILMOUT
ANT OUT
ANTENNA
VDD5V
IC931
created date:2011-09-29
J1
ANT
SPK
BATTERY