— 10 —
BLOCK DIAGRAM
RA L
AM VT
FM VT
AM LOCAL
FM LOCAL
VCO
MODE
SEEK
RDS
MUTE
SD/ST
FM DET
MUTE
RDS CK
V5 ON
RDS DA
RDS QA
RDS INH
IF
FM
BAND SW
8V RA
V8
V5 ON
ET201 RF33
PLL
LPF
Q251, Q252
IC251
BU2624AF.CT (Without RDS Model)
CL72146M.CT (RDS Model)
FM/AM PLL
FM/AM TUNER UNIT
BAND
AM
VCC
Serial Bus
Serial Bus
Serial Bus
Serial Bus
P. CHK
INH
SEC_LED
7.2M
16.93M
5V CD
8V CD
5V CD
V5 CD
V5 CD
AM
SWITCH
RDS
DEMOD
IC701
SYSTEM CONTROLLER
UPD78005
✽✽✽
.
✽✽✽
.8BT
IC401
AF PROCESSOR
LC735372ED
IC781 LC72723M.CT
4.332M
RDS Model
Only
RA R
MUTE
DRIVER
MUTE
DRIVER
TEL. MUTE
ACC CHK
BEEP
DRIVER
MUTE
IC501
HA13158A
POWER AMP
Q771
Q671
Q661
5V REG
Q631
8V REG
Q612
IC452
KIA4558P
LINE AMP
V8
A. STBY
MUTE
VCC
+14V
BEEP
Q791, Q792, Q793
Q503, Q504
5.0M
BEEP
VCC
KEY IN (A/D)
BLOCK DIAGRAM FOR FXD-770
KEY SW
TCD SW
TE
CANCEL
IC301
CXD2587Q
DSP
Q801
IC801
RF AMP
CXA182M.CT
IC802
LA6458ML.CT
RFDC
DETECTER
PICK UP
CD
MECHA
TN-CCD1001-1185
LO+
LO-
SP+
SP-
SL+
SL-
LD
SW
IC803
BA5984FP.CT
MOTOR
DRIVER
RESET SW
32.768M
RR OUT
LINE OUT
FRONT
REAR
TEL. MUTE
ACC
BATT
ANT-REM
SPK OUT
RL OUT
L
R
L
R
A. STBY
A. MUTE
ACC CHK
SSTP
CD SW1
CD SW2
CD SW3
CD SW4
XRST
8V CD
LODR
EJDR
XRST
SFDR
SRDR
TFDR
TRDR
FFDR
FRDR
TE1
VC
PD1
TE
TCD
FE
RFDC
RFAC
VC
LD
PD2
E
F
PD
VC
T-
T+
F-
F+
MDP
CD R OUT
CD L OUT
V5
P. ON
CD ON
LAMP ON
V8
8V REG
Q611
V8 RA
5V REG
Q621
Q641
IC702
Q802
Q803
Q681, Q682
Q683
ILLUMI LCD
LED
SECURITY
LED
IC901
LC75823W
LCD DRIVER
PANEL
CON.
LCD DISPLAY
POWER
SWITCH
Q601, Q602
CD POWER
SWITCH
LAMP
DRIVER
LAMP 8V
REG
Q651, Q652
IC651
KIA7808PI
8V REG
5V REG
V5 ON
V8 CD
V5 CD
+8V
+5V
ON 14V
+14V