KRC-709,779R/R
Y,889
2
BLOCK DIAGRAM
AUDIO
S-METER
AFC
IFC OUT
PLL DATA
PLL CLK
SW5V
FM
AM
TAPE
CHANGER
S METER
QUAL
SDA
SCK
S MUTE
A 8V
MODE 2
SUB-
MOT+B
SUB+
MODE 1
MS MODE
F/R
MUTE
MTL ON/OFF
BOLBY B/C
DOLBY ON/OFF
MS OUT
R REEL
F REEL
MODE 3
PACK IN
SRM SW2
SRM SW1
RCLK
QUAL
RDATA
NOISE
S METER
AFC
IFC OUT
PLL DATA
PLL CLK
MS OUT
MTL ON/OFF
MODE 2
MODE 3
R REEL
MODE 1
F REEL
MS MODE
F/R
MUTE
DOLBY ON/OFF
DATA C
CH RST
CH MUTE
DOLBY B/C
DATA H
CH CON
CH CLK
REQ H
REQ C
PACK IN
SRM SW3
SRM DET
RESET
SUB MOT2
SUB MOT1
SUB MOT3
CASS/SRM
MOT
OR
ILL
ON
AM+B
FM+B
SCK
SDA
PRE MUTE
MUTE
BEEP
P MUTE
ACC DET
PHONE
DIMMER
EXT AMP CONT
P CON
PAN5V
P ON
ANT CONT
B.U DET
SW5V
SW5V
2
3
3
13
CH MUTE
CH RST
DATA H
DATA C
CH CON
REQ C
CH CLK
REQ H
BACK UP
8
1200mV
440mV
A 8V
SW5V
PANEL5V
PANEL5V
4
B.U.5V
PANEL5V
FL+B
FAC
4
2
SUB+
SUB-
2
SUB-
SUB+
SDA
SCK
MOT+B
FOR VFD
A8V
+B
-B
FOR 4.5V PRE
PAN5V
B.U.5V
SW5V
MUTE
AUX IN
BACK UP
SW5V
B.U.5V
B.U.5V
+B
-B
CH
FM
1800mV
TAPE
AM
3600mV
855mV
1372mV
600mV
3600mV
1800mV
E TYPE K TYPE
1800mV
2250mV
1715mV
4500mV
1069mV
AM
CH
TAPE
FM
E TYPE
ILL
TEL MUTE
ACC
ANT CON
P CON
BACK UP
EXT.AMP CONT
F/E
FM+B
BUFFER
NOISE
BUFFER
DECODER
RDS
IC11
Q73
IC2
E-VOL
MPX
N.C.
AM+B
CASSETTE MECH
SYSTEM U-COM
IC1
CD-CHANGER
MD-CHANGER
KEY
MATRIX
RESET
SW
LCD
DRIVER
REMO
G/R SW
RESET
IC15
X13-996/999
SYSTEM u-COM
LCD TYPE
IC1
U-COM
MATRIX
SW
RESET
LCD
IC1
X13-995/998
KEY
REMO
PANEL
G/R SW
V-ILL TYPE
LCD
DRIVER
IC2
VFD(GRADATED)
SW
RESET
X13-994/997
REMO
MATRIX
KEY
G/R SW
U-COM
IC1
PANEL
FL(GRADATED) TYPE
ROM
SPEANA
BPF
DRIVER
SUB MOT
IC13
E S
SYSTEM
IC5
,
ONLY FL MODEL
MAIN MOT
+B
SUB MOT
+B
Q42
Q37,38
DC/DC
A1
ONLY FL MODEL
Q33,34
ILL AVR
ONLY FL MODEL
DC/DC
A 8V
Q20
IC6
SW14V
Q36
EXT AMP CONT
DIMMER
ACC DET
TEL MUTE
P CON
B.U DET
ANT CON
Q39
Q32
Q25
Q26
Q28
Q24
SW5V
B.U.5V
PAN5V
Q45
Q23
Q21,22
SRM
MECH
POWER IC
THEMO
PROTECT
IC4
IC10
MUTE LOGIC
DRIVER
MUTE
Q1-6
ONLY FL MODEL
4.5V
PRE AMP
IC7-9
SP OUT
1.8V PRE OUT
4.5V PRE OUT
LCD
251mV(ETYPE)
470mV(KTYPE)
FM:
AM:
230mV
KRC-709,779R/RY,889
