KRC-609,679R/R
Y,781R/789
2
BLOCK DIAGRAM
AUDIO
S-METER
IFC OUT
PLL DATA
PLL CLK
SW5V
FM
AM
TAPE
CHANGER
S METER
SDA
SCK
S MUTE
A 8V
MODE 2
SUB-
MOT+B
SUB+
MODE 1
REV (L)
FOR (R)
REV (R)
FOR (L)
R REEL
F REEL
MODE 3
SR
T
SW2
SR
T
SW1
S METER
IFC
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
DATA H
CH CON
CH CLK
REQ H
REQ C
RESET
SUB -
SUB +
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
P-5V
ANT CONT
B.U DET
SW5V
SW5V
2
3
2
6
8
1200mV
388mV
A 8V
SW5V
B.U.5V
2
SUB-
SUB+
MOT+B
A8V
B.U.5V
SW5V
MUTE
AUX IN
BACK UP
SW5V
B.U.5V
B.U.5V
CH
FM
1800mV
TAPE
AM
3600mV
855mV
1372mV
600mV
3600mV
1800mV
E TYPE K TYPE
1800mV
RCLK
QUAL
R
D
ATA
QUAL
AFS
NOISE
AFS
MTL ON/OFF
F/R
MS OUT
DOLBY ON/OFF
MUTE
MS MODE
5
6
P O
N
L C
E
L
CLK
DIMMER
L
D
ATA
S
L
D
ATA
L
REMO
LCD
SC CON
V
-ILL
MC DA
T
A
MC CLK
MC REQ
SC DA
T
A
P-RESET
DIMMER
TEL MUTE
ACC
ANT CON
P CON
BACK UP
EXT.AMP CONT
F/E
FM+B
BUFFER
DECODER
RDS
E-VOL
MPX
N.C.
AM+B
CASSETTE MECH
SYSTEM U-COM
CD-CHANGER
MD-CHANGER
KEY
MATRIX
LCD
DRIVER
REMO
G/R SW
RESET
U-COM
MATRIX
SW
RESET
LCD
KEY
REMO
PANEL
G/R SW
DRIVER
SUB MOT
MAIN MOT
AVR
VOLTAGE
LIMITTER
ILL AVR
A 8V
SW14V
EXT AMP CONT
DIMMER
ACC DET
TEL MUTE
P CON
B.U DET
ANT CON
SW5V
B.U.5V
P-5V
SRT
MECHA
POWER IC
THEMO
PROTECT
MUTE LOGIC
DRIVER
MUTE
SP OUT
1.8V PRE OUT
LCD
BUFFER
BUFFER
DOLBY EQ
TYPE
V-ILL
LCD DRIVER
251mV(ETYPE)
470mV(KTYPE)
FM :
AM :
230mV
KRC-509S/689 (K/M)
KRC-579R/RY (E)
KRC-609,679R/RY,781R/789 (K/E/M)
KRC-V679R/RY (E)
www . x ia o y u 1 6 3 . c o m
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
