2-1
Block diagrams
(UN2 version)
MAIN
MOTOR
MUTE SW
RADIO/TAPE SW
TU.LCH
TU.RCH
LRO
RRO
LFO
RFO
LRO+,LRO-
RRO+,RRO-
KEY0 to KEY2
F/R
S8 to S52
COM1 to COM3
TAPE.L
TAPE.R
Lch
Rch
F/R
L.CH
R.CH
REAR
LINE OUT
LCD & Key control section
Head amplifier section
Cassette mechanism
control section
PROG.SW.
IC981
POWER AMP
IC931
E.VOL
IC901
HEAD AMP
TO
SPEAKER
CONNECTOR
LCD1
IC651
LCD DRIVER
KEY
S601 to S620
DATA
CLOCK
CE
IC701
MICON
TU1
AM/FM TUNER PACK
MONO, SD/ST,EQ
S.METER, FM.OSC
IFREQ,BAND, IF.C
SDA
ACL
TAPEIN
PROG
Main amplifier section
CP721
Relay section
CP722
CN721
CP981
CJ921
LFO+,LFO-
RFO+,RFO-
LRO
RRO
CN901
CP901
CJ901
HEAD
CJ701
CP701
LCD.SO
LCD.SCK
LCD.CE
KEY0 to KEY2
IC781
REG.
POWER CNT
5V,9V
L-CH
R-CH
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299