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– MAIN Section –
J101
R-CH
PC/MD/TAPE
IN
CD-L
CD
A
SECTION
TUNER PACK
L OUT
FM75Ω
R OUT
R-CH
ı
ST DOUT
ST DIN
ANTENNA
ST CLK
AM
ST CE
ı
TUNED
STEREO
ST MUTE
RDS DATA
RDS INT
Q401,402
RDS +5V
REG
• R-CH is omitted due to same as L-CH.
• Signal Path
: FM
: CD
: PC/MD/TAPE(PB)
: PC/MD/TAPE(REC)
IC121
PRE AMP
INEX1
7
4
OUT1
INB1
18
5
INC1
Q121
D501
BB A1
16
DBFB
SWITCH
BB B1
17
6
IND1
IC701 (2/2)
MASTER CONTROLLER
22 21
29
GEQ-DATA
30
GEQ-CLK
DIG-AMP-SLEEP
LINE-MUTING
44
PLL-DI(ST UCOM)
45
PLL-DO(UCOM ST)
43
PLL-CLK
46
PLL-CE
SPK-RELAY
49
TUNED
48
STEREO
47
ST-MUTING
AEP, UK
50
RDS-DATA
96
RDS-CLK
+5V
+10V
DISP-DATA
51
AM
IC631
POWER SAVE
REMOTE
CONTROL
1
94
SIRCS
RECEIVER
D703
SIRCS
93
(WAKE UP)RM_INIT
DETECT
S621,622
FUNCTION
77
KEY1
KEY
90
(WAKE UP)KEY_INIT
S601,602,615,616
FUNCTION
78
KEY2
KEY
S603,611-614
FUNCTION
79
KEY3
KEY
STANDBY LED
35
XT1
X701
32.768kHz
36
XT2
39
X1
X702
20MHz
38
X2
MUTING
Q111
MUTING
Q122
Q124
MUTING
HP-MUTE
27
R-CH
SWITCH
Q801
28
Q123
MUTING
33
SWITCH
26
HP IN
24
LCD601
LIQUID CRYSTAL
DISPLAY
1
4
SDA
DISP-CLK
SCL
2
5
DISP-CS
57
6
CS
DISP-RS
56
7
RS
Q691,692
B+
VDD
2
SYS+5V
SWITCH
64
Q672,674
DIM0
31
DIM
D681 - 684
CONTROL
(BACK LIGHT)
DIM1
32
CD+5V
ST+10V
CD+7V
IC121
Q591
IC501
RIPPLE
(HP AMP)
FILTER
A+10V
D621
66
(STANDBY)
`/1
Q792,793
VOLTAGE
DETECT
BACKUP+5V
AC_CUT
91
IC791
Q791
RESET
SYS+5V
RESET 34
4
RESET
5
SWITCH
26
26
IC101
DIGITAL POWER AMP
10
IN1 L-IN
OUTM1
18
FAULT
24
LPF
(-)L-
11
MUTE
OUTP1
26
LPF
(+)L+
17
SLEEP
IC102
DC CANCEL
Q841,842
3
1
DC
2
DETECT
IC501
HEADPHONE AMP
3
1
MUTING
Q501
R-CH
R-CH
+13.5V
(IC101)
IC911
T1
D901
+5V
3
1
REG
IC921
+7V
3
1
REG
IC931
+10V
3
1
REG
PC1
IC941
ERROR
1
2
AMP
D902
IC951
D951
T51
D792
+5.5V
3
1
REG
D791
Q952,953
DELAY
PC51
Q951
ECO
SWITCH
HCD-EX5
J111
R-CH
OUT
PC/MD/TAPE
L
CN801
SPEAKER
R-CH
RY891
R
R-CH
RELAY
Q843
DRIVE
R-CH
J501
PHONES
D10
AC IN
IC1
MAIN CONVERTER
3
D
OCP/INH
Q1
1
B+
4
VCC
SWITCH
2
GND
5
FB/OCP
R51
BOOT
D53
RESISTOR
Q52
B+
SWITCH
IC51
STANDBY
CONVERTER
7
D
8
D
Q51
B+
3
VIN
SWITCH
2
GND
1
S
Q53
4
FB/OCP
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