C79
27p
C710
27p
Y71
11.0592MHz
+5V
C711
0.
1u 20%
C
M
TU
TA
2
TA
1
DI
S71
AUX
S72
TAPE2
S74
CD
S73
TAPE1
S75
TUNER
S77
MP
S76
DISC/MDC
D71
CD
D72
DISC
D73
MP
D74
AUX
D76
TUNER
D75
TAPE1
D77
TAPE2
R726
2K2
SOFT CLIPING
D716
Bl
u
e
R725
2K2
1
2
3
4
5
6
7
8
9
CZ71
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
CZ76
R730
10K
Q79
C1815
Q710
C1815
Q711
C1815
Q712
C1815
Q713
C1815
Q714
C1815
Q715
C1815
R741
4K7
R742
4K7
R743
4K7
R744
4K7
R745
4K7
R746
1K
R747
4K7
C714
10n
C715
10n
C716
10n
C717
10n
C718
10n
C719
10n
C720
10n
C
AU
TU
TA
2
TA
1
DI
MP
AUX
TAPE2
TUNER
DISC
TAPE1
CD
MP
AUX
TAPE2
TUNER
DISC
TAPE1
CD
R754
4K7
R753
1K
R752
4K7
R751
4K7
R750
4K7
R749
4K7
R748
4K7
Blue
PROTECTION
+5V
VOL-
VOL+
+12V
+5V
+5V
Remote Mute
Protection
VOL+
VOL-
SO
F
T
C
L
IPIN
G
+12V
+5V
TO CB31
TO CB34
Blue
Blue
Blue
Blue
Blue
R701
10K
Q73
C1815
IR IN
IR OUT
IR IN
IR OUT
+12V
R708
10
C722
1uF
D710
1N4148
D711
1N4148
D713
1N4148
D712
1N4148
+5V
+5V
R73
10K
+5V
+5V
R759
2K2
Q718
C1815
R760
4k7
TO MAIN BOARD CB35
MD
R761
4K7
C721
10nF
MD
+12V
R727
2K2
C723
100uF/16V
D714
1N4148
R762
10K
M
AU
R763
10K
PHONE71
Ipod IN
AGND
2
3
1
IC72
IS1U60L
1
2
3
CZ75
IR RECEIVER
G
VCC
L
R
SIGNAL
GND
P9
C758
100p
SHIELDING
C759
100p
C760
0.1uF
R765
10
R766
10K
R767
10
C1+
1
V+
2
C1-
3
C2+
4
C2-
5
V-
6
T2OUT
7
R2IN
8
R2OUT
9
T2IN
10
T1IN
11
R1OUT
12
R1IN
13
T1OUT
14
GND
15
VCC
16
IC76
MAX232D
C763
1uF
C762
1uF
C764
1uF
C765
1uF
R769 100
R768 100
S79
SPEAK B
S710
SPEAK A
Speak A
Speak B
Speak A
Speak B
C761
0.1uF
R770
20K
Speak A
Speak B
R
773
10K
R
774
10K
Rem
ot
e M
ut
e
Q719
C1815
R777
4K7
C766
10n
R776
4K7
Mute Relay
Mute Relay
SO
F
T
CLIPPING
C78
10uF,16V
R778 10K
D722
1N5819
MDC
MDC
AGND
R
779
10K
R
775
10K
+5V
D723
D724
R789
2K2
R788
2K2
D709
Blue
D708
Q720
C1815
Q721
C1815
R790
4K7
R791
4K7
C767
10n
C768
10n
R721
4K7
R720
4K7
Blue
1
2
3
4
5
6
CB78
CON6
R
793
10K
L71
100uH
R796 N.I.
R797
N.I.
C769
N.I.
C770
N.I.
C771
1nF
C772
1nF
Module Detect
Module Detect
Tone Def
T
one Def
eat
R798
2K2
MP REAR
M REAR
Q71
C1815
R719
4K7
C71
10n
MP REAR
R718
4K7
M REAR
/MDC
Blue
R
799
10K
S711
TONE DEFEAT
D78
TONE
R728
2K2
Q727
C1815
R756
4K7
C724
10n
T
one Def
eat
Tone Def
R755
4K7
Blue
DEFEAT
Red
Blue
D717
3LED
Amber
R714
10K
R706
560
R709
1K2
R713
10K
R707
10K
R710
10K
R704
10K
R712
560
R716
10K
S712
STANDBY
R
780
10K
R781
10K
+5V
P1.5/MOSI/ADC5
1
P1.6/MISO/ADC6
2
P1.7/SCLK/ADC7
3
P4.7/RST
4
P3.0/RXD
5
P4.3/CCP1/TXD2/SCLK
6
P3.1/TXD
7
P3.2/INT0
8
P3.3/INT1
9
P3.4/T0/CLKOUT0
10
P3.5/T1/CLKOUT1
11
P3.
6/
WR
12
P3.
7/
R
D
13
XT
AL
2
14
XT
AL
1
15
GND
16
P4.
0/
SS
17
P2.
0/
A8
18
P2.
1/
A9
19
P2.
2/
A10
20
P2.
3/
A11
21
P2.
4/
A12
22
P2.5/A13
23
P2.6/A14
24
P2.7/A15
25
P4.4/NA
26
P4.5/ALE
27
P4.1/ECI/MOSI
28
P4.6/RST2/EX_LVD
29
P0.7/AD7
30
P0.6/AD6
31
P0.5/AD5
32
P0.4/AD4
33
P0.
3/
AD3
34
P0.
2/
AD2
35
P0.
1/
AD1
36
P0.
0/
AD0
37
VC
C
38
P
4
.2
/CCP
0
/RX
D
2
/MI
S
O
39
P1.
0/
ADC
0/
C
L
KOUT
2
40
P1.
1/
ADC
1
41
P1.
2/
R
XD2
42
P1.
3/
T
XD2
43
P1.
4/
ADC
4
44
IC73
STC12C5A08S2-35I-LQFP44
EXT
RA
TX
D
RX
D
RXD
TXD
Blue LED
IR OUT
R782
100
R783
100
TO MDC RXD
T
O
MDC RXD
TO M
D
C
TX
D
TO MDC TXD
EXTRA
R784
5K1
R785
10K
XT
AL2
XT
AL1
XT
AL
1
XT
AL
2
1
2
3
4
5
6
7
8
9
11
10
CZ77
DB 9
1
2
3
4
5
6
CZ78
CON6
R792
100
1
2
3
4
CZ79
To Main CB39
Q724
A1015
+5V
Q722
A1015
Q723
A1015
+5V
Red LED
Amber LED
Blue LED
Red LED
Amber LED
+5V
Protection detect
Protection detect
R731
10K
R732
10K
R733
10K
R734
10K
R735
10K
R736
10K
R737
10K
R738
10K
R739
10K
R740
10K
R72
10K
R74
10K
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
Standby
R75
10K
R76
10K
R77
10K
+5V
R723 10K
R724 10K
+5V
+5V
+5V
SCHEMATICS DIAGRAM(4/4)
KEY CIRCUIT Vm1.1
PCB-3:KEY BOARD Vm1.0
RS232 CIRCUIT Vm1.0
PCB-5:RS232 BOARD Vm1.0
18
