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6-13. SCHEMATIC DIAGRAM – CONTROL/LOADING/SWITCH (1/2)/VIDEO Boards – •
CN806
21P
ST-DIN
R890
1k
BB1
ST-CE
R891
1k
BB2
ST-CLK
R844
1k
BB3
ST-DOUT
R845
1k
BB4
BB13
TUNED
R849
1k
BB5
RDS-IN
BB6
RDS-DATA
BB7
R-OUT
CC10
D321
1SS133T-77
L-OUT
CC11
C388
100p
TU-ON
(AEP,UK)
GND
GND
L304
2.2µH
DC DET
BB8
AMP-MUTE
BB9
(Page 22)
BACKUP5V
A-GND
L303
4.7µH
REG-CON
BB11
CD8V
VOL-SCK
BB12
CD 5V
L302
4.7µH
VOL-SDA
BB13
AC DET
IC321
TOTX178A
CNP401
3P
CN809
VDD
3P
OPTICAL
DIGITAL
DIN
CC12
OUT(CD)
GND
OPTICAL TRANSCEIVER
C824
0.1
CN805
19P
CD+8V
P-GND
C-SCOR
CC1
R907
1k
SQCK
CC2
R908
1k
SENS
CC3
R909
1k
SQSO
CC4
R910
1k
HOLD
CC5
R911
1k
CLK
CC6
R912
1k
LATCH
R913
1k
CC7
DATA
R914
1k
CC8
XRST
CC9
A+5V
(Page 19)
CD-R
CC10
C828
0.1
A-GND
CD-L
CC11
D-GND
D-OUT
CC12
C829
C827
0.1
0.1
D+5V
See page 25 for Waveforms.
27
R881
4.7k
28
R882
4.7k
29
R883
4.7k
30
R884
4.7k
31
R885
4.7k
CC9
R886
1k
C-RST
DD4
R887
1k
AU-CE
R888
1k
JR806
0
C804
R892
470
C802
22p
L301
0.22
X800
32.768KHz
4.7µH
5.5V
C803
27p
R894
1k
R895
1k
AA7
JR801
0
R896
1k
DD2
R897
1k
AA8
R898
1k
R899
1k
CC1
R900
1k
R901
47k
Q802
SRA2202SF
WAKE UP
SWITCH
Q803
2SC2412K
WAKE UP
SWITCH
R903
1.2k
R804
4.7k
Q804
SRC1202SF
Q800
Q801
TUNER ON
SRC1202SF
SRC1202SF
SWITCH
CD ON
CD ON
SWITCH
SWITCH
•
See page 32 for IC Block Diagram.
SYSTEM CONTROLLER
IC801
RST
CXP83124A-053Q
SIMUKE
R889
4.7k
R905
C830
100k
220p
R906
C825
R904
R902
47k
0.1
4.7k
100k
C806
1000p
LOADING MOTOR
DRIVE
IC320
KA3082
27
27
(1/2)
LCD801
LIQUID CRYSTAL DISPLAY
CN502
18P
CN802
18P
R843
10k
JR804
R850
0
4.7k
R848
C818
C819
10k
0.1
0.1
R847
C817
10k
0.1
C813
10
50V
C812
C820
C816
0.01
0.1
0.01
R846
22k
IC803
BMR0301H
C808
X801
24p
RESET SIGNAL
4.19MHz
GENERATOR
C807
24p
R839
470
R511
R837
1k
C809
1
C814
10k
0.1
R836
1k
AA2
R835
1k
AA3
R834
1k
AA1
R833
1k
DD12
R832
1k
C823
R838
R893
R841
C815
4.7
47k
∗
∗
1
BB2
50V
R831
JR805
JR803
1k
0
0
DD1
DD2
DD3
C811
C810
0.1
100
DD4
10V
DD5
R840
∗
R893
DD6
10k
0
(US,CND)
2.2k
(AEP,UK)
10k
(MX,SP,KR,TH,AUS)
DD7
∗
R841
1k
(US,CND)
DD8
3.3k
(AEP,UK)
DD9
10k
(MX)
DD10
33k (SP,KR,TH,AUS)
DD11
DD12
DD13
DD14
R842
4.7k
R308
CN807
4.7k
5P
C314
0.1
C316
0.1
R309
10
D304
C315
MTZJ-T-77
47
-4.7C
16V
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER (FM/AM)
(
) : CD PLAY
〈〈
〉〉 : TAPE PLAY
HCD-M70
CN503
20P
CN803
20P
R510
R509
CN801
10k
10k
15P
DD1
KEY
AA1
KEY3
AA2
KEY1
AA3
KEY2
RELAY 5V
AA4
CD-SYNC LED
AA5
DSG LED
AA6
SIRCS
AA7
TC-LED
(Page 29)
CD-LED
TU-LED
D-GND
DD7
+8V
AA8
STBY-LED
CN804
17P
KEY-0
AU MUTE
H/P DETECT
VOL-CE
SOL-CON
P-GND
MOT-CON
D-GND
+8V
CD-ON
ALC CON
REC.MUTE
(Page 23)
REC/PB
LINE.MUTE
TC-SW
PLAY SW
END SW
S1
CN1
5P
CLOSE
DISC TRAY
OPEN/CLOSE
DETECT
OPEN
M901
(LOADING)
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