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5353
HCD-PX333
MAIN SECTION
AM
FM
75Ω
300Ω
J101 (1/2)
R-CH
R-CH
27
36
38
37
39
26
28
25
24
23
22
35 36
X502
32.768kHz
39 38
X501
16MHz
INPUT
SELECT
SWITCH
TONE
CONTROL
CIRCUIT
VOLUME
CONTROL
CIRCUIT
BASS BOOST
CONTROL
CIRCUIT
35
REC
25272829
21 22 20
1 2 100
30
CPU INTERFACE
SYSTEM CONTROLLER
IC501 (1/2)
F
183 5
VREF
R-CH
D881
RY881
INPUT SELECT SWITCH,
TONE CONTROL,
ELECTRICAL VOLUME
IC301
44 3243
POWER AMP
IC801
MUTING
Q806
PROTECT
DETECT
Q802,803
MUTING
CONTROL
Q552
+
26
R-CH
R-CH
+
R-CH
+
–
+
–
R-CH
TM881
PHONES
J101 (2/2)
R-CH
R-CH
RELAY DRIVE
Q881
45 48 67
R-CH
R-CH
R-CH
G
MUTING
Q101
MUTING
CONTROL
Q102
J601
H
BUFFER
Q112
BUFFER
Q111
TUNER PACK
FM ANT
FM ANT
AM ANT
GND
L
R
DOUT
DIN
CLK
CE
TUNED
STEREO
MUTE
ST->TA DATA
TA->ST DATA
ST CLK
ST CE
ST TUNED
ST STEREO
ST MUTE
92
GEQ DATA
GEQ CLK
GEQ CE
XTIN
XTOUT
XIN
XOUT
IIC HELP
IIC DATA
IIC CLK
PC POWER
STK MUTE
PROTECT
LINE MUTE
SPK RELAY
63
LED CE2
29
ST-1
REC MUTE
HEADPHONE IN
DATA
CLK
LAT
B-O
LINE
TC
CDMD
ST
T-O V-I V-O B-I OUT
LOUT
IIC DATA, IIC CLK,
IIC HELP
IIC HELP
IIC DATA
IIC CLK
LIN
96
95
RDS-DATA
RDS-INT
RDS CLK
RDS DATA
51
KBD CHK
MUTING
Q672
MUTING
CONTROL
Q671,674
6
1
5
PC LINK/
KEY BOARD
CN104
EXT ON
IIC DATA
IIC CLK
XBUSY
2
Q301
FEED BACK
SWITCH
FAN DRIVE
Q942-944
FAN SWITCH
Q676
MM
M901
(FAN)
AEP,UK ONLY
L
R
TAPE IN
(Page 52)
(Page 52)
L
R
TAPE OUT
(Page 52)
L
R
SPEAKER
IMPEDANCE
6-16Ω
• SIGNAL PATH
• R-ch is omitted due to same as L-ch.
: FM
: CD PLAY
: MD PLAY
: MD REC
: TAPE IN (PLAY)
: TAPE OUT (REC)