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HCD-NXM4D
33
33
HCD-NXM4D
7-4. BLOCK DIAGRAM – TUNER/TAPE DECK SECTION –
TUNER
Q25,26
Q270
R-CH
L OUT
R OUT
ST-MUTE
TUNER
ST-CE
ST D OUT
ST D IN
ST CLK
STEREO
DECK-A
DECK-B
L
R
HP901
HP901
L
R
HE901
HRP901
HRP901
TAPE
A PLAY
B PLAY
A PLAY
B PLAY
R-CH
R-CH
Q303
Q314,315
Q301,302
Q311-313
Q104
Q31,22
R-CH
L
R
R-CH
L
R
VIDEO/SAT
MIC1
J1060
J1061
MIC2
MECHANISM DECK
REC/PB
SWITCH
MUTE
SWITCH
REC/PB
SWITCH
BIAS
OSC
Q318
T301
Q316,317
BIAS
REC/PB
BIAS
SWITCH
TC REC
MUTE
Q323,324
Q321,322
IC1060(1/2)
IC1061
MIC ECHO
RV1060
A TRIG
DRIVE
100
CLK
DATA
D182
ON/OFF
(SWITCHING REGULATOR)
R-CH
CN102
SURR-L
FL-OUT
CN103
Q21,22
Q1
Q101
FL
SW
FR
SW
DBFB FEED BACK
PROTECT
STK MUTE
FRONT RELAY
HP SW
FAN CTL
SW RELAY
MIC SIG
Q341-343
Q103
Q29,30
Q140
Q33,34
FL
CLK
DATA
AMS
MUTE
AMS
BUFFER
PB MUTE
LED
SWITCH
LED
SWITCH
Q1026
D1021
D1001-1005
Q1001-1005
LED 9V
VCC
IC951
I/O EXPANDER
IC401 (1/2)
SYSTEM CONTROL
IC101
INPUT SELECT SWITCH
ELECTRICAL VOLUMEI
MUTE
SWITCH
B TRIG
DRIVE
Q401
MIC
SWITCH
UNREG+5V
SWITCHING
REGULATOR
UNREG+12V
AC-IN
SW-OUT
IN
OUT
BUFFER
TA MUTE
RV1061
IC1060(2/2)
Q903.904
REG SW
IC901
IC903
AUDIO+9V
Q901
REG
5
IC906
D+3.3V
5
IC905
D+5.5V
M+9V,LED+9V
IC902
D+3.3V
Q906
REG
DVD+5V
4
IC904
M+12V
Q902
REG SW
MIC LEVEL
ECHO LEVEL
R-CH
L-OUT
R-OUT
H
H
H
• R-ch is omitted due to same as L-ch.
• Signal path
F
: TUNER
E
: PLAY BACK (DECK A)
d
: PLAY BACK (DECK B)
G
: RECORD
J
: DVD
N
: MIC
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
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
9
8
1
5
1
3
6
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299