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HCD-NXM4D
34
34
HCD-NXM4D
7-5. BLOCK DIAGRAM – MAIN SECTION –
IC401 (2/2)
SYSTEM CONTROL
LD MTR POS
U/D MTR NEG
U/D MTR POS
SUB TRAY OUT
SUB TRAY IN
TRAY CLOSE SW
TRAY OPEN SW
ST-E1
ST-E2
ST-E3
ST-E4
MD-E1
MD-E2
MD-E3
MD-E4
D,SENSER
EVER+4V
EVER+4V
LD MTR NEG
CLCK
DATA
DVD POWER
LD/ST MTR POS
BU U/D MTR NEG
BU U/D MTR POS
SW3 SUB TRAY OUT
SW2 SUB TRAY OUT
SW4 SUB TRAY CLOSE OUT
SW1 SUB TRAY OPEN OUT
ST-E1
ST-E2
ST-E3
ST-E4
MD-E1
MD-E2
MD-E3
MD-E4
D,SENSER
LD/ST MTR NEG
CN201
ANALOG-IN-R
R-CH
CN104
RELAY
C-IN
SR-IN
SL-IN
R-CH
ANALOG-IN-L
ANALOG-IN-L
Q102
DM-L
DM-R
SL-IN
C-IN
FR-IN
FL-IN
SR-IN
LFE-IN
ANALOG-IN-L
SIRCS
IC1050
KEY2-1
KEY2-2
S1043
S1001-1005
S1051
KEY
NETWORK
ROTARY
ENCODER
ROTARY
ENCODER
ROTARY
ENCODER
TREBLE
S1050
S1052
S1042
BASS
BASS
VOLUME
S1021-1027,1029-1031
S1032-1036
REMOTE
CONTROL
RECEIVER
KEY
NETWORK
LED
SWITCH
MUTE
SW
Q270
MUTE
SW
Q271
MUTE
SW
Q272
MUTE
SW
Q273
MUTE
SW
Q274
MUTE
SW
Q275
MUTE
SW
Q276
MUTE
SW
Q277
MUTE
SW
Q25,26
S,W
SURR-L
DVD
A MUTE
Q1041
D1050
IC391
RESET
Q391
IC701
LD/ST MOTOR DRIVER
M761
(LD/ST)
ROTARY
ENCODER
(ST U/D)
S781
IC711
U/DOTOR DRIVER
SYS RESET
VIDEO SW
VMUTE
I
2
C DATA
I
2
C CLK I/O
M-REG
IC1020
DISPLAY CONTROL/KEY CONTROL
I
I
GREID
DRIVE
Q1021
GRID
DRIVE
Q1022
GRID
DRIVE
Q1023
FL1020
FLUORESCENT
INDICATOR
TUBE
F1
F2
VF1
VP
D/D CON+9V
Q1024
T801
D1023-1026
VF2
VP
RECT
BIAS
OSC
Q23,24,40
ANALOG IN
MUTE
SW
Q3
MUTE
SW
R-ch
Q21,22
TA
MUTE
Q19,20
SW
MUTE
Q6
SW
MUTE
Q4
SW
MUTE
SW
DATA
CLOCK
17
18
M
M762
(U/D)
MAIN TRAY
OPEN/IN
S721
S731
OPEN
CROSE
M
(SUB TRAY OUT)
(SUB TRAY OUT)
S761
ROTARY
ENCODER
(MD)
S771
SENSE
SWITCH
Q751
D+3.3V
IC751
(DISC SENSOR)
• R-ch is omitted due to same as L-ch.
• Signal path
F
: AUDIO
J
: DVD
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299