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HCD-VX888
24
24
6-2.
BLOCK DIAGRAM – MAIN Section –
+
+
IC501
Q503
12
DBFB
CONT
Q101, 102
MUTING
CONT
Q504, 505
MUTING
Q103
MUTING
CONT
Q861
Q821, 822
R-CH
MUTING
Q862
R-CH
DBFB
SWITCH
MUTING
CONT
Q503, 504
MUTING
Q581
PROTECT
DETECTOR
Q551
OVER LOAD
DETECTOR
Q823
D502
PROTECT
CONT
Q828, 829
PROTECT
SWITCH
Q891, 892
M961
(FAN)
HEADPHONE
SW
MOTOR B+
MIC SIG
SPEANA
R-CH
PROTECT
FAN
DRIVE
Q824, 825
RY801
R-CH
RELAY
DRIVE
R-CH
TH701
+B
(+30V)
R-CH
R-CH
+
Q505, 506
OVER HEAT
DETECTOR
D841
Q831
FAN ON
SWITCH
8
4
1
2
3
7
5
12
TO
SATELLITE
AMPLIFER
(TA-DX80)
L-IN
LINE-MUTE
STK-MUTE
PROTECT
RELAY-ON/OFF
CONT-A
CONT-B
BOOSTER SW
STAND-BY LED
RELAY
DRIVE
Q831, 832
PROTECT
GEQ
CLK
CONT-A
CONT-B
BOOSTER SW
STAND-BY LED
D794
LED
DRIVE
Q794
I/
1
S796
I/
1
S752
S1001
(A PLAY)
S1002
(B PLAY)
S1003
(A HALF)
DISPLAY
S1006
(B HALF)
S1005
(REC A)
S1009
(REC B)
(DECK-A)
REEL DET
IC1001
RV1002
Q395
NORM SPEED
RV1001
M901
CAPSTAN
MOTOR
A
—
B
+
HIGH SPEED
(DECK-B)
REEL DET
IC1002
A TRG M+
A TRIG. DRIVE
Q393, 394
B TRG M+
B TRIG. DRIVE
Q391, 392
CAP MOTOR
SPEED CONT
Q1001
MOTOR
CONT
M
M
PB
LEVEL (A)
RV302
DECK-A
HP901
PB
HEAD
PB EQ
AMP
IC303
PB EQ
AMP
IC304
PB
LEVEL (B)
RV303
HRPE901
REC/PB
HEAD
ERASE
HEAD
R-CH
T301
Q301
BIAS
OSC
Q302, 303
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC101
AMS IN
TC MUTE
REC/PB/PASS
NR ON/OFF
REC MUTE
17 19
Q141
B+
(TCA+6V)
B+
(TC+12V)
A+12V
DC
BIAS
BP/SR
CONT2
CONT3
REC
LEVEL (L)
RV301
S1004
(A. 120/70)
S1008
(A. 120/70)
9 10
INPUT SELECT
IC105
R-CH
L-CH
L-CH
LOUT
J101
L
R
J402
L
R
J601
J401
L
R
VIDEO
VIDEO OUT
AUDIO OUT
GAME INPUT
AUDIO
MD/VIDEO
(AUDIO)
R-CH
R-CH
VIDEO SWITCH
IC781
AUDIO SWITCH
IC401
SWITCH
CONTROL
Q401
SURROUND SWITCH
IC103
VIDEO
SWITCH
3
2
1
CONT3
CONT2
BP/SR
REC
A
B
Q104
SW1
INVOL OUT2
+
Q396, 397
CAP MOTOR
DRIVE
PHONES
SPEAKER
TM801
J631
L
R
IMPEDANCE
USE 6-16
Ω
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: FM
: CD
: VIDEO
• R-ch is omitted due to same as L-ch.
6
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9
4
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5
1
3
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299