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HCD-VX3A
22
22
MAIN SECTION
SPEAKER
IMPEDANCE
USE 6-16
Ω
MIC1
J711
MIC AMP
IC712(1/2)
MIC AMP
IC712(2/2)
MIC VOL
RV712
C
VIDEO
SECTION
(Page 19)
F
E
TAPE DECK
SECTION
(Page 21)
L
AM
VIDEO/MD
(AUDIO) IN
J101 (1/2)
R-CH
FM75
Ω
FM ANT
AM ANT
ST-L
ST-MUTE
STEREO
TUNED
ST-DIN
FM ANT
AM ANT
ST-R
ST-DOUT
ST-CLK
ST-CE
R-CH
ANTENNA
FM/AM TUNER UNIT
IN F2
64
SOUND
CONTROL
CIRCUIT
INPUT
SELECT
33
66
68
67
IN D2
IN B2
IN C2
CPU
INTERFACE
32 34
D
ATA
CLOCK
LA
TCH
60
59
14
11
KEY IN2
B OUT
GRAPHIC
EQUALIZER
CONTROL
CIRCUIT
FOUT2
REC B2
REC A2
MIC IN
2
58
30
MIC IN
L+R
57
VOLUME
CONTROL
BASS BOOST
CONTROL
CIRCUIT
VOL IN2
41
VOL OUT2
72
OUT2
36
DBFB CONTROL
SWITCH
Q111
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC101
38 39
.
BB B2
BB A2
FEED BACK
SWITCH
Q112
MUTE
Q113
MUTE
Q411
MUTE
Q191
POWER AMP
IC801
14
18
R-CH
Q113
D141
D191
MUTE SWITCH
Q412
R-CH
R-CH
OVER LOAD
DETECT
Q801
RELAY DRIVE
Q431
PROTECTOR
Q435,436
OVER LOAD
DETECT SW
Q432,437
PROTECTOR
Q439
R-CH
R-CH
R-CH
R-CH
D803
DC DEFECT
SWITCH
Q433,434
R-CH
Q192
MUTE SWITCH
Q508,509
RESET SIGNAL
GENERATOR
IC502
RESET
SWITCH
Q501
3
1
+5V
RY401
L
R
TM401
J
DISPLAY
SECTION
R-CH
SPEANA
L
R
J101 (2/2)
SUPER WOOFER
J191
PHONES
J701
SYSTEM CONTROL
IC501 (3/3)
52 55 54 53
51 50 49
7
DBFB-H/L
ST
-MUTE
STEREO
TUNED
ST
-DIN
ST
-DOUT
ST
-CLK
ST
-CE
59
XRST
47
M62493-DA
TA
48 38
M62493-CLK
M62493-LA
TCH
BY
-P
ASS
L+R/L-R
6
LINE-MUTE
22
AC-CUT
12
RESET
13
X OUT
36
R
Y
-SW
3
F-RELA
Y
27
PROTECTOR IN
I
DISPLAY
SECTION
G
DISPLAY
SECTION
RESET
• Signal Path
• RCH is omitted
: TAPE PLAY
: RECORD
: CD PLAY
: TUNER (FM/AM)
: MIC INPUT
16
15
X IN
30
IIC-DA
TA
11
XC OUT
10
XC IN
X613
16MHz
X601
32.768kHz
29
IIC-CLK
2
POWER
5
CD-POWER
H
POWER
CD-POWER
POWER
SECTION
VIDEO/MD
(REC OUT)
R
1
STK-MUTE
MUTE SWITCH
Q803,804,865
TAPE DECK
SECTION
(Page 21)
(Page 23)
D
VIDEO
SECTION
(Page 20)
(Page 23)
(Page 23)
(Page 23)
42
2
3
SURROUND AMP
IC1201
41
40
XRST
I
2
C.CLK
I
2
C.DATA
I
2
C.CLK
I
2
C.DATA
T. SENS
DISC SENS
B
CD
SECTION
(Page 19)
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
8
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
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299