JVC CA-MXS3BK Service Manual page 29

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CA-MXS3BK
M
HD404719A28FS(iIC901)
: System controller
| POWER _|
REV REC_|
KARAOKE | POWER
FWD REC
BASS
Al SLEEP
ENTRY
IN7
DOLBY B
REV. MODE
CD D REC
BP
H.S.D.
REC P
Az
§
HD404719A28FS
3
ee
ee
24
41
HALL
DISCO
3. Terminal
Functions
T7[ int [7 [Betecting buttons and switches |
[3 [Prt [1 [input from protector cireuit_—*
[4 [ab GND |—[éround for AD converter ——~d
[5 _| awpneser | 1 [Reset signal from
iceo1S—~S
[6 _osc1_[—|oscliasion
terminal ——SSS—*S
[7 |osc2 |= Joscillasion terminal
SS
Te [iano [-jeno OO
9
— [= Kconnected to
GND
Tio |__— |= [connected to
GND
Tat_|TE¥ | [Connected to +5V
Piz _[_+sv_ |= [rower supply
Ss
Tacs
P13 | Bes | 1 [oes signal
input}
53 [es
P14 [BESOUT [O [pcs signal output
—__—————~d sa] ast
[15_| FADE [0 [Fade recording control
| 88] cso
16 | Bias | 0 as circuit control (on/off)
+
SMT
[17] ACAP [0 [owe sna forte capstan menor oh acca |
6
18 _BCAP [0 [orve sont for the aptan mower of deck
[19 |_amc [0 [Speed control signal for deck A
[20 | ~amc__|o [speed control signal for deck 8 |
P21 aris [1 [input of reel pulse (Deck a)
Symbol
{1/0
Function
BFR
BRR
BRC
BFC
AFR
wD
eel motor control signal (forward)
eel motor control signal (reverse)
am motor control signal (counterclockwise)
am motor control signal (clockwise)
eel motor control signal (forward)
eel motor control signal (reverse)
am motor control signal (counterclockwise)
am motor control signal (clockwise)
onnected to GND
nput of mechanism information (deck A)
DlOlo;D
RC
a)
|
a
ASC2
ASC1
Ns
v1
WIN
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ro)
(a)
a
[%,)
|
SIS
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TD
FO
[oO
fo
c\
joe
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yc
et
bt
let
fet
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SS eS
3/3/3113
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oe
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a
ss
a a
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°
4 3 ®
of
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= a ®
cal
wr
wo
2
=
nput from remote signal detector
WIAD
RCK
AD SCK
sja
fon)
an a Vpuiun
22 | 8Pts | input of reel pulse (Deck 8) | 62
Clock output to 1C603
[23 | RMT [0 Recording mute control
| 63] I [© [bata output to 1c803
(NO. 20373)
1-29

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