Table of Contents
Advertisement
iC
BLOCK
DIAGRAM
(TAPE
DECK)
IC
BLOCK
DIAGRAM
(AMPLIFIER)
1€351
HA12136A (Dolby-B Noise Reduction
System)
1€370 LA3246 (Pre & Mixing Amplifier
1C500 pPD75516GF-391-3B9
(Micro Processor)
a
z
2
°
|
De We IN
Se
NS
AD 'Key Jp
a
ee
og
7
o>.
UF
O
| 2
Avref
Tt
Reference Voltage of
AD
uw
2
o
wo
uw)
feces
=
rg Ne
ho Se
ae
Wor wor ner ure MEO MefMr (MH File
Pa Pv D(vPP)
[1
[eonnect a0 for
PROM
4)
(2)
(9)
Ps
pPuLL P11
CT
CO
Set Pull up Signal of AVref
Backup Time : LOW
p 6 fu/R
—s—sd| SO
CSL
Selection Control for BA3826S
| 7 ~{BAND RESET —s [| Os
Reset Control for BA3826S
| 8 ~=[BANDA
|
1/0 id Band Pass A Control of BA3826S
| 9 |[BANDB
{|
1/0
Band Pass B Control of BA3826S
| 10 [Banoc
CT S/O
Band Pass C Control of BA38265
Pir [pass
dT
OC
BASS Xpander Control Signal (LED)
[12 [DOsURR ON/OFF |
O___| Dolby Surround Control Signal (LED)
P13 [REAR VOL UP
[| OO
Rear Volume Up Signal
| 14 [REAR VOL DOWN |
O __|[ Rear Volume Down Signal
pis [ck7s22_
dT SOs
Equalizer Clock of LC7522,—
Cd
1 Malor NoKign NIA
Mik
ouTt
SW" OUT!
OUT
Age NG.
t=
Not Used (VSS
ee
18
Poa7see.
|,
| Data Signal to LC7522
H
P19 [cK7522,
CT
Od
Clock Signalto Lc7522,—
H
20> ENG
=
Not Used (058)
ee
23
24
25
26
27
28
29
30
31
32
FUNC
B
FUNC A
DO ON/OFF
DO B/C
[|
|
Dolby B/C Control Signal
HBC
SPEED
[| OT High Speed Signal for Motor HH: HIGH
PLUNGER
0-5
pphunger ON Signal — <=
ee
cel
I
1C374 CXA1298AP (Equalizer Amplifier for Record)
REC
IN
REC
OUT
(2)
LINE
OUT
(¢)
KARAOKE
Not Used (VSS)
AMSS
Not Used
(VSS
PACK A
| t__|
Pack A Detection Signal
L:ON
STOP SW
| |__|
Stop Switch Detection Signal
L:ON
1€371 MLC4066B (Quad Electronic Switch)
VDD
CNT]
CONT4
=IN4)
GUT4
OUTS
INS
33__|
VSS
rae nes If GROUNU et Se ee ee
ki Se ae on ADEE
wdere balcead deseteunh Pas
34.
|G REV
| |__|
Anti Record Detection Signal for Reverse Direction
L:ON
35
| G FWO
|__| ___| Anti Record Detection Signa! for Forward Direction
L:ON
36_|
PACK B
[| |__|
Pack B Detection Signal
L:ON
IN/CUT
OUT/IN
37
38
39
PLAY SW
[| tsi
Play Switch Detection Signal
C — " ' " ' ; ' * r L S C ' ON
PULL UP 2
|
O _—'|Set Pull up Signal of AVref_
H
MOTOR
Oh
Mover ON Signals —— 2 # == =
SP RELAY
| 0 | Speaker Relay ON Signal
—SSS—S—~—~—S—SCSCS
-20dB MUTE
[| _O
_|-20dB Muting Signal
C—"'"';CCC'*"
~oo MUTE
[| O _i([- Muting Signal
CisssCsC'CsCsCizr
POWER ON
VOL UP
VOL DOWN
CNT
SCONTROL |
GNC
C)
acc
tc
(8)
(SPEED)
t
42
43
NORM/HIGH
NORM/C
10
IN!
OUT!
OUT2
IN2
CNT2
CNT3.
VSS
CONTROL]
SWITCH
O=VSS__[OFF
1=voo__
[oN
45
REEL B
Reel B Rotate Detection
Signal
(Edge
47
REEL A
Reel A Rotate Detection
Signal (Edge)
1€375 yPC1330H (2-ch Head Select Switch )
AMSS
|
| OT
| OT
a
ae
| |
[input of Music Brank
Brank LO
| ti
infrared Ray Receiving (Remocon) Signal
| |
| Micon Data from CT Unit
foe ee NCE USCA (WSS) «2° 5h
ag lS Clock Troma T Ug
ce
|___t
TAC ON/OFF Detection Signal H: ON
pean
|
POU MO
et
ie =
Na]
|
et |
berets a
fiom Cowen
Bae
Hi 50s 4]
ieoan Ord
Ons
|
50
CT DATA
51
NC
52
CT CLK
53
P DOWN
54
INVERTOR
C
T2
L
:
L
Les
ACTIV
: Active Level
P OFF : Power Off Time
Level
56
ESET
USY
$c
EV IND
/2 IND
62
63
Nl
wn
n
ek
re)
pag
be
ng bene
bo
ae
be
we m ia)
Wiwnin
wn
WlOIN
w
—
-54-
- 55 -
Advertisement
Table of Contents
