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KR-V126R
CIRCUIT DESCRIPTION
Microprocessor : .PD75108CW-041 (X14-2130-10 : 1C1)
Terminal connection
PISANT3
PI2/INT2
PII/INT1
PIOANTO
PTHO3
PTHO2
PTHO1
PTHOO
Tid
Ti
ce
3D
Votume Speed H/L
Remocon Signat
Key Input
Key Input
Key Input
Key Input
MUTE1
LC7565 CLK
MUTE3
Initial Switch
P23
P22/PCL
P21/PTOI
P20/PTOO
PO3/SI
P02/SO
PO1/SCK
POO/INTA
P123
Key Input
Key input
Key Input
Key Input
Volume IC (CX7978) ST
Switch IC (TC9162, 63, 64) ST
PLL IC (LM7001) CE
9G
Static Driver {z#PO6300C) LH
BG
£Q. IC (LC7522) ST
7G
ALL IC CLK
6G
ALL IC DATA
56
To FL.
Remocon Received LED
46
3G
E
26
ch
6
POWER
Serial BUSY
Serial OATA
0}
KR-V126R
KR-V106R
| BAND
J BAND
NO YES)
1: Diode used
0: Diode not used
© Volume IC CX7978
e PLL IC LM7001
CLK (9), DATA (10), ST (41)
CLK (2), DATA (4), ST {3)
csi (4)
CS2 (5)
M/S (6)
FRONT
Vss
Vss
OPEN or VOL
OPEN or VOL | OPEN or VDL | OPEN or VOL.
AM
The ST signal to the IC is input by differentiating the signal
Except TUNER
from the microcomputer.
¢ Switch IC
CLK (15), DATA (16), ST (12)
$1
|
$2
$3
s4
$5
$6
S7
$8
tc9162N | _EQREC
eaorec
| EGON
| EQON
DOLBY
THEATER
| STADIUM
-
TC9163N
a
;
cr :
ERHION 1 | VIDEO 1
VIDEO 2
VIDEO 3
| DEO
VIDEOS
(V1 REC)
(Vi REC)
| (viRec)
|
| (v2REC)
| (v2 REC)
AUDIO
TC91G4N | TAPE 1
CD/AUX
PHONO
TUNER
| TAPE
2PLAY | TAPE 2 PLAY | INJECTION 2
TAPE 1
(V2 REC)
=n
The ST signa! to the IC is input differentiating the signal from the microcomputer.
@ Static Driver 1C uPD6300C
CLK (12), DATA (11), LH (10)
OO (15)
O71 (16)
02 (17)
O3 (18)
Output
04 (19)
O7 (22)
05 (20)
O06 (21)
08 (23)
|
09 (24)
CATV
HEE'
(2)
1EarRec
| 4
|
Q@Mc
FM
AM
AUTO
on
PD1
PD4
014 (2)
PO2
015 (3)
PC11
Terminat
PO7
PD3
Output
010 (25)
Q11 (26)
012 (27)
013 (1)
018 (6)
:
AUDIO
TAPE 1
:
a
Dispaly
INJECTION
EQ REC
¥
:
EQ ON
SURROUND
i
Pi
Terminal
PC4
PC2
PCI
C3
© Equalizer !(C LC7522
S (13) : VEE, CLK (17), DATA (16)
11
¢@ EQ./SPI dispaly IC LC7565
$1 (15), $2 46) : VDD, CLK (18), DATA (17)
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