Sanyo DC D30 - Page 42

iC BLOCK DIAGRAM (AMPLIFIER)
fwno[ stonat name [vo | —=———sescprion ——=SSSS«?SCc «SPO
| 65 [FORIND [| O [ Forward Indicator(LED) Signal —“‘C;NSC*YSCOCUFTCTCUCWLOOUOUH CO
|_ 66 {doLByR/P | | Dolby Rec/Play Control Signal —CSC~“‘“‘NSCSYSSCOCW REC OTOL
|__67 ——————————————
| 68 |DUBIN/OUT | © __| Dubbing IN/OUT Selection Signal H
| 69 [pmMuTe | Play Muting Signal
| 70 [RMuTE TO [Record Muting Signal C™~“—:CSCSCYTSC‘SSC(‘#$SNU ACC “§NN.CCWK——s—sds
[71 [RECIND TO Record Indicator(LED) Signal C“‘“CNCNCONOOUOCUNULUUOAN CO
Je DISCOMPARTY of -O — — Not Used. (085) ee ee
[73 aAvss AD Ground
|_74 |PHONO OR VIDEO | |__| Not Used (VSS) Sas eae
P75: MOTOR-OR ELECT | E. -1 —._P Not Used (VOD) See ee ee
2576. =| REMOCON Key =) Fe NOE Use (VDD) = ea a
pes da AN i = wl A NG Used VS ee ee eed
| 78 [BAND LEVELIN | |__| Band Pass VO-IN from BA3826S RAs See
| 79 [VOLLEVEL DC IN [1 | Volume Level DC OUT Seen eee
[80
[AN1
|
1
[AD
Key
Input
ees
See
P OFF : Power Off Time Level
ACTIV : Active Level
1C501 BA3826S (Band Pass Filter for Spectrum Analyzer)
Vee
LCL
IN
RIN
N.C
RO
GNO!
GND2
N.C
VEE
REGULER
CURRENT
SOURCE
1€551 LC7582 (LCD Driver) 1¢€700 STK4132MKII (AF Power Amplifier)
L-CH R-CH
OUTPUT -YcoC *V¥CC “Vcc -¥CCc OUTPUT
iC BLOCK DIAGRAM (AMPLIFIER)
1€702- 802 BU4051B (3-Input 8-Channel Multiplexer / De-Multiplexer)
16 Woo
TRUTH TABLE
[ON} CHANNEL
Tai
CONTROL INPUTS
Ca]
(a SE) a RT
sce
ec A 2
(CONTROL IN)
LOGIC LEVEL
NOM OR WD ~O
X : DON’T CARE
1€701 - 703 - 704: 706- 709-710-711
LA64585S (Dual Operational Amplifier)
a
Lobe ©-©
Vcc VouTi VIN1 VIN VEE VIN2 VIN2 VouT2 VCC
1C705 LC7522 (7-Segment Electronic Variable Resistor)
IN2 IN] IN2 INI
ANALOG _ SW
1C708 TC9153AP (Electronic Volume)
INC
INI
IN2
7
6 5 4 3
1
VSS ICLK
I
vcc
Q ~ a
a r A Zz
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TESTI TEST2