Onkyo TX-7530 - LC7821 Analog Switch; UPC1161 C3 Stereo Decoder

- Sexe
LC7821 (ANALOG SWITCH)
ee DATA composition Switch
(1) Bal Bear EA ee (30) = eas
(2)
120
r=
pe
fe)
AO}
A1|A2|A3/swl
2}
3]/4]5]6]7
(4) Lae bd [| Ba — jens (27) . °
(5
)LCOMIO
ORCOMI(
26
)
ADDRESS
x
fo
0
_
° a - c
(6) Lso-7 Ba Ba — ors (25) Zz 9 wi ot u = a
(7) 160 | past | ORE (24) 7° 56646 &
fer itomMes popcmet 2s) = PP sep nee ise Ca ole
(9) L7e Ba (—tA | ORT (22)
{10) 180 pay TL + ORB (2!) The source becomes ON when the bit of switch becomes
(11 LCOM3e | TTT | ORCOMS 20 ) high
(19) wooo |
(16) Vss0—— rf
(12)
veeot
Le
SY
§
4
i
(14)
(18)
RESo+q>
Rpr<appeck
(15)
(17) | ‘i al ata (13)
[ Pin No. Terminal Description Pin No. Terminal Description |
] PHONO 16 Vss Ground terminal.
: a ONER 17 S Selector terminal. ; |
4 VDP : ean 18 RES ~| Reset terminal. When power is turned
Input/output terminals of audio signal ve :
5 LCOM 1 i ON, the condition of the analog switch
6 VCR PB of left punta ae Caan is not determined, but when this ter-
7 TAPE 1 PB Control to the inside analog switch at minal is “‘L”’, all analog switches are
8 LCOM 2 the serial data. | | OFF.
9
|
VCR
REC
|
10 TAPE 1 REC Power supply terminal. (+15V)
ae AC 21 | TAPE LRE
12 Vss Negative power supply terminal. 22 VCR REC c
(-15V) 23 | RCOM2
13 CE Chip enable terminal. Connect to SEL 24 | TAPE1PB_ | Input/output terminals of audio signal
Serotinal of EOS eS HA 6%3: = vent Cone Cri nade analog switch at
14. | Di Serial data input terminal. Connect to so lee the serial data.
DATA terminal of LC6868H-3643. 28 TUNER
15 CL Serial clock input. terminal. Connect to 29 CD
CLOCK terminal of LC6868H-3643. 30 PHONO
#PC1161C3 (STEREO DECODER)
vco
j 76 kHz
STEREO
MONO SW
vco sToP
Sw
38 kHz
ODIVIOER
PHASE STEREO SW i
LOCK
DETECTOR
| 76 kHz To eal 38 kHz To Ea 38 kHz To
ID kHz
PILOT
PRESENCE LAMP
DETECTOR DRIVE
—10—