Pioneer XC-L77 Service Manual page 48
Stereo cd receiver
Hide thumbs
Also See for XC-L77:
- Operating instructions manual (142 pages) ,
- Operating instruction (48 pages) ,
- Service manual (55 pages)
Table of Contents
Advertisement
XC-L77
7.2 PARTS
7.2.1 IC
Mi PDG248A (MAIN UNIT : 1C5501)
¢ System Control IC
e Pin Function
[No.| Mark | Pin Name | VO |
| 1 |PBS/PPO13 |CDSHUT
[| O [CD Decoder (CXD2587Q) Clock control (H: OFF, L : ON)
| 2 [PB4/PPO12
{SCL
'| _O _|E-VOL (M62420FP) control CLK
Ts [pespron [wei «| O WOOFERLEVELSSC~"S*S*SC"*S*SCSCSSSCSC*SY
[4 |psmpoio wre
[0 |WOOFERLEVeL—SSOC~CSCSCSCSCSCSC"CSCSCSCSCSCSCS
[5 [PeiePoe [ScLK | 0 |Systembus CLK
SOCSC~—SCSSOSCSCSCSCSCSCSC"CS*S~*Y
Te |paorros NC
«TO OPEN),OCOC~SCSCSCSC"SCSCSC"C"C"CSCSCSCSCSCSCSCSCS
| 7 |PC7/RTO7 |SDATAI
| 1 [System bus DATA input
__L output at standby
| 8 [PCeRTOs
|SREQ
| W/O [System bus REQ _L output at standby
[9 [POsIRTOS [TUNE | 1_|TUNE signal input
[10 |pcaritos [STEREO [1 [STEREO sgnalinpt
—————SOSC~—C—"—S~—CSCSCSC'"'"'<;<CS;*SC*'C;C;SCSS
Pai |pcamros (TxDOT *(IXDATAinpt =
SSCSC~S~SCSCSCSCSCSCSC"'S*SC"s~"s~CSCStStS
[v2 [Poeproie [TxMUTE | O [IXMUTE cmt!
—SSCSSCSCSCSCSCSCSCSCSSCSCSCSCSC"'"'"'*s~'"s'"~sS~*
faa |pcweroi [pue ——S«| O IKCE OO
OCOC™~C~CSCSCSCSCSCSCSCSC"'CNSC"'"CSNCNNN
[ia [Pooprois _[ixbi_ sf O -KDATA.SOC~SCSCSOSCSCSCSSC"'"CSCSC*S*SCSCSSS
AS Po
PUK
OIG
[16 |Pi6_[RDSDATA [1 [Decoder Data input rom ADS DATA
(BUTSESF)——SCSC~C~"~*S*S*~*~S
FAN rotation detection (stop :H)
17 |PJS
ss [FANDET ~—s[_|_ [FAN rotation detection (stop : H)
| 18 |PJ4
Ss [RDSFM_~—_—si|_-O._ [RDS decoder (BU1923F) clock control (H : stop)
| 19 |PI3
«(SDA
ss.
_[E-VOL (M62420FP) control DATA
[20 [Bue
SW pat
wi)
[ai [PIT JSDATAO__| 0 System bus DATA
output
Bees =< GING = RO OREN
| 23 |PD7
ss [FLDATA
|
O_'IFL driver (LC75712/10) control DATA
|} 24 |PD6
=——sFLCLK~=—s[_O._ [FL driver (LC75712/10) control CLK
35 [pos [rice | 0 [FL aver (Cv671@/0) contol LATOR
[25 [POs J6BTOGDA 0 Commuricaton wih CO-R: Send DATATem GD WOBR
[ar [pos —JwoPow [0 |WD Power
conn
Fa poa_[SPCONT [0 [SP RELAY contra
| 29 |PD1 =~ |HPPOW__—si|_—O_|H.P AMP Power (L: after 1 second from Power-ON)
[30 [pbo__xwuTe [oO uNE woe
[ar Jp? ———[RLEDCD [0 [6D PLAY LED cornet
Faz Pre KLEDPOW | © |[STAND-BY LED oontol
FS
(=
a
a
[aa [Pte XPOWON | O_[AG RELAY conmelaah
ieee
Wen
Ole
poeta
Nee =) olor
| 37 [PHI
—sFIB)———s|-«O-[BU4052BCF control B "1
| 38 [PHO = S[FIA
sO
|BU4052BCF control A "1
F33_[MeP —__wP_[1 [Connect GN
[a0_[aST—XRESET [1 ]Wierccomputer RESET pat
Rallies ss
eames
fae" petaL eta [0 [rami resonator
[ae [EXTAL——JExTAL [1 _[oeramie resonaion
ue
ene] a
[as [Sto —__JODaTA___|[1_[belay
DATA
fae [soo noo
fore
[ar [sexo —_Joock | 1 _[ouplay BATA Gee
[ae [Perini OREO [0 [Display DATA request
48
Advertisement
Table of Contents
