Alpine 5953 - Block Diagram; Controller (CD Changer Control Unit); Audio Box (CD Changer Audio Control Unit)

5953
Block Diagram
@ CONTROLLER (CD CHANGER CONTROL UNIT)
To Audio Box (ET901)
or TUNER UNIT
KEY BATTERY 5V(VDD)
MATRIX POWER SUPPLY
$601~S620 AND GU RESET
POWER SUPPLY
RESET CIRCUIT
Q607,0609
DISPLAY
LCD601
BUS LINE
CONTROLLER BUS
Q614,0616 GND
LCD DRIVER
INTERNAL ACC 5V
«COM BUFFER
(C603 Q611,0612
BATlav BAT 14V
FOR LCD LAMP POWER ON
DRIVER POWER SUPPLY SWITCHING
Q618,0619 AND SWITCHING LED DRIVER
0401~0403 0813,Q814
INDICATOR INDICATOR KNOB
LD603~LD608 LD601 UGHTING
PL401,PL402
LD401~LD419
pace ee eases rT)
MUTING (©) Front
INPUT SELECTOR Q201~Q204
TUNER ! ISOLATOR t Reeran vote OUTPUT
N H (C203 i WITH TONE CONTROL RCA JACK
i ' (C201 ee
£7201 t eae : ©)*
LINE O
N 1 1204 1
1 i)
€T202 I 1
{SOLATOR FOR AUDIO
“se O- ! rome Sa —
{ nar MUTE DRIVE
! 1 1C202,0205 fois
Lemme ee enw 4
«COM MUTE ACC_OFF
DRIVE MUTING
Q902 901
REMOTE OUT REMOTE OUT
SHORT
a ae PROTECTION © REMOTE OUT
Q805,
TUNER
iN ye
PAUSE OUT
To
Controtier
1601
SWITCHING
PAUSE
OUT
(ET904) COA 0807,0808
or TUNER UNIT
acct ACC 5V
SWITCHING
809,0612
£1903
4P COUPLER
CONSTANT VOLTAGE
POWER SUPPLY
FOR DIGITAL CIRCUIT
1CB01
BUS LINE RESET
RESET TIME MONITOR ON/OFF CIRCUIT
1602 Q601
To CD Changer @
BUS LINE REMOTE IN REMOTE IN
Pa Aes gauss cit
4
HO @ Or Bus
{ { BUS
ATA INTERRUPT IN
.
1
©
@
{
oe
BUFTER
©
INTERRUPT
IN
t aaa Le acc2 eid
Efe oa ate a
ET902
4G