Marantz CD-7 - 5. MICROPROCESSOR AND IC DATA

5. MICROPROCESSOR AND IC DATA
Q102 : SAA7372GP
Pew] smo | _basereron Sd
[sot [unipolar currentinput (central ode signaling)
| 5 | DS unipolar current input (central diode signal input)
[6 [WAL [reference votage input for ABG
[eat [unipolar carte input (atelte ode signal input)
[| Re unipolar current input satelite ode signalinpui) —_——S—S—s
[12 | VSSA2—_[Fanalog ground?
[13 | SELPLL | Selects whether intemal Sock mutipler PLL eused
[14_| (SLICE | current feedback output from data sicer SS SC—~S
[16 VSSAS—_| “analog grounds
17 HFREF comparator common mode input
Iref reference current output pin (nominally 0.5VDD )
DDA2 * analog supply voltage 2
EST1 test control input 1; this pin should be tied LOW
RIN crystal/resonator input
ROUT crystal/resonator output
EST2 test control input 2; this pin should be tied LOW
Li6 16.9344 MHz system clock output
L14 11.2896 or 5.6448 MHz clock output (3-state)
radial actuator output
focus actuator output
sledge contro! output
EST3 test control input 3; this pin should be tied LOW
VDDD1(P) digital supply voltage 1 for periphery
[32] vSsoT__|“digtalgound? SSS
[-33| MOTOT | Motor ouput trversatle Gate) SSCS
subcode block sync output (3-state)
| 36 | SFSY | subcode frame sync output (3-state)
[38 [ S08 | Pte-W subooe ouiputbis stale) SSCS
[39_[VSS2__[“digialgound2
versatile output pin 3 (open-drain)
[aa [ RIEL ei output (programmable; open-ar@ry
[45_| DATA | serial data output (@-siaia)
49__[ vss03
ia
i
nN no MPM PDO] MFP] ro] sm
© N“N mi] ] M]—-] CO] Of ao) a DOO} A) O}O] 4 <
S04
STATUS
VODDSC)
2FAIL
FUG
laser drive on output (open-drain)
58
9
21D a a a} a] foal os
<1<10/0 wD) <= OO] DIO ao
Ni ™m PLO!oO
ie) DIr| >
m7
4
64 LDON
* Note : All supply pins must be connected to the same external power supply voltage.
7000 : TDA1302T
| Pin SYMBOL DESCRIPTION
[7 [04 [output of aiode ourent amplifier 4 |
[2-06 | eutpat of code current ampiieré |
[3 [03 | output of diode current amplifier 3
[S| 05 [output of aiode current amplifiers |
[6_|_02 | output of aiode current ampitier 2
7 LDON control pin for switching the laser
pT | eco |
FE equalized output voltage of sum
ee ree
Cl
| 13 | cL | externalcapacitor
reference input normally
connected to ground via a resistor
15 GND 0 V supply; substrate connection
(ground)
| 16 { LO | current output to the laser diode
0
laser monitor diode input
15 | photo detector input § (satelite) |
| 6
photo detector input 3 (central)
photo detector input 6 (satellite)
photo detector input 4 (central)
Q103/Q104 : TDA7073AT
SYMBOL DESCRIPTION
[ini tegatve npatt
[4 [ne | not connected
[6 | Nas | postive input?
[ina- [negative input?
Tn, | not connected
16 OUT1+ positive output 1
pe |
| 9 |