Marantz CD 65 Mk2 Schematic

Page 1

6-1

BLOCK DIAGRAM
COM 2 [ SERVO CIRCUIT DECODER CIRCUIT m
. 35 P33? nIeIuL our £5515 I
N, n V A (V/l:
W n; HF mm mm. new
I w xsvs DOBM he _
I W worm SIGNAL am HFD sumu sumo 79 '5" to D A $5 A LD
L was mucosa 5C; DIGIIIII. FLTER mm 5L- we
I I M A fl a mac DUAL Dan I
32%? __ IRE; 3;: EFAE W55 m @5939 AF-R Eb " 5)
m MECHAMSM CW4 CHARGE _' PD-OC 00L
I I a an a D-cfis w _ mw_ _ _ 555]- m '
mac cw w: ssu MUTE ass: Muse use 367i mac Y
DE»
I éTZLOmS move: I Gus carve Em T #5: 2L III-ace I
mamas Ij L gfi 5595 3599 13m»
Moron RADIAL uovoe mm new: n. an an Mute l
:1 E M mo CW9 I
I l ' 55265 :21 RE SWITCH
._. LASER 3 m5
. i was I Its-6a as. I
§ * .L Tm 57m A \ \
RADIAL ERROR
I _ 32:: I great 6529 mocsssm a, an RE»d-q E an E, m gs: WE W58 TIE I
3% more BM Egan/E4 ,
-H- goats an; E: F :20; w 5 mic-4mm
I I ZD ( , I
655! IZC
V: YWAELE Ml: MC \ \ 15m 1
. . :giiims
MAINS SWITCH CIRCUIT ' 2: I CONTROL AND DISPLAY CIRCUIT LOADING ASSY I
I20 I A
I I I I ' I
-~I
| DISPLAV
-~2 F- i I
- v5 MOI. I
' _ .5. ' 505:: Egg, | , E"? H
. mt: w I I: , i_______ _____- .
33.)?
_ 43A Mama
I - 9 I D LOADING
_ .15 6656 666)
Jim
eo-ea - Control bits for radial circuit REI - Radial error signal 1 (summation of ATSB - Attenuation of Audio level In Search MUSB - Soft_Mute signal
DAC - Current output for track jumping amplified currents D$ and D4 position (Cueing) PD/OC - Phase detector - oscillator control
(Digital to Analogue Converted) REE - Radial error signal 2 (summation of CD ROM QCL - Q-channel Clock signal
DODS - Drop out detector supression amplified currents D1 and 0; Switch - Digitai Data information on disc slg- QDA - O-channel Data signal
D1 +4 - Photodiode currents RE dig - Radial error digital nal ORA - Q-channel Request Aknowladge
FE - Focus error signal RE lag - Radial error signal for LAG network CEFM - Clock Eight-to-Fourteen Modulator SCAB - Subcode clock Decoder-A to Filter-B
FE lag - Focus error signal for LAG network RD - Ready signal, starting up procedure OLAB - Clock signal Decoder-A to Filter-B SCLK-Izc - Serial Clock signal Decoder-Control
HF - HF output for DEMOD finished CLBD - Clock signal Filter-B to DAC uP (Inter IC Connection) _
HFD - HF detector output for DEMOD BPU - Radial puls after track jumping CW _ Counter Reset Inhibit SDAB - Subcode data Decoder-A to Filter-B
HF-in - HF current input Si - On/off control for laser supply and . . SDAT-IZD - Serial Data Signal Decoder-Control
. . . . DAAB - Data Signal Decoder-A to FIIter-B .
LM - Laser monItor diode Input _ focus clchIt D ABD _ Data si nal Filter-B 0 D AC uP (Inter IC Connection)
LO - Laser amplifier current output TL - Track loss signal 9 SWAB/SSM - Suboode Word/Start-stop motor sig-
MC - Motor control signal Vc - Control voltage for turntable motor DEEM - Deemphasls nal
RE - Radial error signal (amplified RE2- . . . . WSAB - Word Select Decoder-A to Filter-B
RE currents) DOB ' °'9"a °" 5'9" . wsao - Word Select Filter-B to DAC
I EFAB - Error flag Decoder-A to FIIter-B XIN _ Oscillator signal in D eocd e r- A
IREF ' Reference Current XSYS - Oscillator signal out Filter-B
MSTP - Motor start-stop signal
m - Mute signal

CS 13 569

Page 2

7'1
F1FBLM8

_RROR AMS LAP T1ME _ PLAY

1
1
1
T
TSP RACK N0 INDEX REMAIN TIME PAUSE 1
p
1 11 91:1 HE 195 BE 1
1 A > B [1 1: REPEAT 1
1 1
1 2273 13m 1
*EWH 1
1 1
1 3 x 1N4148 1
1 115
1 I1 1 H51 1
1 7 6 an? 1
1 REPEAT 1
. _ 1
1 5151514 5113 SS 51531131251559 54 SS SS 55:?" 1
11153765 LAP/REM PRDE. SELECT I
1 m1 -1 _C 1
1 1 1 SKe sxe st 1
1 3709 5m 1'1"5 W 1
510-. 1
1 '2 KEY-BUARD CONTROL SK? 1
21,2 " NEXT F.FIID PRE_V10US 1
120 KEY>BUARD CONTROL 5.3 T T131
1 as 5K4 sxa sm 1
12C 4 3 29 54 57 F W P_LAY -
T a c o c 0- c 1
21:5 ,1 18 5K5 SKB 1 SK13 1
'1 1 vss osc FDR vou END INT 11% 1
1 as 27 52 as 125 T 3| 3 D__ |
1 37m 67115 15K i
1 OPEN/CLOSE
EIAS Lax _ .
smut-j IN4I4e ° °
1 ma 15m 1
1 03% 1
1 3712 1
1 37115 1
1 5 L14. 1
1 1702 1
FUR .. 9"" BX14I7 _ ___________________________________ 1
1211 27214 L2 L29 cu
m 7 4m
1
1

0513 570