Realistic sct 33 schematic

Page 1

SCHEMATIC DIAGRAM

01L/R 03L/R 01 04L/R 201 013L/R 026 07 031 010
2302546E 2SC1740LN 132473 23C4560 HZ-9A 23C1740LN 23C4530 2SA1015Y 132473 23C4560
MIC AMP PRE AMP SWITCHING SWITCHING VOLTAGE STABILIZER REC AMP SWITCHING SWITCHING SWITCHING SWITCHING
I=ET1L/R 016 014 06L/R 202 012L/R 027 2026 020 2021 IC1
23K163L 230466C 23C4560 23C1740LN HZ-15-3 2306550 2301530 HZ-3A 250330 HZ-38-2 NJM45580
PRE AMP VOLTAGE REGULATOR SWITCHING FILTER AMP VOLTAGE STABILIZER SWITCHING SWITCHING VOLTAGE VOLTAGE STABILIZER VOLTAGE OUTPUT AMP
STABILIZER STABILIZER
02L/R 017 016 09L/R 011 MOD1L/R 06L/R DOLBY NEEDEND, 5ng C m0. 023 IC3
2SC1740LN 230667C 23C4560 23C4560 230571LA TM-3502 23C1741 , / ERB-12-0I uPC4557C
PRE AMP BIAS OSC SWITCHING SWITCHING VOLTAGE STABILIZER DOLBY NR SWITCHING m RECT. HEA0PHONE AMP
o o | - I _ I

R77
680

$2 DOLBY NR SN.
- Sl MONITOR SN.

INPUT SW
C7lIL SQ
1/50 MIC LINE

O O O
. -

C79

Ho
220/16 828

LINE OUT

V ' R72L C72L
L/MONO II I 4 A70 3 3/50
MIC :

HEAD
JR PHONES

C77 1470/25
R76L lOOK
R65L 220K
RVlL ZOK(B)

C465 '1' C463 C146 '1'

C468
0 . 047

R66L 33K
J 1L © 0007 LI7OOP 0.022
UMIN ---- - -- 1
152153213395 *2»
_ , , 0.022
4N czuL 1/50 R21
28 _ ______ 6 .5813 _- ..
we 5
__,¥ r-----1' C95L I RCh (Same as Lch) Rch (Same as LCh) + - -. _ 2022
-. ., at: l -------------------------- -' L- ------------------------ -14 - HZ-22-01
HDZL \ 9 RACE VOLTAGE
HP 1 g 330(1w) STABILIZER
loin Q 25 Z023
mm + I! .II a? g 35 "PX FILTER 8 Hz-SB
"2% L g a: B . SE PEAI< I0L0 SW VOLTAGE
m o'. . STABILIZER
ESSI I I \OJ
HDJL - :- 5 § I I . 2°24
.4 33 r--- T I ~ ; Hz-6B
HP2r 8 gt; I k .- 3 VOLTAGE
- A a? o STABILIZER
. Q 164 39 I I:.=é
HDlR .- .-. I . I . i E: S3-1IS3-2) z: s 2025
L - . S _J g S3 TAPE SII NEE .- 8 HZ-GB
2: E E? '2 gm .- 9 VOLTAGE
5% U mg, 21321 c 10 PROTECTOR
HP3I' UH ____________________________ _ gin; . - "TOR-U-S-AT - - -1
3 H, J" 8 I OL- n _ Io : I WI
\~~ I. ' "Q ' RCh (Same as LCh) : ' Other USA Fdsl 83$ : I ' I 91? POWER SI :
a . . . N A 1A\ 3 I '
:3 L -------------------------------- -| 020 23 F Oggelrj ISOOIIII CA AD FAZ I . ' I ' |
MONITOR SH. , I 3 :
LE03 _2 A . : r-__,
METAL IND. 81 O 51% 05 rx ' I 3 L--_I '
2m R35 TAPE SOURCE <38 :1- I ' I M501 |
W ° 1.2K L 3 T I He; - . ' ; 0.01 l
o 4w»- _ L m o CLIOZ I ' -
A g g D22 330/25 - ; :
' 33 "Mill!!! a i
I 031 . 1 ga. a g: I .
SYMBOL DESCRIPTION _ #OSITION J 51313 g, I -- m um . -. 3 I
31 Monitor . TAPE . i '1 g 330/25 I '3 JAJl 4:; A I
I 82 Dolby NR OFF r - S : -- NP" I ,, _ l
83 Tape Normal [- n g I. ACJELEQHi .I
84 Input LINE . 3 a I
, I02 :1
55 MPX 9' OUT I §§ I N o O I#
86 Peak Hold ON 5% ________________________
88 Auto/Memory Rewind STOP . I at: '5 I {y _0 1
89 Timer REC W PILOT LAMP I A 310 «3330::
50 PW .1 OFF I . : APOWER 8 A AUSTRALIA ONLY:
0 23C1162WT I I
'02 - SOLENOID I FOR AUSTRALIA AC "WV SOIIz '
M88844-M-COM 2012 MOTOR DRIVER I F 23 3 L; , :
LOGIC CONTROL _ I R02.7EN 013 021 'L __________ 0 EEE°:E_A_E_£_ 93.--;
I - VOLTAGE 152473
031 280330AL 025 025 028 D3
25A1o15y STOP. 05F . PU I SW'TCH'W SW'TCH'NG VOLTAGE 2SC4560 ERI312-01 ERB12-01 ERBIZ-OI
SWITCHING "'SB 0 2913 014 STABILIZER SWITCHING RECT. PROTECTOR SWITCHING
AUTO/MEMORY 39'1 C302 R308 2.68 182473 '
032 ngmn 3w, _ TIMER SW. 0-033 100 VOLTAGE 022 021,22 026 D29 04
23C4560 "P5 - --- --- a STABILIZEFL SW'TCH'NG 2SC1162WT ERB12-01 ERB-12-01 ER812-01 132473
SWITCHING '-I: " ° }--'-'-'Imm ___" ' __ ' ' HPS SOLENOI0 RECT. RECT. PROTECTOR SWITCHING
H. N. O O I"! 0000 DRIVER
033-35 3 33, - 2011 - === 011,12 036 024 027
23(34530 , m 3, H260 READ 3" SOLEflD SOEEEOD 1S2473 2SA1O15V 023 ERB12-01 ER812-01
LED DRIVE STOP/EJECT REC ---fllfi.lmifllfi' ' VOLTAGE SWITCHING SWITCHING ZSC4SBD RECT. RECT.
3". PREVE"S°" PAUSE REC- PLAY ' RE - ' PROTECTOR SWITCHING

SW- IND. IND. IND. "UTE

NOTE: 1. ALL RESISTANCE VALUES IN OHMS K = 1000
2. ALL CAPACITANCE VALUES IN 11F EXCEPT P"
NOTED, 0 = WE = PF R54 LIS 17C_®
3. VOLTAGE MEASURED WITH VOLTMETER FROM

- SIDE LEVEL CONTROLS AT MINIMUM AND NO
SIGNAL