Technics RSB 655 Service Manual

Page 2

RS 3655 RS 3655

I CONTENTS P P I FRONT pANEL CONTROLS AND FUNCTIONS
no. loo
CONNECTIONS TROuaLESNOOTINa 0F DIRECT DRIVE MOTOR,
ACCESSORIES. TERMINAL GUIDE 0F IC'S, 1 2 3 4 SJ

FRONT PANEL CONTROLS AND FUNCTIONS
RECORDING WIYH NIGH TONE QUALITY,

THANSISTORS AND DIODES

PRINTED CIRCUIT BOARDS, 2a~32
OUTLINE OF TNE DIRECT DRIVE MOTOR SYSTEM. WIRING CONNECTION DIAGRAM as --
DISASSEMILV INSTRUCTIONS" REPLACEMENT PARTS LIST (~36 -
MEASUREMENT AND ADJUSTMENT METNODES. EXPLODED Vle5.. 3140 V
TERMINAL FUNCTION OF lC's REPLACEMENT PARTS LIST n © I: ©
BLOCK DIAGRAM RESISTORS l. CAPACITORS 4244
INTERNAL CONNECTION OF FL PACKINO u
SCHEMATIC DIAGRAM. al-TECHNICAL INFORMATION _,,_ I._
{This lechnlcal Inlormallon ls locatod on pp 45-51ol lhe "
RS-ESSS Servlu Manual (Order NO. ADBQWZGICS)
Therefore. rum to thlt Servlee Manual.
I CONNECTIONS II In 9 a 7
--- AC IN SOCKEI
(Connect The AC power supply cord.)
IE Power "stlndby Olon" switch IE Flecordlng-balance control (balance)
(power standby (I) Ion") Use lhIs eonlrol lo balance the leh and nghl Sound levels
Thls swilch smells: ON and OFF lhe Sewndaly Civcuit power duma momma.
O In only, The mm is In the "slandoy" Condlllan when this switch Is
Set lo the standbyQy posmon. Regardless ol lhe swllch Mlcrophane IBCIS (MIC)
0 e Setlmg, Ihe pnmary cumult ls always "lrve" as long as The y
um» power cord IS oomeaed lo an eleancal outlet. BlaS-adlustment 00""01 (555 adIll)
MM ~ACI The lrequency response lor each tape type can be equallzed
e E Eject button (Aeject) oy usmg Ihls ponlrol.
(I m
.e The bullon can be used lo open the Cassella holder IE 0 tlon section
Ta
9 9) e E Cassette holder De
Headphones lack (phones)
1-J I: [Z] Display sectlon
E] Headphones volume COntrOl (phones level)
_ E] Recordlng-level control (rec level)
- LINE OUT lermmals (Connecl lhe Stereo connection cable) m5 wmml can be sad m regulars me rewrdmg level and
the peak level
LINE IN Ierminals lConnscl the Stereo Connection Cable)
Idea --5 >I§iiliad 40 v: -e 72 as a ,. 0 ml II? ~2Imm~rfluilz~s es «2 .7 mm as
IBM "II" II n IIIIII
I ACCESSORIES _.
nght [II II "II I ll
- Slereo Connection Cables. ,.. -AC power supply celd
(swans-3] sFDAcosan: (E, E5. I I l I

él IJEJ Léj
E! Input level meter (peak level) E} Memory-mode Indicators

Dunng playback. thls meler indlcates me level DI the recorded (memory stop/repeat)

Sound Each lndlcalor Illummeles To Show which oI lhe memory mode
Dunng repordmgr ll Ifldlcales lhe level belng reooroed, was set by me memory-mode puhons
adjusted by lhe recOvdlng-Ievsl conlrpl

[E Tape/Linear Counter
lndlcales the amour 0 lape mmemenl or elapsed llr'le

A
.
5JAT93-1:(EB) j APFIS MPX I

[[fl Tape-select indicators
The lype el laoe bemg used wlll oe aulomallcally detected
and I778 lndlcdlol wl lllmwlnale