Toshiba SB 514 Service Manual

Page 2

TABLE OF CONTENTS
Page .. I Pizge

1. OPERATING CONTROLS ' I 7-6. SQ

1~1. Front View ......................................... 2 *7'7- M4
1.2. Rear View ........................................... 3 s. SERVICE POINTS .. 9
2. PARTS LOCATION V 9. TROUBLE SHOOTING HINT Io

2-1. Chassis Top View
2-2. Chassis Bottom View

1D. SCHEMATIC DIAGRAMS
10-1. General

. ll~13

3. VOLTAGE ADJUSTMENT ......................... 4 10-21 Coil Circuit Board. 14
10-3. US Short Pin Circuit Board 14
4- D'SASSEMBLY . ,10-4: Mode Circuit Board . 15
4-1, Caéinet Removal (105 EQCircuit Board ..... . 16
4-2, Back Cover Removal 10-6. Speaker Switch Circuit Board... 18
10-7. Mic Circuit Board ................ l9
5. LEVEL DIAGRAM ......................... 10-8. Accessory Circuit Board 20
e. TRANSISTOR BASE DIAGRAM ................. 6 109' Mam" Circuit B°ard~~ - 22
10-10. BTL Circuit Board . 24
7. TECHNICAL POINTS 10-11 Main Supply Circuit Board 1 i 25
7_1 Pure Complementary Circuit 10-12. Pre Supply Circuit Board . . 26
System ............................................ 7 10'13- Tone Circuit Board ' 27
7-2 Direct-Coupling Output Capacitor 10'14' Driver CW? Board -' - 29
Less Circuit System ....................... 7 10'15' Selector Circuit Board * 31
7-31 BUilt-In Special Amplifier for 11. EXPLODED VIEW ttttttt 33 ~34
Condenser-Cartridge .. 7
7-4. BTL Circuit ................. .. 7 12. PARTS LIST ................................. 35" 38
7-5. Matrix Decoder ............................. 7 ~ 8

1. OPERATING CONTROLS
1-1. FRONT VIEW

Level Meter Volume Can my]

Speaker Swtch Selector Switch

Mutiny Switch
ZCH/4 CH Switch
Mode Switch
Power Switch

Tape Monitor Switch
High Low Filter Switch
Loudness Switch

Headphone Jack

L evel Con trol
(L-cHl

Meter Sens Switch

Bass and Treble

Control Mm Level Con tral

Mic Jack

Level Control
(R-CH)