Realistic qta 770 service manual
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Page 1
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QTA-770
CD-4~SQ FOUR CHANNEL STEREOMAX RECEIVER
Catalog Number: 31 -4016
Service Mama w
CUSTOM MANUFACTURED FOR RADIO SHACKEA TANDY CORPORATION COMPANY
Page 2
CONTENTS
SPECIFICATIONS
BLOCK DIAGRAM
DISASSEMBLY INSTRUCTIONS
DIAL STRINGING DIAGRAM
CHASSIS LAYOUT
ALIGNMENT PROCEDURES
LEVEL DIAGRAM
ALIGNMENT POINTS
TROUBLE SHOOTING
0019 TUNER BOARD
. 0021 TONE AMP BOARD
. 6037 MAIN AMP BOARD
7100 CD-4 DEMODULATOR BOARD
7101 SWITCH BOARD
8024 POWER SUPPLY BOARD
TRANSISTOR & IC LEAD IDENTIFICATION
E LECTRICAL PARTS LIST
, MISCELLANEOUS PARTS LIST
. EXPLODED VIEW
. SCHEMATIC DIAGRAM
PAGF
3-5
8&9
10- 1 4
15
16
1 7-22
23-24
25
25
278128
29
3D
31
32743
44-45
47
SEPA RATE SH EET