Technics ST-CA1080

Service
Manual
Tuner
ST-CA1080
Colour
(K)... Black Type
Areas
Suffix for
| ©) [europe
(K)
(EG) Germany and Italy.
System: SC-CA1080
Stereo Tuner
SL-CA1060 ST-CA1080
Remote Control
Transmitter
SB-CA1080 RS-CA1060 SE-CA1080 SB-CA1080
Because of unique interconnecting cables,
when a component requires service, send or
bring in the entire system.
Mi SPECIFICATIONS
i Pre-amplifier section i AM tuner section
Input
sensitivity/impedance
Frequency
range
;
PHONO
2.5
mV/47
kQ
MW
522-1611
kHz
(9
kHz
steps)
_
DCC,
(VDP;
VCR1,
VCR2)
a
~
250
mV/15
kQ
,
530—
1620
kHz
(10
kHz
steps)
Output
level
LW
144
—
288
kHz
(9
kHz
steps)
VCR1/DCC
RECOUT
150
mV/1.5
kQ
Sensitivity
(S/N
20
dB)
Frequency
response
MW
500
pV/m
PHONO
30
Hz—15
kHz/+1.5
to
—2.0
dB
LW
50
pV
DCC,
(VDP,
VCR1,
VCR2)
20
Hz—40
kHz
@ Timer section
@
Dolby
Pro-Logic
section
Clock
Quartz-lock
type
Mode
NORMAL,
WIDE,
PHANTOM
Function
24-hour
programmable;
Delay
time
15,
20,
25,
30
ms
Play
timer
(1
time),
Rec
timer
(1
time),
Sleep (120 min., 1 min. intervals)
@
FM
tuner
section
Setting
1
minute
—23
hours
59
minutes
Frequency
range
87.50—
108.00
MHz
(1-min.
intervals)
(0.05 MHz steps)
Sensitivity
1.8
uV
(IHF
usable)
Wi
General
S/N
26
dB
1.5
pv
Dimensions
(W
x
H
xD)
.
280
x
89
x
287
mm
SIN
Weight
1.75
kg
MONO
70
dB
(75
dB,
IHF)
Stereo
separation
1
kHz
35
dB
Notes:
Antenna
terminal(s)
75
Q
(unbalance)
1.
Weight
and.dimensions
shown
are
approximate.
2.
Design
and
specifications
are
subject
to
change
without
notice.
Compact
disc
player
Amplifier
Cassette
deck
Speaker
SC-CA1080
ST-CA1080
SL-CA1060
SE-CA1080
RS-CA1060
*$B-CA1080
*Made
in
PAES
Technics ORDER NO. AD9406153C2

Technics ST-CA1080 Specifications

General

Brand	Technics
Model	ST-CA1080
Category	Tuner
Language	English

Summary

SPECIFICATIONS

Pre-amplifier Section

FM Tuner Section

INSTALLATION GUIDE

Component Stacking and Placement

CONNECTIONS GUIDE

Connecting Flat Cables

FM Indoor Antenna Connection

REMOTE CONTROL OPERATIONS

Common Remote Operations

OPERATION CHECKS AND COMPONENT REPLACEMENT

Tuner and Operation PCB Checks

Procedures for checking tuner and operation printed circuit boards.

INOUT Terminal and Main PCB Checks

Steps to check IN/OUT terminal and main PCBs.

MAINTENANCE AND REPAIR PROCEDURES

IC Terminal Function Guide

Details pin assignments and functions for IC801.

Power Supply Connection Procedures

Procedures for applying power to Main and Tuner PCBs.

SCHEMATIC DIAGRAMS

System Block Diagram

Tuner Circuit Schematic

Detailed schematic for the tuner circuit.

Main Circuit Schematic

Schematic for the main signal processing circuits.

INOUT Terminal Circuit Schematic

Schematic for input/output terminal circuits.

PRINTED CIRCUIT BOARD LAYOUTS

Tuner PCB Component Layout

Shows component placement on the tuner PCB.

Operation PCB Component Layout

Component layout for the operation PCB.

ELECTRONIC COMPONENT IDENTIFICATION

Component Terminal Guides

Lists ICs, transistors, and diodes with their terminal functions.

PCB Wiring Connection Diagram

Shows how PCBs are interconnected.

SYSTEM BLOCK DIAGRAM

Signal Flow and Control Logic Diagram

Diagram showing signal paths and control functions within the system.

Signal Flow and Control Logic

Diagram showing signal paths and control functions within the system.

MAIN AND TERMINAL PCB LAYOUTS

Main PCB Component Layout

Component layout for the Main PCB.

INOUT Terminal PCB Component Layout

Component layout for the IN/OUT Terminal PCB.

ELECTRONIC COMPONENT REFERENCE

Terminal Guides for Components

Detailed terminal information for ICs, transistors, and diodes.

PCB Interconnection Wiring Diagram

Illustrates wiring between main PCBs.

RESISTORS AND CAPACITORS

Resistor Part Numbers and Values

Lists part numbers, values, and remarks for resistors.

Capacitor Part Numbers and Values

RESISTOR AND CAPACITOR SPECIFICATIONS

Detailed Resistor Specifications

Detailed Capacitor Specifications

SELF-DIAGNOSTIC MODE

Displaying Malfunction Codes

Returning to Normal Display

TROUBLESHOOTING GUIDE

U-70 Error Code: Bus Communication Error

Explains U-70 error and its correction procedure.

F-61 Error Code: Power Switch Failure

Explains F-61 error and its correction procedure.