Technics QUARTZ SA-R177

ORDER NO. AD8907222C3
Service
Manual
Receiver
CYUARTZ
Synthesizer
S
A-
R
4
77
AM/FM Stereo Receiver
Color
(K)... Black Type
Area
Country
(gn)
SPECIFICATIONS. nin 45 500)
AMPLIFIER SECTION
Power output Headphones output level and impedance 430 mV/330 Q
DIN 1kHz 2 x 50W(8Q) Load impedance
40 Hz~ 20 kHz continuous power output AorB 8O~160
both
channels
driven
2
x
40W(8Q)
A
and
B
8
Q~16
0
Total harmonic distortion
rated power at 40 Hz~ 20 kHz 0.3 % (8 Q) @i FM TUNER SECTION
half power at 1 kHz 0.07 % (8 Q) Frequency range 87.50 ~ 108.00 MHz
intermodulation distortion Sensitivity
rated power at 60 Hz: 7 kHz= 4:1, SMPTE, 8 Q 0.5% SIN 30 dB 1.5 pv (75 Q)
Power
bandwidth
SIN
26
dB
1.3
WV
(75
Q)
both channels driven, —3 dB 10 Hz~40 kHz (8 Q) SIN 20 dB 1.2 pV (75 Q)
Damping
factor
__
20
(8Q)
IHF
usable
sensitivity
1.5
pV
(IHF'58,
75
Q)
sr pclae and impedance so ileres IHF 46 dB stereo quieting sensitivity 22 pV/75 Q
mv/4
CD, VCR 1, TAPE/VCR 2 200 mV/22 kQ ste eri almontion soe
PHONO maximum input voltage (1 kHz, RMS) 150 mV STEREO 03 9%
SIN
Sin
=
rated
power
(8Q)
MONO
60
dB
(75
dB,
!HF)
PHONO
70
dB
(IHF,
A:
80
dB)
STEREO
58
dB
(7!
dB,
IHF)
Seatac 2 SO/GE (IRIE 20 Oe) Frequency response 20 Hz~15 kHz, +1 dB ~—-2 dB
PHONO
RIAA
standard
curve
lee
tiled
selectivity
fe
oe
+0.8 dB (30 Hz~ 15 kHz) ;
4
CD, VCR 1, TAPEIVCR 2 10 Hz~70 kHz (+3 dB) Ermeceeaieeue of :
5 band graphic equalizer 80 Hz, —10 dB~ +10 dB Spurious response rejection at 98 MHz 70 dB
ee eae eupresion 8
2, Stereo separation
4 kHz, —10 dB~ +10 dB 4 kHz 40 dB
12.5 kHz, -10 d(B~+10 dB 10 kHz 30 dB
Loudness control (volume at—30 dB) 50 Hz, +9 dB Carrier leak
Output
voltage
19
kH
—30
dB
(—3§
dB,
IHF
VCR 1, TAPEIVCR 2 REC OUT 200 mV ante ero ia dG. iB
Channel
balance,
250
Hz~6,300
Hz
md
Channel
balance
(250
Hz~
6,300
Hz)
+1.5
dB
Channel separation 55 dB Limiting point 1.2 uv
i echnics Matsushita Electric Industrial Co., Ltd.
Central P.O. Box 288, Osaka 530-91, Japan

Technics QUARTZ SA-R177 Specifications

General

Tuning range	FM, MW
Damping factor	30
Input sensitivity	2.5 mV (MM), 150 mV (line)
Frequency Response	20Hz to 20kHz
Input Impedance	47kΩ
Dimensions	430 x 125 x 300mm
Output	150mV (line)
Speaker load impedance	8 ohms
Channel separation	55 dB (1 kHz)

Summary

Receiver Specifications

Amplifier Section Specifications

Details power output, harmonic distortion, intermodulation distortion, power bandwidth, damping factor, input sensitivity, and frequency response.

FM Tuner Section Specifications

Details FM frequency range, sensitivity, signal-to-noise ratio, and total harmonic distortion for mono and stereo.

Unit Operation and Connection

Equipment Connection Guide

Illustrates and describes connections for speakers, antenna, remote control, and input/output terminals.

General Unit Information

Provides details on power consumption, power supply, dimensions, and weight of the unit.

Initial Setup and Operation

Pre-Operation Guide

Instructions on voltage selector adjustment and important notes for safe initial setup.

Remote Control Operation

Overview of the remote control transmitter and its button functions for various operations.

Included Accessories

Lists all items included in the package with the receiver.

Front Panel Controls

Amplifier Controls

Disassembly Instructions

Protection Circuitry

Repair and Adjustment Procedures

Before Repair Procedures

Safety instructions and procedures to follow before initiating any repair work on the unit.

Measurements and Adjustments

Procedures for measuring and adjusting various circuit parameters for optimal performance.

FM Adjustment Procedures

IC Terminal Functions

System Diagrams

System Block Diagram

Visual representation of the internal signal flow and main functional blocks of the receiver.

FL Display Internal Connections

Diagrams showing the grid assignment, pin connections, and anode connection table for the FL display.

Circuit Schematics

Component Layouts

Wiring and Assembly Diagrams

Wiring Connection Diagram

Illustrates how internal components and external connections are wired together within the unit.

Exploded Views

Visual breakdown of the unit's components, showing their relative positions for assembly and disassembly.

Parts List

Component Details

Resistors and Capacitors

Detailed list of all resistors and capacitors used in the unit, with their values and part numbers.