Technics QUARTZ ST-Z400L User Manual

5 ey 2: tole) &
m@ CONTENTS
Page Page
LOCATION OF CONTROLS ............02 00 eee eee 2 FUNCTION OF TERMINAL (PLL controller 1C901) ..... .. 10
AM LOOP ANTENNA... 22.2... ee eee ee ee es 2 BLOCK DIAGRAM. .............2205- mice eae eee 11,12
HOW
TO
PRESET
RADIO
BROAD-
SCHEMATIC
DIAGRAM
...........-..0020000.
13
~15
CAST FREQUENCIES. ............ 00002005 3,4 LIQUID CRISTAL DISPLAY (LCD)................4. 16
DISASSEMBLY INSTRUCTION... ......0.00 02a eee 5 RESISTORS AND CAPACITORS ............02000% 7
BEFORE REPAIR .... 0.0... ee ee ee ns 5 REPLACEMENT PARTS LIST. .......... 2.0200 eae 18
MEASUREMENTS AND ADJUSTMENTS ............ 6,7 EXPLODED VIEW... 1... . eee eee ee es 19, 20
CIRCUIT BOARD AND WIRING
CONNECTION DIAGRAM ............0008005 8,9
m@ LOCATION OF CONTROLS
Memory indicator Quartz lock/signal indicator
Digital Frequency display Preset-tuning buttons
FM stereo indicator
FM mode selector
(auto/mono)
( HL stand by, = on)
(FM)
Channel display —_ Band selectors] L (up)
(MW/LW) | toning
For LW broadcasts: (down)
This switch is also used to shift the reception frequency of the unit in accordance with the
transmission frequency of the broadcasting station.
When this button is pressed slightly longer, the reception frequency decreases by 0.002 MHz
(2 kHz). So, for example, to receive 153 kHz, tune to 155 kHz, and then press this button.
In order to return to the original frequency indication, press this button again.
AM loop antenna terminal
Memory
AM antenna terminal
__ routout terminal
co aurPur CONTROL; r , Fi
fhe re) 8 bd (0 © 09 WARNING DANGEROUS VOLTAGE INSIDE Oem ——~- AC inlet
s
CAUTION
09
NCT
REMOVE
SCREWS
rs
i
‘i HAN, oT o .
FM antenna terminal (3002)
[EK] area only
aN ta
i s
Control input terminal
FM antenna terminal
(75Q)
@ The power supply for this unit varied depending upon the areas. Also, the parts used for power supply are different.
So, refer to the circuit diagram and the replacement parts list;
* 220V (50/60 Hz) for Continental Europe.
* 240V (50/60 Hz) for United Kingdom.
m@ AM LOOP ANTENNA
When the AM loop antenna is connected to the rear panel, place it as far away from the set as possible to improve the sensitivity.
Precautions for attachment
®@ Do not place near
a
metal
surface
®
Do
not
lay
flat
Metal
surface
_
A

Technics QUARTZ ST-Z400L Specifications

General

Brand	Technics
Model	QUARTZ ST-Z400L
Category	Tuner
Language	English