Harman kardon hk 715 service manual
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Extracted text from harman kardon hk 715 service manual (Ocr-read)
Page 2
ALIGNMENT PROCEDURES
STANDARD FREQUENCY ADJUSTMENT
INSTRUMENTS: Frequency Counter
(fr. /
ta r
STEP CONNECT OUTPUT METER T0 ADJUST ADJUST FOR - USA ADJUST FOR - HIROPE
1 Set FM switch to ON position.
2 Tuning Up or 90.1MH2 on 87.5MH2 on
Dawn Button Frequency Display Frequency Display
3 Frequency Counter to TPt TCGot 100.8MHz :1kHz reading 9e2MHz :kHz reading
and ground on frequency counter on frequency counter
4 Set AM switch to ON position.
5 Tuning Up or 1000kHz on 999m: on
Down Button Frequency Display Frequency Display
6 Frequency Counter to TP2 Confirm that frequency Confirm that frequency
and ground reading on frequency reading on frequency
counter is 1450M: counter is 1458 kHz
AM ALI G N MENT
INSTRUMENTS: AM RF Signal Generator modulated with 400 Hz at 30%.
DC Voltmeter
AC VTVM and Oscilloscope
NOTE: Set AM switch to ON position
Connect signal source to a loop placed to radiate signals into AM antenna loop stick (L201).
STEP SIGNAL SOURCE CONNECT DISPLAY SETHNG ADJJST ADNST FOR
USA EUROPE USA EUROPE
1 530m: 513kHz DC voltmeter to TP3 530kHz SlakHz L203 1V : SOrnV on
AM Mode AM Mod. and ground Dc voltmeter
2 l610f
3 455kHz 459kHz VTVM and 1810kHz 1620kHZ T201 . T203 Maxlmum output on VTVM
AM Mod. AM Mode oscilloscope to and at the same time
TP4 and ground clean wave on oscilloscope
4 600kHz 603m: Same as above 600kHz 603KH1 L201 Maximum output
AM Mod, AM Mod
5 1400kHz 1404kHz Same as above 1W2 1404kHz T0201 Same as above
AM Mod. AM Mod.
Repeat steps 4 and 5 for opflmum sensitivity