Hifi Amplifier - Philips 22Rh720 Manual

Information
22RH520
—To improve the adjustment of the power indicators
R770, R774 (2.2 10) have been replaced
—The spring of the headphone lid is supplied
4822 492 40532.
Correction in Service
R 769, 773 must be 43
- During production the quick fuses VL414/415
fuses (4822 253 30024) .
Reason: Correction
22RH521
—To reduce distortion,
R834, 984 (12 10) have been replaced
- The spring of the headphone/microphone
number 4822 492 40532.
Corrections in Service
The quiescent current
The code number of C635 must be 4822 121 40206.
22RH720
- To reduce rattling, C1409 (820 nF —4822 121 40073) has been added between junction
C1408, VL426 and mass.
—When the ferroceptor
plugs. Then, the ferroceptor
- The code number of ferroceptor
- An FM-IF alignment procedure
is given below.
22RH520
- 0m de vermogensindicatoren
meters R 770, R 774 gewijzigd
De veer van het hoofdtelefoonklepje
4822 492 40532
Correctie dokumentatie:
R 769, 773 moeten 4,3
- Gedurende de produktie
veiligheden (4822 253 30024)
Reden: Correctie in ontwerp.
ERVICE
CS36498
Service
PHILIPS
by R 770, R774 (4.7
Manual:
instead of 27
to the design.
R831, 981 (10 kQ) have been replaced by R831, 981 (5.6 1<2) ; moreover,
by R834, 984 (5.6 10) .
lid is supplied as a service part under code
Manual:
of the output transistors
falls out of the socket, strip off the plastic wire end of the ferroceptor
fits better into the socket.
S407 must be: 4822 158 60349.
which is easier than that mentioned in the Service Manual,
IND 401, 402 beter
van 2,2 naar
wordt als serviceonderdeel
zijn i.p.v. 27
zijn VL 414, 415 gewijzigd
Copyright

HIFI AMPLIFIER

HIFI TUNER
IND 401, 402, the trimming
- 4822 100 10036) .
as a service part under code number
(1.6 A) have been replaced by 1.6 A delayed
in the circuit diagram
te kunnen instellen
(4822 100 10036) .
geleverd onder codenummer
van 1,6 A snel in 1.6 A trage smelt—
N.V. PHILIPS' GLOEILAMPENFABRIEKEN
30-1-1973
22RH520/22RH521
AMPLIFIER 22RH720
R 73-2
capacitors
must be 410 mA.
zijn de instelpotentio-
- Concern Service - Eindhoven
Printed in the Netherlands