Sony TA-F419R Service Manual page 3

SECTION 1 SECTION 2
GENERAL ELECTRICAL ADJUSTMENTS
Ya instructi I.
Identifying the This section describes about each name of ae ae
Pa ris an d ferences this amplifier and remote commander.
Note :
Adjustment Udcation:
1. DC BIAS adjustments should be made one minute after
the POWER
switch i s turned on (POWER ON)
{MAIN BOARD]
: Pe
cae
t e
— COMPONENT SIDE —
Front Panel
2. After replacing the
power transistors, DC BAIS TP (L-CH)
TP (R-CH)
adjustments should be made.
POWER switch and STANDBY indicator
Remote contro! sensor
Function selectors and indicators DC Bias Adjustment (with no signal input)
SOURCE DIRECT button and indicator
VOLUME control and indicator Procedure :
Adjusts the sound level.
immediately after turning on the
POWER switch , the VOLUME indicator MAIN BOARD
blinks when the built-in muting circuit TP (L-CH)
activates and the unit detects shorting TP (R-CH)
of circuit of the speaker outputs or in
case of short-circuit of the inputs of DC
components. In such case, turn off the
unit and check the connected
components and speaker system.
HEADPHONES jack
SPEAKERS selector :
TONE (BASS/TREBLE) controls Adjustment Reading on VTVM
REC OUT SELECTOR Part
BALANCE control
SUBSONIC switch (TA-F519R) RV500
CARTRIDGE selector (TA-F519R) RV600
)
RV600
(R-BIAS)
BAe
(L-BIAS)
SESEE88
SECTION 3
DIAGRAMS
[0 POWER switch
2] TUNER operation buttons
TUNER: Select the TUNER mode.
{3} CD operation buttons
Kt</me1; Automatic music sensor.
player equipped with a multi-disc
changer) PR! BOARD
»: The amplifier enters the CD mode
and the CD player starts playback JOINT(C) BOARD
automatically.
@: Stop.
it: Pause. : SEC BOARD
] TAPE 2 DECK A/DECK B operation
buttons
<44/p-: Fast winding.
m: Stop.
»: The amplifier enters the TAPE 2
mode and the tape deck starts
forward playback automatically.
@: Recording.
RM-S311 it: Pause. (Only for DECK B)
VOL (Volume) +/- buttons HEADPHONE BOARD
PHONO operation buttons
START: Pressing START
automatically selects the PHONO
mode on the amplifier and starts
playback of the turntable system.
STOP: Stops playback of the TONE BOARD
turntable system.
DAT/TAPE 1 button
Selects the DAT or TAPE 1 mode.
AUX button LED BOARD
Selects the AUX mode.
SP BOARD
JOINT(D) BOARD
FUSE BOARD
INPUT BOARD
JOINT(A) BOARD
ae
a
MAIN BOARD