AC 220-
240V~
AC 110-
120V~
GND
FM
75
AM
ANTENNA
+
-
FRONT
SPEAKERS
DIGITAL
OPTICAL
(6-16 )
R
L
L
R
FRONT
+
-
SURROUND SPEAKERS
(12-16 )
R
L
SUPER
WOOFER
PRE OUT
CENTER SPEAKER
(
6-16 )
OUT
CENTER
SURROUND
SUB
WOOFER
6CH.
INPUT
Oscilloscope
AC voltmeter
Frequency counter
AC voltmeter
AG
{
(A)
(B)
X13, CN1
L-PLAY
R-PLAY
GND
28
29
30
31
RVS
FWD
NO.
ITEM
INPUT SETTING
OUTPUT
SETTING
CASSETTE TAPE
DECK SETTING
ALIGNMENT
POINTS
ALIGN FOR
FIG.
0dBs = 0.775V
I Cassette mechanism unit (Adjustment of the REC / PLAY head)
(1)
Demagnetization
and cleaning
Power : OFF
Demagnetization,
cleaning, PLAY
Recording
head, erase
head, capstan
pinch roller
Demagnetize the REC / PLAY head
with the head eraser. Clean the REC /
PLAY head, erase head, capstan and
pinch roller using a cotton swab slightly
damped with alcohol.
(2)
Azimuth of the
REC / PLAY
head
SCC-1727
TCC-153
MTT-114
10kHz, -10dB
(B)
PLAY
Adjust the output to maximum and
adjust the azimuth adjustment screw
for the Lissajours waveform pattern of
the oscilloscope to become close to a
45ß straight line.
II PC BOARD ADJUSTMENT
(1)
TAPE SPEED
(NORMAL)
TCC-110
MTT-111
SCC-1727
3kHZ
(B)
PLAY
VR5
Adjust the tape speed so that 3kHz is
obtained at the center of the tape.
III PC board adjustment.
(1)
PLAYBACK
LEVEL
MTT-150
400Hz
(B)
PLAY
VR 3 (L)
VR 4 (R)
Adjust the playback output to -2.5dBs.
MTT-256, SCC-1727
315Hz
Adjust the playback output to -5.5dBs.
MTT-256U, TCC-120
315 Hz
Adjust the playback output to -1.5dBs.
(2)
BIAS CURRENT
(A)
Adjust the AG for the
output of the DECK to
become 12.5KHz -20dBs.
400Hz/12.5kHz (AC-224)
(B)
REC PLAY
VR 1 (L)
VR 2 (R)
Record 400Hz and 12.5kHz alternately,
and adjust the bias current adjustment
potentiometer for the playback levels to
become the same.
11
RXD-803/803E/853/853E/A83
ADJUSTMENT
CD player adjustment
FIG.
No.
ITEM
INPUT
SETTINGS
OUTPUT
SETTINGS
ALIGNMENT
POINTS
ALIGN FOR
PLAYER
SETTINGS
Note:
Type 4 disc : SONY YEDS-18 Test Disc or equivalent.
LPF: Around 47 k
Ω
+ 390 pF or so.
Step 1~4 are in Test Mode.
1
1. While pressing the "DISC 3" key, turn the power on to enter the test mode.
2. Load a disc on disc 1 tray.
LASER CURRENT
CHECK
Test disc
Type 4
Connect the DC
voltmeter to
CN6(pin1 and 2)
on X32.
–
0.5±0.2V
Press the
PLAY/PAUSE key,
then confirm that the
display is 03 or 05.
Measurement Equipment Connections
Cassette Deck adjustment
