CD-C831W
ADJUSTMENT
MECHANISM SECTIONY FM
? Driving Force CheckNotes:
1: Description of the "FM IF Adjustment" is not carried on this
Torque MeterSpecified Value
Manual. It is because the IF coil in the FM front end section
Play: TW-2412Tape 1: Over 80 ghas been best adjusted in the factory so that its further
Tape 2: Over 80 gadjustment is not needed at the field. When replacing the
? Torque CheckFM front end assembly, no adjustment is needed either.
2: The parts in the FM front end section are prepared in a
Torque MeterSpecified Value
complete unit, so you can't obtain each part individually
Tape 1Tape 2
Y FM Mute Level
Play: TW-211130 to 60 g. cm30 to 100 g.cmSignal generator: 1 kHz, 40 kHz dev., FM modulated
Fast forward: TW-2231N50 to 100 g.cmFrequencyFrequencyAdjustingInstrument
DisplayPartsConnection
Rewind: TW-2231N50 to 100 g.cm
98.00 MHz98.00 MHzVR351Input: Antenna
? Tape Speed
(25 dBmV)Output: Speaker
Terminal
Test TapeAdjustingSpecifiedInstrument
PointValueConnection
NormalMTT-111VRM13,000 ?SpeakerCD ERROR CODE DESCRIPTION
speed30 HzterminalWhen a malfunction occurs during CD operation, an error
code will be displayed to identify the function in CD operation
TUNER SECTION
which failed.
fL: Low-range frequency
fH: High-renge frequencyErrorState Code
? AM IF/RF0001Cannot detect pickup-in SW
Signal generator: 400 Hz, 30%, AM modulated
0101Tray close operation error
Test StageFrequency FrequencySetting/Instrument0105Tray close operation error
DisplayAdjustingConnection
0201Tray open operation error
Parts
0203Tray open operation error
IF450 kHz1,602 kHzT351*1
0304Disc skip operation error
AM BandN531 kHz(fL): T306*2
Coverage1.1 ? 0.1 V0305Disc skip operation error
AM990 kHz990 kHz(fH): T302*10307Disc skip operation error
Tracking
*1. Input: Antenna, Output: TP302
*2. Input: Antenna, Output: TP301
TAPE MECHANISM PWB
VRM1
SWM1
TAPE
FASSPEED
SW
TUNER PWB
TP301
SO301
R336
ANTENNA
VR351
T351
TERMINAL
AM IF
FM MUTEFE301
TP302IC303LEVEL
R357T302
T306
AM
AM BAND
TRACKING
COVERAGE
Figure 10 ADJUSTMENT POINTS
� 10 � |