– 11 –
CD-C662
•
AM IF/RF
Signal generator: 400 Hz, 30%, AM modulated
*1. Input: Antenna,
Output: TP302
*2. Input: Antenna,
Output: TP301
TUNER SECTION
fL: Low-range frequency
fH: High-renge frequency
IF
450 kHz
1,720 kHz
T351
*1
Band
—
530 kHz
(fL): T333
*2
Coverage
1.1
±
0.1 V
Tracking
990 kHz
990 kHz
(fL): T331
*1
Test Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
*1. Input: Antenna,
Output: TP301
*2. Input: Antenna,
Output: Speaker terminal
•
FM RF
Signal generator: 1 kHz, 75 kHz dev., FM modulated
Band
—
87.50 MHz
L303(fL):
*1
Coverage
3.4 V
±
50 mV
RF
98.00 MHz 98.00 MHz
L302
*2
(10-30 dB)
Test Stage
Instrument
Connection
Frequency Frequency
Display
Serring/
Adjusting
Point
•
Detection
Signal generator: 10.7 MHz, FM sweep generator
Detection 10.7 MHz
98.00 MHz
T352
Input: Pin 1 of
IC303
Output: TP302
IF
10.7 MHz
98.00 MHz
T301(Turn
Input: Pin 1 of
the core of
IC301
transformer Output: TP302
T352 fully
counter-
clookwise.)
Instrument
Connection
Test
Stage
Adjusting
Parts
Frequency
Display
Frequency
Adjusting
Parts
Instrument
Connection
Frequency
Display
Frequency
•
VCO Frequency
* Adjust for 76 kHz
±
200 Hz.
Notes:
After preparing the test circuit shown in Fig 11-2, connect the
Pin 13 , Pin 21 and ground of the IC303 with test circuit, and
measure the Value.
At this time, apply a standard unmodulated signal input and
adjust the VCO.
Figure 11-2
98.00 MHz
98.00 MHz
VR351*
Pin 13, Pin 21
(60 dB)
and ground
of IC303
Figure 11-1 ADJUSTMENT POINTS
Pin 13 of IC303
Pin 21 of IC303
D
G
S
10 k
Ω
TO FREQUENCY
COUNTER
FET : 2SK19 or 2SK54
MAIN PWB
AM LOOP
ANTENNA
AM TRACKING
fL
AM BAND
COVERAGE fL
IC301
FM BAND
COVERAGE fL
VCO
VR351
IC303
T352
FM DET
T333
T351
1
1
21
13
T331
AM IF
FM IF
FM RF
L303
T301
TP301
L302
BF301
TP302
R360
R381
CNP301
CD ERROR CODE DESCRIPTION
When a malfunction occurs during CD operation, an error
code will be displayed to identify the function in CD operation
which failed.
Error
State Code
0001
Cannot detect pickup in SW
0101
Tray close operation error
0105
Tray close operation error
0201
Tray open operation error
0203
Tray open operation error
0304
Disc skip operation error
0305
Disc skip operation error
0307
Disc skip operation error
