Sharp CD-XP110 (serv.man17) Service Manual ▷ View online
– 9 –
CD-XP110H
Test Stage
Frequency
Frequency
Display
Setting/
Adjusting
Parts
Instrument
Connection
•••••
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-range frequency
fH: High-range frequency
AM IF
450 kHz
1,620 kHz
T351
*1
AM Band
—
522 kHz
(fL): T306
*2
Coverage
1.1
±
0.1 V
AM Tracking 990 kHz
990 kHz
(fL): T302
*1
Figure 9-2 ADJUSTMENT POINTS
ADJUSTMENT
MECHANISM SECTION
•••••
Driving Force Check
Torque Meter
Specified Value
Play: TW-2111
Tape 1: Over 80 g
Tape 2: Over 80 g
Tape 2: Over 80 g
•••••
Torque Check
Torque Meter
Tape 2
Play: TW-2111
30 to 80 g.cm
30 to 80 g.cm
Fast forward: TW-2231
—
70 to 180 g.cm
Rewind: TW-2231
—
70 to 180 g.cm
Specified Value
Tape 1
Specified
Value
Adjusting
Point
Instrument
Connection
Test Tape
Tape
MTT-111
Variable
3,000
±
30 Hz
Speaker
speed
Resistor in
Terminal
motor.
(Load
resistance:
6 ohms)
resistance:
6 ohms)
•••••
Tape Speed
Figure 9-1
TAPE MECHANISM
Tape
Motor
Motor
Variable Resistor in motor
FM IF
FM RF
VR351
FM MUTE
Level
Level
T351
AM IF
T302
T306
T304
IC301
IC302
L303
L302
CNP301
FM BAND
COVERAGE fL
COVERAGE fL
AM BAND
COVERAGE fL
COVERAGE fL
AM TRACKING
fL
fL
MAIN PWB
1
1
11
12
22
20
R381
R356
R357
TP301
TP302
Adjusting
Parts
Display
Frequency
• FM Mute Level (FM ST MODE)
Signal generator: 1 kHz, 40 kHz dev., FM modulated
Signal generator: 1 kHz, 40 kHz dev., FM modulated
*1. Adjust so that an output signal appears.
98.00 MHz
98.00 MHz
VR351*1
Input:CNP301
(26 dB
µ
V)
Output: Speaker
Terminal
Terminal
Instrument
Connection
*1. Input: Antenna
Output: TP301
*2. Input: Antenna Output: Speaker Terminal
•••••
FM RF
Signal generator: 1 kHz, 75 kHz dev., FM modulated
FM Band
—
87.50 MHz
L303 (fL):
*1
Coverage
3.4 V
±
0.1 V
FM RF
98.00 MHz
98.00 MHz
L302
*2
(10-30 dB)
Test Stage
Instrument
Connection
Frequency Frequency
Display
Setting/
Adjusting
Point
•••••
FM IF
Signal generator: 10.7 MHz, FM modulated
IF
10.7 MHz
98 MHz
T304
*1
(Turn the
core of trans-
former T304
fully counter-
clock wise)
core of trans-
former T304
fully counter-
clock wise)
Test Stage
Instrument
Connection
Frequency Frequency
Display
Setting/
Adjusting
Point
*1. Input: Antenna
Output: TP301
CD-XP110H
– 10 –
TEST MODE
PLAY + DISC SKIP
test04
TIMER ON/OFF TEST MODE
FL DISPLAY:
STOP + DISC SKIP
test05
VFD DISPLAY WINDOW TEST MODE
FL DISPLAY:
VFD ALL LIGHT
FUNCTION:
TEST THE VFD DISPLAY WINDOW
PLAY + OPEN/CLOSE test08
OPEN/CLOSE & 3 DISC CHANGER AGING TEST
DISPLAY:
FUNCTION:
Enter the TEST MODE 8, MCU control the 3 DISC CHANGER OPEN/CLOSE.
After open finished, tray rotate 1 circle (360 degree). Then close, After close
finished, tray rotate 1 circle (360 degree) again.
After open finished, tray rotate 1 circle (360 degree). Then close, After close
finished, tray rotate 1 circle (360 degree) again.
Request:
Every period include 4 operation. Below is TIMING:
Enter test mode
CHANGER
Find the disc 1 position
open
delay 3S after open finish
rotate 1 circle
close
delay 3S after close finish
rotate 1 circle
– 11 –
CD-XP110H
PLAY + VOLUME DOWN
test06
FRONT PANEL KEY TEST
FL DISPLAY:
FUNCTION:
FUNCTION:
FRONT PANEL KEY TEST MODE,IF ALL KEY HAVE BEEN PRESSED 1 TIME,
THEN
PRESS THE "POWER" KEY, VFD DISPLAY "OK".
PLAY + VOLUME UP
test03
VOLUME TEST MODE
FL DISPLAY:
1. TEST 3 DISPLAY 1 SECOND. THEN CHANGE TO CD FUNCTION.
2. IN CD FUNCTION (Pickup IN CHECK DISC1 SW TOC_IL No
DISC RECEIVE OPEN/CLOSE KEY OPEN RECEIVE
OPEN/CLOSE KEY CLOSE)
3. Can change to other function [TAPE/TUNER] FUNCTION KEY PROCESS
SAME AS NORMAL PROCESS.
4. In any function within this test mode VOLUME CONTROL HAS
3LEVEL [0/23/MAX] CANCEL VOL UP/DOWN CONTINUE PROCESS
FUNCTION.
PLAY + TUNER
test02
TUNER TEST MODE
FL DISPLAY
FUNCTION
STORE 10 PRESET TUNER IN THE MEMORY [AM/FM ST]
FM test use the BAND key change from FM ST.
CD-XP110H
– 12 –
Figure 12 BLOCK DIAGRAM (1/4)
1 2 3 4 5 6 7 8 9 10 11 12 13 14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16
LOAD+
LOAD–
ROTATE
PICK_IN
DISC_SW
LOAD_SW
O/C SW
–
+
–
+
PO1–
PO1+
VO3–
VO3+
VIN3
VG3
VCC
VCC
BIAS
VG4
VIN4
VO4+
VO4–
OPO
VO2–
VO2+
VIN2
VG2
GND
GND
GND
MUTE
REG O
TRB
VG1
VIN1
VO1+
VO1–
VREF
VDET
TEBPF
TEOUT
TEN
FEN
FEOUT
GCTL
FBAL
TBAL
E
F
D
B
C
A
GND
NRFDET
OFTR
CBDO
CDFTR
BDO
3TOUT
CEA
ARF
CACC
RFIN
RFOUT
RFN
VCC
LD
PD
M
M
UP_SW
DISC_SW
LOAD SW
M_GND
ROTATE-
ROTATE+
M+
M–
M–
C
TR–
+5V
1/2V
E
A
B
F
C
GND
PD
VR
LD
FO–
FO+
TR+
ACTUATOR
FO–
TR–
TR+
FO+
–
+
–
+
–
+
–
+
–
+
VCC
LD
MON
GND
E
A
B
F
+
+
–
–
SP+
SP–
SL+
SL–
PU-IN
GND
M
M
PICKUP UNIT
SW1
OPEN/
CLOSE
SW2
DISC
SW3
UP
M3
T/T UP/DOWN
LOADING MOTOR
Q403
Q402
Q405
Q407
Q406
Q408
Q409
Q410
D403
IC402
AN22000A
HEAD AMP.
Q401
Q404
IC404
MM1469XH
FOCUS/TRACKING/SPIN/SLED DRIVER
D402
NM802
SPINDLE
MOTOR
NM801
SLED
MOTOR
M1
CD LOADING
MOTOR
SW4
PICKUP IN
IC404
LASER
DRIVER
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