Roadstar CD801MP/FM User manual

R
PLL SYNTHESIZER STEREO RADIO WITH
COMPACT DISC PLAYER DIGITAL
OPEN
MODE PWR SEL
P-EQ
ILL
AMS
MP3
EJECT
DSP
1 PAU
8
7
9
2 SCN 3 RPT 4 SHF 5 6
PTY
LOU
BND
ENTER
AF
TA
TUNE/TRACK
CAR CD/MP3 PLAYER
VFD
AUDIO
ADJUST
R
D
S
MODEL: CD801MP/FM

2
CONTENTS
Page
Disassembly Instructions ·······················································································································3
Disassembly Diagram····························································································································4
Operation check ··································································································································5
Block Diagram ·····································································································································6
Alignment Locations······························································································································7
Alignment Procedures····························································································································8
Printed Circuit Boards····························································································································9
Wiring Diagram ···································································································································16
Exploded Views (Panel)·······················································································································17
Exploded View Parts Lists (Panel)········································································································18
Exploded Views (Cabinet)····················································································································19
Exploded View Parts Lists (Cabinet)·····································································································20
Exploded Views (Deck)························································································································22
Exploded View Parts Lists (Deck)·········································································································23
Schematic Diagram·····························································································································25
Electrical Parts List·····························································································································27
Specifications ·····································································································································34

3
DISASSEMBLY INSTRUCTIONS
1. Using the unlock key that came with the unit or a similar tool, unlock the Mounting Box and remove
toward the rear of the unit.
2. Remove the screw (A) located on the rear of the top cabinet and remove the Top Cabinet.
3. Remove two screws (B) located on the rear of the bottom cabinet then remove the Bottom Cabinet.
4. Remove two screws (C) (one located at the left side and one located at the right side of the Front Bracket)
then remove the Hooks.
5. Remove the Front Panel and the Ring.
6. Remove two screws (D) from each side of the base then remove the Base.
7. Remove two screws (E) from the front bracket and remove two screws (F) from the rear cabinet.
8. Remove two screws (G) from the front deck bracket then remove the Front Deck Bracket.
Remove two screws (H) from the rear deck bracket then remove the Deck and the Rear Deck Bracket.
9. Remove the screw (I) and three screws (J) from the Heat Sink then remove the Heat Sink and the K7377 Heat
Sink.
10. Remove the screws (K) and remove the Antenna Clip.
Remove the screw (L) and remove the Wire Clip.
11. Remove two screws (M) from the rear cabinet of the right side then remove the IC7805 Bracket.
12. Remove five screws (N) from the main board then remove the Main Board.
13. Remove four screws (O) from each side of the rear cabinet then remove the Front Bracket and the Rear
Cabinet.

4
DISASSEMBLY DIAGRAM

5
OPERATION CHECK
GENERAL SPECIFICATIONS OF SIGNAL
Standard frequency
Signal output
Modulation
FM
MW
LW
FM
MW
LW
MW
FM Stereo
98.1 MHz (87.5, 108.0 MHz)
1000 kHz (522, 1620 kHz)
200 kHz (144, 288 kHz)
1mV
5 mV
5 mV
400 Hz 30% MOD.
1 kHz 75kHz DEV.
46% for L only or
R only pilot level 8%
AF output level FM/MW/LW
Power source voltage DC 14.0V (Backup voltage is the same as this)
AF load impedance 4 ohm pure resistance
Balance Center position of level
Tone Center position
The signal strength read in this section is voltage on the antenna.
Test Diagram
FL.
SPK.
FR.
SPE.
BACK UP (14.4V)
GROUND
POWER ANTANNA
MPX
STEREOS
MODULATOR
FM SG
AM SG
DUMMY
ANTANNA
VTVM
VTVM
DISTORTION
METER
ACC (DV14.4V)
SPK.
RR.
SPR.
RL.
MAIN UNIT
4-SPEAKER 4-SPEAKER 2-SPEAKER
FRONT
SPK.
SPK.
FRONT
2-SPEAKER
ANT

6
BLOCK DIAGRAM

7
ALIGNMENT LOCATIONS
FM TUNER BOARD

8
ALIGNMENT PROCEDURES
FM ADJUSTMENT
Equipment Required
lAM IF/RF signal generator
lSolid-state voltmeter (SSVM)
lRegulated DC power supply
l2-CH voltmeter
lDistortion meter
FM Alignment Using FM Signal Generator
Note: Press the radio power switch to on the radio. Signal generator output must be kept as low as possible
to avoid overload and clipping.
Step Generator
Coupling Generator Display Setting Adjustment Remarks
IF FM RF signal
Generator to
Antenna
input.
10.7 MHz
Sweep
output
60 dBµV
98.1 MHz T101 Adjust so that maximum AF
output power and
minimum distortion
76 kHz
Pilot
Modula-
tion
Signal
generator
to antenna
receptacle
75 kHz Dev
45% for L only
or R only pilot
level 10%
98.1 MHz VR105 Adjust to
76 kHz
-3 dB
Limiting
Sens.
Signal
generator
to antenna
receptacle
60 dB/µV
Output.
98.1 MHz VR101
Adjust VR101
Making -14dB
(±2dB) Limiting
Sensitivity.
FM SNC
Adjust-
ment
98.1 MHz
Dev. 45 kHz
L+R=90 %
Int. 1 kHz
60dBµV output
98.1 MHz
@ 40 dBµ 98.1 MHz VR106
VOR -VOL = 10 dB
(±3 dB)
FM
Stereo
S/N
Signal Generator
Connected to
Antenna
98.1MHz
Int. 1kHz
Dev. 75kHz.
98.1MHz VR104 Adjust VR104 FM Stereo S/N is the
optimum.
Auto
Stop
Sens.
Signal Generator
Connected to
Antenna.
98.1 MHz Int. 1kHz
Dev. 75kHz
28 dB/µV.
98.1 MHz
VR107 Adjustment AF to stop station.
Note: The tuner module is well-adjust and adjustment is not recommended.

9
MW ADJUSTMENT
Equipment Required
lAM IF/RF signal generator
lSolid-state voltmeter (SSVM)
lRegulated DC power supply
l2-CH voltmeter
lDistortion meter
AM Alignment Using AM Signal Generator
Note: Press the radio power switch to on the radio. Signal generator output must be kept as low as possible
to avoid overload and clipping.
Step
Generator Coupling Generator Display Setting Adjustment
Remarks
AM
Seek
SENS.
Signal
Generator
to Antenna
receptacle.
1000 kHz
Input level
25dBµV
1000 kHz VR1 Adjust AF
Stop station.
Note: The tuner module is well-adjust and adjustment is not recommended.

10
PRINTED CIRCUIT BOARDS

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
SGND
SPDLO
RFO
SGND AGND
DGND
CDCLK
CDCLK
LOCK
EFM
AGND
ADATA
LRCK
BCKI
GND
ADATA
BCKI
CDBCK
CDLRCK
CDDATA
ACLK
GND
GND
GND
GND
GND
D3
D2
D0
D1
GND
GND
GND
GND
GND
GND
GND
GND
LCH
RCH
GND
GND GND
RESET
GND
GND
SL-
SL+
SGND
GND
GND
AD/SW
SGND
GND SGND PWMOD
SGND
LD
PD
AC
BD
F
E
OPTION
OPTION
OPTION
OPTION
MP3INT MP3DIN MP3MLAT MCK2 MDATA
OPTION
SGND
SGND
SGND
SGND
GND
{Doc} A
CDX3.6.3(MP3)
A3
1 1Saturday, August 04, 2001
Title
Size Document Number Rev
Date: Sheet of
AGND
AGND
SGND
SGND
SGND
AGND
AGND
GND
GND
GND
R14 180K
R60
82K R21
150K
R28 15K
R59
82K
C32 open
R22
150K
C25 104
C18 104
C33
153
R62
82R
EC10
47U
R61
82K
R58
82K
C41 103
R18 30K
C57
222
C27
104
R71 open
C45 391
R13 47K
Q1
2SA812
C24
104
C42
103
C19 224
R20
220K
C51 683
C46 391
R23 0
C34
2P
C35
8P
R53
1K C36
472
C37
102
R12
10R
EC9
47U
EC4
4U7
C11
104
C38
103
R51 3K9
C26
104
R39 270K C43 474
R1 47K
R3
10K
C30 103
C31 333
C29 474
R6 20K
R71M
R2
22K
R8220K
C66
103
EC12
10U
R29 47K
R15 68K
C39 104
C13
104
C5
222
C12
104
C65 104
C44
103
R52 8K2 C10
104
R4 8K2
R31 150K
U5
SIL9226
1 3 2 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 29 30 31 32 33 34 35 36
37
38
39
40
41
42
43
44
45
46
47
48
RFM EQI RFO EQO EFNI VCC FRSH FSET FIB FGD FSI TGU
ISTAT
MCK
MDATA
MLT
RESET
CLV1
WDCK
LOCK
EFM
ASY
SPM
SPO
SLM
SLO
SLP
TEM
TEO
FEM
FEO
SGND
TZC/SSTOP
TEIO
LPFT
ATSC
LD
PD
PDAC
PDBD
PDF
PDE
DCB
MCP
DCCI
DCCO
VREF
EQC
C28
222
C28
222
C64
33P
X3
16.9344MHz
R791M
C63
33P
R55
2K2
R78 3K3 R5 8K2
R56 15K
C70
open
EC3
10U
R77 120K
C14
104
C15
104
EC2
10U
C67
OPEN
C59
OPEN
46.VDDA_DAC
47.LCHOUT
48.VDDA_PLL
U6
S5L9290
1
3
2
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
29
30
31
32
33
34
35
36
37 38 39 40 41 42 43 44 45 46 47 48
VSSA_PLL
VSSD_PLL
VCO1LF
VDDD_PLL
VDDD1-5V
XIN
XOUT
VSSD1
EFMI
LOCK
SMEF
SMDP
SMSD WDCK TESTV LKFS C4M RESETB MLT MDAT MCK ISTAT SOS1 SQCK
SQDT
MUTE
VDDD2-3V
VSSD2
VDDD3-5V
SBCK
JTTB
C2PO
DATX
SADTO
LRCKO
BCKO
BCKI
LRCKI SADTI
VSSD_DAC
VDDD_DAC
RCHOUT
VSSA_DAC
VREF
VHALF'''
C68 OPEN
C69
OPEN
C58
OPEN
R56
open
R68
0
C17
104
C67
104
EC14
100uF
C16
104
C54
104
R80 1M
X1
16.9344MHz
C1
33P C2
33P
C7
104
C3
821 C8 104
C53
104
R54 2K2 C60 103
C47
22PC48
22P
R811M
U7
4M IC
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
16
17
18
19
20
D0
D1
WE
RAS
A9
A0
A1
A2
A3
VCC A4
A5
A6
A7
A8
OE
CAS
D2
D3
GND
U4
16M IC
1
2
3
4
5
6
7
8
9
10
11
12 13
14
15
16
17
18
19
20
21
22
23
24
VCC
DQ0
DQ1
WE
RAS
A11
A10
A0
A1
A2
A3
VCC VSS
A4
A5
A6
A7
A8
A9
QE
CAS
DQ2
DQ3
VSS
R49
2K2
R16
100K
C49
152
C52
104
C4102
R17
100K
C50
152
R351K
R361K EC11
10uF
EC13
10uF
C6
102
J4
SPINDLE
1
2
SPINDLE-
SPINDLE+
R64470K
R73
220K
R42 68K
SEL147K
SEL3
190K
SEL4
open
J5
SENSOR
3
2
1
GND
EJ END
LD START
JR424K
JR115K
JR30
R40
47K R41
39K
SW1
CHUCK S/W R46
39K
R30
39K
D1
EL-23
D2
EL-23
R63 68R
R74
5K6
R72
open
C40
103
J1
FEED
1
2
FEED+
FEED-
R9
39K
R37
1K R76
8K2
C56
104
U3 KA9259
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
D01.1 D01.2 DI1.1 DI1.2 REB REO MUTE GND DI5.1 DI2 DI2.1 DI2.2 GND DI5.2 DO5.1
DO5.2 DO3.1 DO3.2
DI3'
VCC1 VCC2 VERF
DI4.1 DI4.2
DO4.1 DO4.2
GND
R380
R75
open
R430
R44 0
C55
104
EC8
100uF C21
104
R67
470R
R32
2K2
Q3 A1504
R65 1K
Q2
C4375
ZD1
3V6
EC6
100uF
ZD2 2V
C20
104
R57 15K
R33
47K
R34
47K
JR2 0
J3
1 2 3 4 5 7 6 8 9 10 11 12 13 14 15
CDP LCH
A_GND
CDP RCH
B/UP(5V)
RESET
ACC(CDP ON)
SENS1IN
CDPBUS
POWER RQ
8V DC
DGND
SENS1O
3V DC
CD-1
CD DATA
EC1
100uF
R26 2R2
R70 open
R25 0
R24 2R2
C22
104 EC7
100uF
C23
104
EC5
100uF
J6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
FO+
TR+
TR-
FO-
SGND
LD
VR
MD
F
A
D
C
B
E
VEE
VREF
VCC
15 PLL_BYPASS
U1
S5L9274
2 3 4 5 6 7 8 9 10 11 16 13 14 12 1
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
15
XI XO XOUT CLK RESETB PLLO VDDA PLLO VSSA PLLO VBBA FILTER_0 PLL1 VDDA VSS PLL1 VBBA FILTER_1 PLL1 VSSA VDD
VDD
ACLKEX
CDP/CLK
CD/DATA
CD/LRCK
CD/BCK
CD/C2P0
ACLK
BCLK
LRCK
ADAT
EMP
ETYPE
NC
NC
VSS
VDD
MCU_CLK
MDAT
MCK
MLAT
MDOUT
MINT
SCAN_EN
TEST1 TEST2 TEST0
DDAT0 DDAT1
WEB
RASB
VSS
VDD
DDAT2
DDAT3
CASB
DA08
DA07
DA06
DA05
DA04
DA09
DA00
DA01
DA02
DA03
OEB
VSS
'
X2
4.5MHz
SEL2
47K
J2
SLED/ORGS/W
1
2
3
4
SLED+
SLED-
SLORG_IN
SLORG_OUT
R19
24K
R48
4K7
U2
RS9701 OR RS9702
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 29 30 31 32 33
34
35
36
37
38
39
40
41
42
43
44
8CMM LKFS SQDT SLEDORG ORGIN ISTAT OPTION1 OPTION2 AVSS FEEDF FEEDR
SOS1
BUSIN
CDON
LSTART
MCK2
VDD1
MDATA
MP3DIN
MP3MLAT
MP3INT
GND
NC NC
RESET
X2 X1
GND
VDD
ISTAT2
JITB
NC NC
MLT
SQCK
POWERON
GND
CDPRES
BDATA
BUSOUT
MUTE
MCK1
AVDD
AVREF
R27 2K2
R11
75K
R10
75K
VREF
SVCC
VREF
VREF
FEO
VREF
SVCC
SVCC
SGND
VREF
SVCC
SP0
VREF
SVCC
SLO
TEO
VCC
GND
VREF
VREF
VCC
VCC
VCC
VCC
VCC
VCC
VCC DVCC
VCC
vcc2
vcc2
vcc2
VCC
PWMOD
VDD
vcc2
vcc2
VCC
VDD
VDD
TP12
VDD
B+5V VDD
SVCC
B+5V
+8V
FEO
+8V
VREF
TEO
SPLO
SLO
+8V
B+5V
PMOD
VDD
B+5V
+8V +3V
+3V3
SVCC VCC
VCC
VREF
PDF created with FinePrint pdfFactorytrial version http://www.fineprint.com

PDF created with FinePrint pdfFactorytrial version http://www.fineprint.com