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SERVICE MANUAL
FM/MW/LW/RDS CD Receiver
TO ALPINE Home Page
3 / 03-A
68E35108S01
CDM-9805R
The following cautions will prevent accidents in the workplace and will ensure safe products.
*The symbols indicate caution is needed to prevent injuries and damage to property.
The symbols and their meanings follow.
If you ignore this symbol and handle the product incorrectly or unsafely,
Warning serious injury or death may result.
If you ignore this symbol and handle the product incorrectly or unsafely,
Caution injury or only material damage may result.
*The following symbols indicate two levels of cautions.
When you see this symbol, you have to be very careful.
When you see this symbol, you have to follow the instructions there.
Warning
Do not look squarely into the laser light Fuse Caution
coming from the pickup. Always use a designated fuse.
You may loose you sight. Use of an incorrect fuse may result in a fire.
Caution
Do not allow wiring to be caught in the Battery Caution
screw/chassis. Use the designated battery.
If wiring is caught in the screw/chassis, it may Confirm the correct polarity and seat of the
cause a short circuit, resulting in a fire. battery.
An incorrect battery or an improperly connected
or seated battery may result in a fire.
High Temperature Caution Designated Parts Caution
Touching the heat sink may cause severe burns. Look up the part list and ensure that only
designated parts are used to prevent problems or
accidents.
Reverse Power Supply Connections or Wiring Caution
Misconnections Caution Ensure that the wiring is correct when rewiring to
Reverse power supply connections or prevent problems with ignition/breakdown.
misconnections may cause ignition problems and
smoke may result.
Soldering Caution Wear Gloves
Hot solder from solder splash may cause severe Wear gloves to prevent electrical shocks or injury
burns. from the end face of the metal.
Contents
Packing Assembly Parts List
Packing Method View
Specifications
Adjustment Procedures
Extension Cable
Block Diagram
Parts Layout on P.W.Boards and Wiring Diagram
Schematic Diagram
Terminal Voltage of IC/TR
Description of IC Terminal
Exploded View (Cabinet)
Exploded View (CD Deck Mechanism) (DP23S2A0)
Cabinet Assembly Parts List
CD Deck Mechanism Assembly Parts List
Electrical Parts List
NOTE : Due to continuing product improvement, specifications and designs are subject to
change without notice.
Packing Assembly Parts List
Symbol Part No. Description Symbol Part No. Description
No. No.
101-1 03S72235F13 SCR,MCH M5X8 FLAT 103 15D01798K01 CARRYING,CASE
101-2 36A11113W01 CAP,RUBBER(A) 104 01T15359Y03 ASSY,ISO CONN 7873R0
101-3 03A11112W01 BOLT,HEX.M5(A) 105 68P02294K52 O/M AOEU AODN
102 15D00529K02 CASE,INNER
Packing Method View
101 -1 101 -2
X4
X1
BO
TT
SID OM
105 E
101 -3
104
101
X1
103
102
X1
BO
TT 103
SID OM
E
102
X1
104
X1
TO CONTENTS
Specifications
Intermediate Frequency ................................................................................................................................ 10.7MHz
Frequency Range ............................................................................................................................ 87.5 to 108.0MHz
Usable Sensitivity (30 S/N, Mono, at 98.1MHz) .............................................................................................. 20.2dBf
-3dB Limiting Sensitivity (at 98.1MHz) ............................................................................................................ 20.2dBf
Residual Noise (Ref. 400Hz(WID), at 98.1MHz) ............................................................................................ 25±10dB
S/N Ratio (at 98.1MHz) ......................................................................................................................... Stereo : 50dB
Mono : 55dB
Image Rejection (at 106.1MHz) .......................................................................................................................... 40dB
IF Rejection (at 90.1MHz) ................................................................................................................................... 60dB
Distortion (Input 60dBu, at 98.1MHz) .................................................................................................................. 1.0%
Frequency Response (Ref. 400Hz, at 98.1MHz) ................................................................................. 100Hz : 0±3dB
10kHz : -12±3dB
Stereo Separation (1kHz, at 98.1MHz) ............................................................................................................... 20dB
PS Sensitivity (at 98.1MHz) ............................................................................................................................ 36.2dBf
Intermediate Frequency ........................................................................................................................ 1st : 10.7MHz
2nd : 450kHz
Frequency Range .............................................................................................................................. 531 to 1,602kHz
Usable Sensitivity (20dB S/N, at 999kHz) ........................................................................................................... 34dB
S/N Ratio (at 999kHz) ......................................................................................................................................... 44dB
Image Rejection (at 603kHz) ............................................................................................................................... 40dB
IF Rejection (at 603kHz) ..................................................................................................................................... 50dB
Distortion (at 999kHz) .......................................................................................................................................... 1.5%
Frequency Response (Ref. 400Hz, at 999kHz) .................................................................................. 100Hz : -3±4dB
4kHz : -12+4, -8dB
Intermediate Frequency ........................................................................................................................ 1st : 10.7MHz
2nd : 450kHz
Frequency Range .................................................................................................................................. 153 to 281kHz
Usable Sensitivity (20dB S/N, at 216kHz) ........................................................................................................... 38dB
S/N Ratio (at 216kHz) ......................................................................................................................................... 45dB
Image Rejection (at 270kHz) ............................................................................................................................... 40dB
IF Rejection (at 162kHz) ..................................................................................................................................... 50dB
Distortion (at 216kHz) .......................................................................................................................................... 1.5%
Frequency Response (Ref. 400Hz, at 216kHz) .................................................................................. 100Hz : -3±4dB
4kHz : -12+4, -8dB
Wave Length .................................................................................................................................................... 795nm
Laser Power ................................................................................................................................................... CLASS I
TO CONTENTS
System ....................................................................................................................... Optical (Compact Disc System)
Channel Balance (1kHz, TCD-782) ................................................................................................................... 0±3dB
Distortion (1kHz, TCD-782) ................................................................................................................................. 0.1%
Frequency Response (Ref. 1kHz, TCD-782) ......................................................................................... 17Hz : 0±3dB
127Hz : 0±2dB
10.007kHz : 0±2dB
19.997kHz : 0±4dB
S/N Ratio (TCD-782) ........................................................................................................................................... 95dB
Separation (1kHz, TCD-782) ............................................................................................................................... 55dB
De-Emphasis (Ref. 1kHz, TCD-782) .................................................................................................. 4kHz : -20±3dB
16kHz : -20±3dB
Power Supply ................................................................................................................................................ DC14.4V
Power Output (Ref. FM Mode, SP-OUT, T.H.D. 10%) /Impedance ...................................................... 16W/ch/4ohm
Pre Output (Ref. TCD-782(1KHz, 0dB), T.H.D. 1%) /Impedance ................ FRONT/REAR : 2V±2.5dBV/ch/10kohm
SUB-W(STEP+15) : 2V±2.5dBV/ch/10kohm
Dimensions (W x H x D) ................................................................................................ Chassis : 178 x 50 x 160mm
Nose : 188 x 58 x 27mm
Weight ................................................................................................................................................................. 1.5kg
NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.
TO CONTENTS
Adjustment Procedures
1. FM/AM SECTION
(1) Dummy Antenna Circuit
(2) Connections
*
*
(3) Control Settings
Power Switch .............................................. ON Band Switch .............................. FM/MW/LW
Fader Control ........................... Center Position LOUD .................................................... OFF
Balance Control ....................... Center Position SUB-W .................................................. OFF
Treble Control .......................... Center Position Others ................................................... OFF
Bass Control ............................. Center Position
TO CONTENTS
(4) Adjustment Procedures
Test Point /
Step Description Connection Signal Generator Dial Control P.W.Board Adjustment
Coordinates
TP002 Auto Adjustment :
87.5MHz ,
(3-F) After setting up of Signal Genarator,
(1) 26dBµ 87.5MHz
TP608 short GND and TP608 (Pull-Down)
(Mod. OFF)
(5-D) for 1 second.
(SPEC) TP002 : 1.5±0.1V OK
(SPEC) TP002 : others 1.5±0.1V NG
TP002
87.5MHz ,
(3-F) NOTE : NG : Proceed same Auto
(2) 26dBµ 87.5MHz
Signal Meter TP608 Adjustment of step (1)
(Mod. OFF)
Auto (5-D) under step (3).
1 Figure 3
Adjustment
(FM)
TP002
87.5MHz ,
(3-F) Proceed same Auto Adjustment of step
(3) 21~23dBµ 87.5MHz
TP608 (1) under step (3).
(Mod. OFF)
(5-D)
TP002
87.5MHz ,
(3-F) Proceed same Auto Adjustment of step
(4) 26dBµ 87.5MHz
TP608 (1) under step (4).
(Mod. OFF)
(5-D)
TP002 Auto Adjustment :
999kHz ,
(3-F) After setting up of Signal Genarator,
(1) 34dBµ 999kHz
TP608 short GND and TP608 (Pull-Down)
(Mod. OFF)
(5-D) for 1 second.
(SPEC) TP002 :1.0±0.1V OK
(SPEC) TP002 : others 1.0±0.1V NG
TP002
999kHz,
(3-F)
(2) 34dBµ 999kHz NOTE : NG : Proceed same Auto
Signal Meter TP608
(Mod. OFF) Adjustment of step (1)
Auto (5-D)
2 Figure 4 under step (3).
Adjustment
(MW)
TP002
999kHz ,
(3-F) Proceed same Auto Adjustment of step
(3) 29~31dBµ 999kHz
TP608 (1) under step (3).
(Mod. OFF)
(5-D)
TP002
999kHz ,
(3-F) Proceed same Auto Adjustment of step
(4) 34dBµ 999kHz
TP608 (1) under step (4).
(Mod. OFF)
(5-D)
TO CONTENTS
Test Point /
Step Description Connection Signal Generator Dial Control P.W.Board Adjustment
Coordinates
TP002 Auto Adjustment :
216kHz ,
(3-F) After setting up of Signal Genarator,
(1) 34dBµ 216kHz
TP608 short GND and TP608 (Pull-Down)
(Mod. OFF)
(5-D) for 1 second.
(SPEC) TP002 : 1.0±0.1V OK
(SPEC) TP002 : others 1.0±0.1V NG
TP002
216kHz ,
(3-F)
(2) 34dBµ 216kHz NOTE : NG : Proceed same Auto
Signal Meter TP608
(Mod. OFF) Adjustment of step (1)
Auto (5-D)
3 Figure 4 under step (3).
Adjustment
(LW)
TP002
216kHz ,
(3-F) Proceed same Auto Adjustment of step
(3) 29~31dBµ 216kHz
TP608 (1) under step (3).
(Mod. OFF)
(5-D)
TP002
216kHz ,
(3-F) Proceed same Auto Adjustment of step
(4) 34dBµ 216kHz
TP608 (1) under step (4).
(Mod. OFF)
(5-D)
TO CONTENTS
Extension Cable
* When repairing or measuring the voltage of this unit, connect with the Extension Cable as shown in below.
TO CONTENTS
Block Diagram
ANT001
MINI BUS IN
DIN001
FM EL VOL (TDA7412)
MB4R002Z RCA201
AM MUTE SUB-W
Selector Vol. 1 Tre/Bass Vol. 2
LPF
F
CD
MUTE
I²C
JK201
Tuner unit
RDS MUTE
DECODER R
TUNER+B
Mute
Driver CB801
MINI
BUS I/F FRONT
DP23S2AO
BUFFER POWER
Main u-COM System IC REAR
SERVO Reset
+B
BATT
Det POWER BATT
ON+B
ACC
Det
ST-REMO
ACC
P-ANT
P.ANT/
O.REM O-REM
LCD
Driver
Key Rotary Remote
LCD401 Matrix Encoder Control
TO CONTENTS
N. U.
100k
TH602
47k
N. U.
N. U.
R610
Q601
R658
R877
R635
R648
N. U.
DTA124EKA
R630
22k
D601 R631
C628 0.1
R606 1k
R878
R638 12k 1SS133 22k-1/4
N. U.
R685
Q612
10k
DTC124EKA R632
220-1/4
1000p
C662
N. U. Q610
R637 R601 DTC124EKA
N. U.
R627
TH601
100k
C610
N. U. R602 N. U.
330p
TP605
TP606
C601
22k-1/4
R686 2.2k
R883
R641
N. U.
TP601
TP602 R607 10k
TP603
1k
N. U.
R622
R604
22k Q664
CB802
53253-0210 Q867 DTA143EKA
2SD1994A D662
DAN202K
M802
0.1
C806
Q866
C805
MOTOR, F2510CT-12UCV
0.1
R882 FMC2 1k
R642
470-1/4 R664 47k-1/4
10/16
E812
TP604
C609 IC651 TDA3606AT
ZD804
18p
HZS9C2L
IC601
D784216AGF
XL601
12.288MHz
N. U.
C608
R651 56k
18p L600
R663 4.7uH
C651
R656
22k
330k
33/16
R662
12k
E651
0.022-B
120kF
0.47-B