Alpine CDA-9852RB User manual

SERVICE MANUAL
RDS MP3/WMA CD Receiver
12 / 05-A
(CDA-9852RB)
68E38999S01
CDA-9852RB/CDA-9852RR/
CDE-9850Ri

<Cautions for Safe Repair Work>
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.
*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.
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.
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 o
r
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 Glove
s
Hot solder from solder splash may cause severe Wear gloves to prevent electrical shocks or injury
burns. from the end face of the metal.
If you ignore this symbol and handle the product incorrectly or unsafely,
injury or only material damage may result.
If you ignore this symbol and handle the product incorrectly or unsafely,
serious injury or death may result.
Warning
Caution
Warning
Caution

CDA-9852RB/CDA-9852RR/
CDE-9850Ri
Contents
Packing Assembly Parts List
4
Packing Method View
4
Specifications
5 to 7
Extension Cable
8
Block Diagram
9 , 10
Parts Layout on P.W.Boards and Wiring Diagram
11 to 15
Schematic Diagram
16 to 23
Terminal Voltage of IC/TR
24 to 43
Description of IC Terminal
44 to 47
Exploded View (Cabinet)
48
Exploded View (CD Deck Mechanism) (DP23S8DA)
49
NOTE : Due to continuing product improvement, specifications and designs are subject to
change without notice.

CDA-9852RB/CDA-9852RR/
CDE-9850Ri
Packin
g
Assembl
y
Parts Lis
t
Packing Method View
Part No. Description
101-1 03S60820Y16 SCR,MCH 5X8 ZN A
101-2 36A02449K01 CAP,RUBBER(A)
101-3 03A60836Y01 SCR,CUS 5X7 ZN A
101-4 03S70691Y11 SCR,B-T 1.7X8 ZB A
102 15D00529K02 CASE,INNER
103 15D01798K03 CARRYING,CASE
104 09-02252Z01 ASSY,ANIC-0007-01B
#1 105 68-04123Z53 O/M AOEU AOTA
$1 105 68-04123Z53 O/M AOEU AOTA
%1 105 68-04123Z56 O/M AOEU AOTA
%1 106 09-05915Z01 ASSY,ANID-0002-02A
NOTE : #1 : For CDA-9852RB Model Only,
$1 : For CDA-9852RR Model Only,
%1 : For CDE-9850Ri Model Only,
Others:Common.
No.
Symbol
101 -1 101 -2 101 -3 101 -4
X1
X4 X1
X1
104
106 %1
104
101
X1
X1
102
TOP Side
105
103
106 %1

CDA-9852RB/CDA-9852RR/
CDE-9850Ri
Specifications
< FM RADIO >
Intermediate Frequency 10.7±0.1MHz
Frequency Range 87.5 to 108.0MHz
Usable Sensitivity (30dB S/N, Mono, at 98.1MHz) 20.2dBf
-3dB Limiting Sensitivity (at 98.1MHz) 20.2dBf
Residual Noise (Ref. 400Hz, at 98.1MHz) 25±10dB
S/N Ratio (at 98.1MHz) Stereo : 50dB
Mono : 55dB
Image Rejection (at 106.1MHz) 50dB
IF Rejection (at 90.1MHz) 50dB
Distortion (Input 60dBu, at 98.1MHz) 1.0%
Frequency Response (Ref. 400Hz, at 98.1MHz) 100Hz : 0±3dB
10kHz : -11±3dB
Stereo Separation (1kHz, at 98.1MHz) 20dB
PS Sensitivity (at 98.1MHz) 36.2dBf
< MW RADIO >
Intermediate Frequency 1st : 10.7MHz
2nd : 450kHz
Frequency Range 531 to 1,602kHz
Usable Sensitivity (20dB S/N, at 999kHz) 35dB
S/N Ratio (at 999kHz) 44dB
Image Rejection (2nd IF, at 1,404kHz) 50dB
IF Rejection (2nd IF, at 603kHz) 40dB
Distortion (at 999kHz) 1.0%
Frequency Response (Ref. 400Hz, at 999kHz) 100Hz : -1 +3/-5dB
4kHz : -12 +6/-8dB
< LW RADIO >
Intermediate Frequency 1st : 10.7MHz
2nd : 450kHz
Frequency Range 153 to 281kHz
Usable Sensitivity (20dB S/N, at 216kHz) 42dB
S/N Ratio (at 216kHz) 40dB
Image Rejection (2nd IF, at 270kHz) 40dB
IF Rejection (2nd IF, at 162kHz) 50dB
Distortion (at 216kHz) 1.5%
Frequency Response (Ref. 400Hz, at 216kHz) 100Hz : -1 +4/-5dB
4kHz : -12 +6/-8dB
< CD SECTION >
System Optical (Compact Disc System)
Channel Balance (1kHz) CD : TCD-782 : 0±3dB
MP3 : SCD-5100 (FOLDER4-128kbps) : 0±3dB
WMA : SCD-5100 (FOLDER10-128kbps) : 0±3dB
Distortion (1kHz) CD : TCD-782 : 0.3%
MP3 : SCD-5100 (FOLDER4-128kbps) : 0.3%
WMA : SCD-5100 (FOLDER10-128kbps) : 0.3%

CDA-9852RB/CDA-9852RR/
CDE-9850Ri
Frequency Response (Ref. 1kHz, 0dB) CD : TCD-782 : 17Hz : 0±3dB
127Hz : 0±2dB
10.007kHz : 0±2dB
19.997kHz : -1±4dB
MP3 : SCD-5100 (FOLDER4-128kbps) : 17Hz : 0±3dB
127Hz : 0±2dB
10.007kHz : 0±2dB
19.997kHz : -1±4dB
WMA : SCD-5100 (FOLDER10-128kbps) : 17Hz : 0±3dB
127Hz : 0±2dB
10.007kHz : 0±2dB
19.997kHz : -1±4dB
S/N Ratio CD : TCD-782 : 85dB
MP3 : SCD-5100 (FOLDER4-128kbps) : 85dB
WMA : SCD-5100 (FOLDER10-128kbps) : 85dB
Separation (1kHz) CD : TCD-782 : 55dB
MP3 : SCD-5100 (FOLDER4-128kbps) : 55dB
WMA : SCD-5100 (FOLDER10-128kbps) : 55dB
De-Emphasis (Ref. 1kHz, 0dB) CD : TCD-782 : 4kHz : -20±3dB
16kHz : -20±3dB
< CD Deck Mechanism >
Test Disc CD-DA : ALMEDIO* TCD-782
CD-R : ALMEDIO* TCD-R082LMR
CD-RW : ALMEDIO* TCD-W082W / TCD-W082L / TCD-W082H
(* Former maker name : A-BEX, New maker name : ALMEDIO)
RF Waveform Amplitude 1.2±0.5Vp-p
Quantity of Jitter Less than 30nsec
Measurement Angle Range Front and Rear : -15°~75°
Right and Left : ±45°
Laser Current Initial value ±5mA
(The initial value of laser current is indicated on the Flexible Cable.)
< Pickup >
Wave Length 795nm
Laser Power CLASS I
< GENERAL >
Power Supply DC14.4V
Power Output (TCD-782 (1kHz, 0dB), T.H.D. 10%) / Impedance 18W / ch / 4 ohm
Pre Output (TCD-782 (1kHz, 0dB), T.H.D. 1%) / Impedance 6 +3/-2dBV / ch / 10k ohm
Back Up Current (ACC OFF After 1 minute) 5mA
Dimensions (W x H x D) Chassis : 178 x 50 x 162mm
Nose : 188 x 58 x 23.3mm
Weight 1.6kg
NOTE : Due to Continuing product improvement, specifications and designs are subject to change without notice.

CDA-9852RB/CDA-9852RR/
CDE-9850Ri
< Special DISC Playability >
Use DISC Initial performance standard
CD-DA Standard disc ALMEDIO* TCD-782 Most inner and most outer reproduce,
and there must not be skip and noise.
Eccentric disc ALMEDIO* TCD-713R Most inner and most outer reproduce,
and there must not be skip and noise.
Vertical deviation disc ALMEDIO* TCD-732RA Most outer reproduces,
and there must not be skip and noise.
Scratch disc ALMEDIO* TCD-721R Tr.6(1.2mm) reproduces,
and there must not be skip and noise.
(except for Interpolation noise)
Black dot disc ALMEDIO* TCD-725B or 726 Tr.7(0.4mm) reproduces,
and there must not be skip and noise.
(except for Interpolation noise)
Fingerprint disc ALMEDIO* TCD-725B or 726 Tr.13(ø65µm) reproduces,
and there must not be skip and noise.
(except for Interpolation noise)
CD-R Standard disc ALMEDIO* TCD-R082LMR Most inner and most outer reproduce,
and there must not be skip and noise.
CD-RW Standard disc (Low reflection) ALMEDIO* TCD-W082L Most inner and most outer reproduce,
Standard disc (Standard reflection) ALMEDIO* TCD-W082W and there must not be skip and noise.
Standard disc (High reflection) ALMEDIO* TCD-W082H
(* Former maker name : A-BEX, New maker name : ALMEDIO)
Item

CDA-9852RB/CDA-9852RR/
CDE-9850Ri
Extension Cable
*Always connect the Extension Cable when making checks of voltage and repair.
CD Deck Mechanism
(DP23S8DA) MAIN P.W.Board
CB104
CB101
CH501
(1)
(2)
CB6001
CB6002
CB401
ESC P.W.Board
(3)
(1) 01E29616S01
(2) 01V35647S01
(3) 01V39192S01
FRONT P.W.Board

CDA-9852RB/CDA-9852RR/
CDE-9850Ri
Block Diagram (CDA-9852RB/CDA-9852RR Model Only)
Selector Vol.1 Tre/Bass
RESET
Nose DET
SYSTEM POWER IC
Batt-Det / VDD
PWR-ON / CD SERVO
TUNER ON
POWER CONNECTOR
MUTE
DRIVER
LCD
Light
Push Lock
Encoder
Key
Matrix
LCD/KEY DRIVER
LCD
DISPLAY
Power IC
TUNER+B
BAT DET SW
ACC DET
Main CPU
MUTE
Vol.2 Pre-OUT
SubWoofer/Front
Front
Rear
BATT
ACC
P.ANT
O.REM
Tuner on
LED +B
Power cont
E-VOL
A-Mute
Rem SW
PWR ANT
AUDIO +B
DP23S8DA
(MP3 CD MECH)
CD
RF IF
AM
PLL
Tuner unit
DIMMER DIMMER
Nose
Light
SWD+3.3V
Nose PWR SW
CD-SERVO
VDD PWR ON
LCD+B
E2P
ROM
N.C. MPX
Delay Circuit
Remote
Control
RDS Decoder
I2C BUS
AI-NET
I/F
Pre IN/OUT Selector
Slide SW
Ai-Net
DIN
IN INT IN-INT

CDA-9852RB/CDA-9852RR/
CDE-9850Ri
Block Diagram (CDE-9850Ri Model Only)
Selector Vol.1 Tre/Bass
RESET
Nose DET
SYSTEM POWER IC
Batt-Det / VDD
PWR-ON / CD SERVO
TUNER ON
POWER CONNECTOR
MUTE
DRIVER
LCD
Light
Push Lock
Encoder
Key
Matrix
LCD/KEY DRIVER
LCD
DISPLAY
Power IC
TUNER+B
BAT DET SW
ACC DET
Main CPU
MUTE
Vol.2
Pre-OUT
SubWoofer/
Front
Front
Rear
BATT
ACC
P.ANT
O.REM
Tuner on
LED +B
Power cont
E-VOL
A-Mute
Rem SW
PWR ANT
AUDIO +B
DP23S8DA
(MP3 CD MECH)
CD
RF IF
AM
PLL
Tuner unit
DIMMER DIMMER
Nose
Light
SWD+3.3V
Nose PWR SW
CD-SERVO
VDD PWR ON
LCD+B
E2P
ROM
N.C. MPX
Delay Circuit
Remote
Control
RDS Decoder
I2C BUS
IN INT IN-INT
(for iPOD IN)
iPOD
iPOD DET
iPOD
Power supply