Pioneer FH-2037 ZF X1R/UC Service Manual

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Service

Manual

COMPACT DISC CASSETTE RADIO

FH-2037

VEHICLE

DESTINATION

Ranger

U.S.A., CANADA

- This service manual should be used together with the following manual(s):

Model No.

Order No.

CX-3007

CRT2820

CX-1011

CRT2406

- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing

Corporation."Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing

Corporation.

For details, refer to "Important symbols for good services".

PIONEER CORPORATION

PIONEER ELECTRONICS (USA) INC.

PIONEER EUROPE NV

Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2003

FORD

FH-2037ZF/X1R/UC

PRODUCED AFTER

August 2003

Mech. Module Remarks

S9MP3

CD Mech. Module:Circuit Description, Mech.Description, Disassembly

Cassette Mech. Module:Mech.Description, Disassembly

4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.

X1R/UC

FORD PART No.

FS-4L5T-18C868-AF

ORDER NO.

CRT3095

ID No. PIONEER MODEL No.

FH-2037ZF/X1R/UC

K-ZZD. JUNE 2003 Printed in Japan

Table of Contents

Summary of Contents for Pioneer FH-2037 ZF X1R/UC

Page 1 PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER CORPORATION 2003 K-ZZD. JUNE 2003 Printed in Japan...
Page 2: Safety Information
[ Important symbols for good services ] In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely. When you find the procedures bearing any of the symbols, be sure to fulfill them: 1. Product safety You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual.
Page 3: Table Of Contents
CONTENTS SAFETY INFORMATION ..............................2 1. SPECIFICATIONS .................................4 2. EXPLODED VIEWS AND PARTS LIST ..........................6 2.1 EXTERIOR ..................................6 2.2 CD MECHANISM MODULE ............................8 2.3 CASSETTE MECHANISM MODULE..........................10 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM......................12 3.1 BLOCK DIAGRAM .................................12 3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) ....................14 3.3 KEYBOARD UNIT ................................20 3.4 CD MECHANISM MODULE(GUIDE PAGE)........................22 3.5 CASSETTE MECHANISM MODULE..........................30...
Page 4: Specifications
1. SPECIFICATIONS General Power source ................14.4V DC(10.5V-16.0V allowable) Grounding system ..............Negative type Backup current ................3mA or less Dimensions .................188(W) x100(H) x187(D)mm Weight ..................2.3kg CD player System..................Compact disc audio system Usable discs ................Compact disc Signal format ................Sampling frequency : 44.1kHz Number of quantization bits : 16;linear S/N ....................70dB or more Distortion..................0.1% or less MP3 decoding format..............MPEG1 and MPEG2 audio layer 3...
Page 5 FH-2037ZF/X1R/UC...
Page 6: Exploded Views And Parts List
2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR FH-2037ZF/X1R/UC...
Page 7 NOTE: - Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List. - Screws adjacent to ∇ mark on the product are used for disassembly. - For the applying amount of lubricants or glue, follow the instructions in this manual. ( In the case of no amount instructions, apply as you think it appropriate.) - EXTERIOR SECTION PARTS LIST Mark No.
Page 8: Cd Mechanism Module
2.2 CD MECHANISM MODULE GEM1040 GEM1035 GEM1035 FH-2037ZF/X1R/UC...
Page 9 - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 CD Core Unit(S9MP3) CWX2687 46 Gear CNV6320 2 Connector(CN901) CKS4188 47 Arm CNV6322 3 Connector(CN101) CKS3486 48 Arm CNV6323 4 Screw BMZ20P025FTC 49 Arm CNV6324 5 Screw...
Page 10: Cassette Mechanism Module
2.3 CASSETTE MECHANISM MODULE For grease application, refer to the service manual for CX-1011 (CRT2406). FH-2037ZF/X1R/UC...
Page 11 - CASSETTE MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Screw BSZ20P040FMC 46 Pinch Roller ENV1518 2 Washer CBF1037 47 Pinch Holder Unit EXA1607 3 Washer CBG1003 48 Pinch Roller ENV1518 4 Screw EBA1028 49 Reel Unit EXA1625...
Page 12: Block Diagram And Schematic Diagram
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM MOTHER UNIT FM/AM TUNER UNIT FM/AM 1ST IF 10.7MHz MPXREF 41kHz CN602 AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT ANTENNA L ch JACK IC 2 FM MPX R ch AMIN ANT ADJ COMP MIXER, IF AMP, DET.
Page 13 RESET IC 801 RESET S-80842CNDYI SYS+B REGULATOR VDD REGULATOR Q808 Q805 Q804 B.UP SYS+B B.UP Q873 DIAGNOSTICS Q807 IC 604 PDO,PDI,PCK BR9010FV-W epce,wc SWVDD Q874 Q806 Q691 SYSPW SYSPWR Q852 SYSPW syspwr SYSTEM CONTROLLER Q840 B SENSE SYS+B B.UP bsens IC 601(1/2) Q850 PD5755A...
Page 14: Overall Connection Diagram(Guide Page)
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE) Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or "ELECTRICAL PARTS LIST". Large size SCH diagram FM/AM TUNER UNIT FM:-25.0dBs(100%,400Hz,MONO) AM:-25.0dBs(30% Mod.,400Hz,MONO) Guide page Detailed page FM:-35.47dBs AM:-35.47dBs CD: -2.10dBs TAPE:-15.53dBs...
Page 15 MOTHER UNIT FM: +4.63dBs AM: +5.63dBs CD:+23.00dBs TAPE:+14.57dBs CTRONIC VOLUME/ FM:-21.37dBs OURCE SELECTOR AM:-20.37dBs CD: -3.00dBs TAPE:-11.43dBs OLLER NC(PTA) NC(PHONE INPUT +) NC(PHONE INPUT -) NC(PHONE SHIELD) NC(PTA) NOTE : NC(PHONE INPUT +) NC(PHONE INPUT -) Symbol indicates a resistor. Decimal points for resistor NC(PHONE SHIELD) No differentiation is made between chip resistors and...
Page 16 FH-2037ZF/X1R/UC...
Page 17 CD:-2.10dBs(1kHz,0dB) CN901 TAPE:-11.0dBs(400Hz,200nWb) CN251 FH-2037ZF/X1R/UC...
Page 18 FH-2037ZF/X1R/UC...
Page 19 FH-2037ZF/X1R/UC...
Page 20: Keyboard Unit
3.3 KEYBOARD UNIT LCD904 (KL) (KL) 105mA, 8V CN604 FH-2037ZF/X1R/UC...
Page 21 KEYBOARD UNIT VOLUME/POWER POWER TAPE EJECT CD EJECT SEEK DOWN SEEK UP TUNE DOWN TUNE UP TAPE1-2 MUTE FH-2037ZF/X1R/UC...
Page 22: Cd Mechanism Module(Guide Page)
3.4 CD MECHANISM MODULE(GUIDE PAGE) CD CORE UNIT(S9MP3) PICKUP UNIT(SERVICE) (P9MP3) 3300P R022 SWITCHES: CD CORE UNIT(S9MP3) ..S901 : HOME SWITCH ON-OFF ..S902 : CLAMP SWITCH ON-OFF ..S903 : DSCSNS SWITCH ON-OFF ... S904 : 12EJ SWITCH ON-OFF ....
Page 23 DRAM SIGNAL LINE FOCUS SERVO LINE TRACKING SERVO LINE CARRIAGE SERVO LINE SPINDLE SERVO LINE & +3.3V PE5317B REGULATOR CD CONTROLLER FH-2037ZF/X1R/UC...
Page 24 FH-2037ZF/X1R/UC...
Page 25 FH-2037ZF/X1R/UC...
Page 26 FH-2037ZF/X1R/UC...
Page 27 CN608 FH-2037ZF/X1R/UC...
Page 28 Note:1. The encircled numbers denote measuring points in the circuit diagram. 2. Reference voltage REFO1 : 1.65V - Waveforms 5 CH1:SIN 1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div. 1V/div. 6 CH2:CIN 2 CH2:CLCONT 2 CH2:CLCONT 5V/div. 500mV/div. 2s/div. 5V/div. 500ms/div. 500ms/div. 7 CH3:TIN 3 CH3:LOEJ 3 CH3:LOEJ...
Page 29 # CH1:RFAGC 1V/div. 8 CH1:FIN 0 CH1:TE 500mV/div. 500mV/div. 200ms/div. 2ms/div. 0 CH2:TE ! CH2:FE # CH2:RFAGC 500mV/div. 500mV/div. 500mV/div. 500µs/div. 7 CH3:TIN 500mV/div. Focus Search 1Track Jump When "Tracking Open" Ref. : Ref. : Ref. : REFO REFO REFO Mode : Mode : Mode :...
Page 30: Cassette Mechanism Module
3.5 CASSETTE MECHANISM MODULE DECK UNIT CN252 VR302 CCP1280 33K(B) R260 R258 C253 390P Rev-L R283 0R0 R256 C254 390P Rev-R NFI(L) MSGV(R) R284 0R0 R403 MAOUT RIN(L) C271 R291 C404 R01 IC251 Fwd-R R282 0R0 1/50 MSDET FIN(L) C252 390P HA12216F MSOUT Fwd-L...
Page 31 M1 MOTOR UNIT (MAIN MOTOR) EXA1491 SENSOR UNIT CN255 CN256 REEL SENSE CN253 Q101 EGN1004 Q271 2SC4116 R277 R375 70µs S103 220K MODE S102 R373 load LOAD R275 S101 ESG1007x3 C405 R033 R404 270K CN254 MOTOR UNIT (SUB MOTOR) VCC2 EXA1623 R374 MECHANISM...
Page 32: Pcb Connection Diagram
4. PCB CONNECTION DIAGRAM 4.1 MOTHER UNIT NOTE FOR PCB DIAGRAMS MOTHER UNIT 1.The parts mounted on this PCB include all necessary parts for several destination. For further information for respective destinations, be sure to check with the schematic dia- gram.
Page 33 SIDE A ANTENNA FM/AM TUNER UNIT CN251 CN901 FH-2037ZF/X1R/UC...
Page 34 MOTHER UNIT FH-2037ZF/X1R/UC...
Page 35 SIDE B FH-2037ZF/X1R/UC...
Page 36: Keyboard Unit
4.2 KEYBOARD UNIT SIDE A KEYBOARD UNIT LCD904 FH-2037ZF/X1R/UC...
Page 37 SIDE B KEYBOARD UNIT CN604 FH-2037ZF/X1R/UC...
Page 38: Cd Mechanism Module
4.3 CD MECHANISM MODULE CD CORE UNIT(S9MP3) SIDE A 12EJ DSCSNS LOADING /CARRIAGE MOTOR SPINDLE MOTOR CN608 HOME PICKUP UNIT (SERVICE)(P9MP3) FH-2037ZF/X1R/UC...
Page 39 CD CORE UNIT(S9MP3) SIDE B CLAMP FH-2037ZF/X1R/UC...
Page 40: Cassette Mechanism Module
4.4 CASSETTE MECHANISM MODULE DECK UNIT CN606 SIDE A CN251 SIDE B DECK UNIT HEAD ASSY IC,Q VR302 CN254 CN255 CN253 CN252 IC253 IC251 Q351 Q352 VR301 CN256 FH-2037ZF/X1R/UC...
Page 41 SENSOR UNIT S101 LOAD S103 70µs S102 MODE CN256 Q101 REEL SENSE CN253 FH-2037ZF/X1R/UC...
Page 42: Electrical Parts List
5. ELECTRICAL PARTS LIST NOTES: - Parts whose parts numbers are omitted are subject to being not supplied. - The part numbers shown below indicate chip components. Chip Resistor RS1/_S___J,RS1/__S___J Chip Capacitor (except for CQS..) CKS.., CCS.., CSZS..=====Circuit Symbol and No.===Part Name Part No.
Page 43 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S103J RS1/16S222J RS1/16S221J RS1/16S222J RS1/16S153J RS1/16S473J RS1/16S101J RS1/16S681J RS1/16S103J RS1/16S681J RS1/16S0R0J RS1/16S681J RS1/16S103J RS1/16S473J RS1/16S103J RS1/16S472J RS1/16S103J RS1/16S473J RS1/16S103J RS1/16S681J RS1/16S103J RS1/16S473J RS1/16S103J...
Page 44 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S184J RS1/16S152J RS1/16S103J RS1/16S152J RS1/16S103J RS1/16S0R0J RS1/16S222J RS1/16S103J RS1/16S222J RS1/16S103J CAPACITORS RAB4C102J RS1/16S473J RS1/16S473J CKSRYB104K25 RS1/16S223J CEJQ470M10 RS1/16S103J CEJQ100M16 CKSRYB104K25 RD1/4PU331J CKSRYB474K10 RS1/16S103J...
Page 45 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CEJQ101M6R3 SML-310PT(KL) CKSRYB103K50 SML-310PT(KL) CKSRYB183K50 SML-310PT(KL) CKSRYB183K50 SML-310PT(KL) CKSRYB472K50 SML-310PT(KL) CKSRYB682K50 SML-310PT(KL) CKSRYB392K50 SML-310PT(KL) CCSRCH220J50 SML-310PT(KL) CCSRCH180J50 SML-310PT(KL) CEJQ100M16 SML-310PT(KL) CCSRCH101J50 SML-310PT(KL) CCSRCH220J50...
Page 46 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S181J RS1/16S104J RS1/16S181J RS1/8S0R0J RS1/16S181J RS1/8S0R0J RS1/16S181J RS1/8S0R0J RS1/16S181J RS1/8S0R0J RS1/16S181J RS1/16S0R0J RS1/16S181J RS1/16S0R0J RS1/16S181J RS1/8S0R0J RS1/16S181J RS1/10S0R0J RS1/16S181J RS1/10S0R0J RS1/16S181J RS1/10S0R0J RS1/16S181J...
Page 47 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- TC74VHCT08AFT RS1/16SS0R0J S-818A33AUC-BGN RS1/16SS183J Transistor 2SB1132 RS1/16SS822J Transistor DTC323TK RS1/16SS0R0J Transistor DTC323TK RS1/16SS183J Transistor 2SB709A RS1/16SS822J Transistor UN2111 RS1/16SS183J Diode 1SS355 RS1/16SS822J Diode...
Page 48 =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- CKSSYB104K10 CEV220M6R3 CKSSYB103K16 CKSSYB103K16 CEV221M4 CKSSYB104K10 CKSSYB104K10 CKSSYB104K10 CKSSYB104K10 CKSSYB332K50 CKSSYB104K10 CKSSYB223K16 CKSSYB104K10 CKSSYB103K16 CKSSYB104K10 CCSSCH270J50 CCSSCJ3R0C50 CKSSYB104K10 CKSSYB103K16 CCSSCH680J50 CCSSCH470J50 CKSSYB682K25 CKSSYB104K10 CKSSYB104K10 47µF/6.3V CCH1436 CEV221M4 CKSRYB224K16 CKSSYB104K10 CKSSYB104K10 CKSSYB104K10 CKSSYB104K10 CKSSYB331K50...
Page 49: Adjustment
6. ADJUSTMENT 6.1 DOLBY B NR ADJUSTMENT - Connection Diagram +13.2v DC Regulated Power Supply MOTHER UNIT CN606 Extention Cord GGD1121 DECK UNIT VR302 VR301 Pin2 Pin3 CN251 L-CH R-CH Meter(1) DOLBY B NR ADJUSTMENT Test Tape Adjustment Point Adjustment Method (Switch Position) NCT-150 VR301(Lch),VR302(Rch)
Page 50: Cd Adjustment
6.2 CD ADJUSTMENT 1) Precautions 2) Test Mode • This unit uses a single power supply (+3.3V) for the This mode is used for adjusting the CD mechanism regulator. The signal reference potential, therefore, is module of the device. connected to REFO1(approx. 1.65V) instead of GND. If REFO1 and GND are connected to each other by •...
Page 51 - Flow Chart [4]+[6]+Reset [KEY] Test Mode In Contents Display [CD] Source On [SCAN] RF AMP Power On Power On New Test Mode Gain switching (T. offset is adjusted) (T. offset is not adjusted) [SCAN] [SEEK UP] [SEEK DOWN] Tracking Servo Focus Close / Automatic adjustment value CRG+...
Page 52: Checking The Grating After Changing The Pickup Unit
6.3 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT • Note : The grating angle of the PU unit cannot be adjusted after the PU unit is changed. The PU unit in the CD mecha- nism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted PU unit for the CD mechanism module.
Page 53 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90° FH-2037ZF/X1R/UC...
Page 54: Cd Test Mode
6.4 CD TEST MODE - Error Messages If a CD is not operative or stopped during operation due to an error, the error mode is turned on and cause(s) of the error is indicated with a corresponding number. This arrangement is intended at reducing nonsense calls from the users and also for facilitating trouble analysis and repair work in servicing.
Page 55 - New Test Mode S-CD plays the same way as before. If an error such as off focus, spindle unlocking, unreadable sub-code, or sound skipping occurs after setup, its cause and time occurred (in absolute time) are displayed. During setup, operational status of the control software is displayed. These displays and functions are prepared for enhancing aging in the servicing and efficiency of trouble analysis.
Page 56 (4) Display of Operational Status during Setup Status No. Contents Protective action Focus search start Focus search timeout. Focus search 2 Focus search timeout. Focus search 3 Focus search timeout. Focus search 4 Focus search timeout. Focus search(Setup protection) Focus slips off. Focus search(Fast recovery) Focus slips off.
Page 57 (5) Display Examples 1) During Setup 8-digit display, 6-digit display 4-digit display(Auto setting) 4-digit display(Manual setting) TNO. Min Sec TNO. Min Sec 11 11' 11" 11' 11" 2) During Operation (TOC read, TRK search, Play, FF and REV) The same as in the normal mode. 3) When a Protection Error Occurred (A) Error display ((A)←→(B), (C) : SCAN key) 8-digit display...
Page 58: General Information
7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 DISASSEMBLY Removing the Case (not shown) 1. Remove the Case. Removing the CD Mechanism Module (Fig.1) CD Mechanism Module Remove the four screws. Disconnect the connector and then remove the CD Mechanism Module. Removing the Grille Assy (Fig.1) Remove the two screws and then remove the Grille Assy.
Page 59 Removing the Chassis (Fig.3) Remove the four screws and then remove the Chassis. Chassis Fig.3 Removing the Holder (Fig.4) Remove the four screws and then remove the Holder. Holder Fig.4 FH-2037ZF/X1R/UC...
Page 60 Removing the Cassette Mechanism Module (Fig.5) Remove the four screw and then remove the Cassette Mechanism Module. Cassette Mechanism Module Fig.5 Removing the Mother Unit (Fig.6) Remove the screw. Remove the two screws. Straighten the tabs at two locations indicated. Remove the two screws and then remove the Mother Unit.
Page 61 - How to hold the Mechanism Unit 1. Hold the top and bottom frame. 2. Do not squeeze top frame's front portion too tight, because it is fragile. Do not squeeze. - How to remove the Top and Bottom Frame 1.
Page 62 - How to remove the CD Core Unit(S9MP3) 1. Give jumper-solder treatment to the Flexible Wire of Jumper-Solder the Pickup unit, then remove the wire from the CD Core Unit Connector. (S9MP3) 2. Remove all 4 points of solder-treatment on the Lead Wire.
Page 63: Connector Function Description
7.1.2 CONNECTOR FUNCTION DESCRIPTION FM/AM ANTENNA ANTENNA IN CASE RF GND POWER SUPPLY,SPEAKER PHONE NC(PTA) ILL+ NC(PHONE INPUT +) ILL- NC(PHONE INPUT -) START NC(PHONE SHIELD) CLOCK B.UP RUN/ACC RADIO GND POWER AMP GND FH-2037ZF/X1R/UC...
Page 64: Parts
7.2 PARTS 7.2.1 IC - Pin Functions (PD5755A) Pin No. Pin Name Format Function and Operation Tuner : PLL data output Tuner : PLL serial clock output BLPWR LCD back light power output ILMOUT Illumination D/A output LCDDT LCD driver : Data output PWMIN Illumination PWM input LCDCLK...
Page 65 Pin No. Pin Name Format Function and Operation Diagnosis EEPROM : Write control output AUXCNT0 Aux input selector 1 output(Not used) Not used syspwr System power output FMUTE Front mute output ASYSON ACP-BUS : ACP power output wakeup Wake up key sense input(Not used) ptain PTA interrupt input(Not used) ACPINT...
Page 66 * S-80842CNDYI * BR9010FV-W : Chip select input : Serial data clock input : Serial data input : Serial data output : Write control input :READY/busy status signal output - Pin Functions (LC75813E) Pin No. Pin Name Function and Operation Clock input Data input 3-89...
Page 67 - Pin Functions (UPD63760GJ) Pin No. Pin Name Function and Operation R.GND GND for DRAM I/F Input of reset AB12-8 Address bus 12-8 from the microcomputer 8-15 AD7-0 Address/data bus 7-0 to the microcomputer Chip selection ASTB Address strobe read Control signals (read) write Control signals (write)
Page 68 Pin No. Pin Name Function and Operation 73-88 RDB0-15 Input/output of DRAM Data0-15 D.GND Ground for digital circuits 90-99 RA0-9 Output of DRAM Address0-9 D.VDD Power supply for digital circuits 101-104 TEST0-3 Connected to GND Output of focus drive PWM Output of tracking drive PWM Output of thread drive PWM Output of spindle drive PWM...
Page 69 - Pin Functions(PE5317B) Pin No. Pin Name Format Function and Operation FTXD For rewriting Flash EP-ROM (sending signals) Open Input of P-Bus serial data Output of P-Bus serial data bsck Input/output of P-Bus serial clock 6, 7 DFS1, 2 Output 1, 2 of settings of DA I/F IC sampling frequency DCKS Output for selection of DA I/F IC clock subharmonic number EVDD...
Page 70 Pin No. Pin Name Format Function and Operation AVREF Input of reference voltage for A/D converter VDSENS Input of sensing short of VD power supply DSCSNS Input of sensing disc status TEMP Input of sensing information on temperature HOME Input of sensing Home SW csens Input of sensing the flap closed Connected to AVDD or AVSS via the resistor...
Page 71 - FM/AM Tuner Unit FM/AM 1ST IF 10.7MHz MPXREF 41kHz AMRF T51 Q51 CF51 CF52 CF53 AMDET AMANT L ch IC 2 FM MPX R ch AMIN ANT ADJ COMP MIXER, IF AMP, DET. LDET FMANT RFGND FMRF CF202 IC 3 AM 2ND IF X901 IMG ADJ...
Page 72: Display
7.2.2 DISPLAY - LCD(CAW1822) FH-2037ZF/X1R/UC...
Page 73: Operational Flow Chart
7.3 OPERATIONAL FLOW CHART Power ON VCC=5V Pin 16,62 bsens Pin 27 bsens=L asens Pin 21 asens=L Load Micro ROM data SWVDD Pin 44 syspwr Pin 70 Source Keys Operative Source ON Completes power-on operation. (After that, proceed to each source operation) FH-2037ZF/X1R/UC...
Page 74: Cleaning
7.4 CLEANING Before shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools: Portions to be cleaned Cleaning tools CD pickup lenses Cleaning liquid : GEM1004 Cleaning paper : GED-008 Portions to be cleaned Cleaning tools Cassette heads Pinch rollers...
Page 75: Operations
8. OPERATIONS FH-2037ZF/X1R/UC...
Page 76 - RADIO VOLUME POWER ON/OFF SEEK TUNING UP/DOWN AUTOMATIC PRESET MEMORY MANUAL TUNING UP/DOWN PRESET CHANNEL RECALL PRESET CHANNEL MEMORY - CD VOLUME POWER ON/OFF TRACK SEARCH UP/DOWN CD EJECT REPEAT REVERSE FAST RANDOM SCAN FORWARD PLAY FH-2037ZF/X1R/UC...
Page 77 - MP3 VOLUME POWER ON/OFF DIRECTORY SEARCH TRACK SEARCH UP/DOWN CD EJECT FLAT FAIL MODE/ DIRECTORY MODE SELECT REPEAT REVERSE FAST RANDOM SCAN FORWARD PLAY - TAPE VOLUME POWER ON/OFF TAPE EJECT TAPE REPEAT DOLBY B NR FAST REWIND FORWARD FH-2037ZF/X1R/UC...
Page 78 - AUDIO VOLUME POWER ON/OFF AUDIO MODE SELECT BALANCE FADER TREBLE BASS CLOCK ADJUSTMENT MUTE CLOCK ADJUSTMENT, AUDIO MODE UP/DOWN FH-2037ZF/X1R/UC...

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