Pioneer FH-MG6406ZH X1H Service Manual

Multi-cd control fm/am cassette deck with 6 disc in-dash cd changer

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Service

Manual

MULTI-CD CONTROL FM/AM CASSETTE DECK WITH 6 DISC IN-DASH CD CHANGER

FH-MG6406

VEHICLE

DESTINATION

ACURA TL

HONGKONG

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

Model No.

Order No.

CX-1011

CRT2406

CX-890

CRT2376

- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.

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

CONTENTS

1. SAFETY INFORMATION ............................................3

2. EXPLODED VIEWS AND PARTS LIST .......................4

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12

4. PCB CONNECTION DIAGRAM ................................32

5. ELECTRICAL PARTS LIST ........................................53

6. ADJUSTMENT..........................................................62

7. GENERAL INFORMATION .......................................68

7.1 DIAGNOSIS ........................................................68

7.1.1 TEST MODE ..............................................68

7.1.2 DISASSEMBLY .........................................72

PIONEER CORPORATION

PIONEER ELECTRONICS SERVICE 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 2001

HONDA

PRODUCED AFTER

February 2001

Mech. Module Remarks

Cassette Mech. Module:Mech.Description, Disassembly

CD Mech. Module:Circuit Description, 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.

HONDA PART No.

ID No.

39100-S0KY-U110-M1

3SBO

7.1.3 PCB LOCATIONS ......................................76

7.1.4 CONNECTOR FUNCTION DESCRIPTION77

7.2 PARTS .................................................................78

7.2.1 IC................................................................78

7.2.2 DISPLAY ....................................................82

7.3 EXPLANATION ...................................................83

7.3.1 OPERATIONAL FLOW CHART .................83

7.3.2 SYSTEM BLOCK DIAGRAM.....................84

8. OPERATIONS AND SPECIFICATIONS.....................85

ORDER NO.

CRT2656

X1H/Q1

PIONEER MODEL No.

FH-MG6406ZH/X1H/Q1

K-ZZY. JAN. 2001 Printed in Japan

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Summary of Contents for Pioneer FH-MG6406ZH X1H

Page 1: Table Of Contents
PIONEER ELECTRONICS SERVICE 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 2001 K-ZZY. JAN. 2001 Printed in Japan...
Page 2 FH-MG6406ZH - CD Player Service Precautions - When the Repair is Complete 1. For pickup unit(CXX1311) handling, please refer When the repair is complete, make the CD mechanism to"Disassembly"(see page 72). ready for transportation During replacement, handling precautions shall be implementing the following procedures: taken to prevent an electrostatic discharge(protection 1.
Page 3: Safety Information
FH-MG6406ZH 1. SAFETY INFORMATION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
Page 4: Exploded Views And Parts List
FH-MG6406ZH 2. EXPLODED VIEWS AND PARTS LIST 2.1 EXTERIOR...
Page 5 FH-MG6406ZH NOTE: - Parts marked by “*”are generally unavailable because they are not in our Master Spare Parts List. ∇ mark on the product are used for disassembly. - Screws adjacent to EXTERIOR SECTION PARTS LIST Mark No. Description Part No. Mark No.
Page 6 FH-MG6406ZH 2.2 CD MECHANISM...
Page 7 FH-MG6406ZH - CD MECHANISM SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1-9 ••••• 54 Shaft CLA3693 10 CD Core Unit(Servo Unit) CWX2409 55 Steer CNC7215 11 Connector(CN101) CKS2764 56 Steer CNC7216 12 Connector(CN301) CKS3966 57 Cam CNC8774 13 Connector(CN201)
Page 8 FH-MG6406ZH Mark No. Description Part No. Mark No. Description Part No. 99 Frame Unit CXB5806 149 Spring CBH2269 100 Lever Unit CXB6026 150 Sheet CNM7109 101 Arm Unit CXB7533 151 Cam Motor Assy CXB5240 152 ••••• 102 Lever Unit CXB2708 103 Lever Unit CXB2709 153 Bracket Unit...
Page 9 FH-MG6406ZH...
Page 10 FH-MG6406ZH 2.4 CASSETTE MECHANISM MODULE...
Page 11 FH-MG6406ZH - 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...
Page 12: Block Diagram And Schematic Diagram
FH-MG6406ZH 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM TUNER AMP ASSY FM/AM TUNER UNIT FM/AM 1ST IF 10.7MHz FM FRONT END T31 Q31 CF51 CF52 CF53 ANT401 CN401 9 10 Q201 Q202 IC 1 IC 2 PA4023B PA4024A AM RF 32 36 25 16...
Page 13 FH-MG6406ZH IC 341 TA2050F CN351 IC 311(1/2) IC 321 IC 311(2/2) SWD+B BSWB BA4560F M62421FP BA4560F L+ROUT IC 301 LOUT BA4560F Q333 Q331 Q334 SWDVDD EQMUTE Q335 IC 161 BA4560F FADEinL TONEout-L IN4(+)L REARout-L RLIN IN4(-)L ELECTRONIC VOLUME/ IC 261 TDA7384 SOURCE SELECTOR IN1-L...
Page 14 FH-MG6406ZH 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 TUNER AMP ASSY SCH diagram ANT401 Guide page Detailed page ELECTRO FM : -31.0dBs AM : -31.0dBs TAPE : -8.0dBs CD : -4.0dBs...
Page 15 FH-MG6406ZH ISOLATOR SUB E.VOL CN351 ONIC VOLUME NAVI VOICE SW NAVI VOICE ISOLATOR RESET CN932 8V for AUDIO 5V for B.up GA-NET LLER SWD+B for BOSE AMP EQ+B for BOSE EQ 7.2V for LAMP FRONT REAR FM : 4.0dBs FM : 1.0dBs AM : 4.0dBs AM : 1.0dBs TAPE : 14.0dBs...
Page 16 FH-MG6406ZH...
Page 17 FH-MG6406ZH A-a C...
Page 18 FH-MG6406ZH...
Page 19 FH-MG6406ZH A-b C...
Page 20 FH-MG6406ZH 3.3 FM/AM TUNER UNIT CN401 FM/AM TUNER UNIT FM FRONT END AM OSC FM OSC PA4023B AM RF FM,AM FM,AM...
Page 21 FH-MG6406ZH FM,AM FM IF...
Page 22 FH-MG6406ZH 3.4 CD CORE UNIT(SERVO UNIT) CD CORE UNIT(SERVO UNIT) RF AMP/ AUTO POWER PU UNIT(SERVICE) PICKUP UNIT(SERVICE) CONTROL 2.5V CD DRIVER MOTOR PCB(B) M4 CARRIAGE CXB3178 DISC INSERT DETECT M5 SPINDLE CXM1120...
Page 23 FH-MG6406ZH FOCUS/TRACKING CARRIAGE/SPINDLE DIGITAL SERVO DIGITAL SIGNAL PROCESSOR D/A CONVERTER 16.934MHz...
Page 24 FH-MG6406ZH 3.5 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SURE TRACK MEMORY CONTRO M1 : CXB3174 ELV SENSE Q1 : RPI-221 +5V REGULATOR M3 : CXB3175 MOTOR PCB 7.5V 9.0V MOTOR DRIVER LOAD SWITCH DOOR SWITCH MODE SWITCH...
Page 25 FH-MG6406ZH 22/6R3 D/A CONVERTER TRACK RY CONTROLLER 4M DRAM RIVER MOTOR DRIVER...
Page 26 FH-MG6406ZH Note:1. The encircled numbers denote measuring pointes in the circuit diagram. 2. Reference voltage REFOUT:2.5V - Waveforms 1 RFO 1 RFO 1 CH1: RFO 0.5V/div. 0.2µs/div. 0.5V/div. 0.5µs/div. 1V/div. 0.5ms/div. 2 CH2: MIRR Normal mode: play Test mode 5V/div. Normal mode: The defect part passes 500µs/div.
Page 27 FH-MG6406ZH 3 CH1: FIN 8 CH1: TEY 8 CH1: TEY 1V/div. 0.5V/div. 0.5V/div. 5ms/div. 0.2s/div. 500µs/div. $ CH2: HOLD 6 CH2: FEY 5V/div. ! CH2: SD 0.1V/div. 0.5V/div. µ Normal mode: The defect part passes 800 Normal mode: AGC after focus close REFOUT→...
Page 28 FH-MG6406ZH 8 CH1: TEY 8 CH1: TEY 0.5V/div. 0.5V/div. & SCKO 2V/div. 500ns/div. 5ms/div. 10ms/div. 9 CH2: TIN 9 CH2: TIN 0.5V/div. 0.5V/div. Test mode: 100 tracks jump(FWD) Normal mode: Play Play REFOUT→ REFOUT→ REFOUT→ REFOUT→ REFOUT→ ) CH1: RCH 2V/div.
Page 29 FH-MG6406ZH 3.6 PCB UNIT(A,B,C,D,E), LOAD MOTOR PCB PCB UNIT(B) PCB UNIT(E) PCB UNIT(C) CPT231SCTD MAX DETECT SWITCH PCB UNIT(A) CN802 CPT231SCTD CXB3177 PCB UNIT(D) LOAD MOTOR PCB...
Page 30 FH-MG6406ZH 3.7 CASSETTE MECHANISM MODULE DECK UNIT CN252 VR302 CCP1280 Q271 33K(B) 2SC41 R260 R258 C253 390P Rev-L R283 0R0 R256 C254 390P Rev-R MSGV(R) NFI(L) R284 0R0 R403 MAOUT RIN(L) C271 R291 C404 R01 IC251 Fwd-R R282 0R0 1/50 FIN(L) MSDET C252 390P...
Page 31 FH-MG6406ZH M1 MOTOR UNIT (MAIN MOTOR) EXA1491 CN255 CN256 REEL SENSE CN253 EGN1 EGN1004 Q271 2SC4116 R277 R375 70µs 220K MODE R373 load LOAD R275 ESG1007x3 C405 R033 REEL SENSE R404 270K CN254 MOTOR UNIT (SUB MOTOR) VCC2 EXA1623 R374 MECHANISM DRIVER C356...
Page 32: Pcb Connection Diagram
FH-MG6406ZH 4. PCB CONNECTION DIAGRAM TUNER AMP ASSY 4.1 TUNER AMP ASSY NOTE FOR PCB DIAGRAMS 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 FH-MG6406ZH SIDE A CN701 CN251 CN901 FRONT...
Page 34 FH-MG6406ZH...
Page 35 FH-MG6406ZH SIDE B...
Page 36 FH-MG6406ZH 4.2 FM/AM TUNER UNIT SIDE A...
Page 37 FH-MG6406ZH SIDE B...
Page 38 FH-MG6406ZH 4.3 KEYBOARD UNIT SIDE A...
Page 39 FH-MG6406ZH SIDE B...
Page 40 FH-MG6406ZH 4.4 CD CORE UNIT(SERVO UNIT) SIDE A REFOUT...
Page 41 FH-MG6406ZH SIDE B...
Page 42 FH-MG6406ZH 4.5 CD CORE UNIT(STS UNIT) CD CORE UNIT(STS UNIT) SIDE A DOOR LOAD MODE...
Page 43 FH-MG6406ZH SIDE B CD CORE UNIT(STS UNIT)
Page 44 FH-MG6406ZH 4.6 MOTOR PCB(A) M1 CAM GEAR M3 ELV ELV SENSE MOTOR PCB(A) CN201 CN801...
Page 45 FH-MG6406ZH 4.7 PCB UNIT(E) PCB UNIT(E) PCB UNIT(E) SIDE A SIDE B...
Page 46 FH-MG6406ZH 4.8 MOTOR PCB(B) SPINDLE MOTOR MOTOR PCB(B)
Page 47 FH-MG6406ZH CN301 CARRIAGE...
Page 48 FH-MG6406ZH 4.10 PCB UNIT(D) 4.9 PCB UNIT(B) PCB UNIT(B) PCB UNIT(D) CN802 S887 CLAMP S886 ELV HOME...
Page 49 FH-MG6406ZH 4.11 PCB UNIT(C) Q881 PCB UNIT(C) S885 MAX DETECT D883...
Page 50 FH-MG6406ZH 4.12 LOAD MOTOR PCB LOAD MOTOR PCB LOAD 4.13 PCB UNIT(A) PCB UNIT(A) D892 D891...
Page 51 FH-MG6406ZH 4.14 DECK UNIT CN111 SIDE A DECK UNIT CN251 C321 C271 SIDE B DECK UNIT HEAD ASSY IC,Q VR302 CN254 CN255 CN253 CN252 IC253 IC251 Q351 Q352 VR301 CN256...
Page 52 FH-MG6406ZH 4.15 REEL SENSE PCB REEL SENSE PCB LOAD 70µs MODE CN256 CN253 EGN1 REEL SENSE...
Page 53: Electrical Parts List
FH-MG6406ZH 5. ELECTRICAL PARTS LIST NOTE: - 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 54 FH-MG6406ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Serge Protector DSP-201M-S00B RS1/10S221J FM/AM Tuner Unit CWE1619 RS1/10S103J RS1/10S153J RESISTORS RS1/10S103J RS1/10S472J RS1/10S103J RS1/10S103J RS1/10S182J RS1/10S683J RS1/10S472J RS1/10S683J RS1/10S103J RS1/10S103J RS1/10S103J...
Page 55 FH-MG6406ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S471J RS1/10S102J RS1/10S471J RAB4C102J RS1/10S102J RS1/10S102J RAB4C471J RS1/10S681J RAB4C471J RAB4C102J RS1/10S471J RAB4C102J RS1/10S0R0J RS1/10S473J RS1/10S912J RAB4C222J RS1/10S102J RS1/10S681J RAB4C222J RS1/10S681J RS1/10S183J RS1/10S102J...
Page 56 FH-MG6406ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/8S181J CEJANP4R7M16 RS1/8S121J CEJA330M16 RS1/10S392J CEJA330M16 RS1/10S223J CEJA470M10 RS1/10S103J CKSRYB104K16 RS1/10S223J CEJA1R0M50 RS1/10S223J CEJA4R7M35 RS1/8S102J CKSRYB472K50 RS1/10S101J CEJA2R2M50 RS1/10S473J CEJA330M16 RS1/4S2R2J CEJA330M16...
Page 57 FH-MG6406ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSRYB103K50 Lamp 8V 60mA CEL1603 CKSRYB102K50 LCD 901 CAW1597 CCSRCH120J50 RESISTORS CCSRCH120J50 CKSRYB223K25 RS1/10S103J CKSRYB223K25 RS1/10S683J CEJA1R0M50 RS1/10S102J CEJA1R0M50 RS1/10S102J CKSRYB103K50 RS1/10S102J...
Page 58 FH-MG6406ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RESISTORS CKSQYB334K16 CKSQYB104K16 CKSRYB472K50 RS1/8S100J CKSQYB104K16 RS1/8S120J CCSRCH5R0C50 RS1/16S822J RS1/16S682J CKSRYB153K25 RS1/16S183J CKSRYB102K50 CKSQYB334K16 RS1/16S822J CKSQYB104K16 RS1/16S333J CKSQYB104K16 RS1/16S683J RS1/16S134J CKSRYB471K50 RS1/16S273J...
Page 59 FH-MG6406ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S471J Unit Number : CWE1619 RS1/16S471J Unit Name : FM/AM Tuner Unit RS1/16S471J RS1/10S102J MISCELLANEOUS CAPACITORS PA4023B PA4024A CKSQYB334K16 Chip Transistor 2SC2712 CKSQYB334K16...
Page 60 FH-MG6406ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S154J CKSRYB222K50 RS1/16S0R0J CKSRYB103K25 RS1/16S470J CKSRYB222K50 RS1/16S912J CKSRYB222K50 RS1/16S912J CEAL100M16 RS1/16S331J CCSRRH100D50 RS1/16S331J CCSRRH120J50 RS1/16S0R0J CKSRYB103K25 RS1/16S331J CCSRRH201J50 RS1/16S102J CKSRYB103K25 RS1/16S823J CKSQYB473K16...
Page 61 FH-MG6406ZH =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSQYB104K16 RS1/8S0R0J CCSRCH330J50 RS1/8S0R0J CCSRCH150J50 RS1/16S153J CKSRYB103K25 RS1/16S332J CEJA330M10 RS1/16S911J CKSRYB332K50 RS1/16S274J CKSQYB473K16 CAPACITORS CCSRTH180J50 CKSRYB103K25 CKSYB104K16 CKSRYB391K50 CKSRYB391K50 CKSQYB104K16 CKSRYB391K50 CEALR47M50...
Page 62: Adjustment
FH-MG6406ZH 6. ADJUSTMENT 6.1 CD ADJUSTMENT 1) Precautions on Adjustment • The unit employs a single voltage (+5V) for the regu- lator, thus the reference potential of the signal is 2) Description of the Test Mode RFOUT (approximately 2.5V) rather than GND. •...
Page 63 FH-MG6406ZH - CD Player Flowchart [Key] [4] + [6] + RESET Test Mode In Contents Display [CD] or [SOURCE] Source CD [SCAN/RPT] Power ON Mechanism Test Mode Power ON New Test Mode (T.OFFSET adjustment required) Initial State (T.OFFSET adjustment not required) [SCAN/RPT] [SEEK/SKIP+] [SEEK/SKIP-]...
Page 64 FH-MG6406ZH 6.2 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 65 FH-MG6406ZH Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...
Page 66 FH-MG6406ZH 6.3 TUNER, CASSETTE SECTION - Connection Diagram Lch+ 4Ω +13.2v Lch- Oscilloscope mV Meter(1) Rch+ DC Regulated Power Supply 4Ω Rch- Antenna Jack FM/AM TUNER UNIT (SIDE A) Pin26 DC V Meter(1) TUNER AMP ASSY Pin 19(FMTV) Pin 15(AMIFC) Pin 14 Pin 27 DC V...
Page 67 FH-MG6406ZH FM ADJUSTMENT Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) S1:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.) NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow the circuits to stabilize. FM SSG Displayed Adjustment Adjustment Method...
Page 68: General Information
FH-MG6406ZH 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 TEST MODE - CD Changer Mechanism Flowchart [Key] [4] + [6] + RESET Test Mode In Contents Display [CD] or [SOURCE] Source CD [SCAN/RPT] CD Test Mode New Test Mode Mechanism Test In CD Test Mode Initial State [SCAN/RPT]...
Page 69 FH-MG6406ZH - New Test Mode Principally, discs are played normally in this test mode. When the test mode has been turned on, it will indicate when (in absolute time) and why an error occurred. Errors include off-focus, spindle lock disengagement, unavailability of sub-code reading and sound skipping. While the test mode setup is taking place, operational status (Internal RAM: CPOINT) of the CD control software is displayed.
Page 70 FH-MG6406ZH (5) LCD Display Example • When a protection/error has occurred • While the setup is in progress (a) Error display Er–xx Display can be switched • The operation mode (PLAY, SEARCH, etc.) is identical from the BAND key with the normal mode. (b) Display of occurrence No.
Page 71 FH-MG6406ZH Code Name Description Door OPENING While the mechanism is in operation, should have been closed a door was opened. Roller OFF time-out 4 seconds have elapsed before completing the roller OFF (the cam gear has not been rotated to the roller-OFF end position). Roller SET time-out 4 seconds have elapsed before completing the roller SET.
Page 72: Disassembly
FH-MG6406ZH 7.1.2 DISASSEMBLY - Removing the Grille Assy and Case (Fig.1) 1. Remove the four screws A and then remove the Grille Assy. 2. Remove the five screws B and then remove the Case. Case Fig.1 Grille Assy - Removing the CD Mechanism Module (Fig.2) 1.
Page 73 FH-MG6406ZH - Removing the CD Mechanism (Fig.3) 1. Remove the four screws A and then remove the Holder and Damper. 2. Remove the two spring B, spring C and spring D from the hook. 3. Remove the four screws E and screw F and then remove the Holder. 4.
Page 74 FH-MG6406ZH - How to remove the Carriage Mech Assy * When the positions of all holes match, they will be 1. Insert a short pin into the flexible PCB of the Pickup completely covered by the Carriage mech assy. unit. * To rotate the Cam Gear motor, see "How to remove 2.
Page 75 FH-MG6406ZH - How to remove the Pickup unit 1. Remove the pulling spring, torsion spring and E- Pulling spring shaped ring. Then remove the Clamper arm. E-shaped ring * The spring (A) will be removed with the Clamper Clamper arm arm.
Page 76: Pcb Locations
FH-MG6406ZH 7.1.3 PCB LOCATIONS FM/AM TUNER UNIT TUNER AMP ASSY KEYBOARD UNIT MOTOR PCB(B) MOTOR PCB(A) PCB UNIT(B) CD CORE UNIT(SERVO UNIT) CD CORE UNIT(STS UNIT) LOAD MOTOR PCB PCB UNIT(D) REEL SENSE PCB PCB UNIT(A) PCB UNIT(E) PCB UNIT(C) DECK UNIT...
Page 77: Connector Function Description77
FH-MG6406ZH 7.1.4 CONNECTOR FUNCTION DESCRIPTION ANTENNA SGND SHIELD LOUT GND GND SGND ROUT SWD+B BUS+ BUS- GND NAVI NAVI NAVI NAVI MUTE...
Page 78: Parts
FH-MG6406ZH 7.2 PARTS 7.2.1 IC - Pin Functions (PE5180A) Pin No. Pin Name Format Function and Operation Station detector input TUNUP Tuning up input TUNDN Tuning down input Not used PLL chip enable output AVREF1 D/A converter standard voltage PDI/RDT PLL data input PDO/RST PLL data output...
Page 79 FH-MG6406ZH Pin No. Pin Name Format Function and Operation GA-NET data output GA-NET data input GA-PW GA-NET driver power output ASENBO GA-NET slave power output reset Reset Not used asen ACC power sense input bsen Back up power sense input cdej CD eject key sense input 65,66...
Page 80 FH-MG6406ZH - Pin Functions (PD5659A) Pin No. Pin Name Format Function and Operation VDIN VD power supply sensor input DOORSW Door open position sense input Not used bsrq P-BUS service request output CLAMP Disk clamp sense input ELHOME Elevation sense input XSCK CD LSI clock output CD LSI data output...
Page 81 FH-MG6406ZH Pin No. Pin Name Format Function and Operation ADRMON DRAM memory remaining monitor input EREF DRAM A/D converter reference voltage input 76-78 PH1-3 Disc photo sense input ELVSNS ELV position sense input TEMP Temperature detector input *PD5659A Format Meaning C MOS - Pin Functions (M62421FP) Pin No.
Page 82: Display
FH-MG6406ZH 7.2.2 DISPLAY - CAW1597...
Page 83: Explanation
FH-MG6406ZH 7.3 EXPLANATION 7.3.1 OPERATIONAL FLOW CHART Power ON VDD=5V 68pin bsens 63pin asens 62pin GAPW 22pin Starts communication with GA-NET. swvdd 54pin brst 14pin Starts communication with G1 microcomputer. Source Keys operative Source ON Completes power-on operation. (After that, proceed to each source operation.)
Page 84: System Block Diagram
FH-MG6406ZH 7.3.2 SYSTEM BLOCK DIAGRAM FH-MG6406ZH/X1H/Q1 Signal L, R Signal L, R, L+R SW+B BOSE EQ Signal L+R WOOFER BOSE AMP...
Page 85: Operations And Specifications
FH-MG6406ZH 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - RADIO MANUAL TUNING UP/DOWN BASS,TREBLE,FADER,BALANCE VOLUME POWER ON/OFF SCAN PRESET RECALL SEEK TUNING A.SEL PRESET CH.MEMORY UP/DOWN - TAPE BASS,TREBLE,FADER,BALANCE TAPE EJECT TAPE VOLUME POWER ON/OFF PLAY DOLBY B NR REWIND MUSIC REPEAT MUSIC SEARCH DIRECTION FAST FORWARD...
Page 86 FH-MG6406ZH - CD BASS,TREBLE,FADER,BALANCE CD LOAD CD ALL LOAD CD EJECT CD AUTO EJECT VOLUME POWER ON/OFF CD REPEAT DISC SELECT CD RANDOM TRACK UP/DOWN CD FAST FORWARD/REVERSE 8.2 SPECIFICATIONS Power source..........13.2V±0.2V DC FM tuner Backup current ..........2mA or less Frequency............87.5–108 MHz Grounding system........Negative type S/N ..............50dB or more...

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