Sony DVP-FX921 Service Manual
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Sony DVP-FX921 Service Manual

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DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935
SERVICE MANUAL
Ver. 1.2 2009.05
System
Laser: Semiconductor laser
Signal format system:
NTSC (US, Canadian models)
PAL (NTSC) (Except US, Canadian
models)
Inputs/Outputs
VIDEO (video input/output):
Minijack
Output 1.0 Vp-p/75 ohms
AUDIO (audio input/output)
Stereo minijack
Output 2.0 Vrms/47 kilohms
Recommended load impedance over
47 kilohms
PHONES (headphones) A/B:
Stereo minijack
USB: USB jack Type A (For connecting USB
memory) (Except US model)
Liquid Crystal Display
Panel size: 9 inches wide (diagonal)
Driving system: TFT active matrix
Resolution: 800 × 480 (effective pixel rate:
more than 99.99%)
9-890-703-13
Photo: DVP-FX930
SPECIFICATIONS
General
Power requirements:
DC 9.5 V (AC power Adaptor/Car battery
adaptor)
DC 7.4 V (Battery pack)
Power consumption (DVD VIDEO Playback):
8.5 W (when used with a headphone)
Dimensions (approx.):
227 × 34.4 × 170.8 mm (9 × 1
3
6
/
inches) (width/height/depth) incl.
4
projecting parts
Mass (approx.): 900 g (1.98 lbs)
Operating temperature: 5 °C to 35 °C (41°F to
95°F)
Operating humidity: 25 % to 80 %
AC Power Adaptor: 110-240 V AC, 50/60 Hz
Car Battery Adaptor: 12 V DC
Supplied accessories
• Battery pack (NP-FX110) (1)
• AC power adaptor (1)
• Car battery adaptor (1)
• Audio/video cord (mini plug × 2 y
phono plug × 3) (1)
• Remote (with battery) (1)
•
Carrying case (1) (supplied with
DVP-FX921K only)
•
Headphones (1) (supplied with
DVP-FX921K only)
Specifications and design are subject to change
without notice.
PORTABLE CD/DVD PLAYER
Sony Corporation
Video Business Group
RMT-D191
US Model
DVP-FX921/FX921K/FX930/
FX930CC/FX930WM/
Canadian Model
DVP-FX935
AEP Model
UK Model
Singapore Model
Saudi Arabia Model
Russian Model
DVP-FX930
3
×
/
8
2009E0500-1
Published by Quality Assurance Dept.
© 2009.5

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  • Page 1 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 RMT-D191 SERVICE MANUAL US Model DVP-FX921/FX921K/FX930/ FX930CC/FX930WM/ Ver. 1.2 2009.05 Canadian Model DVP-FX935 AEP Model UK Model Singapore Model Saudi Arabia Model Russian Model DVP-FX930 Photo: DVP-FX930 SPECIFICATIONS General System Power requirements: Laser: Semiconductor laser Signal format system: DC 9.5 V (AC power Adaptor/Car battery...
  • Page 2 DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE also be added to ordinary solder. FONCTIONNEMENT. NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉ- MENTS PUBLIÉS PAR SONY.

  • Page 3: Table Of Contents

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 TABLE OF CONTENTS Section Title Page Section Title Page DISASSEMBLY WAVEFORMS AND CIRCUIT VOLTAGE 1-1. Disassembly Flow ............1-1 5-1. Waveforms ..............5-1 1-2. Bottom Block ..............1-1 5-2. Circuit Voltage Chart ............ 5-3 1-3. MAIN Board ..............1-2 1-4.

  • Page 4: Disassembly

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 1 DISASSEMBLY • This set can be disassembled in the order shown below. 1-1. DISASSEMBLY FLOW 2-2. BOTTOM BLOCK 2-4. MONITOR SUB ASSY (Page 2-1) (Page 2-2) 2-2. MAIN BOARD 2-5. LCD (Page 2-2) (Page 2-3) Note: Follow the disassembly procedure in the numerical order given.

  • Page 5: Main Board

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 1-3. MAIN BOARD 5 travers unit 4 flexible board 3 FFC 6 three screws (TS2 × 4.5) 2 connector 1 tape 7 main board 1-4. MONITOR SUB ASSY 6 housing cover assy 9 monitor sub assy 4 two screws (TS1.7 ×...

  • Page 6: Lcd

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 1-5. qs two screws (TS1.7 × 5) qd panel brac L 4 six screws (TS1.7 × 5) 9 panel brac L-L 8 screw 2 LCD connector (TS1.7 × 5) 3 10 pin FFC 5 LCD board 6 screw (TS1.7 × 5) 7 panel brac L-R 0 two screws (TS1.7 ×...

  • Page 7: Block Diagram

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 2 BLOCK DIAGRAM 2-1. OVERALL BLOCK DIAGRAM LCD BOARD KEY BOARD BackLight G Signal I2C Bus 9"PANEL MST7915MC VIDEO KEYPAD TFT-LCD DRIVER PROCESSING DIGITAL I2C Bus USB Unit RF Amp Y,C Out SWITCH CVBS Out/In Signal CVBS Out...

  • Page 8: Schematic Diagrams

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 3 SCHEMATIC DIAGRAMS 3-1. FRAME SCHEMATIC DIAGRAM (1/2)
  • Page 9 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3-2. FRAME SCHEMATIC DIAGRAM (2/2)

  • Page 10: Main Board (1/5) (Dc-Dc Power)

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3-3. MAIN BOARD (1/5) (DC-DC POWER) • See page 4-1 for printed wiring board. MAIN BOARD (1/5) ADVCC 330R 330R ADVCC ADVCC BAT_A DV33 BAT_A BAT_B CF12V3T3R00-3A32V CF12V3T3R00-3A32V BAT_B BTVCC LED1 LED1 BAT_C POWER BAT_C GREEN GREEN CHARGE_LED CHARGE_LED...
  • Page 11 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3-4. MAIN BOARD (2/5) (DVD SERVO & DSP MT1389LP) • See page 4-1 for printed wiring board. MAIN BOARD (2/5) DV33 RFVDD3 RFV18 L3,L5 AADVDD DV33 RFV33 10uH/100mA 10uH/100mA AVCC 10uH/100mA 10uH/100mA ADACVDD Very Important to ADACVDD reduce Noise...

  • Page 12: Main Board

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3-5. MAIN BOARD (3/5) (SDRAM & S-FLASH ROM) • See page 4-1 for printed wiring board. MAIN BOARD (3/5) 33R 0402 33R 0402 33R 0402 33R 0402 33R 0402 33R 0402 33R 0402 33R 0402 DCLK DCLK 33R 0402...

  • Page 13: Main Board

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3-6. MAIN BOARD (4/5) (VIDEO OUT & PANEL CONNECT) • See page 4-1 for printed wiring board. MAIN BOARD (4/5) SPR2 FB17 FB17 600R/400mA 600R/400mA USBM SPR1 FB14 FB14 600R/400mA 600R/400mA USBM USBP SPL1 FB23 FB23 600R/400mA 600R/400mA USBP...
  • Page 14 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3-7. MAIN BOARD (5/5) (AUDIO) • See page 4-1 for printed wiring board. MAIN BOARD (5/5) AUDIO_VCC DC_IN DV33 AGND AOUT_L AOUT_L AOUT_R AUDIO_VCC +5VOP AOUT_R EC20 EC20 R149 R149 R150 R150 R151 R151 FB27 FB27 RLINE R_MUTE 1N4148...

  • Page 15: Lcd Board (T_Con)

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3-8. LCD BOARD (T_CON) • See page 4-3 for printed wiring board. LCD BOARD R1 10R R1 10R AGND IR_IN AGND AGND LED+ R3 1.5K R3 1.5K LED+ LED+ LED- LED- LED- PGND PGND PGND C_IN C_IN C_IN 100pF...
  • Page 16 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3-9. KEY BOARD (TOUCH BOARD) • See page 4-4 for printed wiring board. KEY BOARD DV33 10uf /6.3V 10uf /6.3V 1.8R/1206 1.8R/1206 SPR2 SPEAKER SPR1 1.8R/1206 1.8R/1206 SPL2 SPEAKER SPL1 DV33 TOUCH_PAD2 TOUCH_PAD9 100pf/NC 100pf/NC 100pf/NC 100pf/NC 100pf/NC 100pf/NC...

  • Page 17: Printed Wiring Boards

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 4 PRINTED WIRING BOARDS 4-1. MAIN BOARD (SIDE A) • See page 1-6 for circuit boards location. There are a few cases that the part isn’t mounted in this model is printed on this diagram. : Uses unleaded solder.

  • Page 18: Main Board (Side B)

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 4-2. MAIN BOARD (SIDE B) • See page 1-6 for circuit boards location. : Uses unleaded solder. MAIN BOARD (SIDE B) DC IN 9.5V – VIDEO AUDIO PHONES HOLD . POWER CHARGE POWER...

  • Page 19: Lcd Board

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 4-3. LCD BOARD • See page 1-6 for circuit boards location. There are a few cases that the part isn’t mounted in this model is printed on this diagram. : Uses unleaded solder. LCD BOARD (SIDE A) LCD BOARD (SIDE B)

  • Page 20: Key Board

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 4-4. KEY BOARD • See page 1-6 for circuit boards location. There are a few cases that the part isn’t mounted in this model is printed on this diagram. : Uses unleaded solder. KEY BOARD (SIDE A) KEY BOARD (SIDE B) >...

  • Page 21: Waveforms And Circuit Voltage

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 5 WAVEFORMS AND CIRCUIT VOLTAGE 5-1. WAVEFORMS 1. Spindle control waveform (No disc condition) 2. Tracking control relate signal (system checking-cd) U (U8 PIN7) TRO (U6 PIN24) V (U8 PIN4) TRSO (R95) W (U8 PIN2) Fig 5-2 DMSO/ECR (U8 PIN21) 3.
  • Page 22 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 4. Audio output from IC (L/R) 5. Video output waveform (CVBS) DIN (U11 PIN6) AUDIO OUT (J6 PIN2) Fig 5-5 Fig 5-4 6. Video output waveform (Y/C) 7. RF waveform Y (FB218) DVDRFIP (U6 PIN12) C (FB16) Fig 5-6...

  • Page 23: Circuit Voltage Chart

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 5-2. CIRCUIT VOLTAGE CHART U6 (MT1389LP) U6 (MT1389LP) U6 (MT1389LP) U6 (MT1389LP) STOP (V) PLAY (V) STOP (V) PLAY (V) STOP (V) PLAY (V) STOP (V) PLAY (V) 2.038 2.136 0.011 0.011 2.569 2.504 2.039 2.149 2.984 2.981 1.414 1.435...
  • Page 24 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 U9 (SDRAM) U9 (SDRAM) U7 (BA5954) U11 (PT2328) U14 (APA2068KA) U8 (6849/6869) STOP (V) PLAY (V) STOP (V) PLAY (V) STOP (V) PLAY (V) STOP (V) PLAY (V) STOP (V) PLAY (V) STOP (V) PLAY (V) 1.413 1.436 3.23 3.228...

  • Page 25: Ic Pin Function Description

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 6 IC PIN FUNCTION DESCRIPTION 6-1. MPEG/DSP/RF PIN FUNCTIOM (MAIN BOARD U6: MT1389LP) Pin No. Name Description RFA Analog Input RF main beam input A RFB Analog Input RF main beam input B RFC Analog Input RF main beam input C...
  • Page 26 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 Pin No. Name Description DVDSD18 1.8V power pin for internal digital circuitry DQM0 PD data mask 0 RD15 DRAM data 15 RD14 DRAM data 14 RD13 DRAM data 13 RD12 DRAM data 12 DVSS33 3.3V Ground pin for internal digital circuitry...
  • Page 27 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 Pin No. Name Description C single output CVBS 3.3V power pin AADVSS 3.3V power pin for audio clock circuitry AKIN2/GPIO19/ APLL external capacitance connection AUDIO_MUTE ADVCM/GPIO20/ Ground pin for audio DAC circuitry VCOM AKIN1/GPIO21/ Ground pin for audio DAC circuitry...

  • Page 28: Electrical Adjustment

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 7 ELECTRICAL ADJUSTMENT This section describes procedures and instructions necessary for 7-1. STANDARD VIDEO LEVEL adjusting electrical circuits in this set. 1. Checking Video Output Level Instruments required: <Purpose> 1) Color monitor TV This checks whether video output level satisfy the NTSC standard.

  • Page 29: Troubleshooting

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 8 TROUBLESHOOTING 8-1. ELECTRICAL TROUBLE SHOOTING GUIDE 1. A. Power (DC-DC Converter) circuit No power on No power on by adaptor by battery Is adaptor Replace adaptor out 9.5V? Is battery OK? Replace battery Is P1 OK? Replace P1...
  • Page 30 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 D. Video out abnormal E. Picture abnormal F. Disc error VIDEO OUT ABNORMAL PICTURE ABNORMAL DISC ERROR Check video jack J4 & mode Check the disc Check disc Check U11 filter Check the traverse Check traverse Check the U9 (SDRAM)
  • Page 31 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 2. MPEG Circuit Power is on Does logo appear Check power & clock on the screen? Does the moving picture Is MPEG data Check CD/DVD of the DVD disc play signal normal? DSP output signal on the screen normally?
  • Page 32 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 3. Front Circuit START Power on Power Is DV33 OK? Check power green LED Do all Check the buttons work Replace U1 normally? Does Check remote remote control work Replace remote control control normally? Check DV33 Does IR1 work...
  • Page 33 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 4. RF/Servo Circuit No disc Put disc in? Check the RF Check the related connection between HA1 Disc ID is correct? circuit on U6 (MT1389LP) U6 (MT1389LP) RF signal Proper Does Check DMSO related DMSO signal on spindle circuit on U6 (MT1389LP)

  • Page 34: Lcd Trouble Shooting Guide

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 8-2. LCD TROUBLE SHOOTING GUIDE Appear shadow from interference in black background Display condition Inverter abnormal There is only bright (LCD B/D) abnormal Replace VCC5V normal Check CN3 PNL_DVDD 3V3 normal Check M1 VGH normal Check BD2 VGL normal...

  • Page 35: Repair Parts List

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 SECTION 9 REPAIR PARTS LIST 9-1. EXPLODED VIEWS NOTE: • Items marked “*” are not stocked since they are • -XX and -X mean standardized parts, so they The components identified by mark 0 or dotted seldom required for routine service. Some delay may have some difference from the original one. line with mark 0 are critical for safety. • Color Indication of Appearance Parts should be anticipated when ordering these items. Replace only with part number specified. Example: • The mechanical parts with no reference number Les composants identifiés par une marque 0 KNOB, BALANCE (WHITE) . . . (RED) in the exploded views are not supplied. sont critiques pour la sécurité. ↑ ↑ • Accessories and packing materials are given in Ne les remplacer que par une pièce portant le...

  • Page 36: 9-1-2. Main Block

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 9-1-2. MAIN BLOCK not supplied not supplied (TS2X4.5) not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied (TS2X8.5) (TS2X4.5) not supplied not supplied not supplied (TS2X4.5) not supplied not supplied not supplied (TS2X4.5)

  • Page 37: 9-1-3. Accessories

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 9-1-3. ACCESSORIES Remote (with battery) Audio/video cord (mini plug X 2 phono plug X 3) AC power adaptor Headphone Carrying case Car battery adaptor Headrest bracket Battery pack (NP-FX110) The components identified by mark Les composants identifiés par une marque 0 sont critiques pour la 0 or dotted line with mark 0 are critical for safety.

  • Page 38: Electrical Parts List

    DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 MAIN 9-2. ELECTRICAL PARTS LIST NOTE: • Items marked “*” are not stocked since they are • Abbreviation • Due to standardization, replacements in the parts seldom required for routine service. CND : Canadian model list may be different from the parts specified in the diagrams or the components used on the set. Some delay should be anticipated when ordering EA : Saudi Arabia model • -XX and -X mean standardized parts, so they these items. RUS : Russian model may have some difference from the original one. • SEMICONDUCTORS SP : Singapore model • RESISTORS In each case, u: µ, for example:...
  • Page 39 DVP-FX921/FX921K/FX930/FX930CC/FX930WM/FX935 REVISION HISTORY Ver. Date Description of Revision 2008.12 2009.03 Addition of DVP-FX921/FX921K/FX935 2009.05 Addition of AEP, UK, Singapore, Saudi Arabia and Russian models...

This manual is also suitable for:

Dvp-fx921kDvp-fx930Dvp-fx930ccDvp-fx930wmDvp-fx935

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