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Sony MHC-AG121 Service Manual
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Sony MHC-AG121 Service Manual

Sony MHC-AG121 Service Manual

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SERVICE MANUAL
Ver 1.0 2004.04
• HCD-RG121 is the tuner, deck, CD and
amplifier section in MHC-RG121.
Amplifier section
AUDIO POWER SPECIFICATIONS
DIN power output (rated): 50 + 50 watts (6 ohms at
Continuous RMS power output (reference):
Music power output (reference):
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 50 + 50 watts (6 ohms at
Continuous RMS power output (reference):
CD player section
System
Laser
Frequency response
Wavelength
Signal-to-noise ratio
Dynamic range
Sony Corporation
9-877-658-01
Home Audio Company
2004D1679-1
Published by Sony Engineering Corporation
© 2004.04
HCD-RG121
Model Name Using Similar Mechanism
CD
CD Mechanism Type
Section
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape deck
Section
Tape Transport Mechanism Type
SPECIFICATIONS
Tape deck section
Recording system
Frequency response
1 kHz, DIN)
Tuner section
65 + 65 watts (6 ohms at
FM stereo, FM/AM superheterodyne tuner
1 kHz, 10% THD)
FM tuner section
130 + 130 watts (6 ohms at
Tuning range
1 kHz, 10% THD)
North American model:
Russian model:
1 kHz, DIN)
60 + 60 watts (6 ohms at
1 kHz, 10% THD)
Other models:
Antenna
Compact disc and digital
Antenna terminals
audio system
Intermediate frequency
Semiconductor laser
(λ=780 nm)
Emission duration:
continuous
2 Hz – 20 kHz (±0.5 dB)
780 – 790 nm
More than 90 dB
MINI HI-FI COMPONENT SYSTEM
More than 90 dB
AEP Model
UK Model
E Model
Australian Model
New
CDM74-K6BD80
KSM-213DCP/Z-NP
New
CWM43FF-05
4-track 2-channel, stereo
50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
87.5 – 108.0 MHz
(100-kHz step)
65.0 – 74.0 MHz
(There is no stereo effect.
10-kHz step)
87.5 – 108.0 MHz
(50-kHz step)
87.5 – 108.0 MHz
(50-kHz step)
FM lead antenna
75 ohms unbalanced
10.7 MHz
– Continued on next page –

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  • Page 1 2 Hz – 20 kHz (±0.5 dB) Wavelength 780 – 790 nm Signal-to-noise ratio More than 90 dB MINI HI-FI COMPONENT SYSTEM Dynamic range More than 90 dB Sony Corporation 9-877-658-01 Home Audio Company 2004D1679-1 Published by Sony Engineering Corporation © 2004.04...
  • Page 2 COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.

  • Page 3: Table Of Contents

    HCD-RG121 TABLE OF CONTENTS SERVICE POSITION ..........4 Unleaded solder Boards requiring use of unleaded solder are printed with the lead- GENERAL ..............6 free mark (LF) indicating the solder contains no lead. (Caution: Some printed circuit boards may not come printed with DISASSEMBLY the lead free mark due to their particular size.) 3-1.

  • Page 4: Service Position

    HCD-RG121 SECTION 1 SERVICE POSITION • SERVICE POSITION-1 (AMP BOARD) To inspect the AMP board, turn both of the front panel and the CD mechanism deck so that the left side of the product faces down. CD mechanism deck front panel AMP board...
  • Page 5 HCD-RG121 • SERVICE POSITION-2 (BD80A BOARD) Remove the CD mechanism deck and place it on top of the pedestal as shown. Inspect the BD80A bard in this set up. BD80A board CD mechanism deck...

  • Page 6: General

    HCD-RG121 SECTION 2 This section is extracted from instruction manual. GENERAL List of button locations and reference pages How to use this page Illustration number Use this page to find the location of buttons and other TAPE A/B ed (18, 19, 20, 24) parts of the system that are mentioned in the text.
  • Page 7 HCD-RG121 Remote control ALPHABETICAL ORDER BUTTON DESCRIPTIONS ?/1 (power) 1 (8, 26) A – E F – Z m/M (rewind/fast forward) ALBUM –* qd (12, 14) FM MODE 4 (17) 7 (12, 19) ALBUM +* qa (12, 14) FUNCTION 6 (11, 14, 15, 16) –/+ (tuning) qh (15) CD qk (11, 14) PLAY MODE w;...

  • Page 8: Disassembly

    HCD-RG121 SECTION 3 DISASSEMBLY Note: Disassemble the unit in the order as shown below. 3-1.COVER (TOP) (Page 9) 3-2.CD DOOR (Page 9) 3-3.FRONT PANEL SECTION (Page 10) 3-5.TAPE MECHANISM DECK, 3-6.PANEL BOARD 3-4.CD MECHANISM DECK (CDM74-K6BD80) GAME JACK BOARD (Page 11) (Page 11) (Page 10) 3-14.OPTICAL PICK-UP...

  • Page 9: Cover (Top)

    HCD-RG121 3-1. COVER (TOP) qa two screws (+BVTP 3 × 10) qf cover (top) 6 two screws (Case 3 TP2) cover (Side-L) 8 screw (+BVTP 3 × 10 ) cover (Side-R) 9 screw (+BVTP 3 × 10 ) 3 screw (+BVTP 3 ×...

  • Page 10: Front Panel Section

    HCD-RG121 3-3. FRONT PANEL SECTION 4 screw (+BVTP 3 × 8 ) 0 connector 3p (CN314C) 8 wire (flat type) 7 core (CN253) 6 connector 2p (CN805) 3 screw (+BVTP 3 × 10) 5 screw (+BVTP 3 × 8 ) qa connector 3p (CN112) 2 screw (+BVTP 3 ×...

  • Page 11: Tape Mechanism Deck, Game Jack Board

    HCD-RG121 3-5. TAPE MECHANISM DECK, GAME JACK BOARD 3 TRANSRATION board 2 six screws (+BVTP 2.6 × 8) 1 wire (flat type) 13 core (CN602) 6 GAME JACK board 5 two screws (+BVTP 2.6 × 8) 4 tape mechanism deck 3-6.

  • Page 12: Back Panel Section, Sub-Trans Board

    HCD-RG121 3-7. BACK PANEL SECTION, SUB-TRANS BOARD 9 back panel section 7 connector 8 SUB-TRANS board 2p (CN901) 6 two screws (+BVTT 3 × 10 ) 5 two screws (+BVTT 3 × 10) 1 connector 2 connector 2p (CN904) 2p (CN906) 4 two screws 3 wire (flat type) (+BVTP 3 ×...

  • Page 13: Main Board

    HCD-RG121 3-9. MAIN BOARD 4 MAIN board 1 connector 10p (CN907) Main board 3 connector 13p (CN441) 2 two screws (+BVTP 3 × 8 ) 3-10. AMP BOARD 1 two screws (+BVTT 3 × 8 ) 2 screw 3 two screws (+BVTP 3 ×...

  • Page 14: Bd80A Board

    HCD-RG121 3-11. BD80A BOARD 3 screw (+BVTP 2.6 × 8 ) 1 wire (flat type) 17 core (CN201) speacer 5 BD80A board 2 wire (flat type) 16 core (CN101) Remove soldering from the four points. 3-12. CONNECT BOARD 1 wire (flat type) 17 core (CN201) 2 two screws (+BVTP 2.6 ×...

  • Page 15: Driver Board, Sw Board

    HCD-RG121 3-13. DRIVER BOARD, SW BOARD 1 two screws (+BTTP (M2.6)) 3 connector 4p (CN703) 4 DRIVER board 5 screw (+BTTP (M2.6)) 6 SW board 2 wire (flat type) 5p (CN702) 3-14. OPTICAL PICK-UP (KSM-213DCP/Z-NP) 1 floating screw (+PTPWH M2.6) 6 two insulators 2 h older (213) ASSY qh optical pick-up...

  • Page 16: Sensor Board

    HCD-RG121 3-15. SENSOR BOARD 1 floating screw (+PTPWH M2.6) 2 t ray 8 s crew (+BTTP (M2.6)) 3 b elt (table) 0 SENSOR board 4 foating screw (+PTPWH M2.6) 5 p ulley (table) 6 floating screw 9 connector (+PTPWH M2.6) ( CN731) 7 g ear (geneva) 3-16.

  • Page 17: Motor (Ld) Board

    HCD-RG121 3-17. MOTOR (LD) BOARD 2 two screws (+BTTP (M2.6)) 4 Remove the two solderings of motor. 3 MOTOR (LD) board 5 l oading motor assy (M751) 1 b elt (loading)

  • Page 18: Test Mode

    HCD-RG121 SECTION 4 TEST MODE [Change-over of AM Tuner Step between 9 kHz and 2) Error display 10 kHz] Disc error • A step of AM channels can be changed over between 9 kHz and Display Error 10 kHz. E00D01022 Focus error (No disc) E00D02022 Sub Q error (Focus is good)
  • Page 19 HCD-RG121 [PANEL Test Mode] [MC Test Mode] • All fluorecent segments and LEDs are tested. • This mode is used to test the function of the equalizer. • Keyboard check. Procedure: 1. Press ?/1 button to turn the set ON. Procedure: 1.
  • Page 20 HCD-RG121 [CD Repeat 5 Times Limit Release Mode] Procedure: 1. Press ?/1 button to turn the set ON. 2. Select the function “CD”. 3. Press three buttons x , CD and ENTER simultaneously. 4. The message “LIMIT OFF” is displayed. 5.

  • Page 21: Diagrams

    HCD-RG121 SECTION 5 • Circuit Boards Locations DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) SENSOR board BD80A board Note on Schematic Diagram: Note on Printed Wiring Boards: •...

  • Page 22: Block Diagram - Panel Section

    HCD-RG121 5-1. BLOCK DIAGRAM – PANEL SECTION – IC601(1/2) SYSTEM CONTROLLER S641-S650 Q610 FUNCTION STREM-LED1 25 KEY3 DRIVER LED851 S601-S608,S610-S612 FUNCTION 27 KEY1 S621-S624,S627-S630 FUNCTION 26 KEY2 S851 9 VOLUME-IN1 MASTER VOLUME ENCODER 10 VOLUME-IN2 PT901 POWER TRANSFORMER F904 D401 IC302 +3.5V F905...

  • Page 23: Block Diagrams - Main Section

    HCD-RG121 5-2. BLOCK DIAGRAMS – MAIN SECTION – IC101 SOUND PROCESSOR CD-L IC441 1 CDL BD/DRIVER CD-R IC102 JK441 POWER AMP SECTION R-CH BUFFER RY441 (Page 24) SWITCH Q304-Q307 VOUT2 Q481,Q482 SPEAKER VOUT1 R-CH OVERLOAD R-CH CD-MUTE TUNER MUTE R-CH Q441,Q442 Q101-Q104 Q489...

  • Page 24: Block Diagrams - Bd/Driver Section

    HCD-RG121 5-3. BLOCK DIAGRAMS – BD/DRIVER SECTION – OPTICAL PICK-UP BLOCK (KSM-213DCP/Z-NP) IC101 DETECTOR RF AMP • R-CH is omitted due to same as L-CH +1.7V • Signal Path IC701 : CD (LD)MOTOR DRIVER CN701 OUT1 OUT2 M751(LOADING) TM-R MAIN TM-F SECTION M741(TBL)

  • Page 25: Printed Wiring Board - Bd80A Section

    HCD-RG121 5-4. PRINTED WIRING BOARD – BD80A SECTION – • : Uses unleaded solder. SPINDLE MOTOR (LIMIT) IC251 SLED MOTOR OPTICAL PICK-UP BLOCK (KSM–213DCP) IC101 CONNECT BOARD CN872 (Page 32)

  • Page 26: Schematic Diagram - Bd80A Section

    HCD-RG121 5-5. SCHEMATIC DIAGRAM – BD80A SECTION – TP46 TP45 CN101 TP27 IOP1 IOP2 2SB1690K TOP1 JR111 TP014 TP17 TP18 JR105 TP19 0.001 TP015 100k TP28 TP22 C142 C133 0.0015 C151 0.01 TP23 TP21 R143 TP012 TP24 C125 AGND 3.3k RFACO TP25 R133...

  • Page 27: Printed Wiring Board - Cd Mechanism Section

    HCD-RG121 5-6. PRINTED WIRING BOARD – CD MECHANISM SECTION – MAIN BOARD CN301 (Page 29) • Semiconductor S751 Location CN751 (LEVER SW) Ref. No. Location D701 D711 IC701 IC712 IC731 E-11 Q731...

  • Page 28: Schematic Diagram - Cd Mechanism Section

    HCD-RG121 5-7. SCHEMATIC DIAGRAM – CD MECHANISM SECTION – no mark : FM...

  • Page 29: Printed Wiring Board - Main Section

    HCD-RG121 5-8. PRINTED WIRING BOARD – MAIN SECTION – • : Uses unleaded solder. GAMEJACK DRIVER BOARD BOARD CN801 CN701 (Page 32) (Page 27) EXCEPT AEP, UK TUNER AEP, UK IC371 • Semiconductor Location CONNECT BOARD Ref. No. Location CN874 (Page 32) AEP.UK D201...

  • Page 30: Schematic Diagram - Main Section (1/2)

    HCD-RG121 5-9. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) – R385 R386 4.7k R389 R390 R387 4.7k 4.7k R151 R388 R392 R391 4.7k Q101 2SC1623 R394 R393 R152 R218, R219 R216 R217 R154 R153 R219 680 2W : AEP, UK CN309 C235 R395 680 3W : EXCEPT AEP, UK...

  • Page 31: Schematic Diagram - Main Section (2/2)

    HCD-RG121 5-10. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) – Q362 2SC1623 C270 10 50V R362 R361 2.2k R364 Q361 4.7k 2SA1235 R363 4.7k R275 D316 R274 1SS355 Q315 2SC1623 Q314 2SA1235 R323 R253 C252 4.7k R321 C312 4.7k R324 R322 R262 D212 C253...

  • Page 32: Printed Wiring Board - Panel Comb Section

    HCD-RG121 • : Uses unleaded solder. 5-11. PRINTED WIRING BOARD – PANEL COMB SECTION – PANEL BOARD CN603 (Page 34 ) (AMS- (AMS+ HML-) HML+) MAIN BOARD CN309 (Page 29) (CHASSIS) (ILLUMINATION LIGHT) PHONES MAIN PANEL BOARD BOARD CN305 CN604 (Page 29) (Page 34) MASTER VOLUME...

  • Page 33: Schematic Diagram - Panel Comb Section

    HCD-RG121 5-12. SCHEMATIC DIAGRAM – PANEL COMB SECTION – C830 C831 1000p 1000p S851 J801 JW275 JW865 ENCORDER JW276 JW866 SW851 CN872 SW ESE24SV CN874 CN804 C832 R852 1/8W JW862 R853 JW863 FB871 W803 WIRE LED851 JW864 SELU5223C FB872 CN873 -STP15 JW876 CN851...

  • Page 34: Printed Wiring Board - Panel Section

    HCD-RG121 • : Uses unleaded solder. 5-13. PRINTED WIRING BOARD – PANEL SECTION – D620 D621 D622 D623 AEP, UK CONNECT MX, AR, E2, E51 BOARD CN873 (CHASSIS) ES, AUS, SP (Page 32) (FLUORESCENT INDICATOR TUBE) DISPLAY IC601 DISC 1 GROOVE IC610 DISC 2...

  • Page 35: Schematic - Panel Section (1/2)

    HCD-RG121 5-14. SCHEMATIC – PANEL SECTION (1/2) – R698 Q610 DTC143EKA -T146 CN604 CN601 29P : EXCEPT AEP,UK 31P : AEP,UK AEP,UK AEP,UK JW784 BU1924 DATA EXCEPT JW783 BU1924 CLK AEP,UK JW601 JW602 R629 R628 D605 1SS355TE-17 R627 R854 R690 R639 D604 4.7k...

  • Page 36: Schematic - Panel Section (2/2)

    HCD-RG121 5-15. SCHEMATIC – PANEL SECTION (2/2) – D620 D621 D622 D623 1SS355TE-17 1SS355TE-17 1SS355TE-17 1SS355TE-17 AEP, UK MX, AR, E2, E51 FL601 ES, AUS, SP C623 C622 CN603 R710 R712 R778 R719 C620 R718 C621 LED601 3.3k SELU5223C -STP15 R777 0.022 R716...

  • Page 37: Printed Wiring Board - Trans Section

    HCD-RG121 5-16. PRINTED WIRING BOARD – TRANS SECTION – • : Uses unleaded solder. SP, E2, E3, E51, EA AEP, UK, MX, AR, AUS POWER TRANSFORMER JW913 POWER TRANSFORMER (MAIN) (SUB) AEP, UK, AR, AUS E2, E3, SP, EA, E51, MX BOARD CN442 (Page 38)

  • Page 38: Printed Wiring Board - Amp Section

    HCD-RG121 • : Uses unleaded solder. 5-17. PRINTED WIRING BOARD – AMP SECTION – SPEAKER (IMPEDANCE USE 6–16 ) AEP,UK EXCEPT AEP, UK IC441 EXCEPT AEP, UK (CHASSIS) MAIN BOARD CN307 (Page 29) (CHASSIS) • Semiconductor Location Ref. No. Location D401 D441 D442...

  • Page 39: Schematic Diagram - Amp Power Section

    HCD-RG121 5-18. SCHEMATIC DIAGRAM – AMP POWER SECTION – PT901 F904 T6.3AL/250V CN905 AUS, AR JW907 FH908 FH907 AEP, UK JW908 AEP, UK, MX, AR, AUS SP, E2, E3, E51, EA CN903 CN904, CN903 FH910 FH909 CN904 F905 2P : AEP, UK, MX. AR, AUS JW910 JW901 T6.3AL/250V...
  • Page 40 HCD-RG121 • IC BLOCK DIAGRAMS IC701, 712 BA6956AN (DRIVER BOARD) IC201 BA3126N (MAIN BOARD) CONTROL LOGIC IC101 BD3401KS2 (MAIN BOARD) IC251 BA5947FM (BD80A BOARD) CH1PUTF CH4OUTR VOLOUT2 TNF2 BASS MIDDLE TREBLE CH4OUTF CH1OUTR TNF1 BBNF2 CH3OUTF CH2OUTF PIN26 6.5k CH2OUTR CH3OUTR SUR1 BBIN2...
  • Page 41 HCD-RG121 IC371 BU2099FV (MAIN BOARD) 12BIT SHIFT REGESTER 12BIT STORAGE RAGESTER OUTPUT BUFFER (Open Drain)

  • Page 42: Ic Pin Function Description

    HCD-RG121 5-19. IC PIN FUNCTION DESCRIPTION • IC101 CXD3058AR (RF AMP) (BD80A BOARD) Pin No. Pin Name Description MIRR Mirror signal input/output (Not used) DFCT Defect signal input/output (Not used) Focus OK signal input/output (Not used) – Internal digital ground GFS is sampled at 460Hz;...
  • Page 43 HCD-RG121 Pin No. Pin Name Description CLTV Multiplier VCO1 control voltage input FILO Master PLL (slave = digital PLL) filter output FILI Master PLL filter input Master PLL charge pump output AVDD5 – Analog power supply DDVROUT DC/DC converter output DDVRSEN DC/DC converter output voltage monitor pin AVSS5...
  • Page 44 HCD-RG121 Pin No. Pin Name Description XLAT Latch input from CPU The serial data is latched at the falling edge CLOCK Serial data transfer clock input from CPU – Internal digital power supply SENS SENS output to CPU SCLK SENS serial data readout clock input ATSK Anti-shock input/output WFCK...
  • Page 45 HCD-RG121 • IC601 LC876972B-52S2-E (SYSTEM CONTROLLER) (PANEL BOARD) Pin No. Pin Name Description O-MP3 CS CS output to CD Digital Processor(Not used) O-MP3 LP MOTER Motor signal output I-MP3 ACK SOL-B Motor signal input O-MP3 REQ SOL-A Motor signal output I-SCOR CD Scor input RESET output to CD Digital Processor...
  • Page 46 HCD-RG121 Pin No. Pin Name Description FL tube segment signal output S7/METER-SW1 FL tube segment signal output -VPP – Power supply (-) S8/METER-SW2 FL tube segment signal output S9/METER-SW3 FL tube segment signal output S10/SW1 FL tube segment signal output S11/SW2 FL tube segment signal output S12/SW3...
  • Page 47 HCD-RG121 Pin No. Pin Name Description I-MP3-DI Data input from CD Digital Processor(Not used) O-MP3-CLK Clock output to CD Digital Processor(Not used)

  • Page 48: Exploded Views

    3-363-099-32 SCREW (CASE 3 TP2) 1-400-285-11 F-BEAD, E2515 MRT 4-245-183-91 CASE (SIDE-L) 4-245-184-91 CASE (SIDE-R) 4-252-196-51 DOOR, CD 0 PT902 3-038-018-01 EMBLEM, SONY X-4956-322-1 SUB TRANS ASSY (EA, MX) 4-244-849-91 CASE (TOP) 0 PT902 X-4956-293-1 SUB TRANS ASSY (AEP, UK) 0 PT902...

  • Page 49: Front Panel Section

    HCD-RG121 6-2. FRONT PANEL SECTION not supplied not supplied supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref.

  • Page 50: Main Board Section

    HCD-RG121 6-3. MAIN BOARD SECTION not supplied PT901 not supplied F904 F906 F905 F907 not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-242-527-01 S-SCREW, ITC+4-8 R 3-905-609-41 SCREW (TRANSISTOR) (EXCEPT MX) A-4751-562-A AMP BOARD, COMPLETE (AEP, UK) A-4750-786-A TRANS BOARD, COMPLETE (AEP, UK) A-4751-572-A AMP BOARD, COMPLETE (SP, E2, E3, E51) A-4752-239-A AMP BOARD, COMPLETE (EA)

  • Page 51: Cd Mechanism Deck Section-1 (Cdm74-K6Bd80)

    HCD-RG121 6-4. CD MECHANISM DECK SECTION-1 (CDM74-K6BD80) M741 CD mechanism deck section-2 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-218-253-21 SCREW (M2.6), +BTTP 4-243-820-01 GEAR (TABLE) 1-776-182-11 WIRE (FLAT TYPE) (5 CORE) 1-687-134-12 MOTOR (TB) BOARD 4-243-819-01 GEAR (GENEVA) 4-243-815-01 TABLE (LOADING) 4-243-816-01 TRAY...

  • Page 52: Cd Mechanism Deck Section-2 (Cdm74-K6Bd80)

    HCD-RG121 6-5. CD MECHANISM DECK SECTION-2 (CDM74-K6BD80) RE701 M751 not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-687-135-12 DRIVER BOARD 4-231-189-01 PULLEY (B), CHUCKING 4-218-253-31 SCREW (M2.6), +BTTP X-4955-536-1 HOLDER (213) ASSY 1-687-669-12 SW BOARD 4-227-549-11 INSULATOR 4-244-034-01 BELT (LOADING)

  • Page 53: Electrical Parts List

    HCD-RG121 SECTION 7 ELECTRICAL PARTS LIST 1 STREAM LED Note: When indicating parts by reference num- • Due to standardization, replacements in the • COILS ber, please include the board name. uH : µH parts list may be different from the parts The components identified by mark 0 or specified in the diagrams or the components •...
  • Page 54 HCD-RG121 BD80A Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < IC > R466 1-247-873-91 CARBON 1/4W R467 1-249-435-11 CARBON 1/4W 0 IC441 6-705-845-01 IC STK403-090 R481 1-247-847-91 CARBON 4.7K 1/4W R482 1-249-429-11 CARBON 1/4W < TERMINAL BOARD > R483 1-247-791-91 CARBON 1/4W...
  • Page 55 HCD-RG121 BD80A CONNECT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C162 1-164-360-11 CERAMIC CHIP 0.1uF R111 1-216-821-11 METAL CHIP 1/10W C163 1-164-360-11 CERAMIC CHIP 0.1uF C164 1-164-360-11 CERAMIC CHIP 0.1uF R112 1-216-835-11 METAL CHIP 1/10W R113 1-216-821-11 METAL CHIP 1/10W...
  • Page 56 HCD-RG121 CONNECT DRIVER GAME JACK H/P JACK MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < SHORT > C803 1-165-128-11 CERAMIC CHIP 0.22uF C804 1-165-128-11 CERAMIC CHIP 0.22uF JR871 1-216-864-11 SHORT CHIP JR872 1-216-864-11 SHORT CHIP <...
  • Page 57 HCD-RG121 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C125 1-162-953-11 CERAMIC CHIP 100PF C209 1-162-971-11 CERAMIC CHIP 0.001uF (AEP, UK) C126 1-162-971-11 CERAMIC CHIP 0.001uF C211 1-109-953-11 ELECT 2.2uF C127 1-104-658-91 ELECT 100uF C128 1-104-658-91 ELECT 100uF C212...
  • Page 58 HCD-RG121 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C308 1-126-965-91 ELECT 22uF D316 8-719-988-61 DIODE 1SS355TE-17 C309 1-126-965-91 ELECT 22uF D321 8-719-988-61 DIODE 1SS355TE-17 C310 1-126-936-11 ELECT 3300uF D322 8-719-988-61 DIODE 1SS355TE-17 C311 1-126-964-11 ELECT 10uF D324 6-500-522-21 DIODE 10EDB40-TB3...
  • Page 59 HCD-RG121 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q361 6-550-580-01 TRANSISTOR 2SA1235TP-1F R170 1-216-833-11 METAL CHIP 1/10W R171 1-218-867-11 METAL CHIP 6.8K 0.5% 1/10W Q362 8-729-120-28 TRANSISTOR 2SC1623-L5L6 R171 1-216-833-11 METAL CHIP 1/10W < RESISTOR > R172 1-216-809-11 METAL CHIP 1/10W...
  • Page 60 HCD-RG121 MAIN MOTOR (LD) MOTOR (TB) PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R263 1-216-857-11 METAL CHIP 1/10W R386 1-216-837-11 METAL CHIP 1/10W R264 1-216-821-11 METAL CHIP 1/10W R387 1-216-829-11 METAL CHIP 4.7K 1/10W R265 1-216-833-11 METAL CHIP 1/10W...
  • Page 61 HCD-RG121 PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C636 1-162-927-11 CERAMIC CHIP 100PF IC603 6-704-045-01 IC MM1574ANLE IC604 8-759-533-04 IC M62703ML-E1 C637 1-162-927-11 CERAMIC CHIP 100PF C638 1-162-927-11 CERAMIC CHIP 100PF < SHORT > C639 1-162-927-11 CERAMIC CHIP 100PF...
  • Page 62 HCD-RG121 PANEL Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R628 1-216-833-11 METAL CHIP 1/10W R692 1-216-809-11 METAL CHIP 1/10W R629 1-216-150-91 RES-CHIP 1/8W R693 1-216-809-11 METAL CHIP 1/10W R630 1-216-809-11 METAL CHIP 1/10W (AEP, UK) R694 1-216-809-11 METAL CHIP 1/10W...
  • Page 63 HCD-RG121 PANEL SENSOR SUB-TRANS Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R764 1-216-845-11 METAL CHIP 100K 1/10W S646 1-762-875-21 SWITCH, KEYBOARD (M) R765 1-216-845-11 METAL CHIP 100K 1/10W R766 1-216-845-11 METAL CHIP 100K 1/10W S647 1-762-875-21 SWITCH, KEYBOARD (m) R767 1-216-845-11 METAL CHIP...
  • Page 64 HCD-RG121 TRANS TRANSLATION VIDEO OUT Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < SWITCH > TRANSLATION BOARD (AEP, UK) ************************** 0 S901 1-786-055-21 SELECTOR, VOLTAGE (VOLTAGE SELECTOR) (EA, SP, E2, E3, E51) < CAPACITOR > ************************************************************ C861 1-162-964-11 CERAMIC CHIP...
  • Page 65 HCD-RG121 MEMO...
  • Page 66 HCD-RG121 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2004.04...

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