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MICROFILM

SERVICE MANUAL

MINI Hi-Fi COMPONENT SYSTEM

US Model

AEP Model

UK Model

HCD-RXD9

E Model

HCD-GRX9900

SPECIFICATIONS

HCD-GRX9900/RXD9

Photo: HCD-RXD9 (US model)

Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol 

a

 are trade-

marks of Dolby Laboratories Licensing Corporation.

HCD-GRX9900/RDX9 are the Amplifier,
CD player, Tape Deck and Tuner section
in MHC-GRX9900/RXD9.

Amplifier section

US model:

AEP and UK models:
DIN power output (rated)

120 + 120 watts
(8 ohms at 1 kHz, DIN)

Continuous RMS power output (reference)

150 + 150 watts
(8 ohms at 1 kHz, 10% THD)

Music power output (reference)

275 + 275 watts
(8 ohms at 1 kHz, 10% THD)

E models:
The following measured at AC 120, 220, 240 V 50/60 Hz
DIN power output (rated)

200 + 200 watts
(6 ohms at 1 kHz, DIN)

Continuous RMS power output (reference)

250 + 250 watts
(6 ohms at 1 kHz, 10% THD)

– Continued on next page –

Model Name Using Similar Mechanism

NEW

CD Mechanism Type

CDM38LH-5BD32L

Base Unit Name

BU-5BD32L

Optical Pick-up Name

KSS-213D/Q-NP

Model Name Using Similar Mechanism

NEW

Tape Transport Mechanism Type

TCM-230AWR2

CD

Section

Tape deck
Section

Summary of Contents for HCD-GRRXD9

Page 1: ... AEP and UK models DIN power output rated 120 120 watts 8 ohms at 1 kHz DIN Continuous RMS power output reference 150 150 watts 8 ohms at 1 kHz 10 THD Music power output reference 275 275 watts 8 ohms at 1 kHz 10 THD E models The following measured at AC 120 220 240 V 50 60 Hz DIN power output rated 200 200 watts 6 ohms at 1 kHz DIN Continuous RMS power output reference 250 250 watts 6 ohms at 1 k...

Page 2: ...ith mark are critical for safety Replace only with part number specified 7 7 SCHEMATIC DIAGRAM BD Board See page 65 for Waveforms See page 66 for IC Block Diagrams Voltages and waveforms are dc with respect to ground under no signal conditions no mark CD STOP CD PLAY Page 45 ...

Page 3: ...agrams Voltages are dc with respect to ground under no signal conditions no mark CD STOP DISC TRAY ADDRESS DETECT DISC TRAY SLIDE CLOSE OPEN B DISC TRAY SLIDE DISC IN DETECT SENSOR DISC TRAY SENSOR DISC TRAY TURN DISC TRAY TURN MOTOR DRIVER LEVEL SHIFT C MTZJ T 72 MTZJ T 72 Page 45 Page 45 ...

Page 4: ...11 SCHEMATIC DIAGRAM AUDIO Board See page 68 for IC Block Diagram Voltages are dc with respect to ground under no signal conditions no mark TAPE PLAY RECORD PB LEVEL L DECK A PB LEVEL R DECK A PB LEVEL L DECK B PB LEVEL R DECK B PB EQ AMP DECK A PB EQ AMP DECK B SWITCHING REC BIAS L DECK B REC BIAS R DECK B BIAS OSC REC BIAS 6 8 PLAYBACK D Page 49 ...

Page 5: ...1 Q338 F 1 Q339 F 1 Q340 E 1 Q341 E 1 Q342 F 1 Q343 E 1 Q401 F 12 Q402 E 12 Q411 G 2 Q412 G 3 Q431 G 12 Q432 G 11 Q433 F 11 Q434 F 11 Q435 F 11 Q436 F 11 Q437 G 12 Q439 F 12 Q471 F 2 Q501 D 7 Q508 D 7 Q509 E 7 Q801 H 10 Q803 G 10 Q804 G 9 Q831 G 10 Q832 G 10 Q851 J 10 Q881 I 9 Q901 H 2 Q902 I 1 Q903 H 1 Q904 G 4 Q905 G 4 Q907 G 5 Q908 G 4 Q909 I 4 Q913 H 1 Q914 G 2 Q923 H 1 Q951 G 2 Q952 H 1 Ref N...

Page 6: ... RXD9 45 46 7 15 SCHEMATIC DIAGRAM MAIN Board 1 4 Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM CD PLAY Page 50 Page 36 Page 36 Page 31 Page 51 Page 47 ...

Page 7: ...by mark or dotted line with mark are critical for safety Replace only with part number specified 7 16 SCHEMATIC DIAGRAM MAIN Board 2 4 Voltages are dc with respect to ground under no signal detuned conditions no mark FM Page 52 Page 50 Page 46 Page 61 ...

Page 8: ...th respect to ground under no signal detuned conditions no mark TUNER FM AM CD PLAY TAPE PLAYBACK DECK A TAPE PLAYBACK DECK B RECORD 7 17 SCHEMATIC DIAGRAM MAIN Board 3 4 Page 46 Page 47 Page 62 Page 51 Page 64 Page 58 Page 51 Page 40 Page 42 ...

Page 9: ...GRAM MAIN Board 4 4 See page 65 for Waveforms Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM CD PLAY TAPE PLAYBACK DECK A TAPE PLAYBACK DECK B RECOARD Page 46 Page 48 Page 50 Page 50 ...

Page 10: ... 55 56 Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM 7 20 SCHEMATIC DIAGRAM PANEL 1 3 CD SW Board See page 68 for IC Block Diagrams Page 57 Page 59 Page 59 ...

Page 11: ...RXD9 57 58 Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM 7 21 SCHEMATIC DIAGRAM PANEL 2 3 Board See page 65 for waveform Page 60 Page 50 Page 59 Page 56 ...

Page 12: ...59 60 7 22 SCHEMATIC DIAGRAM PANEL 3 3 Board See page 68 for IC Block Diagrams Voltages and waveforms are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM Page 57 Page 58 Page 55 Page 55 ...

Page 13: ...ed 61 62 Semiconductor Location Ref No Location D971 G 2 D972 G 1 D973 G 1 Q971 G 1 7 23 PRINTED WIRING BOARD TRANS Board See page 28 for Circuit Boards Location 7 24 SCHEMATIC DIAGRAM TRANS Board Voltages are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM Page 64 Page 63 Page 43 Page 43 Page 48 Page 50 ...

Page 14: ...C 2 D13 C 1 D14 C 2 D15 C 2 D16 E 3 D17 D 2 D18 D 2 D19 D 2 D20 D 2 D21 D 2 D22 D 1 D23 D 1 IC11 D 3 Q11 E 2 Q12 D 2 Q13 D 2 Q14 D 1 Q15 D 1 Q16 D 1 Q17 D 1 The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified Voltages are dc with respect to ground under no signal detuned conditions no mark TUNER FM AM K Page 61 Page 50 Page 43 ...

Page 15: ...QSO 5 9 8 7 6 56 60 53 54 55 59 57 58 51 52 48 49 50 47 44 45 46 43 41 42 XLAT CLOK SENS SYSM DATA XUGF XPCK GFS C2PO WFCK 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 32 33 30 31 36 37 34 35 39 40 38 28 27 29 SPOA ATSK SCLK VDD SCOR SPOB XLON XTAI XVDD EMPH AVDD1 AOUT1 AIN1 XTAO XVSS AIN2 AOUT2 AVDD2 RMUT LOUT2 LOUT1 BCK LRCK PCMD LMUT AVSS1 AVSS2 CPU INTERFACE SERVO AUTO SEQUENCER SERIAL I...

Page 16: ... AGC CONT RFTC RF I RF O RFE TE FE RF BOT HOLD AGC VTH LD PD A B C D VEE F E VC 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 VCC MOTOR TURN Board IC701 M54641L REG CONTROL INPUT AMP INPUT AMP 1 2 3 4 5 6 7 8 POWER AMP POWER AMP VCC OUT1 IN2 REFERENCE GND IN1 OUT2 VCC MOTOR SLIDE Board IC801 BA6286N POWER SAVE CONTROL LOGIC TSD 1 2 3 4 5 6 7 8 9 10 GND RIN VREF OUT2 RNF GND OUT1 V...

Page 17: ... 1 REC NF REC IN 6 RESET C 7 BIAS C 8 GND 9 5 IC604 NJU3716M T2 OUTPUT CIRCUIT LATCH CIRCUIT SHIFT REGISTER CONTROL CIRCUIT 20 21 19 23 24 22 18 17 16 15 14 13 4 3 2 1 6 P7 P8 P9 P10 P11 VSS P12 P13 P14 P15 P16 7 SO 8 9 10 11 12 5 VDD P6 P5 P4 P3 P2 VSS P1 CLR STB CLK DATA OSCILLATOR 1 2 VCC AUTO RESET LPF1 MAIN CONTROL A D 20KBIT SRAM LPF2 D A 1 2 3 4 5 6 7 8 9 10 14 13 12 11 CLOCK RESET MO MI D1...

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