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Sony HCD-GRX9900 Service Manual

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HCD-GRX9900/RXD9
SERVICE MANUAL
HCD-GRX9900/RDX9 are the Amplifier,
CD player, Tape Deck and Tuner section
in MHC-GRX9900/RXD9.
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.
Amplifier section
US model:
AEP and UK models:
DIN power output (rated)
Continuous RMS power output (reference)
Music power output (reference)
MICROFILM
Photo: HCD-RXD9 (US model)
CD
Section
Tape deck
Section
SPECIFICATIONS
120 + 120 watts
(8 ohms at 1 kHz, DIN)
150 + 150 watts
(8 ohms at 1 kHz, 10% THD)
275 + 275 watts
(8 ohms at 1 kHz, 10% THD)
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Name
Optical Pick-up Name
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
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)
MINI Hi-Fi COMPONENT SYSTEM
US Model
AEP Model
UK Model
HCD-RXD9
E Model
HCD-GRX9900
NEW
CDM38LH-5BD32L
BU-5BD32L
KSS-213D/Q-NP
NEW
TCM-230AWR2
– Continued on next page –

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Summary of Contents for Sony HCD-GRX9900

  • Page 1 US Model AEP Model UK Model HCD-RXD9 E Model HCD-GRX9900 HCD-GRX9900/RDX9 are the Amplifier, CD player, Tape Deck and Tuner section Photo: HCD-RXD9 (US model) in MHC-GRX9900/RXD9. Dolby noise reduction manufactured under license Model Name Using Similar Mechanism from Dolby Laboratories Licensing Corporation.
  • Page 2 HCD-GRX9900/RXD9 7-7. SCHEMATIC DIAGRAM – BD Board – • See page 65 for Waveforms. • See page 66 for IC Block Diagrams. (Page 45) • Voltages and waveforms are dc with respect to ground The components identified by mark ! or dotted under no-signal conditions.
  • Page 3 HCD-GRX9900/RXD9 7-9. SCHEMATIC DIAGRAM – CD MOTOR Section – • See page 67 for IC Block Diagrams. DISC TRAY ADDRESS DETECT DISC TRAY SLIDE CLOSE OPEN (Page 45) MTZJ-T-72 (DISC TRAY SLIDE) DISC TRAY TURN DISC TRAY DISC IN DETECT...
  • Page 4 HCD-GRX9900/RXD9 7-11. SCHEMATIC DIAGRAM – AUDIO Board – • See page 68 for IC Block Diagram. PB EQ AMP (PLAYBACK) (DECK A) PB LEVEL (L) (DECK A) PB LEVEL (R) (DECK A) PB EQ AMP (DECK B) PB LEVEL (L)
  • Page 5 HCD-GRX9900/RXD9 7-12. PRINTED WIRING BOARD – LEAF SW Board – • See page 28 for Circuit Boards Location. • Semiconductor Location DECK B DECK A PLUNGER PLUNGER Ref. No. Location Ref. No. Location Q113 D141 E-10 D191 E-12 Q161 (DECK B PLAY)
  • Page 6 • Voltages and waveforms are dc with respect to ground HCD-GRX9900/RXD9 under no-signal (detuned) conditions. no mark : TUNER (FM/AM) ) : CD PLAY 7-15. SCHEMATIC DIAGRAM – MAIN Board (1/4) – (Page (Page 31) (Page 36) (Page (Page 36) (Page 50) –...
  • Page 7 HCD-GRX9900/RXD9 7-16. SCHEMATIC DIAGRAM – MAIN Board (2/4) – (Page (Page 61) (Page (Page 52) The components identified by mark ! or dotted • Voltages are dc with respect to ground under no-signal line with mark ! are critical for safety.
  • Page 8 HCD-GRX9900/RXD9 7-17. SCHEMATIC DIAGRAM – MAIN Board (3/4) – (Page 46) (Page 47) (Page 51) (Page 62) (Page 64) (Page 58) (Page 51) (Page 40) (Page 42) • Voltages are dc with respect to ground under no- signal (detuned) conditions.
  • Page 9 • Voltages and waveforms are dc with respect to ground HCD-GRX9900/RXD9 under no-signal (detuned) conditions. no mark : TUNER (FM/AM) ) : CD PLAY } : TAPE PLAYBACK (DECK A) ] : TAPE PLAYBACK (DECK B) 〈〈 〉〉 : RECOARD 7-18.
  • Page 10 HCD-GRX9900/RXD9 7-20. SCHEMATIC DIAGRAM – PANEL (1/3)/CD SW Board– • See page 68 for IC Block Diagrams. • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. (Page 59) (Page 59) (Page 57) no mark : TUNER (FM/AM) –...
  • Page 11 HCD-GRX9900/RXD9 7-21. SCHEMATIC DIAGRAM – PANEL (2/3) Board– • See page 65 for waveform. (Page 50) (Page 56) (Page 59) (Page 60) • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM) –...
  • Page 12 HCD-GRX9900/RXD9 7-22. SCHEMATIC DIAGRAM – PANEL (3/3) Board– • See page 68 for IC Block Diagrams. (Page 57) (Page 58) (Page 55) (Page 55) • Voltages and waveforms are dc with respect to ground under no-signal (detuned) conditions. no mark : TUNER (FM/AM) –...
  • Page 13 HCD-GRX9900/RXD9 7-24. SCHEMATIC DIAGRAM – TRANS Board – 7-23. PRINTED WIRING BOARD – TRANS Board – • See page 28 for Circuit Boards Location. (Page 63) (Page 48) (Page 64) (Page 50) • Voltages are dc with respect to ground under no-signal (detuned) conditions.
  • Page 14 HCD-GRX9900/RXD9 7-25. PRINTED WIRING BOARD – SUB TRANS Board (RXD9) – 7-26. SCHEMATIC DIAGRAM – SUB TRANS Board (RXD9) – • See page 28 for Circuit Boards Location. (Page 62) (Page (Page 61) • Voltages are dc with respect to ground under no-signal (detuned) conditions.
  • Page 15 • Waveforms • IC Block Diagrams – BD Board – – MAIN Board – – BD Board – IC101 CXD2587Q 1 IC101 ^¶ (XTAO) 5 IC101 @§ (MDP) 1 IC501 0 (XC-IN) 2.5 Vp-p 1.8 Vp-p ERROR 3.1 Vp-p DIGITAL CORRECTOR DIGITAL ASYMMETRY...

  • Page 16: Motor (Turn) Board

    IC103 CXA2568M-T6 HOLD APC PD AMP LC/PD APC LD AMP – LD ON – – – HOLD SW AGC CONT AGC VTH 50µA RF BOT – – – – RFTC RF SUMMING AMP RF EQ AMP RF I RF O –...

  • Page 17: Audio Board

    – AUDIO Board – IC602 µPC1330HA INVERTER COMPARATER SW P1 CONT GND SW P2 GND SW R1 GND SW R2 – PANEL Board – IC603 BA3830F IC604 NJU3716M-T2 RESET RESET 18 17 16 15 14 13 REFERENCE CURRENT REFERENCE CURRENT CONTROL LINE NF CIRCUIT...

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