Sony HCD-GRX9900 User manual

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 aare trade-

marks of Dolby Laboratories Licensing Corporation.

HCD-GRX9900/RDX9 are the Amplifier,

CD player,Tape Deck andTuner 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 atAC 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

Section

Tape deck

Section

HCD-GRX9900/RXD9

– 31 – – 32 –

The components identified by mark !or dotted

line with mark !are critical for safety.

Replaceonlywithpartnumberspecified.

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)

HCD-GRX9900/RXD9

– 35 – – 36 –

7-9. SCHEMATIC DIAGRAM – CD MOTOR Section – • See page 67 for IC Block Diagrams.

• Voltages are dc with respect to ground under no-signal

conditions.

no mark : CD STOP

DISC TRAY

ADDRESS DETECT

DISC TRAY SLIDE

OPEN

(DISC TRAY SLIDE)

DISC IN DETECT

SENSOR DISC TRAY

SENSOR

DISC

TRAY

TURN

DISC TRAY TURN

MOTOR DRIVER

LEVEL SHIFT

MTZJ-T-72

(Page 45)

HCD-GRX9900/RXD9

– 39 – – 40 –

The components identified by mark !or dotted

line with mark !are critical for safety.

Replaceonlywithpartnumberspecified.

7-11. 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)

HCD-GRX9900/RXD9

– 41 – – 42 –

DECK A

PLUNGER

DECK B

PLUNGER

(DECK A PLAY)

(DECK A HALF) (DECK A 120/70) (DECK A REC)

(DECK B HALF)

(DECK B PLAY)

(DECK B 120/70)

(DECK B REC)

()

DECK B

PLUNGER DECK A

PLUNGER

(CAPSTAN)

(DECK A 120/70)

(DECK A HALF)

(DECK A REC)

(DECK B HALF)

(DECK B REC)

(DECK B 120/70)

ROTATION DETECT SENSOR

(DECK A)

ROTATION DETECT

SENSOR (DECK B)

(DECK A PLAY) (DECK B PLAY)

CONTROL SWITCH

7-12. PRINTED WIRING BOARD – LEAF SW Board – • See page 28 for Circuit Boards Location.

7-13. SCHEMATIC DIAGRAM – LEAF SW Board –

• Voltages are dc with respect to ground under no-signal

conditions.

no mark : TAPE PLAY

( ) : RECORD

∗: Impossible to measure

(Page 49)

(Page 43)

Q113 E-9

Q161 C-9

Q162 C-9

Q163 E-9

Q191 E-12

Q192 E-10

Q201 D-9

Q251 C-9

Q331 C-1

Q332 C-2

Q333 C-2

Q334 C-2

Q335 D-1

Q336 F-1

Q337 F-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. No. LocationRef. No. Location

D141 E-10

D191 E-12

D331 E-1

D333 F-1

D334 E-1

D335 F-1

D401 G-11

D403 F-12

D405 H-6

D406 J-4

D407 I-2

D411 G-3

D501 D-7

D502 E-6

D503 D-6

D504 D-7

D505 D-7

D506 D-7

D509 F-2

D607 E-5

D644 C-8

D801 J-11

D802 G-9

D803 G-11

D831 I-6

D832 J-7

D851 J-10

D852 G-9

D881 H-9

D901 J-4

D902 J-4

D903 J-4

D904 I-4

D905 I-1

D906 H-1

D907 J-5

D908 I-5

D909 J-5

D910 J-5

D915 I-4

D921 H-4

D922 G-4

D923 G-4

D924 F-2

D925 G-4

IC101 C-10

IC301 B-3

IC381 A-12

IC501 D-5

IC502 D-7

IC801 H-10

IC901 G-6

IC902 G-4

IC903 H-4

Q111 D-10

Q112 D-10

• Semiconductor Location

HCD-GRX9900/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 31)

(Page

51)

(Page

47)

HCD-GRX9900/RXD9

– 47 – – 48 –

The components identified by mark !or dotted

line with mark !are critical for safety.

Replaceonlywithpartnumberspecified.

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)

HCD-GRX9900/RXD9

– 49 – – 50 –

• Voltages 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)

〈〈 〉〉 : 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)

HCD-GRX9900/RXD9

– 51 – – 52 –

7-18. SCHEMATIC DIAGRAM – MAIN Board (4/4) – • See page 65 forWaveforms.

• 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)

HCD-GRX9900/RXD9

– 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)

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