Sony HCD-GRX9900 Manual de usuario
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
CD
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
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)
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 –
05
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)
21
21
E
4
12
34
12
3
()
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)
E
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 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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