Sony HCD-GRX5, HCD-RX66 Service Manual
HCD-GRX5/RX66
SERVICE MANUAL
HCD-GRX5/RX66 is the Amplifier, CD
player, Tape Deck and Tuner section in
MHC-GRX5/RX66.
Dolby noise reduction manufactured under license
from Dolby Laboratories Licensing Corporation.
“DOLBY” and the double-D symbol a are trademarks of Dolby Laboratories Licensing Corporation.
Photo: HCD-RX66
CD
Section
T APE
DECK
Section
US Model
Canadian Model
HCD-RX66
E Model
Austr alian Model
HCD-GRX5
Model Name Using Similar Mechanism HCD-H991AV
CD Mechanism Type
Base Unit Type BU-5BD29AL
Optical Pick-up Type KSS-213D/Q-NP
Model Name Using Similar Mechanism NEW
Tape Tr ansport Mechanism Type
CDM38L-5BD29AL/
CDM38LH-5BD29AL
TCM-230AWR1/
230PWR1
SPECIFICA TIONS
AUDIO POWER SPECIFICATIONS:
(U.S.A. model only)
POWER OUTPUT AND TOTAL
HARMONIC DISTORTION:
with 6 ohm loads both channels driven, from 70 - 20,000 Hz; rates 60
watts per channel minimum RMS power, with no more than 0.9% total
harmonic distortion from 250 milliwatts to rated output.
Amplifier section
Canadian model:
Continuous RMS power output (reference)
60 + 60 watts
(6 ohms at 1 kHz, 10% THD)
Total harmonic distortion less than 0.07%
(6 ohms at 1 kHz, 45 W)
Other models:
The following measured at AC 110, 220 V 50/60 Hz
DIN power output (rated) 50 + 50 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
65 + 65 watts
(6 ohms at 1 kHz, 10% THD)
The following measured at AC 120, 240 V 50/60 Hz
DIN power output (rated) 60 + 60 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
75 + 75 watts
(6 ohms at 1 kHz, 10% THD)
Peak music power output (reference)
1000 watts
Inputs
MD/VIDEO IN: voltage 450 mV,
(phono jacks) impedance 47 kilohms
MIX MIC: (phone jack) sensitivity 1 mV, impedance 10
kilohms
– Continued on next page –
MINI Hi-Fi COMPONENT SYSTEM
MICROFILM
7-6. SCHEMATIC DIAGRAM – CD Section – • See page 28 for Waveforms. • See page 65 and 66 for IC Block Diagrams. • See page 27 for Note on Schematic Diagram.
HCD-GRX5/RX66
(Page 45)
MAIN BOARD
CN105
– 31 –
Note:
The components identified by mark ! or dotted
line with mark ! are critical for safety.
Replace only with part
number specified.
– 32 –
Note:
Les composants identifiés par
une marque ! sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
7-8. SCHEMATIC DIAGRAM – CD MOTOR Section –
• See page 67 for IC Block Diagrams. • See page 27 for Note on Schematic Diagram.
HCD-GRX5/RX66
(Page 45)
(Page 45)
MAIN BOARD
CN104
MAIN BOARD
CN103
– 35 –
– 36 –
7-10. SCHEMATIC DIAGRAM – TAPE DECK Section –
• See page 67 for IC Block Diagrams. • See page 27 for Note on Schematic Diagram.
HCD-GRX5/RX66
MAIN BOARD
(Page 49)
CN106
– 39 –
– 40 –
HCD-GRX5/RX66
7-11. PRINTED WIRING BOARD – LEAF SW Section – • See page 18 for Circuit Boards Location. • See page 27 for Note on Printed Wiring Boards.
MAIN BOARD
CN107
(Page 43)
7-12. SCHEMATIC DIAGRAM – LEAF SW Section – • See page 27 for Note on Schematic Diagram.
• Semiconductor Location
Ref. No. Location
D141 G-9
D401 G-10
D501 E-5
D502 E-5
D503 E-5
D504 E-5
D505 E-6
D506 E-6
D507 F-3
D508 F-2
D901 I-6
D902 I-5
D903 I-6
D904 I-6
D905 G-6
D906 G-7
D907 H-4
D908 H-4
D909 I-5
D910 I-4
D911 I-4
D912 I-4
D913 G-3
D914 G-5
D915 I-3
IC101 D-9
IC102 F-10
IC191 D-11
IC301 B-2
IC381 A-11
IC501 D-4
IC502 E-6
IC901 G-5
IC902 G-3
IC903 H-3
Q111 F-9
Q112 F-9
Q113 H-8
Q161 E-8
Ref. No. Location
Q162 D-8
Q163 H-8
Q191 D-11
Q331 C-2
Q332 D-2
Q333 C-2
Q334 D-2
Q335 C-1
Q336 E-2
Q337 E-2
Q338 F-2
Q339 F-2
Q340 E-2
Q341 E-2
Q342 E-2
Q343 E-2
Q431 G-9
Q432 H-8
Q433 H-9
Q434 H-8
Q435 H-8
Q436 G-8
Q437 G-8
Q501 E-7
Q571 E-6
Q572 E-6
Q575 F-8
Q901 F-6
Q902 G-6
Q903 H-6
Q905 F-6
Q906 G-6
Q907 G-4
Q908 G-5
Q909 H-4
Q910 I-4
Q913 G-6
Q914 F-7
Q951 G-7
Q952 G-7
– 41 –
MAIN BOARD
CN107
(Page 49)
– 42 –
HCD-GRX5/RX66
7-14. SCHEMATIC DIAGRAM – MAIN Section (1/4) –
• See page 28 for Waveforms. • See page 27 for Note on Schematic Diagram. • See page 43 and 44 for Printed Wiring Board.
(page 47)
(page 32)
(page 36)
(page 36)
(page 51)
– 45 –
(page 49)
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
( ) : CD
– 46 –
Loading...