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HCD-GTX999
2
1.
SERVICING NOTES
............................................. 3
2. GENERAL
.................................................................. 6
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 8
3-2. Case (Top) ....................................................................... 8
3-3. Front Panel Block ........................................................... 9
3-4. USB CONNECTOR Board............................................. 9
3-5. USB MICOM Board ....................................................... 10
3-6. HDD Assy (80 GB) ......................................................... 10
3-7. CD Mechanism Block ..................................................... 11
3-8. Bracket (CDM) Block ..................................................... 11
3-9. Back Panel Block ............................................................ 12
3-10. MAIN Board ................................................................... 12
4.
TEST MODE
............................................................ 13
5.
ELECTRICAL CHECKS
...................................... 15
6. DIAGRAMS
6-1. Block Diagram - CD SERVO, PANEL Section -............ 16
6-2. Block Diagram - USB, HDD Section - ........................... 17
6-3. Block Diagram - MAIN Section - ................................... 18
6-4. Block Diagram - AMP Section - ..................................... 19
6-5. Block Diagram - POWER SUPPLY Section - ................ 20
6-6. Printed Wiring Board - CD Board - ................................ 22
6-7. Schematic Diagram - CD Board - ................................... 23
6-8. Printed Wiring Board - USB MICOM Board - ............... 24
6-9. Schematic Diagram - USB MICOM Board (1/4) - ......... 25
6-10. Schematic Diagram - USB MICOM Board (2/4) - ......... 26
6-11. Schematic Diagram - USB MICOM Board (3/4) - ......... 27
6-12. Schematic Diagram - USB MICOM Board (4/4) - ......... 28
6-13. Printed Wiring Boards - USB, LED Section - ................ 29
6-14. Schematic Diagram - USB, LED Section - ..................... 29
6-15. Printed Wiring Board - MAIN Board - ........................... 30
6-16. Schematic Diagram - MAIN Board (1/3) - ..................... 31
6-17. Schematic Diagram - MAIN Board (2/3) - ..................... 32
6-18. Schematic Diagram - MAIN Board (3/3) - ..................... 33
6-19. Printed Wiring Boards - INPUT, OUTPUT Section - ..... 34
6-20. Schematic Diagram - INPUT, OUTPUT Section - ......... 34
6-21. Printed Wiring Board - MOTOR Board - ....................... 35
6-22. Schematic Diagram - MOTOR Board - .......................... 35
6-23. Printed Wiring Board - AMP Board - ............................. 36
6-24. Schematic Diagram - AMP Board - ................................ 37
6-25. Printed Wiring Board - KEY Section (1/2) -................... 38
6-26. Schematic Diagram - KEY Section (1/2) - ..................... 39
6-27. Printed Wiring Boards - KEY Section (2/2) - ................. 40
6-28. Schematic Diagram - KEY Section (2/2) - ..................... 41
6-29. Printed Wiring Board - DISPLAY Board - ..................... 42
6-30. Schematic Diagram - DISPLAY Board - ........................ 43
6-31. Printed Wiring Board - TRANS Board - ......................... 44
6-32. Schematic Diagram - TRANS Board - ........................... 45
6-33. Printed Wiring Board - SUB TRANS Board - ................ 46
6-34. Schematic Diagram - SUB TRANS Board - ................... 47
7.
EXPLODED VIEWS
7-1. Top Case, Side Panel Section.......................................... 63
7-2. Center Panel Section ....................................................... 64
7-3. Base Panel Section .......................................................... 65
7-4. HDD
Section
................................................................... 66
7-5. Chassis
Section
............................................................... 67
7-6. CD
Mechanism
Section
(CDM77B-F2BD82F-WAO)
..........................................
68
7-7. Base Unit Section (BU-F2BD82F-A) ............................. 69
8.
ELECTRICAL PARTS LIST
.............................. 70
Accessories are given in the last of the electrical parts list.
TABLE OF CONTENTS
NOTES ON CHIP COMPONENT REPLACEMENT
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
FLEXIBLE CIRCUIT BOARD REPAIRING
• Keep the temperature of soldering iron around 270 °C during
repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
SAFETY-RELATED COMPONET WARNING!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE
WITH MARK
0
ON THE SCHEMATIC DIAGRAMS AND IN
THE PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY PARTS
WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
Use of controls or adjustments or performance of procedures
other than those speci
ed herein may result in hazardous radia-
fi
ed as
a CLASS 1 LASER product.
This marking is located on the
rear exterior.
Tuner section
FM stereo, FM/AM superheterodyne tuner
Antenna:
FM lead antenna
AM loop antenna
FM tuner section:
Tuning range:
Brazilian model: 87.5
−
108.0 MHz
(100 kHz step)
Other models: 87.5
−
108.0 MHz
(50 kHz step)
Intermediate frequency: 10.7 MHz
AM tuner section:
Tuning range
530
−
1,710 kHz
(with 10 kHz tuning interval)
531
−
1,710 kHz
(with 9 kHz tuning interval)
Intermediate frequency: 450 kHz
General
Power requirements
Latin American models (except for
Brazilian model):
AC 120, 220, 230
−
240 V, 50/60 Hz,
adjustable with voltage selector
Argentine model:
AC 220 V, 50/60 Hz
Brazilian model:
AC 127 or 220 V, 50/60 Hz, adjustable
with voltage selector
Power consumption
230 W
Dimensions (w/h/d) (excl. speakers)
Approx. 280 × 397 × 428 mm
Mass (excl. speakers)
Approx. 12.3 kg
Operating temperature:
+5
°
C (+41
°
F) to +35
°
C (+95
°
F)
Operating humidity:
25 % to 80 %
change without notice.
Mexican model:
AC 127 V, 60 Hz
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TEL 13942296513 QQ 376315150 892498299