Sony hcd gtz 3 service manual

Page 2

HCD-GTZZ/GTZZi/GTZ3/GTZ3i
Ver. 1.1

TABLE OF CONTENTS

1. SERVICING NOTES . 3
2. DISASSEMBLY
2- l. Disassembly Flow. 4
2-2. Case (Side-L/R) 4
2-3. Top Case ............. 5
2-4. Front Panel Block. 5
2-5. DC Fan (M101) 6
2-6. Back Panel ...... . 6
2-7. MAIN Board ................................................................... 7
2-8. DC Fan (M102) (GTZ3/GTZ3i),

POWER AMP Board ...................................................... 7
2-9. HUB Board, DMB19 Board ......... 8
2-10. CD Mechanism Block (CDM88B-DVBU101). 8
2-11. Optical Pick-up Block (KHM-313CAB) 9
2-12. Belt (DLM3A) .................................... 9
3. TEST MODE ............................................................ 10
4. ELECTRICAL CHECK ......................................... 12
5. DIAGRAMS
5-1. Block Diagram - RF SERVO, USB Section - 13
5-2. Block Diagram - MAIN Section 14
5-3. Block Diagram - AMP Section - 15

5-4. Block Diagram
- PANEL, POWER SUPPLY Section - ........................... 16

5-5. Printed Wiring Board - DMBI) Board - 18
5-6. Schematic Diagram - DMB19 Board (1/3) . 19
5-7. Schematic Diagram - DMBI9 Board (2/3) - . . 20
5-8. Schematic Diagram - DMB19 Board (3/3) . 21
5-9. Printed Wiring Board - MAIN Board - . 22
5-10. Schematic Diagram - MAIN Board (1/3) - . 23
5-1 1. Schematic Diagram - MAIN Board (2/3) - . 24
5-12. Schematic Diagram - MAIN Board (3/3) - . 25
5-13. Printed Wiring Board - HUB Board - ..... . 26
5-14. Schematic Diagram - HUB Board - ................................ 27

NOTES ON CHIP COMPONENT REPLACEMENT

- Never reuse a disconnected chip component.

- Notice that the minus side ofa 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
or unsoldering.

SAFETY-RELATED COMPONENT WARNING!

COMPONENTS IDENTIFIED BY MARK A OR DOTTED LINE
WITH MARK A 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.

2

5-15. Printed Wiring Board - POWER AMP Board - .............. 28
5-16. Schematic Diagram - POWER AMP Board

5-17. Printed Wiring Board - DISPLAY Board - .. 30
5-18. Schematic Diagram - DISPLAY Board - .. 31
5-19. Printed Wiring Boards - PANEL Section - 32
5-20. Schematic Diagram - PANEL Section - 33
5-21. Printed Wiring Board - TRANSIS Board

(GTZZ: Chilean and Peruvian models) - ......................... 34
5-22. Schematic Diagram - TRANSIS Board

(GTZZ: Chilean and Peruvian models) - ......................... 35
5-23. Printed Wiring Board - TRANSX Board

(GTZZ: Mexican model/GTZZi) - ................................... 36
5-24. Schematic Diagram - TRANSX Board

(GTZZ: Mexican model/GTZZI) - ................................... 37
5-25. Printed Wiring Board

- TRANS Board (GTZ3/GTZ3i) - ................................... 38
5-26. Schematic Diagram

- TRANS Board (GTZ3/GTZ3i) - ................................... 39
6. EXPLODED VIEWS
6-1. Case Section .................................................................... 48
6-2. Loading Panel Section 49
6-3. DISPLAY Board Section 50
6-4. Front Panel Section.... 51
6-5. Back Panel Section. 52
6-6. MAIN Board Section. 53
6-7. Chassis Section ............................................... 54
6-8. CD Mechanism Section (CDM88B-DVBU101) 55
7. ELECTRICAL PARTS LIST .............................. 56

Accessories are given in the last of the electrical parts list. I

Note: Refer to supplement-1 for the DISPLAY board of printed
wiring board, schematic diagram and electrical parts list of
Mexican model.

CAUTION

Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radia-
tion exposure.

cuss r LASER Pfiooucr
Locum LASERLAIIE

KLASSI LASERAPPARAT

This appliance is classified as a CLASS 1
LASER product. This marking is located on
the rear exterior.