Toshiba 19DV616DG User manual

SERVICE MANUAL
LCD TV/DVD COMBINATION
DOCUMENT CREATED IN JAPAN, June, 2009 GREEN
FILE NO. 810-200967GR
©2009 Toshiba Corporation
The above models are classified as green products (*1), as indicated by the underlined serial numbers.
This Service Manual describes replacement parts for the green products. When repairing these green
product(s), use the part(s) described in this manual and lead-free solder (*2).
For (*1) and (*2), see the next page.
19DV616DG
22DV616DG

The EC is actively promoting the WEEE & RoHS Directives that define standards for recycling
and reuse of Waste Electrical and Electronic Equipment and for the Restriction of the use of
certain Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any
marketing of new products containing the restricted substances.
Increasing attention is given to issues related to the global environmental. Toshiba Corporation
GREEN PRODUCT PROCUREMENT

recognizes environmental protection as a key management tasks, and is doing its utmost to
enhance and improve the quality and scope of its environmental activities. In line with this,
Toshiba proactively promotes Green Procurement, and seeks to purchase and use products,
parts and materials that have low environmental impacts.
Green procurement of parts is not only confined to manufacture. The same green parts used in
manufacture must also be used as replacement parts.
This product is manufactured using lead-free solder as a part of a movement within the consumer
products industry at large to be environmentally responsible. Lead-free solder must be used in
the servicing and repair of this product.
The melting temperature of lead
-
free solder is higher than that of leaded solder by 86
o
F to 104
o
F
(30
o
Cto40
o
C). Use of a soldering iron designed for lead
-
based solders to repair product made
with lead-free solder may result in damage to the component and or PCB being soldered. Great
care should be made to ensure high-quality soldering when servicing this product especially
when solderin
g
lar
g
e components, throu
g
h-hole pins, and on PCBs as the level of heat
required to melt lead-free solder is high.
DO NOT USE LEAD BASED SOLDER TO REPAIR THIS PRODUCT !
LEAD-FREE SOLDER
WARNING
This product is manufactured using lead free solder.

19DV616DG/22DV616DG

• GREEN PRODUCT PROCUREMENT
• LEAD-FREE SOLDER
• TABLE OF CONTENTS
• OWNER'S MANUAL
SERVICING NOTICES ON CHECKING………………………………………………………………… A1-1
HOW TO ORDER PARTS………………………………………………………………………………… A1-1
IMPORTANT………………………………………………………………………………………………
…
A1-1
WHEN REPLACING DVD DECK………………………………………………………………………… A1-2
DISC REMOVAL METHOD AT NO POWER SUPPLY………………………………………………
…
A1-3
PARENTAL CONTROL - RATING LEVEL……………………………………………………………
…
A1-3
HOTEL MODE FUNCTION………………………………………………………………………………
…
A1-4
TRAY LOCK………………………………………………………………………………………………
…
A1-4
REMOTE CONTROL KEY CODE………………………………………………………………………
…
A1-5
GENERAL SPECIFICATIONS…………………………………………………………………………… A2-1~A2-12
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS…………………………………
…
B1-1~B1-6
2. REMOVAL OF DVD DECK PARTS………………………………………………………………
…
B2-1~B2-5
3. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC……………………………………
…
B3-1, B3-2
SERVICE MODE LIST……………………………………………………………………………………
…
C-1
SERVICING FIXTURES AND TOOLS…………………………………………………………………
…
C-2
RE-WRITE FOR DVD FIRMWARE………………………………………………………………………
…
C-2
WHEN REPLACING EEPROM (MEMORY) IC………………………………………………………… C-3, C-4
ELECTRICAL ADJUSTMENTS…………………………………………………………………………
…
D-1~D-14
TROUBLESHOOTING GUIDE…………………………………………………………………………… E-1~E-10
BLOCK DIAGRAMS
DVD………………………………………………………………………………………………………
…
F-1, F-2
POWER…………………………………………………………………………………………………
…
F-3~F-6
21PIN/TUNER…………………………………………………………………………………………
…
F-7, F-8
REGULATOR…………………………………………………………………………………………… F-9, F-10
SCALER/SUB MICON…………………………………………………………………………………
…
F-11, F-12
SOUND AMP/AV SWITCH/JACK/INTERFACE_HDMI IC…………………………………………
…
F-13, F-14
DIGITAL…………………………………………………………………………………………………
…
F-15, F-16
PRINTED CIRCUIT BOARDS
DVD MT…………………………………………………………………………………………………
…
G-1~G-4
DIGITAL…………………………………………………………………………………………………
…
G-5~G-8
MAIN/TUNER…………………………………………………………………………………………… G-9~G-16
POWER/OPERATION/REMOCON…………………………………………………………………
…
G-17~G-24
LOADING MOTOR/PCB………………………………………………………………………………
…
G-25
SCHEMATIC DIAGRAMS
MPEG/MICON/DSP/RF_AMP………………………………………………………………………… H-1~H-4
MEMORY………………………………………………………………………………………………
…
H-5~H-8
MOTOR DRIVE…………………………………………………………………………………………
…
H-9~H-12
A
UDIO/VIDEO…………………………………………………………………………………………
…
H-13~H-16
21PIN……………………………………………………………………………………………………
…
H-17~H-20
REGULATOR…………………………………………………………………………………………… H-21~H-24
REGULATOR2…………………………………………………………………………………………
…
H-25~H-28
A
V SWITCH……………………………………………………………………………………………
…
H-29~H-32
SOUND AMP MUTE……………………………………………………………………………………
…
H-33~H-36
TUNER…………………………………………………………………………………………………
…
H-37~H-40
SCALER…………………………………………………………………………………………………
…
H-41~H-44
TABLE OF CONTENT
S
19DV616DG/22DV616DG

SUB MICON……………………………………………………………………………………………
…
H-45~H-48
JACK……………………………………………………………………………………………………
…
H-49~H-52
INTERFACE_HDMI IC…………………………………………………………………………………
…
H-53~H-56
DVD_INTERFACE/AV_SWITCH……………………………………………………………………
…
H-57~H-60
PANEL_INTERFACE…………………………………………………………………………………
…
H-61~H-64
A
SIC……………………………………………………………………………………………………… H-65~H-68
FLASH/SDRAM…………………………………………………………………………………………
…
H-69~H-72
COMMON INTERFACE………………………………………………………………………………
…
H-73~H-76
POWER IN/OUT………………………………………………………………………………………
…
H-77~H-80
OFDM_DEMODULATOR……………………………………………………………………………… H-81~H-84
POWER…………………………………………………………………………………………………
…
H-85~H-88
BACKLIGHT INVERTER………………………………………………………………………………
…
H-89~H-92
SOUND AMP……………………………………………………………………………………………
…
H-93~H-96
JACK OUT………………………………………………………………………………………………
…
H-97~H-100
LOADING MOTOR……………………………………………………………………………………
…
H-101, H-102
INTERCONNECTION DIAGRAM………………………………………………………………………
…
H-103~H-106
WAVEFORMS……………………………………………………………………………………………… I-1, I-2
MECHANICAL EXPLODED VIEWS……………………………………………………………………
…
J1-1~J1-6
DVD DECK EXPLODED VIEW…………………………………………………………………………
…
J2-1
MECHANICAL REPLACEMENT PARTS LIST………………………………………………………… K1-1~K1-4
DVD DECK REPLACEMENT PARTS LIST……………………………………………………………
…
K2-1, K2-2
ELECTRICAL REPLACEMENT PARTS LIST…………………………………………………………
…
K3-1~K3-10
TABLE OF CONTENT
S
19DV616DG/22DV616DG