Service Manuals, User Guides, Schematic Diagrams or docs for : TOSHIBA TV-Video VTV1416 Toshiba+VTV1416+TVCR
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SERVICE MANUAL
COLOR TELEVISION/
VIDEO CASSETTE RECORDER
VTV1416
SERVICING NOTICES ON CHECKING
1. KEEP THE NOTICES 6. AVOID AN X-RAY
As for the places which need special attentions, Safety is secured against an X-ray by consider-
they are indicated with the labels or seals on the ing about the cathode-ray tube and the high
cabinet, chassis and parts. Make sure to keep the voltage peripheral circuit, etc.
indications and notices in the operation manual. Therefore, when repairing the high voltage pe-
ripheral circuit, use the designated parts and
2. AVOID AN ELECTRIC SHOCK
make sure not modify the circuit.
There is a high voltage part inside. Avoid an Repairing except indicates causes rising of high
electric shock while the electric current is voltage, and it emits an X-ray from the cathode-
flowing. ray tube.
3. USE THE DESIGNATED PARTS 7. PERFORM A SAFETY CHECK AFTER
The parts in this equipment have the specific SERVICING
characters of incombustibility and withstand
Confirm that the screws, parts and wiring which
voltage for safety. Therefore, the part which is
were removed in order to service are put in the
replaced should be used the part which has
original positions, or whether there are the
the same character.
portions which are deteriorated around the
Especially as to the important parts for safety
serviced places serviced or not. Check the
which is indicated in the circuit diagram or the
insulation between the antenna terminal or
table of parts as a mark, the designated
external metal and the AC cord plug blades.
parts must be used.
And be sure the safety of that.
4. PUT PARTS AND WIRES IN THE (INSULATION CHECK PROCEDURE)
ORIGINAL POSITION AFTER
1. Unplug the plug from the AC outlet.
ASSEMBLING OR WIRING 2. Remove the antenna terminal on TV and turn
There are parts which use the insulation on the TV.
material such as a tube or tape for safety, or 3. Insulation resistance between the cord plug
which are assembled in the condition that terminals and the eternal exposure metal
these do not contact with the printed board. [Note 2] should be more than 1M ohm by
The inside wiring is designed not to get closer using the 500V insulation resistance meter
to the pyrogenic parts and high voltage parts. [Note 1].
Therefore, put these parts in the original 4. If the insulation resistance is less than 1M
positions. ohm, the inspection repair should be
required.
5. TAKE CARE TO DEAL WITH THE
[Note 1]
CATHODE-RAY TUBE
If you have not the 500V insulation
In the condition that an explosion-proof cathode- resistance meter, use a Tester.
ray tube is set in this equipment, safety is
secured against implosion. However, when [Note 2]
removing it or serving from backward, it is External exposure metal: Antenna terminal
dangerous to give a shock. Take enough care to Headphone jack
deal with it.
HOW TO ORDER PARTS
Please include the following informations when you order parts. (Particularly the VERSION LETTER.)
1. MODEL NUMBER and VERSION LETTER
The MODEL NUMBER can be found on the back of each product and the VERSION LETTER can be
found at the end of the SERIAL NUMBER.
2. PART NO. and DESCRIPTION
You can find it in your SERVICE MANUAL.
A1-1
TAPE REMOVAL METHOD AT NO POWER SUPPLY
1. Remove the VCR block from the main unit.
(Refer to item 1 of the DISASSEMBLY INSTRUCTIONS.)
2. Remove the screw 1 of the Deck Chassis and remove the Loading Motor.
3. Rotate the Pinch Roller Cam in the direction of the arrow by hand to slacken the Video Tape.
4. Rotate the Clutch Ass'y either of the derections to wind the Video Tape in the Cassette Case.
5. Repeat the above step 3~4. Then take out the Video Cassette from the Deck Chassis. Be careful not to
scratch on the tape.
Loading Motor
Screw 1
Capstan DD Unit
Pinch Roller Cam
Main Cam
Clutch Ass'y
Main Chassis (Front Side)
A1-2
TABLE OF CONTENTS
SERVICING NOTICES ON CHECKING ..................................................................................... A1-1
HOW TO ORDER PARTS .......................................................................................................... A1-1
TAPE REMOVAL METHOD AT NO POWER SUPPLY ............................................................ A1-2
TABLE OF CONTENTS .............................................................................................................. A2-1
GENERAL SPECIFICATIONS ................................................................................................... A3-1~A3-5
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF MECHANICAL PARTS AND P. C. BOARDS ............................................ B1-1, B1-2
2. REMOVAL OF VCR DECK PARTS ................................................................................... B2-1~B2-6
3. REMOVAL OF ANODE CAP .............................................................................................. B3-1
4. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ............................................... B4-1, B4-2
KEY TO ABBREVIATIONS ........................................................................................................ C1-1, C1-2
SERVICE MODE LIST ................................................................................................................ C2-1
PREVENTIVE CHECKS AND SERVICE INTERVALS .............................................................. C3-1, C3-2
WHEN REPLACING EEPROM (MEMORY) IC .......................................................................... C4-1
SERVICING FIXTURES AND TOOLS ....................................................................................... D1-1
PREPARATION FOR SERVICING ............................................................................................. D1-1
MECHANICAL ADJUSTMENTS ................................................................................................ D2-1~D2-4
ELECTRICAL ADJUSTMENTS .................................................................................................. D3-1~D3-5
BLOCK DIAGRAMS
TV ............................................................................................................................................ E-1, E-2
Y/C/AUDIO/HEAD AMP/21PIN/IN/OUT .................................................................................. E-3, E-4
MICON .................................................................................................................................... E-5, E-6
PRINTED CIRCUIT BOARDS
SYSCON/CRT/POWER SW .................................................................................................... F-1~F-4
POWER ................................................................................................................................... F-5
SCHEMATIC DIAGRAMS
Y/C/AUDIO/HEAD AMP .......................................................................................................... G-1, G-2
MICON ..................................................................................................................................... G-3, G-4
POWER ................................................................................................................................... G-5, G-6
21PIN/IN/OUT .......................................................................................................................... G-7, G-8
CHROMA/IF ............................................................................................................................. G-9, G-10
SOUND AMP ........................................................................................................................... G-11, G-12
T'TEXT/RGB SW ..................................................................................................................... G-13, G-14
DEFLECTION .......................................................................................................................... G-15, G-16
CRT .......................................................................................................................................... G-17, G-18
TV POWER .............................................................................................................................. G-19, G-20
INTERCONNECTION DIAGRAM ............................................................................................... G-21, G-22
WAVEFORMS ............................................................................................................................. H-1, H-2
MECHANICAL EXPLODED VIEWS ........................................................................................... I1-1~I1-3
CHASSIS EXPLODED VIEWS ................................................................................................... I2-1, I2-2
MECHANICAL REPLACEMENT PARTS LIST ......................................................................... J1-1
CHASSIS REPLACEMENT PARTS LIST .................................................................................. J2-1
ELECTRICAL REPLACEMENT PARTS LIST ........................................................................... J3-1~J3-4
A2-1
GENERAL SPECIFICATIONS
G-1 TV CRT CRT Size / Visual Size 14 inch / 335.4mmV
System CRT Type Normal
Deflection 90 degree
Magnetic Field BV/BH +0.45G / +0.18G
Color System PAL
Speaker 1Speaker
Position Front
Size 1.5 x 2.5 Inch
Impedance 8 ohm
Sound Output MAX 1.5 W
10%(Typical) 1.0 W
G-2 VCR System VHS
System Player / Recorder
Video System PAL
Hi-Fi STEREO No
NTSC PB(PAL 60Hz) Yes
Deck DECK OVD-7
Loading System Front
Motor 3
Heads Video Head 2 Head
FM Audio Head No
Audio /Control Mono / Yes
Erase(Full Track Erase) Yes
Tape Rec PAL SP/LP
Speed NTSC -
Play PAL SP/LP
NTSC SP
Fast Forward / Rewind Time (Approx.) at 25oC FF:1'48"/REW:1'48"
Cassette at E-180
Forward/Reverse NTSC or PAL-M SP=3x,5x
Picture Search PAL or SECAM SP/LP=5x,7x/7x,13x
Frame Advance No
Slow Speed -
G-3 Tuning Broadcasting System U.K. System I
System Tuner and System 1Tuner
Receive CH Destination U.K.
Tuning System F-Synth
Input Impedance VHF/UHF 75 ohm
CH Coverage 21~69
Intermediate Picture(FP) 39.5MHz
Frequency Sound(FS) 33.5MHz
FP-FS 6.0MHZ
Preset CH 80CH
Stereo/Dual TV Sound No
G-4 Signal Video Signal Input Level 1 V p-p/75 ohm
Output Level 1 V p-p/75 ohm
S/N Ratio (Weighted) 53 dB
Horizontal Resolution at SP Mode 240 Lines
Audio Signal Input Level -3.8dBm/50Kohm
Output Level -3.8dBm/1Kohm
S/N Ratio at SP 42 dB
Harmonic Distortion at SP(1kHz) Typical 1.5 %
Frequency Response at SP 100Hz ~10kHz
at LP 100Hz ~ 5kHz
at SLP -
Hi-Fi Audio Signal Dynamic Range : More than -
Frequency Response -
Wow And Flutter : Less than -
Channel Separation : More than -
Harmonic Distortion : Less than -
G-5 Power Power Source AC 230~240V 50Hz
DC -
Power Consumption at AC 50 W at 230 V 50 Hz
at DC -
Stand by (at AC) 8 W at 230 V 50 Hz
Per Year -
Protector Power Fuse Yes
Dew Sensor No
G-6 Regulation Safety CE , BEAB
Radiation CE
X-Radiation NONE
G-7 Temperature Operation +5oC ~ +40oC
Storage -20oC ~ +60oC
G-8 Operating Humidity Less than 80% RH
A3-1
GENERAL SPECIFICATIONS
G-9 On Screen Menu Yes
Display Menu Type Character
ATS No
Timer Rec Set Yes
Channel Setup No
Auto Tuning No
Ch Mapping No
Ch Tuning Yes
Ch Allocation No
TV Setup Yes
On/Off Timer Set Yes
Picture Yes
Audio No
VCR Setup No
Auto Repeat On/Off Yes
System Select No
Scene Repeat No
System Setup No
Clock Set Yes (Calendar 24h)
Language No
G-CODE(or SHOWVIEW or PLUSCODE)No. Entry No
Stereo/Audio Output No
Bilingual No
NICAM No
Clock/Date Yes
CH/AV Yes
Tape Counter(Linear Counter) Yes
Tape Speed Yes
Sleep Time Yes
Control Volume Yes
Level Bright/Contrast/Sharpness/Color Yes
Tint No
Bass/Treble/Balance No
Manual Tracking Yes
Play/Stop/FF/Rew/Rec/OTR/T-Rec/Pause/Eject/Tape In Yes
(Symbol Mark)
Auto Tracking/Manual Tracking Yes
S-Repeat/SR-R/SR-PLAY No
Index Yes
Mute Yes
Hi-Fi No
Repeat Yes
PDC Yes
Zero Return No
Dew No
G-10 OSD Language English
G-11 Clock,Timer Calendar 1990/1/1 ~ 2081/12/31
and Timer Timer Events 8 prog/ 1 month
Back-up One Touch Recording Max Time SP 5 Hours LP 10Hours
OTPB Valid Time -
Sleep Timer Max Time 120 min.
Step 10 min.
On/Off Timer Program(On Timer / Off Timer) 1 prog.
Auto Shut Off No Signal 15 min.
No Operation - min.
Timer Back-up (at Power Off Mode) 30 min.
A3-2
GENERAL SPECIFICATIONS
G-12 Remote Unit RC-DM
Control Glow in Dark Remocon Yes
Power Source Voltage(D.C) 3V
UM size x pcs UM-4 x 2 pcs
Total Keys 38 Keys
Keys Power Yes
1 Yes
2 Yes
3 Yes
4 Yes
5 Yes
6 Yes
7 Yes
8 Yes
9 Yes
0/AV Yes
CH/Tr Up Yes
CH/Tr Up/Page Up No
CH/Tr Down Yes
CH/Tr Down /Page Down No
Volume Up Yes
Volume Down Yes
Play/Up Yes
Play/Up/Slow No
F.Fwd/Right Yes
Rew/Left Yes
Pause/Still Yes
Pause No
Stop/Down Yes
Rec/OTR Yes (2Keys)
Eject Yes
Counter Reset Yes
Speed Yes
Timer Rec Yes (2Keys)
TV Monitor Yes
TV Monitor /Rec Monitor No
Program Yes
Program /V+ No
Auto Tracking Yes
Auto Tracking /Reveal No
Menu Yes
Enter Yes
Enter/Hold No
Cancel/Ch Skip Yes
Cancel/Ch Skip/F-T-B No
Index Yes
Index /Sub Page (Time Text) No
Call Yes
Text/Mix/TV No
Sleep Timer Yes
Mute Yes
Zero Return Yes
Red No
Cyan No
Green No
Yellow No
Audio Select No
A3-3
GENERAL SPECIFICATIONS
G-13 Features Auto Head Cleaning No
Auto Tracking Yes
HQ (VHS Standard High Quality) Yes
Auto Power On, Auto Play, Auto Rewind, Auto Eject Yes
Auto Shut Off Yes
Auto Repeat Yes
VIDEO PLUS+(SHOWVIEW,G-CODE) No
CH Auto Set-Up/Auto Clock Yes
PDC Yes
Forward / Reverse Picture Search Yes
One Touch Playback No
Auto Tuning No
Anti-Theft No
End Call No
Index Search Yes
SQPB No
CATV No
CM Skip(30sec x 6 Times) No
Comb Filter No
T'Text No
Text type -
Scene Repeat No
Hotel Lock No
TV Monitor Yes
Power On Memory No
Protect of FBT Leak Circuit Yes
Choke Coil No
G-14 Accessories Owner's Manual Language English
w/Guarantee Card No
Remote Control Unit Yes
Rod Antenna No
Poles -
Terminal -
w/300 ohm to 75 ohm Antenna Adapter -
Loop Antenna Yes
Terminal DIN Type
U/V Mixer No
DC Car Cord (Center+) No
Guarantee Card No
Warning Sheet No
Circuit Diagram No
Antenna Change Plug No
Service Facility List No
Important Safeguard No
Dew/AHC Caution Sheet No
AC Plug Adapter No
Quick Set-up Sheet Yes
Battery Yes
UM size x pcs UM-4 x 2 pcs
OEM Brand No
AC Cord No
AV Cord (2Pin-1Pin) No
21pin-RCA Cable No
RF Cable Yes (0.9m)
Registration Card Yes
PTB Sheet No
Anti-Theft Sheet No
Euro Warranty Information Sheet No
Helpline Sheet Yes
A3-4
GENERAL SPECIFICATIONS
G-15 Interface Switch Front Power Yes
Play Yes
Pause/Still No
System Select No
One Touch Playback No
Input Select No
Channel Up Yes
Channel Down Yes
F.FWD/Cue Yes
Eject/Stop Yes
Main Power SW Yes
Volume Up Yes
Volume Down Yes
Rew/Rev Yes
Rec/OTR Yes
Rear Main Power SW No
Indicator Standby Yes(Red)
Rec/OTR Yes(Red)
T-Rec Yes(Red)
On Timer No
CS No
Key Light up Rec/OTR No
One Touch Playback No
Play No
Terminals Front Video Input Yes
Audio Input Yes
Other Terminal Head Phone(Stereo & Mono, 3.5mm)
Rear Video Input No
Audio Input No
Video Output No
Audio Output No
Euro Scart 1-SCART
Diversity No
Ext Speaker No
DC Jack 12V(Center +) No
VHF/UHF Antenna Input DIN type
AC Inlet No
G-16 Set Size Approx. W x D x H (mm) 362 x 365 x 382
G-17 Weight Net (Approx.) 11.0 kg ( - lbs)
Gross (Approx.) 12.5 kg ( - lbs)
G-18 Carton Master Carton No
Content -
Material -
Dimensions W x D x H(mm) -
Description of Origin -
Gift Box Yes
Material Double/White
Dimensions W x D x H(mm) 423 x 447 x 443
Design As per Buyer's
Description of Origin Yes
Drop Test Natural Dropping At 1 Corner / 3 Edges / 6 Surfaces
Height (cm) 62
Container Stuffing(40' container) 700 Sets
G-19 Material Cabinet Front PS 94HB
Rear PS 94V0/Non-Decabrom
Jack Panel PS 94V2 or More /Non-Harogen
PCB Non-Halogen Demand Yes
Eyelet Demand Yes
A3-5
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF MECHANICAL PARTS 1-3: TV/VCR BLOCK (Refer to Fig. 1-3)
AND P.C. BOARDS 1. Remove the 2 screws 1.
2. Disconnect the following connectors:
1-1: BACK CABINET (Refer to Fig. 1-1)
(CP302, CP402, CP501 and CP502).
1. Remove the 5 screws 1. 3. Unlock the support 2.
2. Remove the AC cord from the AC cord hook 2. 4. Remove the TV/VCR Block in the direction of arrow.
3. Remove the Back Cabinet in the direction of arrow.
1
Front Cabinet
Front Cabinet 1
1
2
1 UP TO
RELEASE
TV/VCR Block
1 Fig. 1-3
1 2 1-4: POWER PCB (Refer to Fig. 1-4)
Back Cabinet
1 1. Remove the 3 screws 1.
Fig. 1-1 2. Disconnect the following connectors:
(CP401A and CP851A).
1-2: CRT PCB (Refer to Fig. 1-2) 3. Remove the Power PCB in the direction of arrow.
CAUTION: BEFORE REMOVING THE ANODE CAP, 1
DISCHARGE ELECTRICITY BECAUSE IT 1
CONTAINS HIGH VOLTAGE.
BEFORE ATTEMPTING TO REMOVE OR 1
REPAIR ANY PCB, UNPLUG THE POWER
CORD FROM THE AC SOURCE.
Power PCB
1. Remove the Anode Cap.
(Refer to REMOVAL OF ANODE CAP)
2. Disconnect the following connector:
(CP801).
3. Remove the CRT PCB in the direction of arrow.
Front Cabinet CRT PCB
TV/VCR Block
Fig. 1-4
Fig. 1-2
B1-1
DISASSEMBLY INSTRUCTIONS
1-5: DECK SHIELD PLATE (Refer to Fig. 1-5) 1-7: JACK PLATE AND SYSCON PCB (Refer to Fig. 1-7)
1. Remove the 2 screws 1. 1. Remove the screw 1.
2. Remove the Deck Shield Plate in the direction of arrow (A). 2. Remove the 2 screws 2.
3. Remove the screw 2. 3. Remove the Syscon PCB in the direction of arrow.
4. Remove the Bottom Shield Plate in the direction of arrow (B).
1
Syscon PCB
Deck Shield Plate
1
1
(A)
2
2
TV/VCR Block
(B)
Deck Holder
Fig. 1-7
Bottom Shield Plate 2
Fig. 1-5
1-6: DECK CHASSIS (Refer to Fig. 1-6)
NOTE
Do not remove the cable at the FE Head section. The FE
Head may be damaged if you remove the cable by force.
1. Remove the screw 1.
2. Remove the FE Head.
3. Remove the 3 screws 2.
4. Disconnect the following connectors:
(CP1001, CP4001, and CP4005).
5. Remove the Deck Chassis in the direction of arrow.
2
2
1
FE Head 2
Deck Chassis
Syscon PCB
Fig. 1-6
B1-2
DISASSEMBLY INSTRUCTIONS
2. REMOVAL OF VCR DECK PARTS NOTE
2-1: TOP BRACKET (Refer to Fig. 2-1) 1. In case of the Locker R installation, check if the one
position of Fig.2-3-B are correctly locked.
1. Extend the 2 supports 1.
2. When you install the Cassette Side R, be sure to move
2. Slide the 2 supports 2 and remove the Top Bracket.
the Locker R after installing.
NOTE
1. After the installation of the Top Bracket, bend the
support 1 so that the Top Bracket is fixed.
Locker R
Top Bracket
Check if this position
is locked.
1 1
Cassette Side R
Top Bracket
2
2
Main Chassis
Fig. 2-3-B
Main Chassis
2-4: LINK UNIT (Refer to Fig. 2-4)
Fig. 2-1
1. Set the Link Unit to the Eject position.
2. Unlock the support 1.
2-2: CASSETTE HOLDER ASS'Y (Refer to Fig. 2-2)
3. Remove the (A) side of the Link Unit first, then remove
1. Move the Cassette Holder Ass'y to the front side. the (B) side.
2. Push the Locker R to remove the Cassette Side R.
3. Remove the Cassette Side L.
Main Chassis
Cassette Side R
Link Unit
Main Chassis Locker R
(A) (B)
Link Unit
Main Chassis
Link Unit Main Chassis
Cassette Side L Fig. 2-4
Fig. 2-2
2-5: LINK LEVER/FLAP LEVER/BOT COVER
2-3: CASSETTE SIDE L/R (Refer to Fig. 2-3-A)
(Refer to Fig. 2-5)
1. Remove the Locker Spring.
2. Unlock the 4 supports 1 and then remove the Cassette 1. Unlock the support 1.
Side L/R. 2. Remove the BOT Cover.
3. Unlock the support 2 and then remove the Locker R. 3. Extend the support 2.
4. Remove the Link Lever.
Locker Spring
5. Remove the Flap Lever.
1
Cassette Holder
1
2
1 BOT Cover
Locker R
1 2
1
Cassette Side R Link Lever
Cassette Side L
Flap Lever
Fig. 2-3-A Fig. 2-5
B2-1
DISASSEMBLY INSTRUCTIONS
2-6: LOADING MOTOR/WORM (Refer to Fig. 2-6-A) 2-7: TENSION ASS'Y (Refer to Fig. 2-7-B)
1. Remove the screw 1. 1. Turn the Pinch Roller Cam clockwise so that the Tension
2. Remove the Loading Motor. Holder hook is set to the position of Fig. 2-7-A to move
3. Remove the Worm. the Tension Arm Ass'y.
2. Remove the Tension Spring.
3. Unlock the 2 supports 1 and remove the Tension Band.
4. Unlock the support 2 and remove the Tension Arm Ass'y.
Loading Motor
5. Unlock the support 3 and remove the Tension Connect.
6. Float the hook 4 and turn it clockwise then remove the
Tension Holder.
Worm
Tension Arm Ass'y
Main Chassis
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