Sony CVX-V18NS, CVX-V18NSP Service manual
CVX-V18NS/V18NSP
SERVICE MANUAL
Ver 1.0 1999. 04
NTSC model: CVX-V18NS
PAL model : CVX-V18NSP
Printed wiring boards and schematic diagrams are not mentioned
because mounted boards are replaced to repair this model.
US Model
Canadian Model
CVX-18NS
AEP Model
CVX-V18NSP
SPECIFICATIONS
MICROFILM
COLOR VIDEO CAMERA
SER VICE NOTE
• NOTE FOR REPAIR
Make sure that the flat cable and flexible board are not cracked of
bent at the terminal.
Do not insert the cable insufficiently nor crookedly.
Cut and remove the part of gilt
which comes off at the point.
(Take care that there are some
pieces of gilt left inside)
When remove a connector, don’t pull at wire of connector.
Be in danger of the snapping of a wire.
When installing a connector, don’t press down at wire of connector.
Be in danger of the snapping of a wire.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer.
1. Check the area of your repair for unsoldered or poorly-soldered connections. Check the entire board surface for solder
splashes and bridges.
2. Check the interboard wiring to ensure that no wires are
“pinched” or contact high-wattage resistors.
3. Look for unauthorized replacement parts, particularly transistors, that were installed during a previous repair. Point them
out to the customer and recommend their replacement.
4. Look for parts which, though functioning, show obvious signs
of deterioration. Point them out to the customer and recommend their replacement.
5. Check the B+ voltage to see it is at the values specified.
6. Flexible Circuit Board Repairing
• Keep the temperature of the 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 sol-
dering or unsoldering.
– 2 –
TABLE OF CONTENTS
Section Title Page Section Title Page
SERVICE NOTE...................................................................... 2
1. GENERAL
Features ........................................................................ 1-1
Identifying the Parts ...................................................... 1-1
Connections .................................................................. 1-1
Resetting the Data and Time ........................................ 1-3
Recording ...................................................................... 1-3
Using Various Features................................................. 1-5
2. DISASSEMBLY
2-1. Cabinet (Upper) Block Ass’y ......................................... 2-2
2-2. Cabinet (Rear) Block Ass’y ........................................... 2-2
2-3. VW-1 Board, Battery Terminal Board............................ 2-2
2-4. DT-106/VA-108 Board ................................................... 2-2
2-5. CN-116 Board ............................................................... 2-3
2-6. Cabinet (F/B) Ass’y ....................................................... 2-3
2-7. Cabinet (R) Ass’y .......................................................... 2-3
2-8. IF-73 Board ................................................................... 2-3
2-9. Cabinet (L) Ass’y ........................................................... 2-4
2-10. Motor (IR Use)............................................................... 2-4
2-11. Connection Cord ........................................................... 2-4
2-12. IR-34/35 Board .............................................................. 2-4
2-13. SE-93 Board .................................................................. 2-5
2-14. VC-211 Board................................................................ 2-5
2-15. Lens Device................................................................... 2-5
2-16. Focus/Zoom Stepping Motor......................................... 2-5
2-17. Circuit Boards Location ................................................. 2-6
3. BLOCK DIAGRAMS
3. D Page Table ................................................................. 5-7
4. E Page Table ................................................................. 5-7
5. F Page Table.................................................................. 5-7
5-3. Electrical Adjustments ................................................... 5-8
1. Y Out Level Adjustment................................................. 5-8
2. C Out Level Adjustment ................................................ 5-8
3. 28 MHz origin Oscillation Adjustment ........................... 5-9
5-4. Camera System Adjustment ......................................... 5-10
1. Lens T ype Adjustment................................................... 5-10
2. G-CAM Flip Adjustment................................................. 5-10
3. G-CAM Version Adjustment .......................................... 5-11
4. HALL Adjustment........................................................... 5-12
5. Flange Back Adjustment
(Using the Mini-pattern Box) ......................................... 5-13
6. Flange Back Adjustment
(Using the Flange Back Adjustment Chart and
the Subject More than 500 m away) ............................. 5-14
6-1. Flange Back Adjustment (1).......................................... 5-14
6-2. Flange Back Adjustment (2).......................................... 5-14
7. Flange Back Check ....................................................... 5-15
8. Picture Frame Setting ................................................... 5-16
9. Color Reproduction Adjustment .................................... 5-17
10. IRIS IN/OUT Adjustment ............................................... 5-18
11. Auto White Balance Standard Data Input..................... 5-19
12. Auto White Balance Adjustment ................................... 5-19
13. White Balance Check .................................................... 5-20
6. REPAIR PARTS LIST
6-1. Exploded Views ............................................................. 6-1
6-1-1. Main Unit Section ..................................................... 6-1
6-1-2. Camera Head Section-1 .......................................... 6-2
6-1-3. Camera Head Section-2 .......................................... 6-3
6-2. Electrical Parts List........................................................ 6-4
3-1. Overall Block Diagram................................................... 3-1
3-2. Camera Block Diagram ................................................. 3-5
3-3. Camera Control (1/2) Block Diagram ........................... 3-9
3-4. Camera Control (2/2) Block Diagram ........................... 3-11
3-5. Video Out, Audio Block Diagram .................................. 3-13
3-6. Power (MAIN UNIT) Block Diagram ............................. 3-15
3-7. Power (CAMERA) Block Diagram ................................ 3-17
4. SCHEMATIC DIAGRAMS
4-1. Frame (1/2) Schematic Diagram................................... 4-1
4-2. Frame (2/2) Schematic Diagram................................... 4-3
5. ADJUSTMENTS
5-1. Preparations Before Adjustment ................................... 5-1
5-1-1. List of Service Tools ................................................. 5-1
5-1-2. Preparations ............................................................. 5-2
5-1-3. Precautions .............................................................. 5-3
1. Setting the Switch ......................................................... 5-3
2. Order of Adjustments .................................................... 5-3
3. Subjects......................................................................... 5-3
5-1-4. Adjusting Remote Commander................................ 5-4
1. Used Adjusting Remote Commander ........................... 5-4
2. Precautions Upon Using the Adjusting Remote
Commander................................................................... 5-4
5-1-5. Data Processing ....................................................... 5-5
5-1-6. Adjusting Items when Replacing a Board or
5-2. Initialization of D, E, F Page Data ................................. 5-6
Main Parts ................................................................ 5-5
1. Initializing D, E, F Page Data........................................ 5-6
2. Modification of D, E, F Page Data ................................ 5-6
– 3 –
SECTION 1
GENERAL
CVX-V18NS/V18NSP
This section is extracted from CVXV18NS/V18NSP instruction manual.
1-1
1-2
1-3
1-4
1-5
1-6
1-7
1-7 E
DISASSEMBLY
• This set can be disassembled in the order shown below.
Main Unit
Cabinet (Upper) Block Ass’y
(Page 2-2)
Cabinet (Rear) Block Ass’y
(Page 2-2)
CVX-V18NS/V18NSP
SECTION 2
CN-116 Board
(Page 2-3)
Camera Head
Cabinet (F) Ass’y
(Page 2-3)
Cabinet (R) Ass’y
(Page 2-3)
IF-73 Board
(Page 2-3)
DT-106 Board
(Page 2-2)
Cabinet (B) Ass’y
(Page 2-3)
Cabinet (L) Ass’y
(Page 2-4)
Motor (IR Use)
(Page 2-4)
VA-108 Board
(Page 2-2)
IR-34 Board
(Page 2-4)
VW-1 Board
(Page 2-2)
Connection Code
(Page 2-4)
IR-35 Board
(Page 2-4)
Battery Terminal Board
(Page 2-2)
SE-93 Board
(Page 2-5)
Lens Device
(Page 2-5)
Focus Stepping Motor
(Page 2-5)
VC-211 Board
(Page 2-5)
Zoom Stepping Motor
(Page 2-5)
2-1
Note: Follow the disassembly procedure in the numerical order given.
2-1. CABINET (UPPER) BLOCK ASS’Y 2-3. VW-1 BOARD, BATTERY TERMINAL
BOARD
5 Cabinet (upper) block ass’y
4 Two claws
1 Screw
(M2)
3 Two screws
(M2)
2 Screw
(M2)
6 Flat cable (FFC-272)
(CN997)
1 Five screws
2 Terminal board retainer
4 Battery terminal board
3 VW-1 board
VW-1
Cabinet (back) ass’y
2-2. CABINET (REAR) BLOCK ASS’Y
4 Cabinet (rear) block ass’y
Cabinet (front) block ass’y
VA-108 board
1 Flat cable (FFC-275)
(CN882)
3 Two screws
2 Connector
(CN881)
CN-116
(M2)
2-4. DT-106/VA-108 BOARD
8 VA-108 board
Cabinet (front) ass’y
VA-108 board
7 Two screws
(M2)
5 Two screws
(M2)
6 DT-106 board
DT-106
4 Flat cable (FFC-273)
(CN996)
1 Flat cable (FFC-274)
(CN883)
3 Main frame
2 Six screws
2-2
2-5. CN-116 BOARD 2-7. CABINET (R) ASS’Y
3 Four screws
(M2)
4 Cabinet (R) ass’y
2 Screw
(M2)
1 Screw
(M2)
3 CN-116 board
CN-116
1 Flat cable (FFC-274)
(CN990)
2 Two screws
2-6. CABINT (F/B) ASS’Y
2 Cabinet (F) ass’y
1 Four screws
(M2)
3 Four screws
(M2)
4 Cabinet (B) ass’y
2-8. IF-73 BOARD
1 Flexible board
(CN1801)
6 IF-73 board
4 Flat cable
(FFC-262)
(CN1802)
2 Connector
(CN1803)
IF-73 board
3 Flat cable
(FFC-280)
(CN1805)
5 Two screws
(M2)
2-3
2-11. CONNECTION CORD2-9. CABINET (L) ASS’Y
1 Screw
(M2)
3 Three screws
4 Cabinet (L) ass’y
(M2)
IR-34
2 Screw
(M2)
IF-73 board
2 Two connectors
(CN301, 501)
IR-34
4 Lug
IF-73 board
6 Screw
3 Screw
(M2)
(M2)
1 Connector
(CN1803)
7 Connection cord
(BB bracket)
5 Two screws
(M2)
2-10. MOTOR (IR USE)
3 Motor (IR use)
Note: When installing
motor (IR use),
connect lever of
motor with IR lever.
IR lever
IR-34
IF-73 board
2 Screw
(M2)
1 Flexible board
(CN1801)
2-12. IR-34/35 BOARD
2 Screw
(M2)
3 IR-34 board
8 IR-35 board
1 Flat cable (FFC-264)
IR-34
IR-35
(CN090)
IF-73 board
6 Flat cable
(FFC-280)
(CN1090)
2-4
5 Tripod frame
7 Screw
(M2)
4 Three screws
(M2)
2-13. SE-93 BOARD 2-15. LENS DEVICE
6 Zoom stepping
motor
3 Focus stepping
motor
4 Two screws
(M1.7 × 3.5)
1 Break solders of
the flexible board
2 Two screws
(M1.7 × 3.5)
5 Break solders of
the flexible board
1 Flat cable (FFC-219)
(CN050)
IR-34
IF-73 board
3 SE-93 board
SE-93
2 Three screws
(M2)
1 Remove the lens device in the
direction of the arrow.
IF-73 board
2-14. VC-211 BOARD
2 Flat cable
4 Screw
(M2)
(CN703)
2-16. FOCUS/ZOOM STEPPING MOTOR
6 VC-211 board
5 Two screws
(B1.7 × 6)
VC-211
1 Flexible board
(CN401)
IF-73 board
3 Two screws
(M2)
Note: Flexible board of lens device is not supplied.
Please be careful not break the flexible board
when you change the motor unit.
2-5
2-17. CIRCUIT BOARDS LOCATION
SW-328
(CONTROL SWITCH)
DT-106
MIC IN,
CONTROL SWITCH
CN-116
CAMERA CABLE
CONNECTOR
VW-1
(VIDEO WALKMAN CONNECTOR)
IR-34
(IR LIGHT)
VA-108
VIDEO/AUDIO OUTPUT,
CONTROL SWITCH
VC-211
CCD IMAGER, CAMERA Y/C PROCESS,
CAMERA CONTROL, MODE CONTROL
SE-93
(STEADY SHOT SENSOR)
IR-35
(IR LIGHT)
2-6
2-6 E
IF-73
(IR MOTOR DRIVE)
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