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SERVICE NOTE
1. GENERAL
2. DISASSEMBLY

3. BLOCK DIAGRAMS

4. PRINTED WIRING BOARDS AND

SCHEMATIC DIAGRAMS

5. ADJUSTMENTS

6. REPAIR PARTS LIST

OVERALL
POWER
CD-349 BOARD
FP-386 BOARD
FP-383 BOARD
CONTROL SWITCH BLOCK
(ME-1850), (PS-1850), (FK-1850)
FP-100, FP-228, FP-102 FLEXIBLE BOARD
VM-027 BOARD
FLASH UNIT (MC-1850), (ST-1850)
KY-060 BOARD
FJ-035 BOARD
FP-387 BOARD
PD-148 BOARD

EXPLODED VIEWS
ELECTRICAL PARTS LIST

Level 3

Photo : DCR-PC120E

RMT-811

J MECHANISM

Canadian Model

DCR-PC120BT

AEP Model

DCR-PC115E/PC120E

UK Model

Australian Model

DCR-PC120E

E Model

DCR-PC115/PC115E/PC120E

Hong Kong Model

DCR-PC115/PC120E

Tourist Model

DCR-PC115/PC115E

Chinese Model

DCR-PC115E

Korea Model

DCR-PC115

— 2 —

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, through 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 soldering

or unsoldering.

Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size.)

Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40°C higher than

ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350°C.
Caution: The printed pattern (copper foil) may peel away if the
heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscous (sticky, less prone to flow) than
ordinary solder so use caution not to let solder bridges occur such
as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.

After correcting the original service problem, perform the following

safety checks before releasing the set to the customer.

4-2.

PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS ·········································· 4-19

• VC-270 (CAMERA PROCESS, DIGITAL STILL

PROCESS, DV PROCESS, AUDIO/VIDEO PROCESS,
HI CONTROL, MECHA CONTROL, DC/DC
CONVERTER)

PRINTED WIRING BOARD ······················· 4-19

• VC-270 (CAMERA A/D CONVERTER, SHUTTER

CONTROL)(1/18)

SCHEMATIC DIAGRAM ···························· 4-23

• VC-270 (CAMERA SIGNAL PROCESSOR)(2/18)

SCHEMATIC DIAGRAM ···························· 4-25

• VC-270 (CAMERA SIGNAL PROCESSOR)(3/18)

SCHEMATIC DIAGRAM ···························· 4-27

• VC-270 (DIGITAL STILL PROCESS)(4/18)

SCHEMATIC DIAGRAM ···························· 4-29

• VC-270 (64M/16MBIT SDRAM, 32M/4MBIT

FLASH)(5/18)

SCHEMATIC DIAGRAM ···························· 4-31

• VC-270 (DV PROCESSOR)(6/18)

SCHEMATIC DIAGRAM ···························· 4-33

• VC-270 (DV INTERFACE)(7/18)

SCHEMATIC DIAGRAM ···························· 4-35

• VC-270 (REC/PB HEAD AMP)(8/18)

SCHEMATIC DIAGRAM ···························· 4-37

• VC-270 (VIDEO I/O)(9/18)

SCHEMATIC DIAGRAM ···························· 4-39

• VC-270 (VIDEO A/D CONVERTER)(10/18)

SCHEMATIC DIAGRAM ···························· 4-41

• VC-270 (CAMERA CONTROL)(11/18)

SCHEMATIC DIAGRAM ···························· 4-43

• VC-270 (FOCUS/ZOOM MOTOR DRIVE)(12/18)

SCHEMATIC DIAGRAM ···························· 4-45

• VC-270 (HI CONTROL)(13/18)

SCHEMATIC DIAGRAM ···························· 4-47

• VC-270 (MECHANISM CONTROL)(14/18)

SCHEMATIC DIAGRAM ···························· 4-49

• VC-270 (DRUM/CAPSTAN MOTOR DRIVE)(15/18)

SCHEMATIC DIAGRAM ···························· 4-51

• VC-270 (AUDIO PROCESS)(16/18)

SCHEMATIC DIAGRAM ···························· 4-53

• VC-270 (CONNECTOR)(17/18)

SCHEMATIC DIAGRAM ···························· 4-55

• VC-270 (DC/DC CONVERTER)(18/18)

SCHEMATIC DIAGRAM ···························· 4-57

4-3.

WAVEFORMS ······························································ 4-92

4-4.

MOUNTED PARTS LOCATION ································· 4-93

6-2.

ELECTRICAL PARTS LIST ········································ 6-14

4-20

— Ref. No. VC-270 Board; 20,000 Series —

For printed wiring board
• Refer to pages 4-93 for parts location.
• This board consists of multiple layers. However, only

the sides (layers) A and B are shown.

• Chip parts

Transistor

              Diode

There are a few cases that the part printed on
this diagram isn’t mounted in this model.

• Replacement of CSP (Chip Size Package) IC used in

this set require a tool.
CSP IC: IC202, 203, 205, 301, 361, 391, 401, 402,

452, 701, 801, 1001, 1002, 1104, 1404,
1406, 1407, 1601, 4702, 5301, 5302, 5603

CSP (chip size package)

Conventional

•

  : Uses unleaded solder.