For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.YF081(MECHANISM ASSEMBLY).
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Power consumptionApprox. 2.8 W (3.0 W*) (LCD monitor off, viewfinder on)
Approx. 3.2 W (3.4 W*) (LCD monitor on, viewfinder off)
Approx. 6.5 W (Maximum; when charging the battery pack)
* Using LED Light
Dimensions (W × H × D)59 mm × 94 mm × 114 mm(2-5/16" × 3-11/16" × 4-1/2")
(with the LCD monitor closed and the viewfinder pushed back in)
WeightApprox. 400g (0.88 lbs)
(without battery, cassette and lens cap)
Approx. 480 g (1.1 lbs) / Approx. 525 g (1.16 lbs)(GR-D395 only)
(incl. battery, cassette and lens cap)
Operating temperature0°C to 40°C (32°F to 104°F)
Operating humidity35% to 80%
Storage temperature-20°C to 50°C (-4°F to 122°F)
Pickup1/6" CCD
LensF 2.0, f = 2.3 mm to 73.6 mm, 32:1 power zoom lens
Filter diameterØ27 mm
LCD monitor2.5" diagonally measured, LCD panel/TFT active matrix system
ViewfinderElectronic viewfinder with 0.33" color LCD
SpeakerMonaural
LED LightEffective distance: 1.5 m (5 ft)
For Digital Video
Camera
For Digital Still
Camera
For Connectors AVVideo output1.0 V (p-p), 75Ω, analog
FormatDV format (SD mode)
Signal formatNTSC standard
Recording/Playback
format
CassetteMini DV cassette
Tape speedSP: 18.8 mm/s, LP: 12.5 mm/s
Maximum recording time
Power requirementAC 110 V to 240 V, 50 Hz/60 Hz
OutputDC 11 V, 1 A
Specifications shown are for SP mode unless otherwise indicated. E & O.E. Design and specifications subject to change without
notice.
1-2 (No.YF124)
SECTION 1
r
PRECAUTIONS
1.1SAFTY PRECAUTIONS
Prior to shipment from the factory, JVC products are strictly
inspected to conform with the recognized product safety and
electrical codes of the countries in which they are to be
sold.However,in order to maintain such compliance, it is equally
important to implement the following precautions when a set is
being serviced.
1.1.1 Precautions during Servicing
(1) Locations requiring special caution are denoted by labels
and inscriptions on the cabinet, chassis and certain parts of
the product.When performing service, be sure to read and
comply with these and other cautionary notices appearing
in the operation and service manuals.
(2) Parts identified by the symbol and shaded ( ) parts
are critical for safety.
Replace only with specified part numbers.
NOTE :
Parts in this category also include those specified to
comply with X-ray emission standards for products
using cathode ray tubes and those specified for
compliance with various regulations regarding
spurious radiation emission.
(3) Fuse replacement caution notice.
Caution for continued protection against fire hazard.
Replace only with same type and rated fuse(s) as
specified.
(4) Use specified internal wiring. Note especially:
• Wires covered with PVC tubing
• Double insulated wires
• High voltage leads
(5) Use specified insulating materials for hazardous live parts.
Note especially:
• Insulation Tape
• PVC tubing
•Spacers
• Insulation sheets for transistors
•Barrier
(6) When replacing AC primary side components (transformers,
power cords, noise blocking capacitors, etc.) wrap ends of
wires securely about the terminals before soldering.
emission. Consequently, when servicing these products,
replace the cathode ray tubes and other parts with only the
specified parts. Under no circumstances attempt to modify
these circuits.Unauthorized modification can increase the
high voltage value and cause X-ray emission from the
cathode ray tube.
(12) Crimp type wire connectorIn such cases as when replacing
the power transformer in sets where the connections
between the power cord and power trans former primary
lead wires are performed using crimp type connectors, if
replacing the connectors is unavoidable, in order to prevent
safety hazards, perform carefully and precisely according
to the following steps.
• Connector part number :E03830-001
• Required tool : Connector crimping tool of the proper
type which will not damage insulated parts.
• Replacement procedure
a) Remove the old connector by cutting the wires at a
point close to the connector.Important : Do not
reuse a connector (discard it).
cut close to connector
Fig.1-1-3
b) Strip about 15 mm of the insulation from the ends
of the wires. If the wires are stranded, twist the
strands to avoid frayed conductors.
15 mm
Fig.1-1-4
c) Align the lengths of the wires to be connected.
Insert the wires fully into the connector.
Metal sleeve
Fig.1-1-1
(7) Observe that wires do not contact heat producing parts
(heatsinks, oxide metal film resistors, fusible resistors, etc.)
(8) Check that replaced wires do not contact sharp edged or
pointed parts.
(9) When a power cord has been replaced, check that 10-15
kg of force in any direction will not loosen it.
Power cord
Fig.1-1-2
(10) Also check areas surrounding repaired locations.
(11) Products using cathode ray tubes (CRTs)In regard to such
products, the cathode ray tubes themselves, the high
voltage circuits, and related circuits are specified for
compliance with recognized codes pertaining to X-ray
Connector
Fig.1-1-5
d) As shown in Fig.1-1-6, use the crimping tool to crimp
the metal sleeve at the center position. Be sure to
crimp fully to the complete closure of the tool.
1.2
5
2.0
5.5
Crimping tool
Fig.1-1-6
e) Check the four points noted in Fig.1-1-7.
Not easily pulled free
Wire insulation recessed
more than 4 mm
Crimped at approx. cente
of metal sleeve
Conductors extended
Fig.1-1-7
(No.YF124)1-3
1.1.2 Safety Check after Servicing
Examine the area surrounding the repaired location for damage
or deterioration. Observe that screws, parts and wires have been
returned to original positions, Afterwards, perform the following
tests and confirm the specified values in order to verify
compliance with safety standards.
(1) Insulation resistance test
Confirm the specified insulation resistance or greater
between power cord plug prongs and externally exposed
parts of the set (RF terminals, antenna terminals, video and
audio input and output terminals, microphone jacks,
earphone jacks, etc.).See table 1 below.
(2) Dielectric strength test
Confirm specified dielectric strength or greater between
power cord plug prongs and exposed accessible parts of
the set (RF terminals, antenna terminals, video and audio
input and output terminals, microphone jacks, earphone
jacks, etc.). See Fig.1-1-11 below.
(3) Clearance distance
When replacing primary circuit components, confirm
specified clearance distance (d), (d') between soldered
terminals, and between terminals and surrounding metallic
parts. See Fig.1-1-11 below.
d
d'
Chassis
Power cord
primary wire
Fig.1-1-8
(4) Leakage current test
Confirm specified or lower leakage current between earth
ground/power cord plug prongs and externally exposed
accessible parts (RF terminals, antenna terminals, video
and audio input and output terminals, microphone jacks,
earphone jacks, etc.).
Measuring Method : (Power ON)Insert load Z between
earth ground/power cord plug prongs and externally
exposed accessible parts. Use an AC voltmeter to
measure across both terminals of load Z. See Fig.1-1-9
and following Fig.1-1-12.
ab
Externally
exposed
accessible part
Z
V
c
A
Fig.1-1-9
(5) Grounding (Class 1 model only)
Confirm specified or lower grounding impedance between
earth pin in AC inlet and externally exposed accessible
parts (Video in, Video out, Audio in, Audio out or Fixing
screw etc.).Measuring Method:
Connect milli ohm meter between earth pin in AC inlet and
exposed accessible parts. See Fig.1-1-10 and grounding
specifications.
AC inlet
Earth pin
Exposed accessible part
MIlli ohm meter
Grounding Specifications
Region
USA & Canada
Europe & Australia
Grounding Impedance (Z
Z0.1 ohm
Z0.5 ohm
)
Fig.1-1-10
AC Line Voltage
100 V
100 to 240 V
110 to 130 V
110 to 130 V
200 to 240 V
Region
Japan
USA & Canada
Europe & Australia
Insulation Resistance (R
R 1 M /500 V DC
1 M R 12 M /500 V DC
R 10 M /500 V DC
)
Dielectric Strength
AC 1 kV 1 minute
AC 1.5 kV 1 minute
AC 1 kV 1 minute
AC 3 kV 1 minute
AC 1.5 kV 1 minute
(
Class
(
Class
Clearance Distance (d), (d'
d, d' 3 mm
d, d' 4 mm
d, d' 3.2 mm
d 4 m m
)
d' 8 m m (Power cord
d' 6 m m (Primary wire
)
Fig.1-1-11
AC Line Voltage
100 V
110 to 130 V
110 to 130 V
220 to 240 V
Region
Japan
USA & Canada
Europe & Australia
Load Z
1
0.15
1.5
2
50
Leakage Current (i)
i 1 mA rms
i 0.5 mA rms
i 0.7 mA peak
i 2 mA dc
i 0.7 mA peak
i 2 mA dc
a, b, c
Exposed accessible parts
Exposed accessible parts
Antenna earth terminals
Other terminals
Fig.1-1-12
NOTE :
These tables are unofficial and for reference only. Be sure to confirm the precise values for your particular country and locality.
)
)
)
1-4 (No.YF124)
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
2.1DIFFERENCE LIST
The following table indicate main different points between models GR-D370UC, GR-D370US, GR-D371US, GR-D375UC,
GR-D375US, GR-D390UC, GR-D390US, GR-D395US and GR-D396US.
MODEL NAMEGR-D370UCGR-D370USGR-D371US
MEMORY CARD
REMOTE CONTROLNONORM-V720U
BATTERY PACKBN-VF707USBN-VF707USBN-VF707US
MODEL NAMEGR-D375UCGR-D375USGR-D390UC
MEMORY CARD
REMOTE CONTROLRM-V720URM-V720URM-V720U
BATTERYBN-VF707USBN-VF707USBN-VF707US
MODEL NAMEGR-D390USGR-D395USGR-D396US
MEMORY CARD
REMOTE CONTROLRM-V720URM-V720URM-V720U
BATTERYBN-VF707USBN-VF714USBN-VF707US × 2
NO(OPTIONAL)NO(OPTIONAL)NO(OPTIONAL)
NO(OPTIONAL)NO(OPTIONAL)YES(PROVIDED)
YES(PROVIDED)NO(OPTIONAL)NO(OPTIONAL)
(No.YF124)1-5
SECTION 3
DISASSEMBLY
3.1BEFORE ASSEMBLY AND DISASSEMBLY
3.1.1 Precautions
• Be sure to disconnect the power supply unit prior to mounting
and soldering of parts.
• Prior to removing a component part that needs to disconnect
its connector(s) and its screw(s), first disconnect the wire(s)
from the connector(s), and then remove the screw(s).
• When connecting/disconnecting wires, pay enough attention
not to damage the connectors.
• When inserting the flat wire to the connector, pay attention to
the direction of the flat wire.
• Be careful in removing the parts to which some spacer or
shield is attached for reinforcement or insulation.
• When replacing chip parts (especially IC parts), first remove
the solder completely to prevent peeling of the pattern.
• Tighten screws properly during the procedures. Unless
otherwise specified, tighten screws at a torque of 0.098N
·cm). However, as this is a required value at the time of
(1.0kgf
·m
production, use the value as a measuring stick when
proceeding repair services. (See "SERVICE NOTE" as for
tightening torque.)
3.1.2 Destination of connectors
Two kinds of double-arrows in connection tables respectively
show kinds of connector/wires.
: Wire: Flat wire: Board to board (B-B)
: The connector of the side to remove
CONN. No.PIN No.CONNECTOR
CN2a
CN2b
MAIN CN101
MAIN CN103
MONI BW CN761
MINI BW CN762
40
10
3.1.3 Disconnection of connectors (Wires)
Wire
· Pull both ends of the connector in the arrow
direction, remove the lock and disconnect the flat
wire.
· Pull the both ends of the board in the direction
of the arrow, and remove the B-B Connector.
· Extend the locks in the direction of the arrow for
unlocking and then pull out the wire. After
removing the wire, immediately restore the locks
to their original positions because the locks are
apt to come off the connector.
B-B Connector
B-B Connector
· Pull the both ends of the board in the direction of the arrow, and remove the B-B Connector.
FPC Connector
Wire
FPC Connector
Wire
Lock
FPC Connector
· Extend the locks in the direction of the arrow for
unlocking and then pull out the wire. After
removing the wire, immediately restore the locks
to their original positions because the locks are
apt to come off the connector.
· Extend the locks in the direction of the arrow for
unlocking and then pull out the wire. After
removing the wire, immediately restore the locks
to their original positions because the locks are
apt to come off the connector.
Wire
FPC Connector
Wire
FPC Connector
Lock
Lock
Lock
B-B Connector
Fig.3-1-1
3.1.4 Tools required for disassembly and assembly
Torque driver
YTU94088
Chip IC replacement jig
PTS40844-2
Bit
YTU94088-003
Cleaning cloth
KSMM-01
Tweezers
P-895
Fig.3-1-2
• Torque driver
Be sure to use to fastening the mechanism and exterior parts because those parts must strictly be controlled for tightening torque.
• Bit
This bit is slightly longer than those set in conventional torque
drivers.
• Tweezers
To be used for removing and installing parts and wires.
• Chip IC replacement jig
To be used for replacement of IC.
• Cleaning cloth
Recommended cleaning cloth to wipe down the video heads,
mechanism (tape transport system), optical lens surface.
3.2ASSEMBLY AND DISASSEMBLY OF MAIN PARTS
3.2.1 Assembly and disassembly
When reassembling, perform the step(s) in reverse order.
STEP
No.
[1]
[2]
PART
TOP COVER ASSY
UPPER ASSY
(Inc. VF ASSY,
SPEAKER/MONITOR)
[8]
E.VF UNIT(B/W)
(∗1) Order of steps in Procedure
When reassembling, preform the step(s) in the reverseorder.
These numbers are also used as the identification (location)
No. of parts Figures.
(∗2) Part to be removed or installed.
(∗3) Fig. No. showing Procedure or Part Location.
(∗4) Identification of part to be removed, unhooked, unlocked,
released, unplugged, unclamped or unsoldered.
S = Screw L = Lock, Release, Hook
SD = Solder CN = Connector
[Example]
• 4 (S1a) = Remove 4 S1a screws.
• 3 (L1a) = Disengage 3 L1a hooks.
• 2 (SD1a) = Unsolder 2 SD1a points.
• CN1a = Remove a CN1a connector.
(∗5) Adjustment information for installation.
Fig.
No.
4(S1a), 3(L1a),CN1a
C1
(S2a),2(S2b),3(S2c)
C2-1
2(SD1a),
L2,CN2a,b
2(S8),L8,CN8a
C2-2
POINT
( 4)( 5)( 2)( 3)( 1)
NOTE
-
-
NOTE 8
1-6 (No.YF124)
3.2.2 ASSEMBLY/DISASSEMBLY OF CABINET PARTS AND ELECTRICAL PARTS
zDisassembly procedure
STEP
PART NAME
No.
[1]
UPPER ASSY
[2]
OPE PWB ASSY
[3]
COVER (HINGE)
[4]
MONITOR ASSY
[5]
SPEAKER
[6]
ZOOM UNIT
[7]
FRONT ASSY
[8]
CASS.COVER
[9]
VF ASSY
[10]
REAR COVER ASSY
[11]
LOWER CASE ASSY
[12]
REAR PWB ASSY
[13]
OP BLOCK ASSY
[14]
MAIN BKT ASSY
[15]
MAIN PWB ASSY
[16]
FRAME ASSY
Fig.
No.
FA1-1
FA1-2
FA2-1
FA2-2
FA2-3
FA2-4
FA3
FA4
FA5
FA6
FA7
FA8
FA9
FA10
POINTNOTE
S1a,2(S1b),3(S1c),S1d
L1a,L1b,CN1
CN2a,b,c,S2a,4(S2b),KNOB(SLIDE)
2(S3)
2(S4),2(L4)
BKT.(HINGE),2(L5)
3(S6),L6
S7a,2(S7b),2(L7a),2(L7b),CN7
GRIP BELT,4(S8),3(L8)
CN9a,S9a,b,c,CN9b
S10a,b,c,L10a,b
2(S11),CN11
S12,L12,CN12
CN13,2(L13)
3(S14),L14a,b
CN15a,b,c,d,e,S15,L15a,b
4(S16)
NOTE1a
NOTE1b
NOTE2a,b,c
NOTE5
NOTE7
NOTE8
NOTE9a,b
NOTE10
NOTE11
NOTE12
NOTE13
NOTE1a:
Open the MONITOR ASSY, and then remove the screw
(No.7) which is next to the DV terminal.
NOTE1b:
When removing the UPPER ASSY, be careful in handling
the FPC.
Also, be careful in wiring the FPC when attaching the UPPER ASSY.
-
-
-
-
-
-
NOTE12:
During the procedure, be careful not to damage the
SWITCH.
During the procedure, leave the CASS. COVER closed.
NOTE13:
When attaching, be careful to avoid any uplift or unevenness
of the CUSHION (OP).
zDestination of connectors
CN.
No.
CN1 MAIN CN103 OPE CN401 30
CN2a OPE CN403 ZOOM UNIT - 8
CN2b OPE CN404 SPEAKER - 2
CN2c OPE CN402 MONITOR CN7601 18/21
CN7 MAIN CN2601 MIC - 4
CN9a MAIN CN4201 CCD CN5001 20
CN9b MAIN CN7801 VF CN7001 24/23
CN11 REAR CN502 POWER UNIT - 7
CN12 MAIN CN101 REAR CN504 32
CN13 MAIN CN4901 OP BLOCK - 26
CN15a MAIN CN1604 SENSOR - 16
CN15b MAIN CN1603 CAPSTAN MOTOR - 18
CN15c MAIN CN1602 DRUM MOTOR - 11
CN15d MAIN CN3501 HEAD - 8
CN15e MAIN CN1601
NOTE2a:
During the procedure, be careful in handling the SWITCH.
When attaching, leave the MONITOR ASSY open.
NOTE2b:
When attaching, be careful in wiring.
NOTE2c:
During the procedure, be careful not to lose KNOB(SLIDE).
NOTE5:
When attaching, be careful in wiring (SPEAKER).
NOTE7:
When attaching, be careful to avoid placing the WIRE (MIC)
on the front side, and make sure to place the WIRE (MIC) on
the connector.
NOTE8:
Pull out the GLIP BELT first.
NOET9a:
When removing the VF ASSY, pull out the FPC on the CCD
BOARD ASSY from the MAIN BOARD ASSY first.
NOTE9b:
When removing, pull out the FPC by lifting up the VF ASSEMBLY.
NOTE10:
During the procedure, release the LOWER CASE ASSY in
the direction of an arrow.
NOTE11:
During the procedure, be careful in handling the FPC.
CONNECTOR
LOADING MOTOR
ROTARY ENCODER SW
PIN
No.
- 8
(No.YF124)1-7
1
(S1a)
9
(S2b)
12
(S2b)
10
(S2b)
11
(S2b)
(S2a)
Q
8
a
NOTE2a
SWITCH
(S1d)
NOTE1a
2
(S1b)
3
(S1b)
4
(S1c)
7
Fig.FA1-1
L1a
5
(S1c)
6
(S1c)
CN2b
CN2a
< NOTE2b >
CN2b
9
(S2b)
10
(S2b)
CN2c
a
Fig.FA2-1
[2]
NOTE2c
KNOB(SLIDE)
CN2a
11
(S2b)
(S2b)
CN2c
8
(S2a)
12
L1b
CN1
NOTE1b
OPE FPC
Fig.FA1-2
L1b
[1]
[3]
Fig.FA2-2
13
(S3)
14
(S3)
1-8 (No.YF124)
L4
b
c
f
22
(S7b)
f
[4]
Fig.FA2-3
[5]
15
(S4)
b
16
(S4)
c
0.196Nm(2.0kgfcm)
BKT.(HINGE)
[7]
< NOTE7 >
23
(S8)
d
e
WIRE(MIC)
(S7b)
Fig.FA3
21
20
(S7a)
d
e
CN7
L7a
L7b
[8]
NOTE5
L6
< NOTE5 >
Fig.FA2-4
L5
[6]
17
(S6)
18
(S6)
19
(S6)
NOTE8
GRIP BELT
24
(S8)
25
(S8)
L8
26
(S8)
Fig.FA4
(No.YF124)1-9
NOTE9b
NOTE11
[11]
[9]
k
h
29
(S9c)
28
(S9b)
g
NOTE9a
g
Fig.FA5
NOTE10
LOWER CASE ASSY
CN9a
CN9b
h
27
(S9a)
33
(S11)
34
(S11)
< NOTE11 >
TO CN11
k
TOP VIEW
NOTE13
[13]
Fig.FA7
NOTE12
[12]
k
CN11
35
(S12)
1-10 (No.YF124)
30
(S10a)
j
[10]
Fig.FA6
L10b
(S10b)
31
j
L10a
32
(S10c)
L12
L13
CN12
35
(S12)
CN13
SW
NOTE12
Fig.FA8
q
p
n
r
L15a
0.088Nm(0.9kgfcm)
[16]
[14]
m
mm
L14a
n
37
(S14)
38
(S14)
3.2.3 ASSEMBLY/DISASSEMBLY OF [4] MONITOR ASSEMBLY
zCAUTIONS
(1) During the procedure, be careful in handling the LCD
MODULE and other parts. Pay special attention not to
damage or soil the monitor screen.
If fingerprints are left on the screen, wipe them with clean
chamois leather or a cleaning cloth.
zRemoving MONITOR ASSEMBLY
(1) Turn the HINGE UNIT ASSEMBLY 90°, and remove the
two screws (1 and 2). Remove the M.COVER ASSY by
removing the six hooks (L4a-f).
(2) Pull out the U/D SWITCH BOARD from the MONITOR
CASE ASSEMBLY.
NOTE4a:
During the procedure, be careful in handling the FPC.
(3) Release the lock of the connector (CN4a), and remove
the HINGE UNIT by lifting it up.
(4) Release the lock of the connector (CN4b), and pull out
the FPC.
(5) Remove the screw (3), and Remove the MONI PWB
ASSY by removing the hook (L4g).
NOTE4b:
When attaching the MONITOR BOARD ASSEMBLY,
be careful to avoid any misalignment or unevenness of
the parts underneath.
(6) Remove the SHEET (M.REF), LIGHT GUIDE, SHEET
(M.DIFF) and the SHEET(BEF).
(7) Remove the S.CASE(MONI), LCD MODULE and the
LCD CASE.
nn
L14b
Fig.FA9Fig.FA10
36
(S14)
41
(S16)
42
o
(S16)
(S16)
40
(S16)
43
L15b
CN15a
o
(S15)
<MECHANISM SIDE>
rqpn
CN15e
CN15d
CN15b
CN15c
[15]
NOTE4c:
During the procedure, handle the three parts (LCD
CASE, LCD MODULE, and S.CASE(MONI)) together.
zRemoving HINGE UNIT ASSEMBLY
(1) Remove the screw (4), and Remove the H.COVER(U,L).
NOTE4d:
During the procedure, be careful in handling the magnet.
When attaching, set the negative pole outside as
shown in the figure. Be careful when removing as
there is no marking.
NOTE4e:
During the procedure, be careful in handling the FPC.
NOTE4f:
The FPC is rolled around the axis of rotation of the
HINGE ASSEMBLY 2.5 rounds (2.5times).
The connecting side to the MONITOR BOARD ASSEMBLY is placed inside.
[15]
39
(No.YF124)1-11
HINGE ASSY
H.COVER(U)
<NOTE4f>
(S4b)
NOTE4e,f
FPC
<NOTE4a>
M.COVER ASSY
4
1
(S4a)
2
(S4a)
a
BOTTOM VIEW
L4b
L4c
L4f
H.COVER(L)
<NOTE4d>
MONITOR CASE SIDE
N pole
S pole
MAGNET
HINGE COVER(L)
S.CASE(MONI)
MAGNET
3
(S4a)
U/D SW
BOARD
aa
A
CN4a
CN4b
b
SHEET(M.REF)
SHEET(M.DIFF)
L4aL4d
L4e
NOTE4b
MONITOR BOARD ASSY
L4g
LIGHT GUIDE
SHEET(BEF)
SUPPORT PLATE
1-12 (No.YF124)
SIDE
M.COVER ASSY SIDE
LCD MODULE
LCD CASE
NOTE4c
LCD CASE
LCD MODULE
S.CASE(MONI)
b
MONITOR CASE
A
Fig.3-2-3
3.2.4 ASSEMBLY/DISASSEMBLY OF [13] OP BLOCK ASSMBLY/CCD BOARD ASSEMBLY
zPrecautions
(1) Take care in handling the CCD IMAGE SENSOR, OPTI-
CAL LPF and lens components when performing maintenance etc., especially with regard to surface
contamination, attached dust or scratching. If fingerprints are present on the surface they should be wiped
away using either a silicon paper, clean chamois or the
cleaning cloth.
(2) The CCD IMAGE SENSOR may have been shipped with
a protective sheet attached to the transmitting glass.
When replacing the CCD IMAGE SENSOR, do not peel
off this sheet from the new part until immediately before
it is mounted in the OP BLOCK ASSEMBLY.
zDisassembly of OP BLOCK ASSEMBLY / CCD BOARD AS-
SEMBLY
(1) Unsolder the fourteen soldered points (SD13a) of the
CCD BOARD ASSEMBLY.
NOTE13a:
Be careful in handling as there are only the OPTICAL
LPF and the SHEET stored inside the OP BLOCK
ASSY when the CCD BASE ASSY is removed.
NOTE13b:
Replace the CCD IMAGE SENSOR as a CCD BASE
ASSEMBLY, not as a single part replacement.
(2) Remove the two screws (1, 2), and then remove the CCD
BOARD ASSEMBLY and the CCD BASE ASSEMBLY.
zAssembly of OP BLOCK ASSEMBLY / CCD BOARD AS-
SEMBLY
(1) Set the OPTICAL LPF first, and then the SHEET to the
OP BLOCK ASSEMBLY.
NOTE13c:
Pay careful attention to the orientation of the OPTICAL
LPF.
(2) Attach the CCD BASE ASSEMBLY first then the CCD
BASE ASSEMBLY so that the SHEET stays in place,
and tighten with the two screws (1, 2).
(3) Solder the 14 points (SD13a) on the CCD BOARD AS-
SY.
zReplacement of service repair parts
The service repair parts for the OP BLOCK ASSEMBLY are as
listed below.
Before replacement of these parts, remove the BRACKET (OP
BLOCK ASSEMBLY) as required.
Take special care not to disconnect any of the FPC wires or
cause any damage due to soldering (excessive heating).
(1) FOCUS MOTOR UNIT
(2) ZOOM MOTOR UNIT
(3) AUTO IRIS UNIT
NOTE 13d:
When replacing the FOCUS MOTOR UNIT or the ZOOM
MOTOR UNIT, solder the FPC at a space of about 0.5 mm
above the terminal pin.
NOTE 13e:
The AUTO IRIS UNIT includes the FPC ASSEMBLY and
two sensors.
SENSOR
AUTO IRIS UNIT
NOTE13d,e
7
(S13b)
8
(S13b)
9
(S13b)
SD13b
CUSHION(OP)
5
(S13b)
NOTE13b
FOCUS
MOTOR UNIT
6
(S13b)
OPTICAL LPF
NOTE13c
CCD BOARD ASSEMBLY
CCD BASE ASSEMBLY
SHEET
4
(S13b)
3
(S13b)
ZOOM MOTOR UNIT
NOTE13d,e
1
(S13a)
SD13
NOTE13a,b
0.147Nm (1.5kgfcm)
2
(S13a)
Fig.3-2-4
(No.YF124)1-13
3.2.5 ASSEMBLY/DISASSEMBLY OF [9] VF ASSEMBLY
zBefore disassembly
As the VF ASSEMBLY has complicated structure, do not disassemble if not needed.
When assembling, be careful to prevent dust or any foreign
materials entering inside, and avoid soils on both the LENS
and the SHEET.
zDisassembly procedure
(1) Remove the screw (1), and then remove the KNOB
(SWITCH).
(2) Remove the screw (2), and remove the BKT.(COVER).
(3) Pull out the CASE(VF) from the VF ASSY, remove the
screw (3), and then remove the EYE CUP.
(4) Remove the two screws (4, 5), and then remove the
COVER(EYE CUP).
NOTE9a:
Do not remove the COVER(EYE CUP) if not needed
as the CASE(VF) can be removed without removing
the COVER(EYE CUP).
(5) Peel off the FPC, and then remove the CASE(VF).
NOTE9b:
During the procedure, be careful in handling the FPC.
(6) Set the LEVER(VF) to the TRIANGLE MARK( ) of the
CASE(VF), and then remove the LENS ASSY.
NOTE9c:
During the procedure, be careful in handling the parts.
Pay special attention not to damage, soil, or leave fingerprints on the surface.
NOTE9d:
After attaching the LENS ASSY, rotate the LEVER(VF) counterclockwise to check the smooth sliding operation of the LENS ASSY.
(7) Press hooks (L9c,d) on both sides of the HOLDER(LCD)
to remove the LCD SA from the CASE(VF).
NOTE9e:
During the procedure, be careful not to damage the VF SW.
NOTE9f:
Refer to the Fig.(VF2) for the disassembly of the LCD
SA, and disassemble the LCD SA if necessary. During
the procedure, be careful to prevent dust or any foreign materials entering inside.
(8) Remove the FPC from the connector (CN9), and then re-
move the VF BOARD ASSY.
NOTE9g:
During the procedure, be careful not to damage the parts.
<NOTE9d><NOTE9b>
TRIANGLE MARK( )
CASE(VF)
MARKING
LEVER(VF)
COVER(SLIDE)
NOTE9c
LENS ASSY
1
(S9a)
EYE CUP
4
(S9d)
5
(S9d)
COVER(EYE CUP)
KNOB(SWITCH)
L9a
3
(S9c)
L9a
1-14 (No.YF124)
L9b
Fig.VF1
BKT.(COVER)
a
a
bb
b
0.069Nm(0.7kgfcm)
2
(S9b)
L9c
0.069Nm(0.7kgfcm)
6
(S9e)
VF BOARD ASSY
L9e
VF SW
NOTE9e
<LCD SA>
L9f
CN9
FPC
CASE(VF)
LCD SA
L9d
NOTE9f
STOPPER(POLA)
CUSHION
CLICK PLATE
NOTE9g
CASE(B.LIGHT)
SHEET(DIFF.)
SHEET(POLA)
L9e
CUSHION
SHEET(POLA)
LCD MODULE
L9f
HOLDER(LCD)
Fig.VF2
(No.YF124)1-15
SECTION 4
ADJUSTMENT
4.1PREPARATION
4.1.1 Precaution
Camera system and deck system of this model are specially
adjusted by using PC.
However, if parts such as the following are replaced, an
adjustment is required. The adjustment must be performed in a
Service Center equipped with the concerned facilities.
• EEP ROM (IC1005 of MAIN board)
• OP BLOCK ASSEMBLY
In the event of malfunction with electrical circuits, first find a
defective portion with the aid of proper test instruments as shown
in the following electrical adjustment procedure, and then
commence necessary repair/ replacement/adjustment.
• In observing chip TP, use IC clips, etc. to avoid any stress.
Prior to replacement of chip parts (especially IC), remove the
solder completely to prevent peeling of the pattern.
• Use a patch cord if necessary. As for a patch cord, see the
BOARD INTERCONNECTIONS.
• Since connectors are fragile, carefully handle them in
disconnecting and connecting the FPC.
4.1.2 REQUIRED TEST EQUIPMENT
• Personal computer (for Windows)
• Color TV monitor
• Oscilloscope (dual-trace type, observable 100MHz or higher
frequency). The one observable 300 MHz or higher frequency
is recommended.
• Digital voltmeter
• DC power supply or AC adapter
• Frequency counter (with threshold level adjuster)
4.1.3 TOOLS REQUIRED FOR ADJUSTMENT
Torque Driver
YTU94088
Chip IC Replacement Jig
PTS40844-2
INF Adjustment Lens
YTU92001B
Light box Assembly
YTU93096A
Alignment Tape
MC-1
INF Adjustment Lens Holder
Service Support System
Bit
YTU94088-003
Cleaning Cloth
KSMM-01
YTU94087
Gray Scale Chart
YTU94133A
YTU94057-92
Guide Driver
YTU94148A-1
YTU93108
Color Bar Chart
YTU94133C
QAM0099-002
Tweezers
P-895
Mini Stand
PC Cable
1-16 (No.YF124)
Communication Cable
YTU93111
Conversion Connector
YTU94145K-20
Jig Connector Cable
YTU93106B
• Torque driver
Be sure to use to fastening the mechanism and exterior parts
because those parts must strictly be controlled for tightening
torque.
• Bit
This bit is slightly longer than those set in conventional torque
drivers.
• Tweezers
To be used for removing and installing parts and wires.
• Chip IC replacement jig
To be used for adjustment of the camera system.
• Cleaning cloth
Recommended the Cleaning cloth to wipe down the video
heads, mechanism (tape transport system), optical lens surface.
• Guide driver
To be used to turn the guide roller to adjustment of the linarity
of playback envelope.
• INF adjustment lens
To be used for adjustment of the camera system. For the
usage of the INF adjustment lens, refer to the Service Bulletin
No. YA-SB-10035.
• INF adjustment lens holder
To be used together with the Camera stand for operating the
Videocamera in the stripped-down condition such as the status without the exterior parts or for using commodities that are
not yet conformable to the interchangeable ring. For the usage
of the INF lens holder, refer to the Service Bulletin No. YA-SB-
10035.
• Mini stand
To be used together with the INF adjustment lens holder. For
the usage of the Mini stand, refer to the Service Bulletin No.
YA-SB-10035.
• Light box assembly
To be used for adjustment of the camera system. For the
usage of the Light box assembly, refer to the Service Bulletin
No. YA-SB-10035.
• Gray scale chart
To be used for adjustment of the camera system. For the
usage of the INF adjustment lens, refer to the Service Bulletin
No. YA-SB-10035.
• Color bar chart
To be used for adjustment of the camera system. For the
usage of the INF adjustment lens, refer to the Service Bulletin
No. YA-SB-10035.
• Alignment tape
To be used for check and adjustment of interchangeability of
the mechanism.
• Service support system
To be used for adjustment with a personal computer. Software
can be downloaded also from JS-net.
• PC cable
To be used to connect the Videocamera and a personal computer
with each other when a personal computer issued for adjustment.
• Communication cable
Connect the Communication cable between the PC cable and
Jig connector cable when performing a PC adjustment.
• Jig connector cable
Connected to JIG CONNECTOR of the main board and used
for electrical adjustment, etc.
• Conversion connector
Conversion connector is used to convert the connector part of
the JIG connector cable.
4.2JIG CONNECTOR CABLE CONNECTION
4.2.1 CAUTIONS
(1) Only 9 of 30pins of JIG CONNECTOR CABLE(PN:YTU93106B)
are extended with wires. Additional 5pins (3,6,7,11and18)
need to be soldered and extended with the wires for adjustment and checking.
See Fig. 4-2-1 for details.
<COMPONENT SIDE>
2428
252729
30pin NOT USE
29pin AL_3VSYS
28pin IF_RX
27pin MAIN_VCO
26pin HID
25pin FS_PLL
24pin COM_VF
23pin CVF_B
22pin CVF_G
<FOIL SIDE>
713
13pin IF_TX
12pin ENV_OUT
10pin GND
9pin GND
8pin XSTH
7pin CVF_R
5pin NOT USE
: ADDITIONAL WIRE
Fig.4-2-1
(No.YF124)1-17
Connection procedure
COVER(ADJ)
JIG CONNECTOR
CABLE
GUIDE ROLLER (SUP)
COVER(JIG CON)
CONVERSION
CONNECTOR
GUIDE ROLLER (TU)
JIG CONNECTOR
SERVICE SUPPORT SYSTEM
Jig connector diagrams
JIG CONNECTOR CABLE (YTU93106B)
MAIN CN102
MVD
V_OUT
CVF_G
CVF_R
CVF_B
XSTH
COM_VF
GND
FS_PLL
GND
HID
ATFI
MAIN_VCO
ENV_OUT
IF_RX
IF_TX
AL_3VSYS
IRU
KENTO
KENTO2
ADDITIONAL WIRE
20
10
19
9
18
8
17
7
16
6
15
5
14
4
13
3
12
2
11
1
7. CVF_R
13. IF_TX
24. COM_VF
25. FS_PLL
27. MAIN_VCO
28. IF_RX
29. AL_3VSYS
Fig.4-2-3
JIG CONN. BOARD
(PIN NO.)
NC
30
AL_3VSYS
29
IF_RX
28
MAIN_VCO
27
HID
26
FS_PLL
25
COM_VF
24
CVF_B
23
CVF_G
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
NC
NC
NC
NC
NC
NC
NC
IF_TX
ENV_OUT
-
GND
GND
XSTH
CVF_R
NC
NC
NC
NC
NC
COMMUNICATION
CABLE
JIG CONNECTOR
TO AL_3VSYS
TO IF_RX
TO IF_TX
TO GND
BLUE
RED
WHITE
BLACK
or
COMMUNICATION
CABLE
Fig.4-2-2
PC CABLE
TO ENV_OUT
PERSONAL COMPUTER
TO HID
MENU
OSCILLOSCOPEJIG CONNECTOR
Conversion Connector
30
AL_3VSYS
MAIN_VCO
FS_PLL
COM_VF
CVF_B
CVF_G
IF_RX
HID
29
28
27
26
25
24
23
22
21
20
19
18
17
16
11
12
13
14
15
16
17
18
19
20
10
1
2
3
4
5
6
7
8
9
15
14
13
IF_TX
12
ENV_OUT
11
10
GND
9
GND
8
XSTH
7
CVF_R
6
5
4
3
2
1
1-18 (No.YF124)
Fig.4-2-4
4.3MECHANISM COMPATIBILITY ADJUSTMENT
4.3.1 Tape pattern adjustment
NOTE:
Prior to the adjustment, remove the COVER (ADJ).
(1) Play back the compatibility adjustment tape.
(2) While triggering the HID, observe the waveform of
ENV_OUT.
(3) Set the manual tracking mode (ATF OFF).
(4) Confirm that the waveform is entirely parallel and straight,
and free from remarkable level-down, through the tracking
operation.
Make the confirmation as follows if necessary.
(5) If level-down is observed on the left hand side of the
waveform, straighten the level by turning the GUIDE
ROLLER (SUP).
If level-down is observed on the right hand side of the
waveform, straighten the
level by turning the GUIDE ROLLER (TU).
(6) After the adjustment, try the unloading motion once, and
confirm that the waveform is flat when the tape has been
played back again.
(7) Play back the self-recording.
(8) Confirm that the waveform is flat.
Flatten the waveform.
Misalignment of guide
roller height on the
supply side
Misalignment of guide roller
height on the take-up side
Fig.4-3-1
ENV_OUT
HID
Fig.4-3-2
4.4ELECTRICAL ADJUSTMENT
Electrical adjustment is performed by using a personal computer
and software for SERVICE SUPPORT SYSTEM. Read
README.TXT file to use the software properly.
As for the connection of cables, see "4.2 JIG CONNECTOR
CABLE CONNECTION".
㧝)㧖and㧖㧖 (This mark shows where to attach the screws) : Do not reuse the screws because the screw lock bond was applied to prevent the screws from loosening.
Prepare the specified screws and use them in place of the removed screws.
㧞)Tightening torque for the screws
There are setting limits of the torque value for the torque driver. If the value exceeds the setting value, take it as a rough measurement (reference value),
and tighten the screw manually.
The specified torque value is a recommended value of the initial assembly. Therefore, set the value below the specified torque value in the assembling procedure.
Be careful not to break either the screws or the screw holes.
5.2EMERGENCY DISPLAY
Whenever some abnormal signal is input to the syscon CPU, an
error number (E01 and E04, as an example) is displayed on the
LCD monitor or (in the electronic view finder).In every error
status, such the message as shown below alter nately appear
over and over.
• In an emergency mode, all operations except turning on/off the
POWER switch are ineffectual.
Example (in case of the error number E01):
UNIT IN
SAFEGUARD MODE
01
REMOVE AND REATTACH
BATTERY OR DC PLUG
Example (in case of the error number E04):
01
UNIT IN
SAFEGUARD MODE
04
LCD displayEmergencymodeDetailsPossible cause
E01LOADINGIn the case the encoder position is not
shifted to the next point though the
loading motor has rotated in the
loading direction for 4 seconds or
more. This error is defined as [E01].
E02UNLOADINGIn the case the encoder position is not
shifted to the next point though the
loading motor has rotated in the
unloading direction for 4 seconds or
1. The mechanism is locked during mode shift.
2. The mechanism is locked at the mechanism loading end,
because the encoder position is skipped during mechanism
mode shift.
3. No power is supplied to the loading MDA.
1. The mechanism is locked during mode shift.
2. The mechanism is locked at the mechanism loading end,
because the encoder position is skipped during mechanism
mode shift.
more. This error is defined as [E02].
E03REEL FG(TU & SUP) In the case no REEL FG is produced
for seconds shown in the table below
or more in the capstan rotation mode
after loading was complete, the
mechanism mode is shifted to STOP
with the pinch roller set off. This error
is defined as [E03].However, no
REEL EMG is detected in the SLW/
STILL mode.
1. The idler gear does not engage with the reel disk well.
2. Though the idler gear and reel disk are engaged with each
other, the tape is not wound because of overload to the
mechanism.
3. No FG pulse is output from the reel sensor.
4. No power is supplied to the reel sensor.
5. Tape transport operation takes place with a cassette having
no tape inside.
6. The tape slackens and no pulse is produced until the slack
is taken up and the tape comes into the normal status.
REEL(SUP) REEL(TU)
PB/REC
S-FWD
S-REW
FF
REW
E04DRUM FGIn the case there is no DRUM FG
input in the drum rotation mode for 4
seconds or more. This error is defined
as [E04], and the mechanism mode is
shifted to STOP with the pinch roller
set off.
3 SEC
3 SEC
0.3 SEC
3 SEC
0.1 SEC
3 SEC
0.3 SEC
3 SEC
0.1 SEC
3 SEC
1. The drum cannot be started or drum rotation is stopped
because tape transport load is too high.
1) Tape tension is extremely high.
2) The tape is damaged or soiled with grease, etc.
2. The DRUM FG signal is not received by the syscon CPU.
1) Disconnection in the middle of the signal line.
2) Failure of the DRUM FG pulse generator (hall element).
3. No drum control voltage is supplied to the MDA.
4. No power is supplied to the DRUM MDA.
E05---
E06CAPSTAN FGIn the case no CAPSTAN FG is
produced in the capstan rotation
mode for 2 seconds or more. This
error is defined as [E06], and the
mechanism mode is shifted to STOP
with the pinch roller set off.However,
no CAPSTAN EMG is detected in the
STILL/FF/REW mode.
1. The CAPSTAN FG signal is not received by the syscon
CPU.
1) Disconnection in the middle of the signal line.
2) Failure of the CAPSTAN FG pulse generator (MR
element).
2. No capstan control voltage is supplied to the MDA.
3. The capstan cannot be started or capstan rotation is
stopped because tape transport load is too high.
1) Tape tension is extremely high. (Mechanical locking)
2) The tape is damaged or soiled with grease, etc. (Tape
tangling occurs, etc.)
Fig.5-2-1
EJECT AND
REINSERT TAPE
04
(No.YF124)1-21
Victor Company of Japan, Limited
Camcorder Category 12, 3-chome, Moriya-cho, kanagawa-ku, Yokohama, kanagawa-prefecture, 221-8528, Japan
For disassembling and assembling of MECHANISM ASSEMBLY, refer to the SERVICE MANUAL No.YF081(MECHANISM ASSEMBLY).
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade).
Safety precautions
The Components indentified by the symbolare
critical for safety. For continued safety, replace safety
critical components only with manufacturer's recommended parts.
1. Units of components on the schematic diagram
Unless otherwise specified.
1) All resistance values are in ohm. 1/6 W, 1/8 W (refer to
parts list).
Chip resistors are 1/16 W.
K: KΩ(1000Ω), M: MΩ (1000KΩ)
2) All capacitance values are in µF, (P: PF).
3) All inductance values are in µH, (m: mH).
4) All diodes are 1SS133, MA165 or 1N4148M (refer to parts
list).
Note: The Parts Number, value and rated voltage etc. in
the Schematic Diagram are for references only.
When replacing the parts, refer to the Parts List.
2. Indications of control voltage
AUX : Active at high.
AUX or AUX(L) : Active at low.
!
4. Voltage measurement
1) Regulator (DC/DC CONV) circuits
REC : Colour bar signal.
PB : Alignment tape (Colour bar).
—: Unmeasurable or unnecessary to measure.
2) Indication on schematic diagram
Voltage indications for REC and PB mode on the schematic diagram are as shown below.
REC mode
12 3
2.5
(5.0)
PB mode
1.8
PB and REC modes
(Voltage of PB and REC modes
are the same)
Note: If the voltages are not indicated on the schematic
diagram, refer to the voltage charts.
5. Signal path Symbols
The arrows indicate the signal path as follows.
NOTE : The arrow is DVC unique object.
Playback signal path
Playback and recording signal path
3. Interpreting Connector indications
1
2
Removable connector
3
1
2
Wire soldered directly on board
3
1
Non-removable Board connector
2
3
1
2
4
Board to Board
3
Connected pattern on board
The arrows indicate signal path
Note: For the destination of each signal and further line
connections that are cut off from the diagram,
refer to "BOARD INTERCONNECTIONS"
Recording signal path
(including E-E signal path)
Capstan servo path
Drum servo path
(Example)
R-Y
Playback R-Y signal path
Y
Recording Y signal path
6. Indication of the parts for adjustments
The parts for the adjustments are surrounded with the circle
as shown below.
7. Indication of the parts not mounted on the circuit board
“OPEN” is indicated by the parts not mounted on the circuit
board.
R216
2-1(No.YF124)
OPEN
CIRCUIT BOARD NOTES
1. Foil and Component sides
1) Foil side (B side) :
Parts on the foil side seen from foil face (pattern face)
are indicated.
2) Component side (A side) :
Parts on the component side seen from component face
(parts face) indicated.
rts location are indicated by guide scale on the circuit board.
2. Parts location guides
Parts location are indicated by guide scale on the circuit board.
LOCATION
IC
Category : IC
Horizontal “A” zone
Vertical “6” zone
(A : Component side)
D : Discrete component)
B : Foil side
C : Chip component
REF No.
IC101 B C6 A
Note: For general information in service manual, please
refer to the Service Manual of GENERAL INFORMATION Edition 4 No. 82054D (January 1994).