FUNAI VIP-5000HC MK12 User manual

SERVICE MANUAL
VIDEO CASSETTE RECORDER
Sec. 1: Main Section
●Specifications
●Preparation for Servicing
●Adjustment Procedures
●Schematic Diagrams
●CBA’ s
Sec. 2: Deck Mechanism Section
●Standard Maintenance
●Alignment for Mechanism
●Disassembly/Assembly of Mechanism
●Alignment Procedures of Mechanism
PAL
Sec. 3: Exploded views
and Parts List Section
●Exploded views
●Parts List
VIP-5000HC MK12
VIP-5000LR MK12
PLAY
REW F.FWD
STOP/EJECT
RECORD
RECORD
AUTO
REPEAT
AUTO
REPEAT
STANDBY
STANDBY ON
SYSTEM SELECT
/
PLAY
REW F.FWD
STOP/EJECT
AUTO
REPEAT
AUTO
REPEAT
STANDBY
STANDBY ON
SYSTEM SELECT
/
H7700CVR

TABLE OF CONTENTS
Specifications..................................................................................................................................................... 1-1-1
Important Safety Precautions............................................................................................................................. 1-2-1
Standard Notes for Servicing............................................................................................................................. 1-3-1
Preparation for Servicing ................................................................................................................................... 1-4-1
Cabinet Disassembly Instructions...................................................................................................................... 1-5-1
Electrical Adjustment Instructions ...................................................................................................................... 1-6-1
Block Diagrams.................................................................................................................................................. 1-7-1
Mechanical Trouble Indicator............................................................................................................................ 1-7-9
Schematic Diagrams / CBA’ s and Test Points .................................................................................................. 1-8-1
Waveforms......................................................................................................................................................... 1-9-1
Wiring Diagram .................................................................................................................................................. 1-10-1
System Control Timing Charts ............................................................................................................................1-11-1
IC Pin Function .................................................................................................................................................. 1-12-1
Lead Identifications............................................................................................................................................ 1-13-1
MAIN SECTION
VIDEO CASSETTE RECORDER
VIP-5000HC MK12/VIP-5000LR MK12
Sec. 1: Main Section
●Specifications
●Preparation for Servicing
●Adjustment Procedures
●Schematic Diagrams
●CBA’ s
H7700CVR

SPECIFICATIONS
Description Unit Minimum Nominal Maximum Remark
1. Video
1-1. Video Output (PB) Vp-p 0.8 1.0 1.2 FL6A
1-2. Video Output (R/P) Vp-p 0.8 1.0 1.2
1-3. Video S/N Y (R/P) dB 40 45 HPF:100Hz
INPUT:50% WHITE LPF:5MHz
SC TRAP ON
1-4. Video Color S/N AM (R/P) dB 35 41 HPF:100Hz
1-5. Video Color S/N PM (R/P) dB 30 36 LPF:500KHz
INPUT:100% COLOR SC TRAP ON
1-6. Resolution (PB) Line 230 240 FL6M
2. Servo
2-1. Jitter Low µsec 0.07 0.12 FL6N
2-2. Wow & Flutter % 0.3 0.6 E-30, CCIR, WTD
3. Normal Audio
3-1. Output (PB) dBV -10 -6 -2 FL6A
3-2. Output (R/P) dBV -10 -6 -1.5
3-3. S/N (R/P) dB 36 40
3-4. Distortion (R/P) % 1.5 4.0 INPUT:-10dBV
3-5. Freq. resp (R/P) at 200Hz dB -6 -3
(-20dB ref. 1kHz) at 8kHz dB -6 -3
Note: Nominal specs represent the design specs. All units should be able to approximate these – some will exceed
and some may drop slightly below these specs. Limit specs represent the absolute worst condition that still might be
considered acceptable; In no case should a unit fail to meet limit specs.
1-1-1 H85G0SP

IMPORTANT SAFETY PRECAUTIONS
Product Safety Notice
Some electrical and mechanical parts have special
safety-related characteristics which are often not evi-
dent from visual inspection, nor can the protection they
give necessarily be obtained by replacing them with
components rated for higher voltage, wattage, etc. Parts
that have special safety characteristics are identified by
a ! on schematics and in parts lists. Use of a substi-
tute replacement that does not have the same safety
characteristics as the recommended replacement part
might create shock, fire, and/or other hazards. The
Product’s Safety is under review continuously and new
instructions are issued whenever appropriate. Prior to
shipment from the factory, our products are carefully
inspected to confirm with the recognized product safety
and electrical codes of the countries in which they are
to be sold. However, in order to maintain such compli-
ance, it is equally important to implement the following
precautions when a set is being serviced.
Precautions during Servicing
A.Parts identified by the ! symbol are critical for
safety. Replace only with part number specified.
B.In addition to safety, other parts and assemblies are
specified for conformance with regulations applying
to spurious radiation. These must also be replaced
only with specified replacements.
Examples: RF converters, RF cables, noise block-
ing capacitors, and noise blocking filters, etc.
C.Use specified internal wiring. Note especially:
1) Wires covered with PVC tubing
2) Double insulated wires
3) High voltage leads
D.Use specified insulating materials for hazardous live
parts. Note especially:
1) Insulation tape
2) PVC tubing
3) Spacers
4) Insulators for transistors
E.When replacing AC primary side components
(transformers, power cord, etc.), wrap ends of wires
securely about the terminals before soldering.
F. Observe that the wires do not contact heat produc-
ing parts (heatsinks, oxide metal film resistors, fus-
ible resistors, etc.).
G.Check that replaced wires do not contact sharp
edges or pointed parts.
H.When a power cord has been replaced, check that
5 - 6 kg of force in any direction will not loosen it.
I.Also check areas surrounding repaired locations.
J.Use care that foreign objects (screws, solder drop-
lets, etc.) do not remain inside the set.
K.Crimp type wire connector
The power transformer uses crimp type connectors
which connect the power cord and the primary side
of the transformer. When replacing the transformer,
follow these steps carefully and precisely to prevent
shock hazards.
Replacement procedure
1)Remove the old connector by cutting the wires at a
point close to the connector.
Important: Do not re-use a connector. (Discard it.)
2)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.
3)Align the lengths of the wires to be connected. Insert
the wires fully into the connector.
4)Use a crimping tool to crimp the metal sleeve at its
center. Be sure to crimp fully to the complete closure
of the tool.
L.When connecting or disconnecting the internal con-
nectors, first, disconnect the AC plug from the AC
outlet.
1-2-1 H85G0SFP

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 their original positions.
Afterwards, do the following tests and confirm the speci-
fied values to verify compliance with safety standards.
1. Clearance Distance
When replacing primary circuit components, confirm
specified clearance distance (d) and (d’) between sol-
dered terminals, and between terminals and surround-
ing metallic parts. (See Fig. 1)
Table 1 : Ratings for selected area
AC Line Voltage Clearance Distance (d) (d’)
110 to 240 V ≥3mm(d)
≥6 mm(d’)
Note: This table is unofficial and for reference only.
Be sure to confirm the precise values.
2. Leakage Current Test
Confirm the specified (or lower) leakage current be-
tween B (earth ground, power cord plug prongs) and
externally exposed accessible parts (RF terminals, an-
tenna terminals, video and audio input and output ter-
minals, microphone jacks, earphone jacks, etc.) is lower
than or equal to the specified value in the table below.
Measuring Method (Power ON) :
Insert load Z between B (earth ground, power cord plug
prongs) and exposed accessible parts. Use an AC
voltmeter to measure across the terminals of load Z.
See Fig. 2 and the following table.
AC Voltmeter
(High Impedance)
Exposed Accessible Part
BOne side of
Power Cord Plug Prongs
Z
Fig. 2
Table 2 : Leakage current ratings for selected areas
AC Line Voltage Load Z Leakage Current (i) One side of power cord plug
prongs (B) to:
110 to 240 V
2kΩRES.
Connected in
parallel
i≤0.7mA AC Peak
i≤2mA DC RF or Antenna terminals
50kΩRES.
Connected in
parallel
i≤0.7mA AC Peak
i≤2mA DC A/V Input, Output
Note: This table is unofficial and for reference only. Be sure to confirm the precise values.
Chassis or Secondary Conductor
dd'
Primary Circuit Terminals
Fig. 1
1-2-2 H85G0SFP

STANDARD NOTES FOR SERVICING
Circuit Board Indications
a.The output pin of the 3 pin Regulator ICs is indicated
as shown.
b.For other ICs, pin 1 and every fifth pin are indicated
as shown.
c.The 1st pin of every male connector is indicated as
shown.
Instructions for Connectors
1.When you connect or disconnect the FFC (Flexible
Foil Connector) cable, be sure to first disconnect the
AC cord.
2.FFC (Flexible Foil Connector) cable should be in-
serted parallel into the connector, not at an angle.
How to Remove / Install Flat Pack-IC
1. Removal
With Hot-Air Flat Pack-IC Desoldering Machine:
(1)Prepare the hot-air flat pack-IC desoldering ma-
chine, then apply hot air to the Flat Pack-IC (about
5 to 6 seconds). (Fig. S-1-1)
(2)Remove the flat pack-IC with tweezers while apply-
ing the hot air.
(3)Bottom of the flat pack-IC is fixed with glue to the
CBA; when removing entire flat pack-IC, first apply
soldering iron to center of the flat pack-IC and heat
up. Then remove (glue will be melted). (Fig. S-1-6)
(4)Release the flat pack-IC from the CBA using tweez-
ers. (Fig. S-1-6)
Caution:
1.Do not supply hot air to the chip parts around the flat
pack-IC for over 6 seconds because damage to the
chip parts may occur. Put masking tape around the
flat pack-IC to protect other parts from damage.
(Fig. S-1-2)
2.The flat pack-IC on the CBA is affixed with glue, so
be careful not to break or damage the foil of each
pin or the solder lands under the IC when removing
it.
Hot-air
Flat Pack-IC
Desoldering
Machine
CBA
Flat Pack-IC
Tweezers
Masking
Tape
Top View
Out In
Bottom View
Input
5
10
Pin 1
Pin 1
FFC Cable
Connector
CBA
* Be careful to avoid a short circuit.
Fig. S-1-2
Fig. S-1-1
1-3-1 NOTE_1

With Soldering Iron:
(1)Using desoldering braid, remove the solder from all
pins of the flat pack-IC. When you use solder flux
which is applied to all pins of the flat pack-IC, you
can remove it easily. (Fig. S-1-3)
(2)Lift each lead of the flat pack-IC upward one by one,
using a sharp pin or wire to which solder will not
adhere (iron wire). When heating the pins, use a fine
tip soldering iron or a hot air desoldering machine.
(Fig. S-1-4)
(3)Bottom of the flat pack-IC is fixed with glue to the
CBA; when removing entire flat pack-IC, first apply
soldering iron to center of the flat pack-IC and heat
up. Then remove (glue will be melted). (Fig. S-1-6)
(4)Release the flat pack-IC from the CBA using tweez-
ers. (Fig. S-1-6)
With Iron Wire:
(1)Using desoldering braid, remove the solder from all
pins of the flat pack-IC. When you use solder flux
which is applied to all pins of the flat pack-IC, you
can remove it easily. (Fig. S-1-3)
(2)Affix the wire to a workbench or solid mounting point,
as shown in Fig. S-1-5.
(3)While heating the pins using a fine tip soldering iron
or hot air blower, pull up the wire as the solder melts
so as to lift the IC leads from the CBA contact pads
as shown in Fig. S-1-5.
(4)Bottom of the flat pack-IC is fixed with glue to the
CBA; when removing entire flat pack-IC, first apply
soldering iron to center of the flat pack-IC and heat
up. Then remove (glue will be melted). (Fig. S-1-6)
(5)Release the flat pack-IC from the CBA using tweez-
ers. (Fig. S-1-6)
Note:
When using a soldering iron, care must be taken to
ensure that the flat pack-IC is not being held by glue.
When the flat pack-IC is removed from the CBA,
handle it gently because it may be damaged if force
is applied.
Flat Pack-IC Desoldering Braid
Soldering Iron
Fig. S-1-3
Fine Tip
Soldering Iron
Sharp
Pin
To Solid
Mounting Point
Soldering Iron
Iron Wire
or
Hot Air Blower
Fig. S-1-4
Fig. S-1-5
Fine Tip
Soldeing Iron
CBA
Flat Pack-IC
Tweezers
Fig. S-1-6
1-3-2 NOTE_1

2. Installation
(1)Using desoldering braid, remove the solder from the
foil of each pin of the flat pack-IC on the CBA so you
can install a replacement flat pack-IC more easily.
(2)The " ●" mark on the flat pack-IC indicates pin 1.
(See Fig. S-1-7.) Be sure this mark matches the 1
on the PCB when positioning for installation. Then
pre- solder the four corners of the flat pack-IC. (See
Fig. S-1-8.)
(3)Solder all pins of the flat pack-IC. Be sure that none
of the pins have solder bridges.
Instructions for Handling
Semiconductors
Electrostatic breakdown of the semiconductors may
occur due to a potential difference caused by electro-
static charge during unpacking or repair work.
1. Ground for Human Body
Be sure to wear a grounding band (1MΩ) that is properly
grounded to remove any static electricity that may be
charged on the body.
2. Ground for Workbench
Be sure to place a conductive sheet or copper plate with
proper grounding (1MΩ) on the workbench or other
surface, where the semiconductors are to be placed.
Because the static electricity charge on clothing will not
escape through the body grounding band, be careful to
avoid contacting semiconductors with your clothing.
CBA
CBA
Grounding Band
Conductive Sheet or
Copper Plate
1MΩ
1MΩ
Presolder
CBA
Flat Pack-IC
Example :
Pin 1 of the Flat Pack-IC
is indicated by a " ●" mark.
Fig. S-1-7
Fig. S-1-8
< Incorrect >
< Correct >
1-3-3 NOTE_1

PREPARATION FOR SERVICING
How to Enter the Service Mode
About Optical Sensors
Caution:
An optical sensor system is used for the Tape Start and
End Sensors on this equipment. Carefully read and
follow the instructions below. Otherwise the unit may
operate erratically.
What to do for preparation
Insert a tape into the Deck Mechanism Assembly and
press the PLAY button. The tape will be loaded into the
Deck Mechanism Assembly. Make sure the power is
on, connect TP507 (SENSOR INHIBITION) to GND.
This will stop the function of Tape Start Sensor, Tape
End Sensor and Reel Sensors. (If these TPs are con-
nected before plugging in the unit, the function of the
sensors will stay valid.) See Fig. 1.
Note: Because the Tape End Sensors are inactive, do
not run a tape all the way to the start or the end of the
tape to avoid tape damage.
CN251
CN501
CN504 CN502
CN503
TP507
S-INH
(REC-SAFETY SW)
[ VIP-5000LR MK12 only ]
SW506
Q503
Q504
Fig. 1
1-4-1 H85G0PFS

CABINET DISASSEMBLY INSTRUCTIONS
1. Disassembly Flowchart
This flowchart indicates the
disassembly steps to gain
access to item(s) to be serv-
iced. When reassembling,
follow the steps in reverse
order. Bend, route, and
dress the cables as they
were originally.
Disassembly Method
ID/
LOC.
No. PART
REMOVAL
Fig.
No.
REMOVE/
*UNHOOK/UNLOCK/
RELEASE/UNPLUG/
DESOLDER
Note
[1] Top Case 1 3(S-1) -
[2] Front
Assembly 2 *3(L-1), *4(L-2) -
[3]
Deck
Assembly 3 6(S-2), Spacer *(CN251,
CN501 [ VIP-
5000LR MK12 ],
CN502, CN503,
CN504)
1, 2
[4]
REC Arm
Assembly
[ VIP-
5000LR
MK12 ]
3 ----------
-
[5] Main CBA 4 *(L-3), *2(L-4) -
[6] Function
CBA 4 Desolder 3
↓
➀↓ ➁↓ ➂↓ ➃↓ ➄
Reference Notes
CAUTION: Locking Tabs (L-1) and (L-2) are fragile. Be
careful not to break them.
1. Remove six Screws (S-2) and the spacer. Then
slowly lift the Deck Assembly up. Lifting Deck As-
sembly disconnects five Connectors (CN251
CN501 [ VIP-5000LR MK12 ], CN502, CN503,
CN504). (Fig. 3)
2. Before installing the Deck Assembly, be sure to
place the pin of LD-SW on Main CBA as shown in
Fig. 5. Then, install the Deck Assembly while align-
ing the hole of Cam Gear with the pin of LD-SW, the
shaft of Cam Gear with the hole of LD-SW as shown
in Fig. 5.
3. After removing the Main CBA, desolder from bottom
of the Main CBA as shown in Fig. 4 to remove the
Function CBA.
(S-1)
[1]Top Case
Fig. 1
[1] Top Case
[2] Front Assembly
[6] Function CBA
[3] Deck Assembly
[4] REC Arm Assembly
[5] Main CBA
[ VIP-5000LR MK12 only ]
1 : Identification (location) No. of parts in the figures
2 : Name of the part
3 : Figure Number for reference
4 : Identification of parts to be removed, unhooked, un-
locked, released, unplugged, unclamped, or
desoldered.
P=Spring, L=Locking Tab, S=Screw,
CN=Connector
*=Unhook, Unlock, Release, Unplug, or Desolder
e.g. 2(S-2) = two Screws (S-2),
2(L-2) = two Locking Tabs (L-2)
5 :Refer to "Reference Notes."
1-5-1 H85G0DC

(L-4)
(L-4)
(L-3)
[5]Main C.B.A.
[6]Function C.B.A.
Desolder from
bottom
Fig. 4
(L-2)
(L-1) [2]Front Assembly
(L-2)
Fig. 2
[5]Main C.B.A.
SW507
LD-SW
LD-SW Pin
Pin
Hole
Hole
Shaft
Cam Gear
[5]Main C.B.A.
[4]Deck Assembly
Fig. 5
(S-2)
[3]Deck
Assembly
[4]REC Arm
Assembly
(S-2)
CN504
CN502
CN503
CN501
Spacer
CN251
[ VIP-5000LR MK12 ]
Fig. 3
1-5-2 H85G0DC

ELECTRICAL ADJUSTMENT INSTRUCTIONS
General Note: "CBA" is an abbreviation for "Circuit
Board Assembly".
Notes:
1.Electrical adjustments are required after replacing
circuit components and certain mechanical parts. It
is important to do these adjustments only after all
repairs and replacements have been completed.
Also, do not attempt these adjustments unless the
proper equipment is available.
2.To perform these alignment / confirmation proce-
dures, make sure that the tracking control is set in
the center position: Press either channel "▼" or "▲"
button first, then the " PLAY " button (VCR’s Front
Panel only).
Test Equipment Required
1.Oscilloscope: Dual-trace with 10:1 probe, V-Range:
0.001~50V/Div., F-Frange: AC~DC-20MHz
2.Alignment Tape ( FL6A )
1. Head Switching Position
Adjustment
Purpose: To determine the Head Switching point dur-
ing playback.
Symptom of Misadjustment: May cause Head
Switching noise or vertical jitter in the picture.
Test Point Adj. Point Mode Input
TP751(V-OUT)
TP502(RF-SW)
GND VR501 (SW-P) PLAY
(SP) ----
Tape Measurement
Equipment Spec.
FL6A Oscilloscope 6.5H±1H
(412.7±60µs)
Connections of Measurement Equipment
Figure 1
Reference Note:
TP502, TP751, VR501 : Main CBA
•Play back the test tape and adjust VR501 so that the
V-sync front edge of the CH1 video output wave-
form is at the 6.5H(412.7µs) delayed position from
the rising edge of the CH2 head switching pulse
waveform.
EXT. Synchronize Trigger Point
V-Sync
0.5H1.0H
6.5H
Switching Pulse
CH2
CH1
GND
Main CBA
TP502
TP751
CH1 CH2
Oscilloscope
Trig. (+)
1-6-1 H8740EA

M
M
CN502
DRUM
MOTOR
PG
SENSOR
1LD-M(-)
2LD-M(+)
LOADING
MOTOR
CONTROL
HEAD
CN287
5 8CTL(+)
6 9CTL(-)
CN504
CN504
1C-F/R
2P-ON+5V
3AL+12V
4C-FG
5NU
6C-DRIVE
7
FG-GND
8CM-GND
CN503
CAPSTAN
MOTOR
CYLINDER ASSEMBLY
LOADING MOTOR ASSEMBLY
AC HEAD ASSEMBLY
MAIN CBA
CAPSTAN MOTOR
KEY-2
RF-SW
C-FG
D-FG
D-PG
PB-CTL
ST-S
T-REEL
C-CONT
C-F/R
KEY-1
V-ENV
REMOCON
REC-CTL(+)
C-ROTA
D-REC-H D-REC-H
PG-DELAY
A-MUTE-H A-MUTE-H
RF-SW
V-ENV
I2C BUS SCL-1
I2C BUS SDA-1
C-ROTA
END-S
IC501
(SERVO/SYSTEM CONTROL)
1
53
52
54
19
REC-CTL(-)
20
51
75
68
49
66
55
71
17
15
70
9
10
62
60
73
72
RS501
REMOTE
SENSOR
LM-
FWD/REV
59
D-CONT56
AL+5V
P-ON+5V
D555
S-LED
(MEMORY)
IC505
(DRUM /LOADING MOTOR DRIVE)
IC506
IC503
Servo/System Control Block Diagram BLOCK DIAGRAMS
END-S
END-S
T-REEL
ST-S
Q503 Q504 Q506
SW-POINT
AL+5VVR501
TP506
P-ON-L
RESET P-ON-L
RESET
61
34
I2C BUS SCL-1
I2C BUS SDA-1
I2C BUS SCL-1
I2C BUS SDA-1 TO VIDEO
BLOCK
TO AUDIO
BLOCK
TO POWER
SUPPLY
BLOCK
2 2KEY-2
KEY
SWITCH KEY SWITCH
TP507
S-INH
CN651CN505
FUNCTION CBA
1-7-1 1-7-2 H85G0BLS
SCL
SDA
MD701
6
5
25
24
22
21
16
15
10
9814
17
4
2
18
14
20
LD-SW74
DRUM
MOTOR
DRIVE
DRIVE LOADING
MOTOR
CONTROL
+
-
+
-
13
12
+
-
P-ON+5V
AL+12V
SCL
SDA
AL+5V
SW507
LD-SW
(1/3)
TP501 CTL
REC-IND 88
REC-IND 91
AUTO REPEAT-IND 92
D597 REG TIMER
D598 AUTO REPEAT
D599 POWER
P-ON+9V/+12V
AL+5V
AUTO REPEAT-IND 94
2
1
(DECK ASSEMBLY)
9
M
REC-SAF-SW 25
SW506
REC-SAFETY
AL+5V
D595 STAND-BY
1D-W
2D-V
3D-U
4D-COM
5PG-IN
B
B
B
Comparison Chart of
Models & Marks
Model Mark
VIP-5000HC MK12
VIP-5000LR MK12
A
B

VIDEO (L) HEAD
CYLINDER ASSEMBLY
VIDEO (R) HEAD
V(L)
V-COM
V(R)
CN251
1
2
3
10
Video Block Diagram
1-7-3 1-7-4 H85G0BLV
(DECK ASSEMBLY)
BUFFER
Q305
BUFFER
Q311
AMP
Q310
Q309
BUFFER
Q308
C-SYNC C-SYNC
OSD-BB-OUT
C-ROTA
26
FBC
VXO
CHARA
INS.
Y/C
MIX
PIC-CTL
ANR
KILL
B.D.
AMP
NOISE
CANCEL
M
DE EMPA
CCD 1H
DELAY
1/2 Y-LPF
CLAMP
L
R
REC FM
AGC
PB FM
AGC
FM
DEMOD.
DOUBLE
LIMIT
V/I
CONV
SUB
LPF
SERIAL
DECORDER
11
93 V-ENV
RF-SW
TO
SERVO/SYSTEM
CONTROL BLOCK
C-ROTA
ENV DET TP502
RF-SW
TO
SERVO/SYSTEM
CONTROL BLOCK
I2C BUS SDA-1
I2C BUS SCL-1
C-LPF
R P
R
P
R P
R P
R/P
B/B R
PDOC YNR Y/C COMB
ACC B-UP
AMP
MAIN
CONV
R
R
P
P
R P
SUB
CONV
4.43MHz
629KHz
21 24 2320
IC301
IC501
(Y/C PROCESS) 29 67 66 49
X302
4.43MHz
43 45 46 41
Q307
REC-VIDEO SIGNAL PB-VIDEO SIGNAL MODE: SP/REC
BUFFER
Q304
BUFFER
88
89
90
91
72715759 54 52 51 61
28
D-V SYNCD-V SYNC
25
27
21
SECAM-CHARA-H 2
31
30
33
OSD-CHARA-OUT
38
17
19
18
MAPBPF
BPF
D.E.
NL
EMPHA
C-COMB COMB
AMP
CCD
LPF
BPF
KIL
Q302, Q303
PEAKING
AMP
32 31 EE
AGC
CLAMP
REC
FM-EQ
PB
FM-EQ
FM
MOD
DETAIL
ENH
W/D
CLIP
CLAMP
MAIN CBA
74
WF2
TP301
C-PB
WF5
JK751
V-OUT
MD701
VIDEO
TP751
V-OUT
3
WF1
VXO
63 64
X301
3.58MHz
B
TU701
CN751
VIDEO
TP751
V-OUT
6
TU-VIDEO 24
WF1
JK752
V-IN
B
Comparison Chart of
Models & Marks
Model Mark
VIP-5000HC MK12
VIP-5000LR MK12
A
B

Audio Block Diagram
98
REC
AMP
7
6
AUTO
BIAS
99
P-ON+5V
P-ON+5V
Q401
BIAS
OSC
Q402
Q404 (PB=ON)
Q405
(PB=ON)
Q403
SWITCHING
D-REC-OFF
4EQ
AMP
100 1
2
LINE
AMP
ALC
DET
MUTE 96
97
3
PB-ON
SP/LP-ON
P
R
ALC
IC301
(AUDIO PROCESS) 76
TP752
A-OUT
7 A-PB/REC
CN504
6 A-COM
4 AE-H
5 FE-H
A-PB/REC 4
A-COM 3
AE-H 1
AE-H/FE-H 2
CN287
AUDIO
HEAD
AUDIO
ERASE
HEAD
ACE HEAD ASSEMBLY
FE HEAD
1 FE-H
2 FE-H-GND
CN501
1-7-5 1-7-6 H85G0BLA
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL Mode : SP/REC
1030
D-REC-H
A-MUTE-H
I2C BUS SCL-1
I2C BUS SDA-1
TO SERVO/SYSTEM
CONTROL BLOCK
FULL
ERASE
HEAD
23 24
SERIAL
DECODER
(DECK ASSEMBLY)
JK751
A-OUT
MD701
AUDIO 5
JK752
A-IN
B
A
B
B
B
B
Comparison Chart of
Models & Marks
Model Mark
VIP-5000HC MK12
VIP-5000LR MK12
A
B

2
4
16
6
7
Power Supply Block Diagram
CAUTION
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,
REPLACE ONLY WITH THE SAME TYPE T1.6AL/250V FUSE.
NOTE :
The voltage for parts in hot circuit is measured using
hot GND as a common terminal.
CAUTION !
Fixed voltage (or Auto voltage selectable ) power supply circuit is used in this unit.
If Main Fuse (F001) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to fail.
H85G0BLP1-7-7 1-7-8
COLD
MAIN CBA
HOT CIRCUIT. BE CAREFUL.
HOT
IC001
ERROR
VOLTAGE DET
Q002
Q003
Q001
F001
T1.6AL/250V L003
LINE
FILTER
BRIDGE
RECTIFIER
D001 - D004
1
2
3
4
Q004
(SHUNT REGULATOR)
REG
AC001
T001
AL+44V
12
AL+12V
P-ON-L
P-ON+12V
AL+5V
TIMER+5V
P-ON+5V
RESET
Q061
J924
Q054
Q056
13
15
14
11
17
18
A
B
Comparison Chart of
Models & Marks
Model Mark
VIP-5000HC MK12
VIP-5000LR MK12
A
B

MECHANICAL TROUBLE INDICATOR
Note:
The following symbols will appear on the indicator panel to indicate mechanical trouble.
Indicator Mode
AUTO REPEAT
at 0.4Hz interval When power safety is not functioning properly.
at 0.8Hz interval When capstan/reel mechanism is not functioning properly.
at 1.6Hz interval When tape loading mechanism is not functioning properly.
at 3.2Hz interval When cassette loading mechanism is not functioning properly.
at 6.4Hz interval When the drum is not functioning properly.
1-7-9 H85G0FIS

SCHEMATIC DIAGRAMS / CBA’S AND TEST POINTS
Standard Notes
WARNING
Many electrical and mechanical parts in this chassis
have special characteristics. These characteristics
often pass unnoticed and the protection afforded by
them cannot necessarily be obtained by using replace-
ment components rated for higher voltage, wattage, etc.
Replacement parts that have these special safety char-
acteristics are identified in this manual and its supple-
ments; electrical components having such features are
identified by the mark " ! " in the schematic diagram
and the parts list. Before replacing any of these compo-
nents, read the parts list in this manual carefully. The
use of substitute replacement parts that do not have the
same safety characteristics as specified in the parts list
may create shock, fire, or other hazards.
Capacitor Temperature Markings
Mark Capacity
change rate Standard temperature Temperature range
(B) ±10% 20°C -25~+85°C
(F) +30 -80% 20°C -25~+85°C
(SR) ±15% 20°C -25~+85°C
(Z) +30 -80% 20°C -10~+70°C
Note:
1. Do not use the part number shown on these draw-
ings for ordering. The correct part number is shown
in the parts list, and may be slightly different or
amended since these drawings were prepared.
2. All resistance values are indicated in ohms (K=103,
M=106).
3.Resistor wattages are 1/4W or 1/6W unless other-
wise specified.
4.All capacitance values are indicated in µF
(P=10−6µF).
5. All voltages are DC voltages unless otherwise speci-
fied.
6. Electrical parts such as capacitors, connectors, di-
odes, IC’s, transistors, resistors, switches, and
fuses are identified by four digits. The first two digits
are not shown for each component. In each block
of the diagram, there is a note such as shown below
to indicate these abbreviated two digits.
(Top View) (Bottom View)
(Bottom View)
Electrolytic Capacitor
+
Transistor or Digital Transistor
NPN Transistor PNP Transistor
NPN Digital Transistor PNP Digital Transistor
(Top View)
(Top View)
E C B
E C B
Digital Transistor
CBA Symbols Schematic Diagram Symbols
E C B
(Top View)
(Top View)
E C B
E C B
-
Capacitors and transistors are represented by the following symbols.
1-8-1 SCPA1

LIST OF CAUTION, NOTES, AND SYMBOLS USED IN THE SCHEMATIC DIAGRAMS ON THE FOLLOWING
PAGES:
1. CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD, REPLACE ONLY WITH THE SAME TYPE FUSE.
2. CAUTION:
Fixed Voltage (or Auto voltage selectable) power supply circuit is used in this unit.
If Main Fuse (F001) is blown, first check to see that all components in the power supply circuit are not defective
before you connect the AC plug to the AC power supply. Otherwise it may cause some components in the power
supply circuit to fail.
3. Note:
(1)Do not use the part number shown on the drawings for ordering. The correct part number is shown in the parts
list, and may be slightly different or amended since the drawings were prepared.
(2)To maintain original function and reliability of repaired units, use only original replacement parts which are listed
with their part numbers in the parts list section of the service manual.
4. Wire Connectors
(1)Prefix symbol "CN" means "connector" (can disconnect and reconnect).
(2)Prefix symbol "CL" means "wire-solder holes of the PCB" (wire is soldered directly).
5. Note: Mark "•" is a leadless (chip) component.
6. Mode: SP/REC
7. Voltage indications for PLAY and REC modes on the schematics are as shown below:
8. How to read converged lines
1-D3
Distinction Area
Line Number
(1 to 3 digits)
Examples:
1. "1-D3" means that line number "1" goes to area "D3".
2. "1-B1" means that line number "1" goes to area "B1".
9. Test Point Information
2315.0
(2.5)
PLAY mode
REC mode
5.0
The same voltage for
both PLAY & REC modes Indicates that the voltage
is not consistent here.
Unit: Volts
3
2
1
ABCD
1-B1
1-D3
AREA D3
AREA B1
: Indicates a test point with a jumper wire across a hole in the PCB.
: Used to indicate a test point with a component lead on foil side.
: Used to indicate a test point with no test pin.
: Used to indicate a test point with a test pin.
1-8-2 SCRK05

1-8-3 1-8-4 1-8-5 H85G0SCM1
Main 1/4 Schematic Diagram Comparison Chart of
Models and Marks
MODEL MARK
VIP-5000HC MK12 A
VIP-5000LR MK12 B
Note:
When it is necessary to replace one or more of the following Diodes,
all four should be replaced: D595, D597, D598, D599.
*1