Fostex COP-1/96K User manual

COP-1/96k
Service Manual
Model
COAXIALOPTICALCONVERTER
FOSTEX CORPORATION 3-2-35 Musashino, Akishima, Tokyo, Japan 196-0021
FOSTEX CORPORATION OF AMERICA 15431 Blackburn Ave., Norwalk, CA 90650, U.S.A. © PRINTED IN JAPAN OCT. 1999 8288787000

SAFETY INSTRUCTIONS
Read instructions - All the safety and operating instruc-
tions should be read before the appliance is operated.
Retain instructions - The safety and operating instructions
should be retained for future reference.
Heed warnings - All warnings on the appliance and in the
operating instructions should be adhered to.
Follow instructions - All operating and use instructions
should be followed.
Water and Moisture - The appliance should not be used
near water - for example, near a bathtub, washbowl,
kitchen sink, laundry tub, in a wet basement, or near a
swimming pool, and the like.
Carts and Stands - The appliance should be used only
with a cart or stand that is recommended by the manufac-
turer.
An appliance and cart combination should be moved with
care. Quick stops, excessive force, and uneven surfaces
may cause the appliance and cart combination to over-
turn.
Wall or Ceiling Mounting - The appliance should be
mounted to a wall or ceiling only as recommended by the
manufacturer.
Ventilation - The appliance should be situated so that its
location or position does not interfere with its proper ven-
tilation. For example, the appliance should not be situ-
ated on a bed, sofa, rug, or similar surface that may block
the ventilation openings; or, placed in a built-in installa-
tion, such as a bookcase or cabinet that may impede the
flow of air through the ventilation openings.
Heat - The appliance should be situated away from heat
sources such as radiators, heat registers, stoves, or other
appliances (including amplifiers) that produce heat.
Power Sources - The appliance should be connected to a
power supply only of the type described in the operating
instructions or as marked on the appliance.
Grounding or Polarization - The precautions that should
be taken so that the grounding or polarization means of
an appliance is not defeated.
Power Cord Protection - Power supply cords should be
routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords at plugs, convenience recep-
tacles, and the point where they exit from the appliance.
Cleaning - The appliance should be cleaned only as rec-
ommended by the manufacturer.
Nonuse Periods - The power cord of the appliance should
be unplugged from the outlet when left unused for a long
period of time.
Object and Liquid Entry - Care should be taken so that
objects do not fall and liquids are not spilled into the en-
closure through openings.
Damage requiring Service - The appliance should be ser-
viced by qualified service personnel when:
A.
B.
C.
D.
E.
Servicing - The user should not attempt to service the ap-
pliance beyond that described in the operating instruc-
tions. All other servicing should be referred to qualified
service personnel.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
TO PREVENT ELECTRIC SHOCK, MATCH
WIDE BLADE OF PLUG TO WIDE SLOT,
FULLY INSERT.
POUR ÉVITER LES CHOCS ÉLECTRIQUES,
INTRODUIRE LA LAME LA PLUS LARGE DE
LA FICHE DANS LA BORNE CORRE-
SPONDANTE DE LA PRISE ET POUSSER
JUSQU' AU FOND.
CAUTION:
ATTENTION:
The exclamation point within an equilateral
triangle is intended to alert the user to the
presence of important operating and mainte-
nance (servicing) instructions in the literature
accompanying the appliance.
The lightening flash with arrowhead symbol,
within an equilateral triangle, is intended to
alert the user to the presence of uninsulated
“dangerous voltage” within the product's en-
closure that may be of sufficient magnitude to
constitute a risk of electric shock to persons.
“WARNING”
“TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOIS-
TURE.”
1.
2.
3.
4.
5.
6.
7.
8.
The power supply cord or the plug has been damaged;
or
Objects have fallen, or liquid has been spilled into the
appliance; or
The appliance has been exposed to rain; or
The appliance does not appear to operate normally or
exhibits a marked changed in performance; or
The appliance has been dropped, or the enclosure
damaged.
9.
10.
11.
12.
13.
14.
15.
16.
17.
7
COP-1/96k COP-1/96k
4. CIRCUIT & BLOCK DIAGRAMS
1
3 2
U3 GPIF37R1
OPTICAL IN
D+5
DGND
R6 47K
C13
0.1
DGND
R3
330
R2 2.2K
U2C
74HCU04
D+5
DGND
1 3 2
U4 GPIF38T2
OPT_RX
C16 NON (0.01)
DGND
C1 10/35
D1
DSK10C-BT 1
3
2
U1
78L05
IN OUT
C12 0.1
D+5 VCC
DGND GND
34
6
1 2
K7-T
T1 R4
75
L12
BEAD
R9 470
D+9
DGND
D4 LED_G
DC_IN
J1
OPT_TX
L2
jumper (W2)
R1 3.3K
C14
0.1
C3 10/35
56
U2E
74HCU04
11 10
U2F
74HCU04
13 12
U2D
74HCU04
98
DGND
L10
BEAD
L13
BEAD
CHASSIS
C15 0.1
J2 COAX_OUT
COAXIAL OUT
74HCU04
U2A
DGND
R5 2.2K
DGND
C18
22P
C19 47P
R7
10
D2 GMA01
D3 GMA01
C17 NON (0.01)
C5
33/25 R8
75
DGND
L11 BEAD J3
COAX_IN
DGND
OPTICAL OUT
CHASSIS
L1
6 HOLE
C11
0.1
C10 0.1 GC2
10/35
COAXIAL IN
U2B
74HCU04
C4
33/25
1
2
1
2
43 21
COP-1/96k PCB

36
COP-1/96k COP-1/96k
Parts marked with this sign are safety critical components. They must always be replaced with identical
components. Refer to the Fostex Parts List and ensure exact replacement.
CAUTION
TABLE OF CONTENTS
Owner's manual : 8288455000 (for export model)
: 8288456000 (for domestic model)
AC adaptor AD-9A : 8270728003 (for USA/CND)
: 8270728006 (for EUR)
: 8270728007 (for UK)
: 8270728010 (for JPN)
Parts List and circuit diagrams are given in this manual to assist the service technician in maintaining
the Model COP-1/96k.
NOTES
The following accessories are supplied with COP-1/96k as the standard accessories.
*
*
Following is the packing material for the Model COP-1/96k.
*
Carton, inner, COP-1/96k : 8228691000
Packing, COP-1/96k : 8228409000
!
1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. CONTROLS, INDICATORS AND CONNECTORS . . . . . . . . . . . .
3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST . . . . . .
4. CIRCUIT & BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . .
4
4
5
7
!
Ref. No. Part No. Description
8274 0310 00 PCB Assy, COP-1/96k
8251 9471 01 Plain PCB, COP-1/96k
ICs
Ref. No. Part No. Description
U001 8236 0220 00 92, AN, regulator, NJM78L05A
U002 8236 0074 01 DIP, DG, CMOS, 74HCU04
U003 8245 5530 10 Connector, opt, GPIF37R1
U004 8245 5520 10 Connector, opt, GPIF38T2
DIODEs
Ref. No. Part No. Description
D001 8234 0162 02 V, DSK10C
D002, 003 8234 0085 00 VF, GMA01-FY1, F5
D004 8234 0201 00 Opt., V, LED, grn, GL3KG8
RESISTORs
Ref. No. Part No. Description
R001 8230 0563 32 HF, carbon, 1/4W, 3.3kΩ, 5%, F5
R002 8230 0562 22 HF, carbon, 1/4W, 2.2kΩ, 5%, F5
R003 8230 0563 31 HF, carbon, 1/4W, 330Ω, 5%, F5
R004 8230 0567 50 HF, carbon, 1/4W, 75Ω, 5%, F5
R005 8230 0562 22 HF, carbon, 1/4W, 2.2kΩ, 5%, F5
R006 8230 0564 73 HF, carbon, 1/4W, 47kΩ, 5%, F5
R007 8230 0561 00 HF, carbon, 1/4W, 10Ω, 5%, F5
R008 8230 0567 50 HF, carbon, 1/4W, 75Ω, 5%, F5
• COP-1 PCB assy
COP-1/96k Parts List
Ref. No. Part No. Description
R009 8230 0564 71 HF, carbon, 1/4W, 470Ω, 5%, F5
CAPACITORs
ALU = Electrolytic type
CER = Ceramic type
Ref. No. Part No. Description
C001~003 8232 0971 06 V, ALU, 35V, 10µF, 20%, SME-VB
C004, 005 8232 0953 36 V, ALU, 25V, 33µF, 20 %, SME-VB
C010~015 8232 8041 04 V, CER, 25V, 0.1µF, +80-20 %, YF
C016, 017 N/A
C018 8232 0502 20 V, CER, 50V, 22pF, 5%, SL
C019 8232 0504 70 V, CER, 50V, 47pF, 5%, SL
C020 8232 8041 04 V, CER, 25V, 0.1µF, +80-20 %, YF
MISCELLANEOUS
Ref. No. Part No. Description
Y201 8276 8730 02 Tube, UL, black, 1, L05
E201 8276 0020 02 Wire, jumper, F5
E202 8276 0020 04 Wire, jumper, F10
J001 8245 5440 00 Connector, jack, DC inlet, YKB31-0014
J002, 003 8245 2460 10 Connector, PL, jack, RCA, 1P, EMI,
WP371
L001 8242 1350 01 Filter, EMI, 6 hole
L002 8276 0020 04 Wire, jumper, F10
L010~013 8242 1860 13 Filer, T, EMI, LFW7B-M3R2T
T001 8242 2350 00 Transformer, digital out, K7-T
COP-1/96k PCB Pattern drawing
C13 C19
R1
R3
R2
R5
C3
L2
+
C1
L12
C5
C17
C20 R7
R6
+
++
R9
C10
D3
U1
L10 C15
D4
J1
J2
C16
C4
L1 D2
R4
D1
C11
C18
U4
C14
U3
U2
+
T1
L11 R8
L13
J3
COP-1 8251947 101
Designd by HARUMI.A
C2
C12

54
COP-1/96k COP-1/96k
1. SPECIFICATIONS
Specifications and appearance are subject to change without notice for product improvement.
COAXIAL IN
Connector RCA pin
Input impedance 75 Ω
Normal input level 0.5 Vp-p
COAXIAL OUT
Connector RCA pin
Output impedance 75 Ω
Normal output level 0.5 Vp-p (When connecting to 75 Ωload)
OPTICAL IN
Connector Square shape optical
Format IEC 60958 (S/P DIF)
OPTICAL OUT
Connector Square shape optical
Format IEC 60958 (S/P DIF)
DC IN 9 V, 500 mA (Inner: Plus, Outer: Minus)
SAMPLING FREQUENCY 32 kHz ~ 96 kHz
DIMENSIONS 32 (H) x 70 (W) x 83 (D) mm
WEIGHT 300 g (excluding accessories)
POWER REQUIREMENT JPN : 100 V AC
USA/CND : 120 V AC
UK/EUR : 230 V AC
POWER SUPPLY Fostex AC adaptor AD-9A
2. CONTROLS, INDICATORS & CONNECTORS
1. Optical input/output connector [IN/OUT]
2. Coaxial input/output connector [IN/OUT]3. AC adaptor jack [DC IN 9V]
4. Power indicating LED [POWER]
IN OUT
COAXIAL
OPTICAL
CONVERTER
COP-1
IN OUT DC IN
9V POWER
14
32
3. EXPLODED VIEW, PCB ASSEMBLY AND PARTS LIST
Ref. No. Part No. Description
1 8221 1600 00 Chassis, COP-1/96k
2 8221 1611 00 Cover, COP-1/96k
3 8216 4360 00 Foot, D8, COP-1/96k
4 8274 0310 00 PCB assy, COP-1/96k
5 8207 0047 01 Plastic rivet, # 1C18
6 8274 2430 00 PCB assy, MAIN, COP-1
7 8216 6250 00 Sheet, isolation, COP-1/96k
Ref. No. Part No. Description
7 8270 7280 03 AC adaptor, AD-9A, USA/CND
8270 7280 06 AC adaptor, AD-9A, EUR
8270 7280 07 AC adaptor, AD-9A, UK
8270 7280 10 AC adaptor, AD-9A, JPN
8 8218 7920 00 Label, 96k
COP-1/96k OVERALL EXPLODED VIEW & PARTS LIST
PTP3 x 6BZn
PTP3 x 6BZn
PPT3 x 8BZn
P3 x 6BZn
This part comes with
U003 / 004.
*
7
61
4
3
5
28