Sony HCD-GNX80 User manual
HCD-GNX80
E Model
Australian Model
SERVICE MANUAL
MiNi Hi-Fi COMPONENT SYSTEM
Sony Corporation
Audio Group
Published by Sony Engineering Corporation
9-879-460-01
2005B02-1
© 2005.02
SPECIFICATIONS
Ver.1.0 2005. 02
– Continued on next page –
•HCD-GNX80 is the Amplifier,
CD player, tape deck and tuner
section in MHC-GNX80.
Model Name Using Similar Mechanism HCD-GN880
CD CD Mechanism Type CDM74-F1BD81
Section Base Unit Name BU-F1BD81A
Optical Pick-up Name KSM-215DCP/C2NP
TAPE Model Name Using Similar Mechanism NEW
Section Tape Transport Mechanism Type CMAT5Z2
The following are measured at
AC 120, 220, 240 V, 50/60 Hz
DIN power output (rated) 180 + 180 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference)
225 + 225 watts
(6 ohms at 1 kHz, 10% THD)
Inputs
VIDEO/MD (AUDIO) IN (phono jacks):
voltage 250/450 mV,
impedance 47 kiloohms
TV (AUDIO) IN (phono jack): voltage 250 mV,
impedance 47 kiloohms
MIC (phone jack): sensitivity 1 mV,
impedance 10 kiloohms
Outputs
PHONES (stereo mini jack): accepts headphones of
8 ohms or more
FRONT SPEAKER: Use only the supplied speaker
• SS-GNX100
SURROUND SPEAKER: Use only the supplied speaker
• SS-RSX80
SUBWOOFER OUT: Use only the supplied subwoofer
• SS-WG80
Disc player section
System Compact disc and digital audio system
Laser Semiconductor laser (λ=780 nm)
Emission duration: continuous
Laser Output Max. 44.6 µW*
*This output is the value measured at a
distance of 200 mm from the objective
lens surface on the Optical Pick-up Block
with 7 mm aperture.
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Wave length 780 – 790 nm
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
OPTICAL CD DIGITAL OUT
(Square optical connector jack, rear panel)
Wave length 660 nm
Output Level –18 dBm
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TEL 13942296513 QQ 376315150 892498299
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2
HCD-GNX80
Notes on chip component replacement
•Never reuse a disconnected chip component.
•Notice that the minus side of a tantalum capacitor may be
damaged by heat.
Flexible Circuit Board Repairing
•Keep the temperature of 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.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
This appliance is classified as
a CLASS 1 LASER product.
This label is located on the rear
exterior.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE WITH
MARK 0ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
Tape deck section
Recording system 4-track 2-channel stereo
Frequency response 50 – 13,000 Hz (±3 dB),
using Sony TYPE I tape
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5 – 108.0 MHz
Antenna FM lead antenna
Antenna terminals 75 ohm unbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
North and Latin American models:
530 – 1,710 kHz
(with the interval set at 10 kHz)
531 – 1,710 kHz
(with the interval set at 9 kHz)
Other models: 531 – 1,602 kHz
(with the interval set at 9 kHz)
530 – 1,710 kHz
(with the interval set at 10 kHz)
Antenna AM loop antenna
Antenna terminals External antenna terminal
Intermediate frequency 450 kHz
General
Power requirements
Australian model: 230 – 240 V AC, 50/60 Hz
Other models: 120 V, 220 V or 230 – 240 V AC,
50/60 Hz
Adjustable with voltage selector
Power consumption 350 W
Dimensions (w/h/d) (Approx.) 280 x 360 x 398.5 mm
Mass (Approx.)
Supplied accessories: Remote Commander (1)
Batteries (2)
AM loop antenna (1)
FM lead antenna (1)
Front speaker pads (8)
Surround speaker pads (8)
Subwoofer pads (4)
Design and specifications are subject to change without notice.
Unleaded solder
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.)
: LEAD FREE MARK
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.
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TEL 13942296513 QQ 376315150 892498299
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3
HCD-GNX80
TABLE OF CONTENTS
1. SERVICING NOTES ................................................ 4
2. GENERAL
Location of Controls ........................................................ 5
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 7
3-2. Side Panel, Top Case ....................................................... 8
3-3. Loading Panel Assy ......................................................... 8
3-4. Front Panel Assy .............................................................. 9
3-5. Tuner Pack ....................................................................... 9
3-6. Tape Mechanism Deck, Mic Board ................................. 10
3-7. Panel Board, CD-SW Board ............................................ 10
3-8. CD Mechanism Deck ...................................................... 11
3-9. Back Panel ....................................................................... 11
3-10. Primary Board ................................................................. 12
3-11. Power AMP PC Board Assy, Main Board ....................... 12
3-12. Surround Board, PA Board .............................................. 13
3-13. Power Transformer (T1200) ............................................ 13
3-14. Driver Board, SW Board ................................................. 14
3-15. CD Board ......................................................................... 14
3-16. Sensor Board ................................................................... 15
3-17. Motor (TB) Board ........................................................... 15
3-18. Motor (LD) Board ........................................................... 16
4. TEST MODE .............................................................. 17
5. MECHANICAL ADJUSTMENTS ....................... 21
6. ELECTRICAL ADJUSTMENTS
Deck section .................................................................... 21
CD Section ...................................................................... 22
7. DIAGRAMS
7-1. Circuit Board Location .................................................... 26
7-2. Block Diagram – CD Section – ...................................... 27
7-3. Block Diagram – Tape Section – .................................... 28
7-4. Block Diagram – Main Section – ................................... 29
7-5. Block Diagram – AMP Section – ................................... 30
7-6. Block Diagram – Display Section – ............................... 31
7-7. Printed Wiring Board – CD Board – .............................. 32
7-8. Schematic Diagram – CD Board – ................................. 33
7-9. Printed Wiring Board – CD Mechanism Board –........... 34
7-10. Schematic Diagram – CD Mechanism Board – ............. 35
7-11. Printed Wiring Boards – Main Board – .......................... 36
7-12. Schematic Diagram – Main Board (1/3) – ..................... 37
7-13. Schematic Diagram – Main Board (2/3) – ..................... 38
7-14. Schematic Diagram – Main Board (3/3) – ..................... 39
7-15. Printed Wiring Boards – Panel Board – ......................... 40
7-16. Schematic Diagram – Panel Board – ............................... 41
7-17. Printed Wiring Board – CD-SW, Jog, Mic Boards – ...... 42
7-18. Schematic Diagram – CD-SW, Jog, Mic Board – .......... 43
7-19. Printed Wiring Board – PA Board – ............................... 44
7-20. Schematic Diagram – PA Board – .................................. 45
7-21. Printed Wiring Board – Surround Board – ..................... 46
7-22. Schematic Diagram –Surround Board – ......................... 47
7-23. Printed Wiring Board – Trans, Primary Boards – .......... 48
7-24. Schematic Diagram – Trans, Primary Boards – ............. 49
7-25. IC Pin Function Description ............................................ 52
8. EXPLODED VIEWS
8-1. Case (Top), Rear Panel Section ....................................... 58
8-2. Front Panel Section ......................................................... 59
8-3. Chassis Section ................................................................ 60
8-4. CD Mechanism Deck Section-1
(CDM74-F1BD81) .......................................................... 61
8-5. CD Mechanism Deck Section-2
(CDM74-F1BD81) .......................................................... 62
9. ELECTRICAL PARTS LIST ................................ 63
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TEL 13942296513 QQ 376315150 892498299
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4
HCD-GNX80
SECTION 1
SERVICING NOTES
NOTES ON HANDLINGTHE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repair parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission, observe
from more than 30 cm away from the objective lens.
LASER DIODE AND FOCUS SEARCH OPERATION CHECK
Carry out the “S curve check” in “CD section adjustment” and check
that the S curve waveform is output several times.
•MODEL IDENTIFICATION
– Back Panel –
MODEL PART No.
E2, E3 models 2-547-459-0[]
E51model 2-588-970-0[]
AUS model 2-588-969-0[]
•Abbreviation
E2 : 120 V AC Area in E model
E3 : 240 V AC Area in E model
E51 : Chilean and Peruvian model
AUS : Australian model
PA R T No.
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TEL 13942296513 QQ 376315150 892498299
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5
HCD-GNX80
SECTION 2
GENERAL This section is extracted
from instruction manual.
LOCATING THE CONTROLS
Main unit
ALBUM +/– ql
AMP MENU ed
AUTO/MANUAL
3)
2
CD el
CD SYNC qd
Deck A ea
Deck B ws
DIRECTION qk
DISC 1 ~ 3 7
Disc tray 9
DISPLAY rd
Display rf
ECHO LEVEL wf
ENTER wa
EQ BAND qa
EX-CHANGE/DISC SKIP 6
GROOVE eh
ILLUMINATION rs
IR Receptor r;
MASTER VOLUME 8
MIC 1 (jack) wj
MIC 2 (jack) wh
MIC LEVEL wg
MP3 BOOSTER q;
MPX
4)
qk
OPERATION DIAL wl
PHONES (jack) wk
Power illuminator wd
REC PAUSE/START qh
SOUND FLASH e;
SPEAKERS
3)
1
SURROUND
1)
rg
SURR SPEAKER MODE
2)
rg
TA PE A/B ej
Ta pe lid ws ea
TUNER/BAND ek
TUNING +/– qj
TV eg
VIDEO/MD ef
X-ROUND buttons
3)
3
WA VE/FADER/BALANCE/
RANDOM/TWISTER
X-ROUND JOG
3)
4
X-ROUND OFF
3)
1
?/1 (power) ra
ZOPEN/CLOSE 5
nN(play) qs
. > (go backward/forward) qj
m M (rewind/fast forward) ql
X(pause) qf
x(stop) qg
ZA (Eject A) es
BZ(Eject B) w;
1)
For MHC-GNX100/GNX66/
GNX60
2)
For MHC-GNX88/GNX80/
GNX77/GNX70/GX9900
3)
MHC-GNX100 only
4)
For MHC-GNX88/GNX77/
GNX66
List of button locations and reference pages
ALPHABETICAL ORDER
A – D
E – L
M – R
S – Z
SYMBOLS
Top Panel
Front Panel
4
657
12 3
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qj
qk
ql
w; wz
ws wd
rg
rd
ra
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ej
eg
wl
e;
ea
es ed
ef
eh
ek
r;
rs
rf 8
0
qa
qs qd
qf
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qh
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TEL 13942296513 QQ 376315150 892498299
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6
HCD-GNX80
This section is extracted
from instruction manual.
Remote control
ALBUM + qf
ALBUM – qh
CD wf
CLEAR qk
CLOCK/TIMER SELECT 2
CLOCK/TIMER SET 4
DISC SKIP qd
DISPLAY wh
ENTER qs
EQ qj
FM MODE 6
FUNCTION 8
PLAY MODE 5
REPEAT 6
SLEEP 1
TA PE wd
TUNER/BAND 7
TUNER MEMORY wg
TUNING MODE 5
VOLUME +/– qg
The + button has a tactile dot.*
?/1 (power) 3
x(stop) qa
X(pause) ql
N (play) w;
–.(go backward) ws
>+ (go forward) wa
m(rewind) q;
M(fast forward) 9
*Usethetactile dot as a reference
when operating the system.
ALPHABETICAL ORDER
A – E
F – Z
SYMBOLS
7
5
q;
qg
qh
qj
qk
w;
ws
wd
wg
wh
qf
qd
qs
qa
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wa
wf
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TEL 13942296513 QQ 376315150 892498299
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7
HCD-GNX80
SECTION 3
DISASSEMBLY
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
3-2.SIDE PANEL, TOP CASE
(Page 8)
3-3.LOADING PANEL ASSY
(Page 8)
3-4.FRONT PANEL ASSY
(Page 9)
3-5.TUNER PACK
(Page 9)
3-13.POWER TRANSFORMER
(T1200)
(Page 13)
3-11.POWER AMP PC BOARD ASSY,
MAIN BOARD
(Page 12)
3-8.CD MECHANISM DECK
(Page 11)
3-7.PANEL BOARD,
CD-SW BOARD
(Page 10)
3-6.TAPE MECHANISM DECK,
MIC BOARD
(Page 10)
3-14.DRIVER BOARD,
SW BOARD
(Page 14)
3-10.PRIMARY BOARD
(Page 12) 3-17.MOTOR (TB) BOARD
(Page 15)
3-18.MOTOR (LD) BOARD
(Page 16)
3-16.SENSOR BOARD
(Page 15)
3-12.SURROUND BOARD,
PA BOARD
(Page 13)
3-9.BACK PANEL
(Page 11)
3-15.CD BOARD
(Page 14)
SET
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TEL 13942296513 QQ 376315150 892498299
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8
HCD-GNX80
Note: Follow the disassembly procedure in the numerical order given.
3-2. SIDE PANEL, TOP CASE
3-3. LOADING PANEL ASSY
1
screw (case 3 TP2)
(3X8)
2
two screws
(case 3 TP2)
(3X12)
3
two screws
(+BVTP 3X10)
4
5
PANEL (SIDE-L)
6
screw
(case 3 TP2)
(3X8)
7
two screws
(case 3 TP2)
(3X12)
8
two screws
(+BVTP 3X10)
9
0
PANEL (SIDE-R)
qa
two screws
(+BVTP 3X10)
qs
qd
CASE (TOP)
CD mechanismdeck (CDM74-F1BD81)
1
Turn the pulley to the arrow direction.
Front side
Pulley
2
Pull out disc tray
3
4
loading panel assy
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TEL 13942296513 QQ 376315150 892498299
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9
HCD-GNX80
3-4. FRONT PANEL ASSY
3-5. TUNER PACK
1
two screws
(+BVTP 3X10)
2
two screws
(+BVTP 3X10)
3
screw
(+BVTP 3X10)
5
screw
(+BVTP 3X6)
4
screw
(+BVTP 3X10)
6
front panel assy
7
connector
(CN100)
8
CNP508
9
CNP509
q;
connector
(CN503)
lug
qa
connector
(CN1102)
qs
connector
(tape mechanism deck)
1
two screws
(+BVTP 3X6)
2
CNP1
3
tuner pack
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TEL 13942296513 QQ 376315150 892498299
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10
HCD-GNX80
3-6. TAPE MECHANISM DECK, MIC BOARD
3-7. PANEL BOARD, CD-SW BOARD
1
two screws
(+BVTP2.6 (3CR)
)
3
cover (TCM)
2
two screws
(+BVTP2.6 (3CR))
4
screw
(+BVTP2.6 (3CR))
5
tape mechanism deck
6
two screws
(+BVTP2.6 (3CR))
7
bracket (MIC)
9
MIC board
8
knob (MIC)
1
knob vol
2
knob (AMS)
3
three screws
(+BVTP2.6 (3CR))
4
two screws
(+BVTP2.6 (3CR))
5
two screws
(+BVTP2.6 (3CR))
6
two screws
(+BVTP2.6 (3CR))
7
three screws
(+BVTP2.6 (3CR))
8
connector
(CNS902)
0
PANEL board
qa
CD-SW board
9
claw
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TEL 13942296513 QQ 376315150 892498299
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11
HCD-GNX80
3-8. CD MECHANISM DECK
3-9. BACK PANEL
MAIN board
1
CD mechanism deck
3
connector
(CN701)
2
CNP505
1
connector
(CN1200)
2
connector
(CN1204)
3
four screws
(+BVTP 3X10
)
4
four screws
(+BVTP 3X10)
6
connector
(CN580)
5
back panel
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12
HCD-GNX80
3-10. PRIMARY BOARD
3-11. POWER AMP PC BOARD ASSY, MAIN BOARD
1
connector
(CN101)
2
connector
(CN201)
3
screw
(+BVTP 3X8)
4
PRIMARY board
1
connector
(CN1213)
2
connector
(CN1212)
8
connector
(CN105)
3
screw
(+BVTP 3X6)
4
two screws
(+BVTP 3X6)
5
screw
(+BVTP 3X6)
6
screw
(+BVTP 3X10)
7
power amp pc board assy
9
two screws
(+BVTP 3X10)
q;
screw
(+BVTP 3X10
)
qa
MAIN board
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TEL 13942296513 QQ 376315150 892498299
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13
HCD-GNX80
3-13. POWER TRANSFORMER (T1200)
3-12. SURROUND BOARD, PA BOARD
4
connector
(CN607)
1
two screws
(+BVTP 3X10
)
2
two screws
(transistor)
3
SURROUND board
5
two screws
(+BVTP 3X10)
6
holder
7
three screws
(+BVTP 3X10)
8
two screws
(transistor)
9
two screws
(+BVTP 3X10)
qa
screw
(+BVTP 3X10)
0
heat sink
qs
bracket
qd
PA board
1
connector
(CN1213)
2
connector
(CN1212)
3
two screws
4
two screws
5
power transfomer (T1200
)
TRANS board
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14
HCD-GNX80
3-14. DRIVER BOARD, SW BOARD
3-15. CD BOARD
3
connector (CN703)
4
DRIVER
board
6
SW board
2
wire (flat type) (CN702)
1
two
screws
(+BTTP (M2.6))
5
screw
(+BTTP (M2.6))
5
two
coil springs
(insulator)
9
two
coil springs
(insulator)
6
two
insulators
0
two
insulators
qs
s
crew (+BVTP 2.6x 8)
7
t
wo screws
(BVTT M2.6)
3
screw
(BVTT M2.6)
2
h
older (213) ASSY
8
t
wo stoppers (BU)
qd
Remove the four solderings of motor.
qf
CN101 (flat type)
qg
CD
board
qh
optical pick-up
(KSM-215DCP/C2NP)
1
floating
screw
(+PTPWH M2.6)
4
floating
screw
(+PTPWH M2.6)
qa
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TEL 13942296513 QQ 376315150 892498299
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15
HCD-GNX80
3-16. SENSOR BOARD
3-17. MOTOR (TB) BOARD
2
t
ray
3
b
elt (table)
5
p
ulley (table)
8
s
crew
(+BTTP (M2.6))
0
SENSOR board
7
g
ear (geneva)
9
connector
(
CN731)
1
floating
screw
(+PTPWH M2.6)
6
floating
screw
(+PTPWH M2.6)
4
floating
screw
(+PTPWH M2.6)
6
Remove the two solderings of motor.
8
MOTOR (TB) board
7
t
able motor assy (M741)
5
two
screws
(+BTTP (M2.6))
4
3
wire (flat type) 5 core (CN742)
1
stopper
2
stopper
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TEL 13942296513 QQ 376315150 892498299
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16
HCD-GNX80
3-18. MOTOR (LD) BOARD
4
Remove the two solderings of motor.
3
MOTOR (LD) board
1
b
elt (loading)
5
l
oading motor assy (M751)
2
two
screws
(+BTTP (M2.6))
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TEL 13942296513 QQ 376315150 892498299
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17
HCD-GNX80
[MC TEST MODE]
•This mode is used to check operations of the respective sections
of Amplifier, Tuner, and Tape.
Procedure:
* To enter MC Test Mode
1. Press xbutton, [ENTER] button and [DISC 3] button
simultaneously.
2. The CD ring indicators TAPE A and TAPE B indicators flash
on the fluorescent indicator tube. The function is changed to
VIDEO.
* Check of Amplifier
1. Press [EQ BAND] button repeatedly until a message “GEQ
MAX” appears on the fluorescent indicator tube. GEQ
increases to its maximum.
2. Press [EQ BAND] button repeatedly until a message “GEQ
MIN” appears on the fluorescent indicator tube. GEQ increases
to its minimum.
3. Press [EQ BAND] button repeatedly until a message “GEQ
FLAT” appears on the fluorescent indicator tube. GEQ set to
flat.
4. When the [VOLUME] knob is turned clockwise even slightly,
the sound volume increases to its maximum and a message
“VOLUME MAX” appears.
5. When the [VOLUME] knob is turned counter-clockwise even
slightly, the sound volume decreases to its minimum and a
message “VOLUME MIN” appears.
* Tape function
1. When a tape is inserted in Deck B and recording is started, the
function is changed to VIDEO automatically. When [CD SYNC]
button is pressed during recording in function, ALC (Automatic
Level Control) is turned on.
2. During recording, turn
M
m
knob to counter clockwise
rotation will change the function to TAPE B and rewind Tape
B until the recording start position and playback of Tape B is
started. If the [REC PAUSE/ START] button is pressed for a
pause and pressed again to resume recording during recording
time, when tape deck B is rewind, tape deck B will be rewind
until the position where the pause is applied.
* To release MC Test mode.
1. To release this mode, press ?/1 button.
2. The cold reset is enforced at the same time.
[COLD RESET]
•The cold reset clears all data including preset data stored in
the RAM to initial conditions. Execute this mode when
returning the set to the customer.
Procedure:
1. Press xbutton, [ENTER] button, and ?/1 button
simultaneously.
2. The fluorescent indicator tube becomes blank for a while, and
the set is reset.
[GC TEST MODE]
•This mode is used to check the fluorescent indicator tube,
LEDs, keys, VOLUME jog, OPERATION DIAL jog,AMS
jog, destination, software version and VACS level.
Procedure:
1. Press xbutton, [ENTER] button and [DISC 2] button
simultaneously.
2. All LEDs and segments in fluorescent indicator tube are lighted
up. All LEDs are lighted up in red color. If the system is turned
on, the I/O LED is lighted up in green color.
3. When you want to enter the software version display mode,
press [DISC 1] button. The model and destination are displayed.
4. Each time [DISC 1] button is pressed, the display changes from
MC version, GC version, CD version, CDDM version, CDMA
version, CDMB version, BDA version, BDB version, ST
version, TA version, TM version and TC version in this order,
and returns to the MC version display.
5. When [DISC 3] button is pressed while the version numbers
are being displayed except model and destination, the date of
the software creation appear. When [DISC 3] button is pressed
again, the display returns to the software version display. When
[DISC 1] button is pressed while the date of the software
creation is being displayed, the date of the software creation
is displayed in the same order of software version display.
6. Press [DISC 2] button, the key check mode is activated.
7. In the key check mode, the fluorescent indicator tube displays
“K 0 J0V0 X0”.
Each time a button is pressed, “K” value increases. However,
once a button has been pressed, it is no longer taken into
account.
“J” value increases in the manner of 0,1, 2, 3 ... if [OPERATION
DIAL] knob is turned clockwise, or it decreases in the manner
of 0, 9, 8, 7 ... if [OPERATION DIAL] knob is turned counter-
clockwise.
“V” value increases in the manner of 0,1, 2, 3 ... if [VOLUME]
knob is turned clockwise, or it decreases in the manner of 0,
9, 8, 7 ... if [VOLUME] knob is turned counter-clockwise.
“E” value increases in the manner of 0,1, 2, 3 ... if
>
.
knob is turned clockwise, or it decreases in the manner of 0,
9, 8, 7 ... if
>
.
knob is turned counter-clockwise.
8. When [DISC 3] button is pressed after all LEDs and segments
in fluorescent indicator tube light up, the fluorescent indicator
tube displays “VACS A+B APCC”. A is VACS level which is
trigger by signal level, B is VACS level which is trigger by
temperature and CC is VACS level which is trigger by
APVACS (Abuse Protection VACS).
The signal level, which will trigger VACS A is shown in the
center area.
9. When [EX-CHANGE/DISC SKIP] button is pressed after all
LEDs and segments in fluorescent indicator tube light up,
alternate segments in fluorescent indicator tube would light
up. If you press [EX-CHANGE/DISC SKIP] button again, another
half of alternate segments in fluorescent indicator tube would
light up. Pressing [EX-CHANGE/DISC SKIP] button again
would case all segments lights up.
10. To release this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
SECTION 4
TEST MODE
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18
HCD-GNX80
[VACS ON/OFF]
•This mode is used to switch ON and OFF the VACS (Variable
Attenuation Control System).
Procedure:
1. Press ?/1 button to turn the set ON.
2. Press xbutton and [ILLUMINATION]
button simultaneously.
The message “VACS OFF” or “VACS ON” appears.
[TUNER STEP CHANGE]
•The step interval of AM channels can be toggled between 9
kHz and 10 kHz.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Press [TUNER/BAND] button to select the “AM”.
3. Press ?/1 button to turn the set OFF.
4. Press [ENTER] button and ?/1 button simultaneously. The
system will turn ON automatically. The message “AM 9k
STEP” or AM 10k STEP” appears and thus the channel step
is changed.
[CD SERVICE MODE]
•This mode let you move the CD sled motor freely. Use this
mode when you want to clean the optical pick-up.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Select CD function.
3. Press x, [ENTER] button, and
Z
OPEN/CLOSE
button
simultaneously.
4. The CD service mode is activated. The message “SERVICE
MODE” appears.
5. With the CD in stop status, turn
M
m
knob to clockwise
rotation to move the optical pick-up to outside track, or turn
M
m
knob to counterclockwise rotation to move to
inside track. The message “SLED OUT” or “SLED IN”
appears.
6. To turn on or off the laser, press [DIRECTION] button. The
message “LASER ON” or “LASER OFF” appears on the
fluorescent indicator tube.
7. To release this mode, press ?/1 button.
[AGING MODE]
This mode can be used for operation check of CD section.
•If an error occurs, the aging operation would stops and the
status is displayed.
•If there are no error occurs, the aging operation would
continues repeatedly.
Procedure:
1. Press ?/1 button to turn the set ON
2. Select CD function.
3. Load three discs on the disc tray.
4. Press [PLAY MODE] button to select the “ALL DISCS” mode,
and press the [REPEAT] button to select “REPEAT OFF” mode.
5. Press x button, [ENTER] button, and [EX-CHANGE/DISC
SKIP] button simultaneously.
6. Aging operation is started.
7. To release this mode, press ?/1 button or disconnect the
power cord to turn the power OFF.
Aging mode sequence:
Start (from disc 1)
Disc chucking
TOC reading
Play first track for 2 seconds
Play last track for 2 seconds
EX-CHANGE open/close
Open the disc tray
Disc skip
Close the disk tray
Change the next disc
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TEL 13942296513 QQ 376315150 892498299
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19
HCD-GNX80
Display
M*$$%%&&##00
3) Display of no disc errors
D*: The number of mechanical error (“00” is latest one)
(Rotate
>
.
knob in the direction of either to display next
error)
$$: Error type
01: Focus error
02: GFS error
03: Setup error
%%: Not used
&&:
00: No disc judgment without chucking retry.
01: No disc judgment after chucking retry.
##: The state when judged as no disc
01: Stop
02: Setup
03: TOC reading
04: Access
05: Playback
06: Pause
07: Manual search (Play)
08: Manual search (Pause)
[CD REPEAT 5 LIMIT OFF MODE]
•The number of repeat for CD playback is 5 times when the
repeat mode is “REPEAT ALL”. This mode enables CD to
repeat playback for limitless times.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Select CD function.
3. Press xbutton, [CD] button and [DISC 1] button
simultaneously to enter the CD repeat 5 limit off mode and
the fluorescent indicator tube displays “LIMIT OFF”.
4. To release this mode, operate the cold reset. (Refer to the “MC
COLD RESET”)
[CD SHIP MODE (WITH MEMORY CLEAR)]
•This mode moves the optical pick-up to the position durable
to vibration and clears all data including preset data stored in
the RAM to initial conditions. Use this mode when returning
the set to the customer after repair.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Select CD function.
3. Press x
button,
[CD]
button and
?/1
button simultaneously.
The set will power off automatically.
4. After the “STANDBY” blinking display finish, a message
“LOCK” is displayed on the fluorescent indicator tube and
the CD ship mode is set.
Display
D*$$%%&&##00
• Display when an error occurred (CD Error Code Mode)
Procedure:
1. Press xbutton, [ENTER] button and [DISC 1] button
simultaneously to enter the error code display mode.
2. The fluorescent indicator tube displays the number of total
error.
3. Each time
M
m
knob is rotated, display change as
below.
Display of total error
>+
direction
–.
direction
Display of Mechanical errors
>+
direction
–.
direction
Display of no disc errors
4. To clear the error record, operate the cold reset. (Refer to the
“MC COLD RESET”)
5. To release this mode, press the ?/1 button or disconnect
the power plug to turn the power OFF.
1) Display of total error
EM**: The number of mechanical errors.
ED**: The number of no disc errors after chucking the disc.
2) Display of mechanical errors
M*: The number of mechanical error (“00” is latest one)
(Rotate
>
.
knob in the direction of either to display next
error)
$$: Not used
%%: Loading related error (Second figure is not used)
D: Stop by the problem other than mechanical problem while
closing.
E: Stop by the problem other than mechanical problem while
opening.
C: Stop by the problem other than mechanical problem while
chucking up.
F: Stop by the problem other than mechanical problem while
chucking down.
&&: Emerging error
01: Stop while chucking up.
02: Stop while chucking up.
03: Time-out of EX-CHANGE open.
05: Time-out of EX-CHANGE close.
##: Not used
Display
EM**ED**
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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20
HCD-GNX80
[CD TRAY LOCK MODE]
•This mode let you lock the disc trays. When this mode is
activated, the disc tray will not open when
ZOPEN/CLOSE
button or [EX-CHANGE/DISC SKIP] button is pressed. The
message “LOCKED” will be displayed in the will be displayed
on the fluorescent indicator tube.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Select CD function.
3. Press xbutton and
ZOPEN/CLOSE
button
simultaneously and hold down until “LOCKED” or
“UNLOCKED” displayed on the fluorescent indicator tube
(around 5 seconds).
[VIDEO/MD SWITCHING]
•This mode let you switch from VIDEO to MD and vice-versa.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Select VIDEO function.
3. Press [VIDEO/MD] button and ?/1 button simultaneously.
The function will change to MD. Press the same buttons again
to change from MD to VIDEO.
[REMOTE COMMANDER DISABLE MODE]
•This mode let you disable the remote commander reception.
When this mode is activated, the set will not response if the
button on the remote commander is pressed. The message
“RemoteDisable” will be displayed on the fluorescent indicator
tube. Use this mode during aging to avoid disturbance.
• Procedure:
1. Press xbutton, [GROOVE] button and [DISC 2] button
simultaneously.
“RemoteDisable” displayed on the fluorescent indicator
tube. To enable the remote commander reception, press the
same buttons again.
“RemoteEnable” displayed on the fluorescent indicator
tube.
[CD SHIP MODE (WITHOUT MEMORY CLEAR)]
•This mode moves the optical pick-up to the position durable
to vibration. Use this mode when returning the set to the
customer after repair.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Select CD function.
3. Press [CD] button and ?/1 button simultaneously. The set
will power off automatically.
4. After the “STANDBY” blinking display finish, a message
“LOCK” is displayed on the fluorescent indicator tube and
the CD ship mode is set.
[CD POWER MANAGE]
•This mode let you switch on or off power supply to the BU
during TUNER function.
• When CD POWER is set to OFF, the power supply to the BU
is cut off during TUNER function. It will increase the time
taken to access CD when function change from TUNER to
CD but it will improve tuner reception.
•When CD POWER is set to ON, the power supply to the BU
is not cut off during TUNER function. It will reduce the time
taken to access CD when function change from TUNER to
CD but it will decrease tuner reception performance.
Procedure:
1. Press ?/1 button to turn the set ON.
2. Select CD function.
3. Press ?/1 button to turn the set OFF.
4. Press xbutton and ?/1 button simultaneously. The set
will power on automatically.
5. The message “CD POWER ON” or “CD POWER OFF” will
be displayed on the fluorescent indicator tube.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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