Sony HCD-VZ0 User manual
1
HCD-VZ10
SERVICE MANUAL
HCD-VZ10 is the tuner, deck, CD and amplifier
section in MHC-VZ10.
SPECIFICATIONS
MINI Hi-Fi COMPONENT SYSTEM
— Continued on next page —
Model Name Using Similar Mechanism NEW
CD Mechanism Type CDM53F-K2BD37A
Base Unit Type BU-K2BD37A
Optical Pick-up Type KSM-213DAP
Model Name Using Similar Mechanism HCD-ZX10
Tape Transport Mechanism Type TCM-230AWR12
CD
SECTION
TAPE DECK
SECTION
E Model
Amplifier section
The following measured at AC 120/220/240 V,
50/60 Hz
DIN power output (rated) 160 + 160 W
(6 Ωat 1 kHz, DIN)
Continuous RMS power output (reference)
200 + 200 W
(6 Ωat 1 kHz,
10% THD)
Inputs
VIDEO (AUDIO) IN: voltage 250 mV,
(phono jacks) impedance 47 kΩ
MD IN: voltage 450 mV,
(phono jacks) impedance 47 kΩ
MIC 1/2: Sensitivity 1 mV,
(mini jack) impedance 10 kΩ
Outputs
MD OUT: voltage 250 mV
(phono jacks) impedance 1 kΩ
VIDEO OUT: max. output level
(phono jack) 1Vp-p, unbalanced,
Sync negative, load impedance
75 Ω
S-VIDEO OUT: Y: 1Vp-p, unbalanced,
(4-pin/mini-DIN jack) Sync negative,
C: 0.286Vp-p,
load impedance 75 Ω
PHONES: accepts headphones of
(stereo mini jack) 8 Ωor more
FRONT SPEAKER: accepts impedance of 6 to 16 Ω
SURROUND SPEAKER: accepts impedance of 16 Ω
SUPER WOOFER: Voltage 1 V, impedance 1 kΩ
VIDEO CD/CD player section
System Compact disc and digital audio
system
Laser Semiconductor laser
(λ=780nm)
Emission duration: continuous
Laser output Max. 44.6
µ
W*
*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.
Wavelength 780 – 790 nm
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Video color system format
NTSC, PAL
CD OPTICAL DIGITAL OUT
(Square optical connector jack, rear panel)
Wavelength 660 nm
Output Level –18 dBm
Tape player section
Recording system 4-track 2-channel stereo
Frequency response 40 – 13,000 Hz (±3 dB),
(DOLBY NR OFF) using Sony TYPE I cassette
40 – 14,000 Hz (±3 dB),
using Sony TYPE II cassette
Wow and flutter ±0.15% W.Peak (IEC)
0.1% W.RMS (NAB)
±0.2% W.Peak (DIN)
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5 –108.0 MHz (50 kHz step)
Antenna FM lead antenna
Antenna terminals 75 Ωunbalanced
Intermediate frequency 10.7 MHz
AM tuner section
Tuning range
Middle Eastern model: 531 –1,602 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
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
2007.05.12
QQ :376315150
手机:13942296513
2
This appliance is classified as a CLASS 1 LASER product. The
CLASS 1 LASER PRODUCT MARKING is located on the rear
exterior.
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
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.
NOTES ON HANDLING THE 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.
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.
General
Power requirements
Thai model: 220 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 240 W
Dimensions (w/h/d) Approx. 250 x 375 x 395 mm
Mass Approx. 13.0 kg
Supplied accessories: AM loop antenna (1)
FM lead antenna (1)
Remote Commander (1)
Batteries (2)
Video cable (1)
Speaker cords (4)
Front speaker pads (8)
Design and specifications are subject to change
without notice.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
3
MODEL IDENTIFICATION
— BACK PANEL —
TABLE OF CONTENTS
1. SERVICE NOTE ······························································· 4
2. GENERAL ·········································································· 5
3. DISASSEMBLY
3-1. Case ···················································································· 8
3-2. Front Panel Section ···························································· 8
3-3. Tape Mechanism Deck Section (TCM-230AWR12) and
MIC Board ·········································································· 9
3-4. Back Panel Section ····························································· 9
3-5. Main Board, Front AMP Board ········································ 10
3-6. CD Base Unit (BU-K2BD37A) ········································ 10
3-7. CD Mechanism Deck Section (CDM53F-K2BD37A) ····· 11
3-8. Fitting Base (Guide) Assy, Bracket (Chassis) and
Fitting Base (Magnet) Assy ·············································· 11
3-9. Tray (Sub) ········································································· 12
3-10. Chassis (Mold B) Section, Stocker Section and
Slider (Selection) ······························································ 12
3-11. Gears Installation ······························································ 13
3-12. Slider (Selection) Installation ··········································· 13
3-13. Stocker Section Installation ·············································· 14
3-14. Chassis (Mold B) Section Installation ······························ 14
4. TEST MODE ···································································· 15
5. MECHANICAL ADJUSTMENTS ····························· 20
6. ELECTRICAL ADJUSTMENTS ······························· 20
7. DIAGRAMS
7-1. Circuit Board Location ····················································· 25
7-2. Block Diagrams ································································ 28
7-3. Printed Wiring Board –BD Section – ······························ 32
7-4. Schematic Diagram –BD Section – ································· 33
7-5. Printed Wiring Board –Video Section – ·························· 34
7-6. Schematic Diagram –Video Section (1/3) – ···················· 35
7-7. Schematic Diagram –Video Section (2/3) – ···················· 36
7-8. Schematic Diagram –Video Section (3/3) – ···················· 37
7-9. Printed Wiring Board –Deck Section – ··························· 38
7-10. Schematic Diagram –Deck Section – ······························ 39
7-11. Printed Wiring Board –Main Section – ··························· 40
7-12. Schematic Diagram –Main (1/3) Section – ····················· 41
7-13. Schematic Diagram –Main (2/3) Section – ····················· 42
7-14. Schematic Diagram –Main (3/3) Section – ····················· 43
7-15. Printed Wiring Board –AMP Section – ··························· 44
7-16. Schematic Diagram –AMP Section – ······························ 45
7-17. Printed Wiring Board –Panel Section – ··························· 46
7-18. Schematic Diagram –Panel Section – ····························· 47
7-19. Printed Wiring Board –Switch Section – ······················· 48
7-20. Schematic Diagram –Switch Section – ··························· 49
7-21. Printed Wiring Board –CD Mechanism Section – ·········· 50
7-22. Schematic Diagram –CD Mechanism Section – ············· 51
7-23. Printed Wiring Board –Power Supply Section – ············· 52
7-24. Schematic Diagram –Power Supply Section – ················ 53
7-25. Printed Wiring Board –MIC Section – ···························· 54
7-26. Schematic Diagram –MIC Section – ······························· 54
7-27. Printed Wiring Board –Leaf SW Section – ····················· 55
7-28. Schematic Diagram –Leaf SW Section – ························ 55
7-29. IC Block Diagrams ··························································· 56
7-30. IC Pin Descriptions ·························································· 58
8. EXPLODED VIEWS
8-1. Back Panel Section ··························································· 69
8-2. Front Panel Section ·························································· 70
8-3. Chassis Section ································································· 71
8-4. CD Mechanism Deck Section-1 (CDM53F-K2BD37A) ·· 72
8-5. CD Mechanism Deck Section-2 (CDM53F-K2BD37A) ·· 73
8-6. Base Unit Section (BU-K2BD37A) ································· 74
8-7. Tape Mechanism Deck Section (TCM-230AWR12) ········ 75
9. ELECTRICAL PARTS LIST ······································· 76
•Abbreviation
SP : Singapore model
MY : Malaysia model
HK : Hong Kong model
TH : Thai model
EA : Saudi Arabia model
MODEL
SP, MY models
HK model
TH model
EA model
PARTS No.
4-226-747-3s
4-226-747-4s
4-226-747-5s
4-226-747-6s
Parts No.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
4
SECTION 1
SERVICE NOTE
SELF-DIAGNOSIS
This model has the self-diagnosis function for the VIDEO and AUDIO decoder sections.
Connecting to the LED between TP522 and TP523 on the VIDEO BOARD.
Immediately after the power on, the self-diagnosis function searches each operation of IC’s around the mechanism control microcomputer
(IC701). and TP5
The results can be checked by LED of the VIDEO board.
Oscilloscope (Waveform) Symptom
No error
MPEG decoder (IC505)
error
MPEG decoder (IC505)
or
DRAM (IC507) error
[VIDEO BOARD] (SIDE A)
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2 time blinkin
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TP523 TP522
LED
IC505
100 91
33 64
90
65
1
32
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
5
SECTION 2
GENERAL
1?/1 button and indicator
2TAPE A hbutton and indicator
3TAPE A Hbutton and indicator
4TAPE B hbutton and indicator
5TAPE B Hbutton and indicator
6xbutton
7CD indicator
8SOUND MODE indicator
9SET UP MODE indicator
q; CINEMA SPACE button and indicator
qa V-GROOVE button and indicator
qs MODE SELECT button
qd PUSH ENTER button/Multi stick
qf TUNER/BAND button
qg ubutton
qh VOLUME knob
qj Z1 to Z5 buttons
qk DISC 1 to DISC 5 buttons
ql PHONES jack
w; PREVIOUS button
wa NEXT button
ws RETURN button
wd SELECT button
wf FUNCTION button
wg DISPLAY button
wh TIMER SELECT indicator
wj .button
wk >button
wl mbutton
e; Mbutton
ea GROOVE EX button
es GROOVE button
ed TAPE B Zbutton
ef DISC 1 to DISC 5 indicator
eg MIC 2 jack
eh MIC 1 jack
ej MIC VOL knob
ek ECHO VOL knob
el TAPE A Zbutton
r; REC PAUSE/START button
ra HI-DUB button
rs CD SYNC button
12 wj wk wl e;3 45 6 789
rs
r;
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eh
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ek
ra
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ql
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
6
This section is extracted from
instruction manual.
7
Getting Started
Using the remote
You can use the shaded buttons shown below to
operate a Sony TV.
To
Turn the TV on or off
Switch the TV’s
video input
Change the TV
channels
Adjusts the volume
of the TV speaker(s)
Tip
With normal use, the batteries should last for about
six months. When the remote no longer operates the
system, replace both batteries with new ones.
Note
If you do not use the remote for a long period of time,
remove the batteries to avoid possible damage from
battery leakage.
When carrying this system
Do the following to protect the CD mechanism.
Make sure that all discs are removed from the
unit.
1Press FUNCTION repeatedly until “CD”
appears in the display.
2Hold down V-GROOVE and press ?/1 so that
“LOCK” appears in the display.
Step 2: Setting the time
You must set the time before using the timer
functions.
The clock is on a 12-hour system.
?/1
(Power) 12,3,4,5,6
Press
TV ?/1.
TV/VIDEO.
TV CH +/–.
TV VOL +/–.
continued
TV
TV VOL +/
TV CH +/
TV/VIDEO
1
Press MODE SELECT when the system
is turned off.
“Clock Set ?” appears.
2
Press PUSH ENTER.
The hour indication flashes.
8
3Move the multi stick toward vor V
repeatedly to set the hour.
4Move the multi stick toward B.
The minute indication flashes.
5Move the multi stick toward vor V
repeatedly to set the minute.
6Press PUSH ENTER.
To cancel the menu operation
Press MODE SELECT.
Tips
•Refer to the illustration to use the multi stick. Place
your finger on the center of the multi stick and
move in the direction you want (up/down or left/
right shown v/V or b/B in this manual).
•If you’ve made a mistake, start over from step 1.
To change the time
The previous explanation shows you how to set
the time while the power is off. To change the
time while the power is on, do the following:
1Press MODE SELECT repeatedly to select “Set
Up Mode”, then press PUSH ENTER.
2Move the multi stick toward bor Brepeatedly
to select “Timer Set Up ?”, then press PUSH
ENTER.
3Move the multi stick toward bor Brepeatedly
to select “Clock Set ?”, then press PUSH
ENTER.
4Perform steps 3 through 6 on the left.
Note
The clock settings are canceled when you disconnect
the power cord or if a power failure occurs.
Up (v)
Right (B)
Left (b)
Down (V)
Step 2: Setting the time
(continued)
PUSH
ENTER
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
7
Sony Corporation Printed in Malaysia
•To cancel the menu
operation, press MODE
SELECT.
•The items with asterisk (*)
cannot be selected depending on
the situation.
•The items in double box are not
in the menu. In order to select the
doublebox items, press the
corresponding buttons on the
front panel or on the remote.
•Select “Mode End”to finish the
menu operation.
1)
Cannot be selected during CD
playback.
2)
Cannot be selected during CD
program playback.
Items in “Sound Mode” and “Set Up Mode”
The numbers in parenthesis denotes the page number for the item.
Sound Mode
File Select (47)
P File Memory (51)
Equalizer Control (50)
Cinema Space (49)
Mode End
Set Up Mode
CD Set Up ?
TUNER Set Up ?
TAPE Set Up ?
Timer Set Up ?
Mode End
Display Set Up ?
Repeat Set Up ? (35)
CD Edit Start ? (44)
Program Set ? (37, 41)
Mode End
Play Mode Set Up ? (12, 14)
TUNER Memory ? (9)
TUNER Erase ? (10)
Mode End
Direction Set Up ? (15, 18, 20, 22, 40, 42)
Mode End
DOLBY NR Set Up ? (16, 19, 21, 41, 43)
Mode End
Dimmer Set Up ? (48)
Spectrum Set Up ? (48)
Clock Set ? (7)
Mode End
Timer Select ? (55, 57)
Timer Set ? (54, 56)
*
*
*
*
*
*
*
*
*
*
*
Effect OnpOff/OffpOn (47)
PGM Check Clear (39, 43)
Picture Effect (34)
Stereo Mono ? (17)
1)
2)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
8
3-1. CASE
3-2. FRONT PANEL SECTION
Note : Follow the disassembly procedure in the numerical order given.
1three screws
(BVTT 3 ×8)
2two screws
(BVTT 3 ×8)
3three screws
(case 3 TP2)
4three screws
(case 3 TP2)
5Remove the case
in the arrow direction.
1flat type wire (15core)
(CN601)
8front panel section
2flat type wire (17core)
(CN001)
3flat type wire (11core)
(CN503)
4connector
(CN1691)
6connector
(CN103)
5connecto
r
(CN914)
7three screws
(BVTT 3 ×6)
SECTION 3
DISASSEMBLY
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9
3-3. TAPE MECHANISM DECK SECTION (TCM-230AWR12)
AND MIC BOARD
3-4. BACK PANEL SECTION
1two screws
(BVTP 3 ×8)
2two screws
(BVTP 3 ×8)
5two screws
(BVTP 2.6 ×8)
7two screws
(BVTP 2.6 ×8)
9MIC board
8
6
4two knobs (MIC)
3tape mechanism deck section
(TCM-230AWR12)
2screw
(BVTP 3 ×8)
3two screws
(BVTP 3 ×8)
6screw
(BVTP 3 ×8)
4five screws
(BVTP 3 ×8)
5four screws
(BVTP 3 ×8)
7three screws
(BVTP 3 ×8)
9three screws
(BVTP 3 ×8)
8two screws
(BVTP 3 ×8)
qa connector
(CN941)
claws
1flat type wire (13core)
(CN502)
0Remove the back panel sectio
n
in the arrow direction.
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10
3-5. MAIN BOARD, FRONT AMP BOARD
3-6. CD BASE UNIT
(BU-K2BD37A)
1connector
(CN713)
7connector
(CN913)
8connector
(CN801)
5two connectors
(CN803, CN804)
6MAIN board
2flat type wire (17core)
(CN522)
3flat type wire (13core
)
(CN523)
4two screws
(BVTP 3 ×8)
9two screws
(BVTP 3 ×16)
0two screws
(BVTP 3 ×8)
qs two screws
(BVTP 3 ×8) qa heat sink
qd Remove the FRONT AMP board
in the arrow direction.
1three screws
(BVTP 3 ×6)
3two screws
(PTPWH M 2.6)
5two screws
(PTPWH M 2.6
)
4spring (insulator),
compression 6spring (insulator),
compression
7CD base unit
(BU-K2BD37A)
2chassis
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TEL 13942296513 QQ 376315150 892498299
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11
3-7. CD MECHANISM DECK SECTION
(CDM53F-K2BD37A)
3-8. FITTING BASE (GUIDE) ASSY, BRACKET (CHASSIS) AND
FITTING BASE (MAGNET) ASSY
1three screws
(BVTT 3 ×6)
5CD mechanism deck sectio
n
(CDM53F-K2BD37A)
2two screws
(BVTT 3 ×6)
4four screws
(sumitite (B3), +BV)
3chassis, sub
qs four screws
(BVTP M2.6)
7four screws
(BVTP M2.6)
0bracket
(chassis)
9five screws
(BVTP M2.6) qa connector
(CN710)
1connector
(CN501)
6two connectors
(CN709, 715)
qd base (magnet) assy, fitting
8base
(guide) assy, fitting
2screw
(BVTP 3 ×8)
4screw
(BVTP
3 ×8)
3VIDEO board
5bracket (VCD)
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TEL 13942296513 QQ 376315150 892498299
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12
3-9. TRAY (SUB)
3-10. CHASSIS (MOLD B) SECTION, STOCKER SECTION AND
SLIDER (SELECTION)
Note : In mounting the parts, refer to page 12 and 13.
pulley (LD)
stocker
section
tray (sub)
pulley (mode)
slider (selection)
1Rotating the pulley (LD), shift the slider (selection) in the arrow Adirection.
2Rotating the pulley (mode) in the arrow direction, adjust the tray (sub) to be removed.
3Rotating the pulley (LD), shift the slider (selection) in the arrow Bdirection.
4Rotating the pulley (mode) in the arrow direction, remove the tray (sub) to be removed.
A
B
5stocker
section
4two step
screws
4two step screws 3gear (eject)
2chassis (mold B) section
Note: Rotating the pulley (LD),
shift the slider (selection
)
to the left.
9compression
spring
7slider (selection)
8washer
6two screws
(PTPWH M2.6)
1three screws
(BVTP M2.6)
pulley (LD)
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TEL 13942296513 QQ 376315150 892498299
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13
3-11. GEARS INSTALLATION
3-12. SLIDER (SELECTION) INSTALLATION
1Slide the slider (U/D)
fully in the arrow
direction.
3gear (gear B)
2gear (U/D slider)
4gear (gear A)
Adjust the gear (gear B) with the
portion A as shown.
Adjust the gear so that it meshes with
the bottom tooth of slider (U/D)gear,
as shown.
portion A
slider (U/D) gear linearly
gear
(gear B)
Adjust so as to be aligned with
gear (B) linearly,as shown.
portion A
2gear (chuking)
6two screws
(PTPWH M2.6)
5washer
3convex portion of
slider (selection)
4compression spring
7Insert the slider (selection)
into the portion A.
1rotary encoder
rotary encoder
Align with the slot of
rotary encoder.
align marking
gear (chuking)
Insert a convex portion into
a groove of gear (chuking).
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TEL 13942296513 QQ 376315150 892498299
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14
3-13. STOCKER SECTION INSTALLATION
3-14. CHASSIS (MOLD B) SECTION INSTALLATION
2portion A of tray (sub)
1stocker section
3two step screws
3two step screws
Hook the portion A of tray (sub)
to the slider (selection).
potion A
of tray (sub) sticking of
slider (selection)
3three screws
(BVTP M2.6)
2Insert the gear (eject)
under the gear (LD
deceleration).
1Insert the portion A of
chassis (mold B) sectio
n
into the portion B of
slider (selection).
gear (LD deceleration)
portion A
portion B of
slider (selection)
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TEL 13942296513 QQ 376315150 892498299
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15
SECTION 4
TEST MODE
[MC 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 three buttons x, DISPLAY , and DISC 5 simultaneously.
2. The fluorescent indicator tube displays “COLD RESET” and
the set is reset.
[CD Ship Mode]
• This mode moves the pickup to the position durable to vibra-
tion. Use this mode when returning the set to the customer after
repair.
Procedure:
1. Press ?/1button to turn the set ON.
2. Press V-GROOVE button and ?/1button simultaneously.
3. After the "STANDBY" display blinks six times, a message
“LOCK” is displayed on the fluorescent indicator tube, and the
CD ship mode is set.
[MC Hot Reset]
• This mode resets the set with the preset data kept stored in the
memory. The hot reset mode functions same as if the power
cord is plugged in and out.
Procedure:
1. Press three buttons x, DISPLAY , and DISC 1 simultaneously.
2. The fluorescent indicator tube becomes blank instantaneously,
and the set is reset.
[CD Service Mode]
• This mode can run the CD sled motor freely. Use this mode, for
instance, when cleaning the pickup.
Procedure:
1. Press ?/1button to turn the set ON.
2. Select the function “CD”.
3. Press three buttons x, DISPLAY , and Z3 simultaneously.
4. The CD service mode is selected.
5. With the CD in stop status, turn the shuttle knob clockwise to
move the pickup to outside track, or turn the shuttle knob
counter-clockwise to inside track.
6. To exit from this mode, perform as follows:
1) Move the pickup to the most inside track.
2) Press three buttons in the same manner as step 2.
Note: • Always move the pickup to most inside track when exiting from
this mode. Otherwise, a disc will not be unloaded.
• Do not run the sled motor excessively, otherwise the gear can be
chipped.
[VACS ON/OFF Mode]
• This mode is used to switch ON and OFF the VACS (Variable
Attenuation Control System).
Procedure:
Press the PUSH ENTER and xbuttons simultaneously. The
message “VACS OFF” or “VACS ON” appears.
[Change-over of MW Tuner Step between 9 kHz and
10 kHz]
• A step of MW channels can be changed over between 9 kHz
and 10 kHz.
Procedure:
1. Press ?/1button to turn the set ON.
2. Select the function “TUNER”, and press TUNER/BAND
button to select the BAND “MW”.
3. Press ?/1button to turn the set OFF.
4. Press MODE SELECT and ?/1buttons simultaneously, and
the display of fluorescent indicator tube changes to “MW 9 k
STEP” or “MW 10 k STEP”, and thus the channel step is
changed over.
[GC Test Mode]
• This mode is used to check the software version, FL tube, LED,
keyboard and VACS.
Procedure:
1. Press three buttons x, DISPLAY , and DISC 2 simultaneously.
2. LEDs and fluorescent indicator tube are all turned on.
3. When you want to enter the software version display mode,
press DISC 1 . The model number and destination are displayed.
4. Each time DISC 1 is pressed, the display changes starting
from MC version, GC version, VC version, CD version, CDM
version, ST version, TC version, TA version, TM version and
BR version in this order, and returns to the model number and
destination display.
5. When DISC 3 is pressed while the version numbers are being
displayed except model number and destination, year, month
and day of the software creation appear. When DISC 3 is
pressed again, the display returns to the software version display.
When DISC 1 is pressed while year, month and day of the
software creation are being displayed, the year, month and day
of creation of the software versions are displayed in the same
order of version display.
6. Press DISC 2 button, and the key check mode is activated.
7. In the key check mode, the fluorescent indicator tube displays
“K 0VO 0 STICK N”. Each time a button is pressed, “K 0”
value increases. However, once a button is pressed, it is no longer
taken into account.
“VO 0” value increases like 1, 2, 3 ... if rotating VOLUME
knob in “+” direction, or it decreases like 0, 9, 8 ... if rotating in
“–” direction.
Moving the stick changes the “STICK N” display.
When moved up : “STICK R”
When moved down : “STICK r”
When moved to the left : “STICK T”
When moved to the right : “STICK t”
8. Also when DISC 3 is pressed after lighting of all LEDs and FL
tubes, value of VACS appears.
9. To exit from this mode, press three buttons in the same manner
as step 1, or disconnect the power cord.
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TEL 13942296513 QQ 376315150 892498299
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16
[MC Test Mode]
• This mode is used to check operations of the respective sections
of Amplifier, Tuner, CD and Tape.
Procedure:
1. Press the ?/1button to turn on the set.
2. Press the three buttons of x, DISPLAY and DISC 3
simultaneously.
3. A message “TEST MODE” appears on the FL display tube.
4 When f(STIC UP) button is pressed, GEQ increases to its
maximum and a message “GEQ MAX” appears.
5. When F(STIC DOWN) button is pressed, GEQ decreases to
its minimum and a message “GEQ MIN” appears.
6. When g(STIC LEFT) or G(STIC RIGHT) button is pressed,
GEQ is set to flat and a message “GEQ FLAT” appears.
7. When the VOLUME control knob is turned clockwise even
slightly, the sound volume increases to its maximum and a
message “VOLUME MAX” appears for two seconds, then the
display returns to the original display.
8. When the VOLUME control knob is turned counter-clockwise
even slightly, the sound volume decreases to its minimum and
a message “VOLUME MIN” appears for two seconds, then
the display returns to the original display.
9. In the test mode, the default-preset channel is called even when
the TUNER is selected and an attempt is made to call the preset
channel that has been stored in memory, by operating the Shuttle
knob. (It means that the memory is cleared.)
10. When CD is selected and press MODE SELECT , and press
PUSH ENTER when “Set up Mode” is displayed.
Press PUSH ENTER when “CD Set up?” is displayed.
Move the stick left and right to display “CD Edit Start?”, and
press PUSH ENTER , the disc that is being chucked at this
moment becomes the default setting. It means that the default
disc only is accessed when any other discs are selected even
though the display indication changes accordingly. At the same
time, the Z 1 to Z 5 cannot be accepted. (It means that the
tray motor and the turntable motor are disabled of their
operation.)
11. When a tape is inserted in Deck B and recording is started, the
input source function selects VIDEO automatically.
12. When xbutton is pressed to stop recording, the Tape (Deck)
B is selected and tape is rewound using the jbutton, tape
is rewound, tape is stops at around the record-starting position
and playback of the recorded portion of the tape is started. If
PAUSE is inserted even once during recording, tape is rewound
to the position around the PAUSE position and is played back.
13. When the HI-DUB Button is press during playback of Deck
B, either normal speed or high speed can be selected by this
button.
14. Select the desired loop by pressing MODE SELECT , and
press PUSH ENTER when “Set up Mode” is displayed.
Press PUSH ENTER when “CD Set up?” is displayed.
Move the stick left and right to display “Tape Set Up?”, and
press PUSH ENTER .
Press PUSH ENTER when “Direction Set Up?” is displayed.
Move the stick left and right to display “Cycle?”, and press
PUSH ENTER .
Insert a test tape AMS-110A or AMS-RO to Deck A.
15. Press the CD SYNC button to enter the AMS test mode.
16. After a tape is rewound first, the FF AMS is checked, and the
mechanism is shut off after detecting the AMS signal twice.
17. Then the REW AMS is checked and the mechanism is shut off
after detecting the AMS signal twice.
18. When the check is complete, a message of either OK or NG
appears.
19. When you want to exit this mode, press the ?/1button twice.
The cold reset is enforced at the same time.
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17
[Aging Mode]
This mode can be used for operation check of CD section and tape deck section.
• If an error occurred:
The aging operation stops and display status.
• If no error occurs:
The aging operation continues repeatedly.
1. Operating method of Aging Mode
Turn on the main power and select “CD” of the function.
1) Set a disc in DISC1 tray. Select ALL DISC CONTINUE, and REPEAT OFF.
2) Load the tapes recording use into the decks A and B respectively.
3) Press three buttons x, DISPLAY , and DISC 4 simultaneously.
4) Aging operations of CD and tape are started at the same time.
• Tape Deck
1. The tape in deck A is rewound. “TAPE A AG-1” is displayed.
2. The FWD side of deck A is played for two minutes.
“TAPE A AG-2” is displayed.
3. The tape in deck A is fast forwarded. “TAPE A AG-3” is displayed. Fast forward is carried out for 20 seconds or to the tape end.
4. The RVS side of deck A is played for two minutes.
“TAPE A AG-4” is displayed.
5. The tape in deck A is rewound. “TAPE A AG-5” is displayed.
6. The FWD side of deck B is played for two minutes.
“TAPE B AG-2” is displayed.
7. The tape in deck B is fast forwarded. “TAPE B AG-3” is displayed. Fast forward is carried out for 20 seconds or to the tape end.
8. The RVS side of deck B is played for two minutes.
“TAPE B AG-4” is displayed.
9. The tape in deck A is rewound. “TAPE A AG-5” is displayed.
10. Repeated from step 2.
• CD
1. The tray rotates.
2. DISC 5 is chucked.
3. The TOC is read.
4. The first track is played for 3 seconds.
5. The last track is played for 3 seconds.
6. DISC 1 is open.
7. DISC 1 is close.
8. Repeated from step 2.
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TEL 13942296513 QQ 376315150 892498299
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18
2. Correction of Errors
[When due to tape deck]
Stopped while tape aging operation with the “ ” displayed state.
[When due to CD]
Press x, DISPLAY , and Ztogether to display the error code.
• Display of number of mechanism errors
Move the stick to the left and right to display “CDM Err Count *”.
* is the number of mechanism errors.
• Display of mechanism error
Move the stick to the left and right to display “CDM E**D##$$%%!!”.
Move the stick up and down to send the error number.
** : Error number 00 is the latest error.
The larger the number, the older will the error be. (Maximum 9)
## : FF is the mechanism error after mechanism initialization ends.
$$ : Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 1 or 2, it indicates mechanism error in tray loading between the stocker position and behind it.
%% : Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 2, it indicates mechanism error in the up/down movements of the stocker.
!! : Judge from the first digit of the error number. (Don’t care the second digit.)
When the error number is 2, it indicates mechanism error during switching of the clamper and mode.
• No DISC error display
Move the stick left and right to display “No Disc Count *”.
* means the number of no discs.
• No DISC error display
Move the stick left and right to display “No E**D##$$%%00”.
Move the stick up and down to send the error number.
** : Error number 01 is the latest error.
The larger the number, the older will the error be. (Maximum 3)
## : 01 .... FOCUS ERROR
02 .... GFS ERROR
03 .... SET UP ERROR
$$ : 00 .... Judged as No DISC without attempting chucking retry
02 .... Judged as No DISC after chucking retry
%% : Judged with the first digit of the error number in the state where No DISC has been determined.
(Don’t care the second digit.)
1 ...... STOP
2 ...... SET UP
3 ...... TOC Read
4 ...... Access
5 ...... PLAY
6 ...... PAUSE
7 ...... Manual Search (during PLAY)
8 ...... Manual Search (during PAUSE)
3. Ending the Aging Mode
1) End the Aging Mode with the power off.
2) To reset the CD error history, be sure to perform cold reset.
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TEL 13942296513 QQ 376315150 892498299
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19
VIDEO CD COLOR-BARS MODE
On this mode, the data of the color-bars signal as a picture signal and the 1kHz sine wave signal as a sound signal are output by the
mechanism control microcomputer (IC502) for video CD signal check. When measurement of the voltage and waveform on the VIDEO
board, perform it in this mode.
For reference, the color-bars signal can be observed at J302 (VIDEO OUT) and the sound signal can be observed at J101 (VIDEO/MD
(AUDIO) OUT) using an oscilloscope.
1. Connect the lead wire to both ends of the land of SL503 of the VIDEO board.
2. Press the ?/1button to turn ON the power. Press FUNCTION button to select CD.
3. After 2 or 3 seconds later, connect the lead wire.
4. After measuring, remove the lead wire connected.
[VIDEO BOARD] (SIDE A)
[VIDEO BOARD] (SIDE B)
SL501 SL502
IC507
IC505
CT503
SL503
TEST MODE
VIDEO
FREQUENCY
SL501
IC502
SL502
SL503
TEST
MODE
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
20
3.04 – 6.96 N • m
(31 to 71 g • cm)
(0.43 – 0.98 oz • inch)
0.20 – 0.58 N • m
(2 to 6 g • cm)
(0.02 – 0.08 oz • inch)
3.04 – 6.96 N • m
(31 to 71 g • cm)
(0.43 – 0.98 oz • inch)
0.20 – 0.58 N • m
(2 to 6 g • cm)
(0.02 – 0.08 oz • inch)
6.97 – 14.02 N • m
(71 to 143 g • cm)
(0.98 – 1.99 oz • inch)
0.98 N • m or more
(100 g or more)
(3.53 oz or more)
0.98 N • m or more
(100 g or more)
(3.53 oz or more)
CQ-102C
CQ-102C
CQ-102RC
CQ-102RC
CQ-201B
CQ-403A
CQ-403R
Precaution
1. Clean the following parts with a denatured alcohol-moistened
swab:
record/playback heads pinch rollers
erase head rubber belts
capstan idlers
2. Demagnetize the record/playback head with a head demagne-
tizer.
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the rated power sup-
ply voltage unless otherwise noted.
Torque Measurement
Record/Playback Head Azimuth Adjustment
(Deck A, Deck B)
Note: Perform this adjustments for both decks.
Procedure:
1. Mode : Playback
Signal Used forTape
SECTION 5
MECHANICAL ADJUSTMENTS
Mode
FWD
FWD
back tension
REV
REV
back tension
FF/REW
FWD tension
REV tension
Torque meter Meter reading
SECTION 6
ELECTRICAL ADJUSTMENTS
DECK SECTION 0 dB=0.775V
1. Demagnetize the record/playback head with a head demagnetizer.
2. Do not use a magnetized screwdriver for the adjustments.
3. After the adjustments, apply suitable locking compound to the
parts adjusted.
4. The adjustments should be performed with the rated power sup-
ply voltage unless otherwise noted.
5. The adjustments should be performed in the order given in this
service manual. (As a general rule, playback circuit adjustment
should be completed before performing recording circuit adjust-
ment.)
6. The adjustments should be performed for both L-CH and R-CH.
7. Switches and controls should be set as follows unless otherwise
specified.
P-4-A100
WS-48B
P-4-L300
10 kHz, –10 dB
3 kHz, 0 dB
315 Hz, 0 dB
Azimuth Adjustment
Tape Speed Adjustment
Level Adjustment
2. Turn the adjustment screw and check output peaks. If the peaks
do not match for L-CH and R-CH, turn the adjustment screw so
that outputs match within 1 dB of peak.
test tape
P-4-A100
(10kHz, –10dB) main board
CN301
Pin 1(R-ch)
Pin 3(L-ch)
level meter
set +
–
L-CH
peak
R-CH
peak
screw
position
output
level within
1 dB
L-CH
peak
R-CH
peak
screw
position
within 1dB
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
Table of contents
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