JVC TD-V711 User manual

TD-V711 A/B/C/E/G/J/
_ SERVICE MANUAL
Contents
Page Page
[1] Safety Precautions ....0..0.ccccccccceeseseteerreee 2 [10] Location of P.C. Board Parts and Parts List
Specifications ........c0.ccccccceeeeee ap edi aks ateeas 3 Main: Bat ect 22 ccc ace steric bacesecamselelaesteiateans 16
[3] Location of Main Parts ....... iezivdead ¢ visas oeseh Cente vase 4 Power Supply/Mechanism Control ...............5.. 20
[4] Location of Control ......... saaggetagas eee ES [14] Exploded View of Mechanism Assembly Parts
Removal of Main Parts ............... wiedcghs pee wu and: Parts: Listisi So. sfeccuectsycudidda ee Sui Sh oe ts 22
[6]
ACJUStMENt
20...
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ew
[12]
Exploded
View
of
Enclosure
Assembly
Parts
[7] Block Diagram ......ccccccccccccccssecesseseesecesevssecsvese 12 and Parts List ............. cece Ledisaantet totes: 24
[8] Wiring oo... cece ‘ggasasanee ges aeChectonctsssa 13 [13} Packing” s..c.icscccssssscsssecssssesecvscsserensevseveceereeteess 28
[9] Standard Schematic Diagram .............0..... wegen 4 [14] ACCOSSONES is. sonic Ai Seis sasseatieeaas certian ooadadasee ed
No. 4294
March 1988

TD-V711 A/B/C/E/G/J/U
[1] Safety Precautions
1. The design of this product contains special hardware and may circuits and components specially for safety pur-
poses. For continued protection, no changes should be made to the original design unless authorized in writing
by the manufacturer. Replacement parts must be identical to those used in the original circuits. Service should
be performed by qualified personnel only.
2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product
should not be made. Any design alterations or additions will void the manufacturer’s warranty and will further
relieve the manufacturer or responsibility for personal injury or property damage resulting therefrom.
3. Many electrical and mechanical parts in the product have special safety-related characteristics. These
characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily
be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which
have these special safety characteristics are identified in the Parts List of Service Manual. Electrical components
having such features are identified by (A\) on the schematic diagram and Parts List in Service Manual. The use
of a substitute replacement which does not have the same safety characteristics as the recommended replace-
ment part shown in the Parts List in Service Manual may create shock, fire, or other hazards.
4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated
from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock
and fire hazard.
When service is required, the original lead routing and dress should be observed, and it should be confirmed
that they have been returned to normal, after re-assembling.
5. Leakage current check (Electrical shock hazard testing)
After re-assembling the product, always perform an isolation check on the exposed metal parts of the product
(antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts, etc.) to be sure the pro-
duct is safe to operate without danger of electrical shock.
Do not use a line isolation transformer during this check.
© Plug the AC line cord directly into the AC outlet. Using a ‘‘Leakage Current Tester’’, measure the leakage
current from each exposed metal part of the cabinet, particularly any exposed metal part having a return path
to the chassis, to a known good earth ground. Any leakage current must not exceed 0.5 mA AC (r.m.s.).
e Alternate check method
Plug the AC line cord directly into the AC outlet. Use an AC voltmeter having 1,000 ohms per volt or more
sensitivity in the following manner. Connect a 1,500 © 10 W resistor paralleled by a 0.15 »F AC-type capacitor
between an exposed metal part and a known good earth ground.
5 f AC VOLTMETER
Measure the AC voltage across the resistor with the AC Peary (Having 1000 ohms/volt
voltmeter. or more sensitivity.)
Move the resistor connection to each exposed metal
part, particularly any exposed metal part having a return
path to the chassis, and measure the AC voltage across
the resistor. Now, reverse the plug in the AC outlet and
repeat each measurement. Any voltage measured must
not exceed 0.75 V AC (r.m.s.).
This corresponds to 0.5 mA AC (r.m.s.).
0.15 wF AC TYPE
Place this probe
c on each exposed
1500 2 10 W metal part.
Good earth ground
Warning
. This equipment has been designed and manufactured to meet international safety standards.
. It is the legal responsibility of the repairer to ensure that these safety standards are mainteined.
. Repairs must be made in accordance with the relevant safety standards.
. It is essential that safety critical components are replaced by approved parts.
. If mains voltage selector is provided, check setting for local voltage.
ahWN =
2 (No. 4294)

2) Specifications
Type
Track system
Tape speed
Frequency response
S/N ratio
Improvement of MOL
Wow and flutter
Channel separation
Crosstalk
Harmonic distortion
Heads
Motors
: Stereo cassette deck
: 4-track, 2-channel
: 1-7/8 inch/sec (4.8 cm/sec)
: (— 20 dB recording)
Metal tape;
10—22,000 Hz
15—20,000 Hz (+3 dB)
Chrome tape;
10—20,000 Hz
15— 18,000 Hz (+3 dB)
Normal tape;
10—20,000 Hz
15—18,000 Hz (+3 dB)
: 59 dB (S=1 kHz, K3=3%
N=A-weighted, Metal tape)
The S/N is improved by about
15 dB at 500 Hz and by max.
20 dB at 1 kHz ~ 10 kHz with
Dolby C NR on and improved
by 5 dB at 1 kHz and by 10 dB
at above 5 kHz with Dolby B
NR on.
: 4 dB at 10 kHz with Dolby C
NR on.
: 0.022% (WRMS)
: 40 dB (1 kHz)
: 65 dB (1 kHz)
:K3; 0.5% THD; 1.0%
(metal tape, 1 kHz O VU)
: Erase (2-Gap Ferrite) x 1,
Record (Sen-Alloy) x 1,
Playback (Amorphous Ferrite)
x 1
: Pulse servo direct drive
motor for capstan x 1
DC motor for reel x 1
DC motor for mechanism drive
x 1
Fast forward/Rewind
time
Imput terminals
CD DIRECT
(x 1 circuit)
DIRECT
(x 1 circuit)
LINE IN
(x 1 circuit)
Output terminals
LINE OUT
(x 1 circuit)
PHONES x 1
Other terminals
Power requirement
TD-V711A/B/E/G
TD-V711C/J
Power consumpiton
Dimensions
(W x H x D)
Weight
Accessories
TD-V711 A/B/C/E/G/J/U
: Approx. 95 sec. with C-60
cassette
: Min. input level; 80 mV
Input impedance; 50 kQ
: Min. input level; 80 mV
Input impedance; 50 kQ
: Min. input level; 80 mV
Input impedance; 50 kQ
: Output level; 300 mV
Output impedance; 600 2
: Output level; O~ 1 mW/8 Q
Matching impedance
82 — 1k2
: COMPU LINK-1/SYNCHRO x 2
: AC240/220/120 V, 50/60 Hz
: AC 120 V, 60 Hz
:18W
>475 x 132 x 336mm
(18-3/4"" x 5-1/4" x
13-1/4’’)
: 8.3 kg (18.4 Ibs)
: Pin plug cord .............:.c08 2
Remote cable ...............06 1
Design and specifications are subject to change without
notice.
(No. 4294) 3

TD-V711 A/B/C/E/G/J/U
4
3) Location of Main Parts
Main Board Ass’y Power Switch
Power
Supply/
Power
Cord
Mechanism Control Board Ass’y input Select Switch Main Board Ass’‘y Power Transformer
= A ae
I > i, ss
mn. Volume
(Input)
q
Power Switch—e /
Remote Bar “EE
Leaf Switch Board Ass’y BIAS/BALANCE Mechanism Ass’‘y
Volume Board Ass’y '
H. Phones Board Ass’y H. Phones Board Ass‘y
Power Supply/
Mechanism Control
Board Assy
Cam Motor Reel Motor Cam Switch Board Cam Motor Ass’y
Reel Motor Ass’y
PB Head
REC Head Pinch Roller
E. Head
DD
Motor
Ass’y
Pinch
roller
Fig. 3-1
(No. 4294)

4) Location of Controls
TO-V711 STEREO CASSETTIIDECK
@ TIMER switch
When an optional timer is used, recording and playback
can be performed at any desired time.
@ POWER switch
© Cassette holder
@ MULTI MODE display (See Fig. 4-2)
Tape remaining time display
MEMORY indicator
PEAK LEVEL METER
Recording guide indicator
Digital peak indicator
Tape indicator
Digital counter
Tape length indicator
Mechansim mode indicator
HX PRO indicator
NR DEFEAT indicator
MPX Filter indicator
DOLBY NR mode indicator
Monitor indicator
@ INPUT LEVEL control
Adjust the recording level with this control.
@ EJECT button
Press to open the cassette holder.
@ PHONES jack
connect headphones (with an impedance of 8 ohms to
1 kohm).
@ PHONES LEVEL control
@ DOLBY NR switches
Set to ON for recording using the Dolby NR SYSTEM or
for playback using the Dolby NR system. Set to
OFF/DEFEAT when the Dolby NR system is not used.
@ Dolby HX PRO switch
POWOQVOMWOOOONWO)
Fig. 4-1
@ MPxX FILTER siwtch
The MPX filter functions when the tape is recorded
using the Dolby NR system. Normally, set this switch to
OFF. When an FM stereo broadcast is to be recorded
using Dolby NR, set this to ON to prevent the Dolby NR
circuit from malfunctioning (otherwise the sound quali-
ty could deteriorate).
@ INPUT SELECT switches and indicators
Press these to set to the inpujt you want to record. The
corresponding indicator will ight:
CD DIRECT:
When recording directly from a CD player.
DIRECT:
When recording directly from other equipment.
LINE:
When recording from a stereo amplifier.
@® MONITOR button
When recording, set to SOURCE to monitor the sound
just before it is recorded. Set to TAPE to monitor the
sound recorded on the tape.
@® BIAS adjust control
Adjust recording bias according to the characteristics of
the tape used for recording.
@® BALANCE control
Adjusts the balance between the signals input via the left
and right LINE IN jacks.
@ RESET button
Press to reset the tape counter to ‘‘O0000’’.
@ DISPLAY button
Select the mode of the digital counter. The tape counter
will be indicated when the power is first switched on.
Press this button to select the tape remaining time
display.
dis -—30 20] 15 12 10
TD-V711 A/B/C/E/G/J/A
LEFY Sie It
RIGH} C300 C
@® TAPE LENGTH button
use this button when you want to check the remaining
tape time. The remaining time must be displayed in the
digital counter before setting the tape length (e.g., C-60).
@® MEMORY button
Use this button to specify the position at which you want
the tape to stop in rewind, etc.
@) CALL button (Digital peak)
Press to call up the stored peakm level or reset the
memory.
@ Cassette operation buttons
<< (Rewind):
Press to rewind the tape.
PLAY:
Press to start recording/playback. Press this but-
ton with either the << or ®® button for music
scanning.
bP (fast forward):
Press to fast forward the tape.
@ (stop):
Press to stop the tape.
© REC/REC MUTE:
Press the PLAY button while pressing this button
to start recording, and press to leave an ap-
propriate non-recorded section.
Hi (pause):
Press to stop the tape temporarily. Press the PLAY
button to release the pause mode. Press this
together with O REC/REC MUTE button before
starting recording to enter the record-pause mode.
Fig. 4-2
(No. 4294)
5

TD-V711 A/B/C/E/G/J/U
[5]
Removal
of
Main
Parts
Cabinet Section
@ Top Cover
1) Remove four screws on both sides.
2) Remove two screws fixing the back.
@ Bottom Cover
1) Remove six screws @) and a).
[Main/power source base parts can be replaced in this
condition]
@ Front Plate
1} Remove INPUT LEVEL voiume knob and BIAS/BALANCE
knob.
2) Remove five screws (2) fixing the front panel.
@ Front Panel Ass‘y
1) Remove power switch knob.
2) Remove switch side of input switch remote bar and
remove knob.
3)
Pull
input
volume
remote
bar
inside
and
remove
from
front
panel.
4)
Remove
two
screws
(3)
fixing
the
center
chassis
from
the
front.
5) Remove four screws (4) on both sides.
6) Remove wires if necessary.
@ Removal from Front Panel
Mechanism Ass‘y
1) Remove two screws fixing mechansim ass’y top.
2) Remove LED lead soldering on leaf switch base.
3) Remove two screws 6) fixing mechanism ass’y bottom.
4) Open cassette door and remove.
Timer Switch
Remove four pawls (A) fixisng the switch base.
Headphone jack Base
1) Pull out output volume knob.
2) Remove nut fixing the jack.
3)
Remove
volume
bracket,
push
up
volume
shaft
and
remove
from
groove.
Volume Base
1)
Remove
two
pawls
fixing
the
BIAS
adjustment
volume/BALANCE volume base.
Display,
DOLBY
B/C NR,
HX,
MPX
Switch
Base
1)
Remove
two
scrws.
@)
fixing
the
switch.
2)
Remove
six
pawls
©)
fixing
the
base.
Inside view
Fig. 5-4
Switch Base Ass’y
Remove
pawl
©)
,
then
remove
five
pawls
©
pawls
from (©) side in order.
Push base from front panel hole for easier removal.
(No. 4294) 6
Mechansim Section
@ Head parts
1)
To
remove
head
block,
remove
three
screws
@)
@)
3)
.
2)
To
remove
erasing
head,
remove
one
screw
3)
To
remove
playback
head,
remove
three
special
nuts
(5)
;
then
remove
playback
head
base
and
remove
two
screws
Caution:
A
spring
will
come
off
when
removing
playback
head.
4)
To
remove
record/playback
head.
(1)
Remove
playback
head.
(2)
Remove
three
screws
M®Ee
fixing
record/playback head.
Caution:
Springs
@@)
are
the
same
and
@)
is
different.
(Springs Q) and 6) are the same)
@ DD Motor Ass’y
1) Remove two screws ;
2)
Remove
two
screws
from
both
sides
of
the
chassis.
3)
Slide
idler
to
right
and
lift
chassis
to
remove.
@ Cam Motor
Remove two screws a2 a3 ‘
@ Reel Motor
Remove two screws (5) :
@ Cam Switch
1) Remove one screw :
2) Slide brake and pull out.
(Cautions for assembling)
(1) Align car gear and cam switch holes.
(2)
Head
base
arm
stud
must
match
cam
switch
gear
groove.
@ Pinch Roller
1) Remove left hexagon nut a? ,
2)
Remove
arm
hooked
on
chassis
on
right.
(Only
push
arm
as
required
to
remove)
® is playback head in-
Stalling position adjusting
.
screw.
(to
move
playback
Fig.
5-5
head back
and
forth)
Brake (Slide position)
Push arm to remove
(Only push as required to
remove)
Fig. 5-8

TD-V711 A/B/C/E/G/J/U
16] Main Adjustment
1. Measuring instruments required for adjustment
(1) Audio frequency oscilloator (5) Recording standard tape
(range: 50~20 kHz and output OdB with 6000 TS-9(UDI), TS-6(SA), TS-7(ME) or the like.
impedance) (use standard tape specified by Victor)
(2) Attenuator (impedance 600 ) (6) Resistors 600 Q (attenuator matching)
(3) Electronic voltmeter (7) Distortion gauge (band pass filter)
(4) Standard tape (8) Torque gauge (cassette) CTG-N mechanical adjusting.
VTT712 (Tape speed, wow and flutter check) (9) Wow and flutter gauge
VTT724 (reference level) (10) Frequency counter
VTT739 (for playback frequency characteristics) (11) M300 gauge
VMT6447 (music scanning)
TMT6448 (music scanning)
TMT702 (14 kHz)
2. Mechanical Adjustment
When replacing head, check the height, direction and tilt (rough adjustment) of each head as follows.
Tape travel adjustment
Use tool M300. Be careful not to damage head.
Tape guide adjustment Tilt adjustment
Reflector position
(guide post)
Reflector position
(guide post)
Guage moving direction Le
Fig. 6-1
Fig. 6-2
(No. 4294) 7

TD-V711 A/B/C/E/G/J/U
\
Fly wheel and thrust
check
Check by feeling
Back tension rubber
position check
At PLAY, back tension rubber should touch supply
wheel to stop wheel.
At MS/Stop, back tension rubber should not touch
supply wheel.
Supply disk
Back tension rubber
3 | Pinch roller fastening Right pinch roller should fasten to capstan shaft
order check before left pinch roller.
4 | Pinch roller guide Use M300 gauge and adjust @ so that 3.8 mm
height adjustment gauge can pass.
5 | Playback head height 1) Use M300 gauge and adjust playback head Pinch roller
and tilt adjustment tape guide with screw so that 3.8 mm guide height
gauge can pass. Head guide adjustment
2) Adjust © screw so that playback head is not height
j db
tilted and that there is no gap between the ~~ i
gauge and head.
3) Gaugbe will touch gap face, adjust carefully.
Hold a flash light from the opposite side and
check for light leakage.
4) Re-check guide height.
If gauge touches, re-adjsut upper 1), 2).
Playback head
tilt adjustment
Playback TMT7008 (14 khz) and adjust screw (0)
to maximum output position with no phase
difference.
Playback azimuth
adjustment
Tape travel check
Recording head
height, tilt. Azimuth
adjustment
Use C-90 padded tape and check that tape head
is not curled at beginning of wind.
Use mirror tape to
check tape travel.
1) Record and playback 10 kHz and adjust screw
to maximum output position with no
phase difference. (azimuth adjustment)
2) Record and playback 10 kHz and adjust screw
to maximum output position with no
phase difference. (height adjustment)
3) use M300 gauge and adjust recording head tilt
with screw @) following the procedure for
adjusting playback head tilt.
4) Record and playback 10 kHz and re-adjust Recording head
azimuth adjusting screw (E) to maximum out- nitadjustnent
put position. Match L/R phases.
8 (No. 4294)

TD-V711 A/B/C/E/G/J/U
Head position Use M300 gauge and adjust so that playback
head is in front of recording head.
Other standards are as follows.
The measurements are as against guide
post (H).
a=3.1~4.0
Playback {¢7 3149
Guide Post
MS a=4.4~5.1mm
b=0.05~0.35
d=0.2~0.3 mm
9=0°
E Head
R Head}ip B Head
d
Bend and adjust head base so that a is
within 4.4~5.1 mm at MS.
al
Adjusting part -| =
Head position
adjustment
Adjust screw ®) so
that playback head is
“‘b’’ measurement in
front of recording
head.
[re-adjust playback,
recording azimuth after
adjusting @).1
Excessive
Insufficient
Bend in # direction ("]
Bend in $ direction
Ht
After this adjustment, check Item .
Controls clearance between head base and door
safety when door safety is pulled in the direction
of the arrow at STOP.
Checkling door safety
Head base
Door safety lever
3. Electric Circuit Adjustment Location
Main Amplifier Base (parts side)
Playuback F
special adjustment O VRI01
Playback level [vrioz
adjustment
'
'Record/Playback bias Playback F
’ frequency Sdjustment special adjustment Dyvrz02
Playback level (yvrzo1
VR903 adjustment
adjustment
Note:
The record a 1 kHz,
— 20 dB signal is reference VR401
level (— 8 dBs) level, so oO Rech | Record/Playback
—
20
dB
is
fow
level.
Ctch
sensitivity
adjustment
i
Ref. Record/
level 20 dB Papecial
H
t
— 20 dB
wo
a
(oom &
O z
o 6
F
' i)
{901 C35!
Meter adjustment
AMP P.C. Board
Fig. 6-3 (No. 4294) 9

TD-V711 A/B/C/E/G/J/U |
4. Electrical Circuit Adjustment
Conduct following adjustments after adjusting tape travel and head angle.
¢ Adjust in the following order.
¢ * marks must be adjusted when replacing head. Notice: 0 dBs = 0.775V
Adjustment and checking methods
; Dolby fee = eee | Frequency level Output value and deviation
recording sored
(=Cal. Level)
; Adjusting Standard
Playback level | 1) Playback VTT724 (1 kHz) and adjust |VR102, Adjust playback level when
VR102, 202 so that LINE OUT out- 202 replacing head.
put is — 8 dBs. (L—R channel output Electronic voltmeter impedance
difference should be within 0.5 dBs) should be over 100 kQ.
2) Check headphone output (headphone
10 kHz
VR ... maximum)
— 15 dBs+3 dB, L—R difference
VR101,
201
0.5+0.5 dB
L901 95 kHz
+1 kHz
within 2 dB.
Playback test tape VTT739 (1 kHz,
L304,
404
Playback
equalizer
With 1 kHz
as reference
NR : OFF
63 Hz : +2 dB+3 dB (Check)
10 kHz) and adjust VR101, 201 so that
1 kHz, 10 kHz output is at standard
value.
TAPE : METAL
(fix needle to gaugbe lead end
and plug to connector socket)
Connect 1 MQ to F. counter and adjust
L901 so that CN 3 5 PIN output is
95 kHz.
At METAL poisiton recording mode, ad-
just L304, L404 so that R354 and R454
end voltages are minimum.
Record 1 kHz at ref — 20 dBs input and
then record 50 Hz, 12.5 kHz.
Playback and adjust 302, VR402 so that
a deviation of 50 Hz, 12.5 kHz against
1 kHz is at standard value. (Basically,
adjust so that 1 kHz and 12.5 kHz out-
put is at standard value)
Bias frequency
adjustment
HX PRO coil
adjustment
DC voltmeter
Record/
Playback
frequency
characteristics
VR302, 402)With 1 kHz
bias as
(VR904) reference,
should be at/at 12.5 kHz
the center. |0.5+0.5 dB
(front
volume)
Ref ~— 20 dB: — 20 GB lowered
from reference input value =
— 28 dB
Adjust normal, left, right
channels.
¢Bias value of chrome and
metal tape against normal tape
is set by voltage shift.
elf bias electric current is not
adjusted correctly the recor-
ding characteristic will be as
the left diagram.
High frequency rise
High frequency lowering
Response
(dB)
Excessive bias Insufficient bias electric current
electric current -~~ Correct value of bias electric current
Freqeuncy
t2.5kHz
10 (No. 4294)

10
TD-V711 A/BIC/E/G/J/U
11
Item Adjustment method Adjusting Standard Remarks
point value
Recording Input LINE IN terminal so that source | VR301, Normal Left and right level difference |
level 1) motor output is — 8 dBs. 401 —8 dBs should be within 1 dB for both
2) Ajust recording signal electric current +0.5 dB |normal and metal. Adjust with
at VR301, 401 so that output is Chrome normal tape. Check that level
— 8 dBs when recorded/played back. Metal difference of chrome and metal
-—8 dBs is within 1.5 dB and left and
+1 dB right level difference is within
1.0 dB.
Level indicator | 1) Apply 1 kHz signal so that line out- | VR903 Input
adjustment put level becomes -—38dB at —Lights at
and check monitor (source). — 38 dB
Adjust VR903 so that FL level in- Lights out
dicator — 30 dB lights. at —40 dB
Lights should go out at — 40 cB.
2) Check that O dB indicator lights at
signal level of —8dB +0.3,
—0.7 dB.
Record/ 1) Record 1 kHz signal so that level Normal Check after adjusting bias elec-
Playback gauge indicator is +6 dB and LINE tape under | tric current and recording level.
distortion OUT output is — 2 dBs. 3.0%
check 2) Playback and measure output with Chrome
distortion gauge and check that it is tape under
at standard value. 4.0%
Metal tape
under
3.0%
Record/ 1)Record at 1 kHz, O dB input. Normal
Playback S/N Stop input during recording and record Over 45 dB
check with no signal. Chrome
2) Playback and measure difference of Over 45 dB
O dB recording output and no signal Metal
recording output with electronic Over 45 dB
voltmeter.
Check that difference is at standard
value.
Erasing check |1) Apply 1 kHz signal from LINE IN and . Over 65 dB /Connect B.P.F. (band pass
adjust recording volume to get
—8 dBs.
2) Raise signal level 20 dB and record.
3) Rewind tape and erase a part of the
recording.
4) Measure output ratio of recorded
part to erased part with electronic
voltmeter.
filter) between electronic
voltmeter and deck to measure.
Check with metal tape.
1 kHz 0 Vu
+20 dB
Deck,
recording,
input
Band pass
filter B.P.F.
erasing
Electronic
voltmeter
(No. 4294)
11

(v6ZP ON) ZL
VR102 §* PB DOLBY
PB LEVEL ADJ B/C NR PB NR SWITCH
G)
19)
nape
MS
DETECTOR
ales ae |
% (12) 4
PB LINE AMP (0-0 oe L ) Oat |
(5) é (+
S&S < |
PB EQ ADJ (5) 7) rt O 1)
AUTO MONITOR
REC MUTE ain
TO MECHACON @)—{1G915}-40. 902] pit
INPUT REC LINE AMP
MECHACON
VOLUME
5901
VR902
1C
501
INDICATOR
LINE IN = (3)
O
(1)
0
g
4)
FL
a
TUBE
DIRECT IN []
REC,
DOLBY
(9)
? Cm |
DIRECT IN O
REC AMP
BIAS TRAP
AMP
@
R
REC
HEAD
Jb
LEVEL
BIAS
OSC
OS) 8902-4 Q303] Cr Oz (H)
L901
METAL
(H)
R353
Q905,Q906
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303.2351
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(2)
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(No. 4294) 15

TD-V711 A/B/C/E/G/J/U
Location of P.C. Board Parts and Parts List
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Main Board Parts List
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: | 80 88 gsgeg da . = Ls SSS QFV71HJ-183ZM _|TF.CAPACITOR
(ae Sees 3 a be? | | —— 7 —— RI QFV71HJ-103ZM |TF.CAPACITOR
a =. am 2 a
— a ee Eee QFV71HJ-823ZM |TF.CAPACITOR
Se) Lise. NSP nee 2 oe | se QETC1HM-684Z2M |E.CAPACITOR
EELbee) || GebeEbEI Se. Die pe @ETC1HM-225ZM |E.CAPACITOR
esd ho> Se enone eRo5 See & Q = eCe
ss sees Ege OSS5 EN61ER-475ZN _INP.E.CAPACITOR
L sokeet =5 9 my
Fig. 10-1
(No. 4294) 16

TD-V711 A/B/C/E/G/S/U
C251 QETC1HM-106ZM E.CAPACITOR Coot QETC1AM-1072M E.CAPACITOR
C CAPACITOR C992 QETC1AM-1072M E.CAPACITOR
M.CAPACITOR C993 QCF31HP-1032 C.CAPACITOR
QEN61ER-4752ZN NP.E.CAPACITOR D102 HSS104TJ SI DIODE
QFV71HJ-224Z2M TF.CAPACITOR D103 IHSS104TJ SI DIODE
QFN3Z1HJ-2722 M.CAPACITOR D202 HSS104TJ SI DIODE
QFN31HJ-6822 M. CAPACITOR D203 HSS104TJ SI DIODE
C308 QFV71HJ-1532M TF.CAPACITOR D513 HSS104TJ SI DIODE
C309 QFN3Z1HJ-1522 M.CAPACITOR D701 RD5.6E(B3) ZENER DIODE
C310 QFN31HJ-3322Z M.CAPACITOR D902 HSS104TJ SI DIODE
c311 QFV71HJ-3332M TF.CAPACITOR D903 HSS104T4J |SI DIODE
€312 QFV71HJ-333Z2M TF.CAPACITOR D904 HSS104TJ SI DIODE
C313 QFV71HJ-393Z2M TF.CAPACITOR D906 HSS104TJ SI DIODE
C314 QFV71HJ-4732M TF.CAPACITOR D907 HSS104TJ SI DIODE
C351 QFV71HJ-103ZM TF.CAPACITOR D908 HSS104TJ SI DIODE
C352 QCS31HJ-5612 C.CAPACITOR D909 HSS104TJ SI DIODE
C353 QFV71HJ-2232M TF.CAPACITOR D910 HSS104TJ SI DIODE
C354 QFV71HJ-1042M TF.CAPACITOR D911 HSS104TJ SI DIODE
C355 QETC1HM-106ZM E.CAPACITOR 0913 HSS104TJ SI DIODE
C356 QFP32AJ-4712M PP.CAPACITOR Ic701 BA15218N I Cc
C357 QCS31HJ-2012Z C CAPACITOR Ic9014 UPC4572HA Ic
C401 CS32HJ-1512V C CAPACITOR 1C902 BA15218N Ic
C402 QFN3S1HJ-102Z M. CAPACITOR 1C903 HA12088ANT DOLBY NR I.C
C403 QEN61ER-475ZN NP.E.CAPACITOR 1C904 BA15218N Ic
C405 QFV71HJ-224Z2M TF.CAPACITOR 1c905 IHA12088ANT DOLBY NR 1I.C
C406 QFN31HJ-2722 M.CAPACITOR 16906 M4066BP Ic
C407 QFN3S1HJ-6822 M. CAPACITOR 1¢907 M4O066BP Ic
C408 QFV71HJ-153ZM TF.CAPACITOR 1c908 M4066BP Ic
QFN3S1HJ~-1522 M.CAPACITOR 1C909 LA2000S8 1c
QFN3STHJ-3322 M.CAPACITOR 1¢910 BA15218N t Cc
QFV71HJ-333ZM TF.CAPACITOR Ic911 BA15218N rc
C412 QFV71HJ-3332M TF.CAPACITOR 1c912 UPC1297CA rc
C413 QFV71HJ-393ZM TF.CAPACITOR Ic994 BA15218N 1 ¢
C414 QFV71HJ-4732M TF.CAPACITOR J901 EMNOOTV-206A PIN JACK
C451 QFV71HJ-103ZM TF.CAPACITOR J902 EMNOOTV-206A PIN JACK
C452 QCS31HJ-561Z C.CAPACITOR J903 EMNOOTV-206A PIN JACK
C453 QFV71HJ-223ZM TF.CAPACITOR J904 EMNOOTV-206A PIN JACK
C454 QFV71HJ-1042M TF.CAPACITOR S991 QMS6302-119G JACK
C455 QETCIHM-106ZM E.CAPACITOR L101 VaP0001-562S8 INDUCTOR
C456 QFP32AJ-4712M PP.CAPACITOR L102 VQZ0013-002S FILTER
C457 ACS31HJ-2012 Cc CAPACITOR L103 VQZ0025-001S FILTER
C703 QETCIAM-4772ZM E.CAPACITOR L104 VQZ0013-002S FILTER
C704 QETCLAM-4772M E.CAPACITOR L201 VQP0001-562S INDUCTOR
C705 QETCLHM-1062M E.CAPACITOR L202 VQZ0013-002S FILTER
C706 QETC1IAM-1072M E.CAPACITOR L203 VQZ0025-001S FILTER
C905 QETCLAM-4772M E.CAPACITOR L204 VQZ0013-002S FILTER
C906 QETCLAM-4772M E.CAPACITOR L301 VQP0001-183S INDUCTOR
C909 QETCLAM-477ZM E.CAPACITOR L302 VQ@P0001-332S INDUCTOR
c910 QETCLAM-4772M E.CAPACITOR L303 VQP0001-183S INDUCTOR
C911 QETCIEM-4762M E CAPACITOR L304 VQH7001-008 josc COILCBIAS)
C912 QETCLEM-476ZM E CAPACITOR L401 VQP0001-183S INDUCTOR
c91s QFV71HJ-1232M TF.CAPACITOR L402 VQP0001-332S INDUCTOR
C916 QFV71HJ-1032M TF.CAPACITOR L403 VQP0001-183S INDUCTOR
C917 QFN3Z1HJ-4722 M.CAPACITOR L404 VQH7001-008 OSC COIL‘¢BIAS)
C918 QFN31HJ-4722Z M.CAPACITOR L901 VQH7001-007 OSC COIL(BIAS)
€919 QFV71HJ-103ZM TF.CAPACITOR L902 WW@P0001-1028 INDUCTOR
C920 QFV71HJ-224Z2M TF.CAPACITOR Q101 2SK301(R-S)TA TRANSISTOR
C921 QETCIHM-2242M E.CAPACITOR Q102 2SC9O4S5LCP-K)-T (TRANSISTOR
C948 QETCLAM-1072M E.CAPACITOR Q103 2SC945L¢(P-K)-T j|TRANSISTOR
C949 QETCLAM-107ZM E.CAPACITOR Q201 l2ESK301¢R-S)TA TRANSISTOR
C950 ACS31HJ-1002Z C.CAPACITOR Q202 2SC945L(P,/K)-T |TRANSISTOR
C951 QFP82AJ—-123 PP CAPACITOR Q203 2SC945LCP-K)-T j|TRANSISTOR
C953 QFNS1HJ-6827Z M.CAPACITOR Q302 2SC945L¢P-K)-T |TRANSISTOR
C954 QFN3S1HJ-2722 M.CAPACITOR Q303 2SC945L¢P,/K)-T |TRANSISTOR
C955 JQFN31HJ-27272 M.CAPACITOR Q304 2SC945L(P/K)-T [TRANSISTOR
C956 QETCLHM-1062M E.CAPACITOR Q305 2S8C945L(P-K)-T |TRANSISTOR
C957 Q@ETCIHM-106ZM =|E. CAPACITOR Q402 2SC945L(P,/K)-T |TRANSISTOR
C958 QETCITHM-106ZM E.CAPACITOR Q403 2SC945L¢0P-K)-T |TRANSISTOR
QETCIEM-2272M E.CAPACITOR Q404 2SC945L(P-K)-T {TRANSISTOR
QCFIZHP-103 C.CAPACITOR Q405 2SC945L(P-K)-T _ |TRANSISTOR
(No. 4294) 17

TD-V711 A/B/C/E/G/J/U
A REF. NO PARTS NO, PARTS NAME A\ REF. NO PARTS NO. PARTS NAME
a701
2SB772(Q@,P)
TRANSISTOR
R202
QRD161J-474Y
CARBON
RESISTOR
Q702
2SD882(Q,P)
TRANSISTOR
R203
QRD16145-562Y
CARBON
RESISTOR
Q703
2SC94SLC(P,K)-T
ITRANSISTOR
R204
QRD161J-682Y
CARBON
RESISTOR
Q704
2SA733A(P,K)-T
|TRANSISTOR
R205
QRD161J-101Y
CARBON
RESISTOR
|
Q721
2SA733A(P,/K)-T
{TRANSISTOR
R206
Q@RD161d-471Y
CARBON
RESISTOR
Q722
2SA733A(P-K)-T
|TRANSISTOR
R207
QRD161J-102Y
CARBON
RESISTOR
Q723
2SA733A(P/K)-T
[TRANSISTOR
R208
QRD161J-472Y
CARBON
RESISTOR
Q724
2SA733A(P-K)-T
[TRANSISTOR
R209
QRD1613-105Y
CARBON
RESISTOR
Q725
2SA733A(P,/K)-T
(TRANSISTOR
R210
QRD161J-222Y
CARBON
RESISTOR
Q726
2SA733A(P,/K)-T
|TRANSISTOR
R211
QRD161J-123Y
CARBON
RESISTOR
a901
2SC945L(P,K)-T
|TRANSISTOR
R212
QRD161J-102Y
ICARBON
RESISTOR
ag0o2
2SC945L(P,/K)-T
|TRANSISTOR
R213
QRD161d-104Y
CARBON
RESISTOR
Qa903
2SC945L(P>K)-T
|TRANSISTOR
R215
QRD161J-822Y
CARBON
RESISTOR
Qa904
2SC945L(P-K)-T
/|TRANSISTOR
R216
Q@RD161J-104Y
CARBON
RESISTOR
Q905
I2SC945L(P,/K)-T
[TRANSISTOR
R217
QRD161J-332Y
CARBON
RESISTOR
a906
2SC945L(P,-K)-T
{TRANSISTOR
R218
Q@RD161J-102Y
CARBON
RESISTOR
Q907
2SC945L(P-K)-T
|TRANSISTOR
R219
QRD161J-683Y
CARBON
RESISTOR
a908
2SC2001(L-K)-T
[TRANSISTOR
R220
QRD161J-101Y
CARBON
RESISTOR
RL901
VSK7D09-211
RELAY
R221
QRD161J-273Y
CARBON
RESISTOR
R104
]QRD161J4-273Y
CARBON
RESISTOR
|
R222
QRD161J-273Y
ICARBON
RESISTOR
R102
QRD161J-474Y
CARBON
RESISTOR
R223
QRD161J-273Y
CARBON
RESISTOR
R103
QRD161J-562Y
CARBON
RESISTOR
R224
Q@RD1615-104Y
CARBON
RESISTOR
R104
QRD161J3-682Y
CARBON
RESISTOR
R225
QRD161J-104Y
CARBON
RESISTOR
R105
QRD161d-101Y
CARBON
RESISTOR
R226
QRD161J-121Y
CARBON
RESISTOR
R106
QRD161J~-471Y
CARBON
RESISTOR
R227
QRD161J-472Y
CARBON
RESISTOR
R107
QRD161J-102Y
CARBON
RESISTOR
R228
QRD161J-102Y
CARBON
RESISTOR
R108
QRD1613-472Y
CARBON
RESISTOR
R229
QRD161J-102Y
CARBON
RESISTOR
R109
QRD161J-105Y
CARBON
RESISTOR
R230
QRD161J-682Y
CARBON
RESISTOR
R110
QRD161J-222Y
CARBON
RESISTOR
R231
Q@RD161J-105Y
CARBON
RESISTOR
|
|
R111
QRD161J-123Y
|CARBON
RESISTOR
R232
QRD161d-105Y
CARBON
RESISTOR
Rii2
QRD161J-102Y
CARBON
RESISTOR
R233
QRD161J-222Y
CARBON
RESISTOR
R113
QRD161J-104Y
CARBON
RESISTOR
R234
A@RD161J-472Y
CARBON
RESISTOR
R115
QRD161d-822Y
CARBON
RESISTOR
R235
QRD161J-102Y
CARBON
RESISTOR
R116
QRD1613-104Y
CARBON
RESISTOR
R236
Q@RD1614-332Y
CARBON
RESISTOR
R117
QRD161J-332Y
CARBON
RESISTOR
R237
QRD161J-683Y
CARBON
RESISTOR
R118
QRD161J-102Y
CARBON
RESISTOR
R238
l@RD161J-101Y
CARBON
RESISTOR
R119
QRD161J-683Y
CARBON
RESISTOR
R239
QRD161J-473Y
CARBON
RESISTOR
R120
QRD161J-101Y
CARBON
RESISTOR
R241
QRD161d-472Y
CARBON
RESISTOR
R121
QRD161J-273Y
CARBON
RESISTOR
R242
QRD161J-152Y
CARBON
RESISTOR
|
R122
(QRD161J-273Y
CARBON
RESISTOR
R243
QRD161J-471Y
CARBON
RESISTOR
R123
QRD1615-273Y
CARBON
RESISTOR
R245
QRD1615-562Y
CARBON
RESISTOR
R124
QRD161J-104Y
CARBON
RESISTOR
R251
Q@RD1I61J-153Y
CARBON
RESISTOR
R125
QRD161J-104Y
CARBON
RESISTOR
R252
QRD161J-105Y
CARBON
RESISTOR
R126
QRD161J-121Y
CARBON
RESISTOR
R253
QRD161J-683Y
CARBON
RESISTOR
R127
QRD161N-472Y
CARBON
RESISTOR
R254
QRD161J-123Y
CARBON
RESISTOR
R128
QRD161J-102Y
CARBON
RESISTOR
R255
QRD161J-183Y
CARBON
RESISTOR
R129
QRD161J-102Y
CARBON
RESISTOR
R256
QRD161J-560Y
CARBON
RESISTOR
R130
QRD161J-682Y
CARBON
RESISTOR
R257
QRD1615-223Y
CARBON
RESISTOR
R131
QRD161J-105Y
CARBON
RESISTOR
R258
QRD161J-104Y
CARBON
RESISTOR
R132
@RD161J-105Y
CARBON
RESISTOR
R303
QRDI61J-392Y
CARBON
RESISTOR
R133
QRD161J-222Y
CARBON
RESISTOR
R304
QRD161J-473Y
CARBON
RESISTOR
R134
QRD161d-472Y
CARBON
RESISTOR
R305
Q@RD161J-153Y
CARBON
RESISTOR
R135
QRD1I61J-102Y
CARBON
RESISTOR
R306
QRD161J-273Y
CARBON
RESISTOR
R136
QRD161J-332Y
CARBON
RESISTOR
R307
QRD161J-152Y
CARBON
RESISTOR
|
|
R137
QRD161J-683Y
CARBON
RESISTOR
R308
QRD161J-270Y
CARBON
RESISTOR
R138
QRD161u-101Y
ICARBON
RESISTOR
R309
QRD161J-101Y
CARBON
RESISTOR
R139
QRD161J-473Y
CARBON
RESISTOR
R310
QRD161J-270Y
CARBON
RESISTOR
R141
QRD1615-472Y
CARBON
RESISTOR
R311
Q@RD1614-392Y
CARBON
RESISTOR
R142
QRD161Jd-152Y
CARBON
RESISTOR
R312
QRD161J-392Y
CARBON
RESISTOR
R143
QRD161J3-471Y
CARBON
RESISTOR
|__
R313
QRD1615-332Y
|CARBON
RESISTOR
R145
QRD161J-562Y
CARBON
RESISTOR
R314
QRD161J-332Y
CARBON
RESISTOR
R151
Q@RD161J-153Y
CARBON
RESISTOR
R317
QRD161J-472Y
CARBON
RESISTOR
R152
QRD161J-105Y
CARBON
RESISTOR
R319
QRD1615-472Y
CARBON
RESISTOR
R153
QRD161J-683Y
CARBON
RESISTOR
R321
QRD161J-472Y
CARBON
RESISTOR
R154
QRD161J-123Y
CARBON
RESISTOR
R351
(QRD161J-472Y
CARBON
RESISTOR
R155
QRD161J-183Y
ICARBON
RESISTOR
|
R352
QRD161J-333Y
CARBON
RESISTOR
R156
QRD161J-560Y
CARBON
RESISTOR
R353
QRD161J-154Y
CARBON
RESISTOR
R157
QRD161J-223Y
CARBON
RESISTOR
R354
QRD149J-1005
CARBON
RESISTOR
R158
QRD161J-104Y
CARBON
RESISTOR
R391
QRD161J-273Y
CARBON
RESISTOR
R201
QRD161J-273Y
CARBON
RESISTOR
R392
QRD161J-820Y
CARBON
RESISTOR
18 (No. 4294)