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SAFETY
PRECAUTIONS
Hitachi
replacement
parts.
be
replaced
with
other
makers'.
shock.
ENGLISH
CONTENTS
7 CHAPTER
14. J
7 CHAPTER
3 4]
rN
es ee
baie Ew aAs PSS
woes
te
SERVICING POSITIONS ............
cece eee eens E3-1
IN OF FEATURE: o ccccc's b2oceccre ewswioieg
fo'esdesie
-
+s
2
COMPARISON OF MAIN CONTROL ICs... 1.1.2.2), Bieg
Peele er ete ENO aaa epetesi us re tetas a
WHEN USING THIS SERVICE REFERENCE MATERIAL .. E1-4
ts
nel
the blue
&
rie
ca ag
SERVICE MANUAL ABBREVIATION LIST ............ E1-5
OO
oe, ee ie eee
ae
LEADLESS (CHIP) COMPONENT IDENTIFICATION .... E1-7
eee
pa
ae
uence een
53-9
LE 'ADLESS
CHIP
COMPONENT
:
MOGO®
eo cectha. See Ki oreceib 2s 3
REMOVAL /REPLACEMENT
E1-10
4, To set the sensor door to the
TC RENOVAL/REBLACEMENT ooo cocoa BI-10
5, Touse the WR with the' censor' doar' 777
She
aes
open (Door open mode) .............-250.4 E32
E
/ CHAPTER
27 |
gr EcTRIC CIRCUIT ADJUSTMENT ........0.0sese0 B3-2
DISASSEMBLY
Test equipment and tapes necessary for
Ne NAMES AND oe
OF CIRCUIT BOARDS ... E2-1
AA FUSTMENE:
peso ise see ase bore, ieie cia. cis eab-enasoraies outs . E3-2
. CASE REMOVAL .........
ccc cece eee e eee eeee . E2-1
Cautions on adjustments ............ccceeeee . E3-2
he Ay Cover idsa oped avai bio ave Cece. cpecere laters ae aie me
Adjustment Parts Locations .............0000%
E3-3
ttom
Cover
7
~ D U O L L U O I M
UVOVEL
een
e seer eece ener eneerarevnesese
7
: a
CIRCUIT
ADJUSTMENTS
pceont Fence sees e eee cent een e sree eeecens ni
- 1 ,
Head Switching Point Adjustment ....... . E3-5
B Gancoe Dorit
ice cata aea E2-2
122 X-Value Adjustment ............c.ce ee ee . E3-5
3. CIRCUIT BOARD REMOVAL 2122722 222D2DTITE2 E2-2
1-3, Vert, Jitter Adjustment ...........+.., - E36
1 FSW(Front. SW) and
EY
iat
ace
sa
FJK(Front Jack) Boards .............68.
E2-2
1-5
Foreeed Sion
SUS EISEN
a asaia at di wea 5 7
: ee tinea BLOCK
......esee seers
oe
' Tracking Preset Adjustment ..........., . E3-6
4
N&A
Nicam/A2) sec Pe
2-3
2. VI IDEO
CIRCUIT
ADJUSTMENT
5 RIK Rear (nek) Hoan.
cc eee
E2-3
9-1. E-E Video Output Level Adjustment ...., . E3-7
6. PRE
Pre
Amp/Head
SW)
Board Chg
ep
eaeg ee
E2-4
2-2,
S- -VHS
REC- Y
Level
Adjustment
ewer
eee
nes
o
E3-7
TWVC (Y/CAPONE)" vac aicd care eae
2-4
2-3, S-VHS PB-Y Level Adjustment ........... . E3-7
f Rivenhres ae
nenecerssiare cage
ae
2-4 S—vils Playback Ls Adjustment ......, 3 ma
Pe
ee
ee ed
a
-5,
qualizer
justment
eiana cuasenseed
a
BROCE SUDDIY, Eoeidl coscenptaenieceser ects El-4
9-6! SP PM Equalizer Adjustment 11277122277) 1 B3+8
2-7. Rec Chroma Level Adjustment .........., . E3-9
2-8, VHS Playback Level Adjustment ........, . E3-9
3. AUDIO CIRCUIT ADJUSTMENTS
3-1, Carrier Frequency Adjustment .........,
E3-10
3-2. Audio Bias Level adjustment ...........
E3-10
4, TIMER CIRCUIT ADJUSTMENT
4-1, Level Meter Adjustment ...............,
E3-10
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