Aiwa HV-E212 User manual

S/M Code No.0112 DATE OF ISSUE 11/1992 -!
wecdacieas HV-E212
HV-E2/5
SERVICE
HV-E1010
MANUAL
VIDEO CASSETTE PLAYER
SH, SE (E212) DKKE (E275)
e
BASIC
VIDEO
MECHANISM
:
TN
—
5900
e
TYPE.
DH,
DHKD,
SE
(E1010)
AIWA CO.,LTD. | Tokyo Japan
Printed in Japan

TABLE OF CONTENTS
MESTANDARD
MAINTENANCE
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4
1.
SERVICE
SCHEDULE
OF
COMPONENT
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2. CLEANING cc ccc 4
BISERVICE
JIG”
AND’
TOOUS:.
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1. SERVICE JIG AND TOOLS PU ee eRe eee eee eee eRe eee eee me mee heme eee eee ee eee ee eee ee meee ee eee eee eee ee 5
2.
HOW
TO
ASSEMBLE
THE
JIGS
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3. HOW TO USE THE JIGS Cc 7
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DISASSEMBLY.
“INSTRUCTIONS
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8~20
MEELECTRICAL
MAIN
PARTS
LIST
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ME
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ILLUSTRATION
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MEPRACTICAL::
SERVICE
FIGURE
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. BLOCK DIAGRAM — 1 (VIDEO SECTION) PAO e eee ete eee rem meee emer meer rece reer eee ree e een arene eee eter etnnse 25~26
+ BLOCK DIAGRAM ~2 (SERVO//SYSTEM CONTROL. SECTION) -erc rec c eer ee ete ete eter ene tense tenet ence een ennans 27~28
. BLOCK DIAGRAM = 3 (POWER UNIT SECTION) Ce 29
WWIRE
HARNESS
DIAGRAM
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—1
(VIDEO
SECTION)
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MEWIRING
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“AUDIO
SECTION)
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BMESCHEMATIC
DIAGRAM
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(VIDEO
—1
SECTION)
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MESCHEMATIC
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SECTION)
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MESCHEMATIC
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MESCHEMATIC
DIAGRAM
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(SERVO//SYSTEM
CONTROL
SECTION)
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43~45
BESCHEMATIC
DIAGRAM
—5
(FRONT
SECTION)
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HESCHEMATIC
DIAGRAM
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(HEAD
SECTION)
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MECHANISM
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BESYSTEM:
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BRIG:
DESCRIPTION
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SPECIFICATIONS
Playback system Operating temperature
Video: rotary 2 heads helical scan system 5°C - 40°C
Audio: fixed head Input/output
Video signal
PAL/MESECAM color signal,
625 lines, 50 fields
Playback time
4 hours max. with E-240 tape, standard speed
Usable cassette
VHS video cassette
Tape width
12.65 mm
Tape speed
Standard speed, 23.39 mm/sec.
HV-E1010DH
RF output
UHF channel between 30 and 39,
K or | PAL output
HV-E212SH
RF output
VHF channel 3 or 4,
B PAL/B SECAM output
HV-E212SE/E1010SE
RF output
UHF channel! between 32 and 40
G PAL/G SECAM output
HV-E2750K
RF output
UHF channel between 30 and 39,
G PAL/G SECAM,
K PAL/K SECAM output
Video output
1.0 Vp-p, 75 ohms unbalanced
Audio output
-8 dBs, 3.3 k ohms, unbalanced
Audio output (AUDIO OUT): phono jack (1)
Video output (VIDEO OUT): phono jack (1)
Antenna input (AERIAL): IEC connector,
75 ohms (1)
Antenna output (RF OUT): IEC connector,
75 ohms (1)
HV-E10100H
Power requirements
220 V AC, 50/60 Hz
HV-E212SH
Power requirements
120/220 ~ 240 V AC, 50/60 Hz
HV-E212SE/E1010SE
Power requirements
230 V AC, 50 Hz
HV-E275DK
Power requirements
120/220 — 240 V AC, 50/60 Hz
Power consumption
25 watts
Dimensions
360 (W) x 95 (H) x 292 (D) mm
(1414 x 35/4 x 11/2 in.)
Weight 4.6 kg (10.12 Ibs.)
@ Design and specifications are subject to change without notice.

STANDARD MAINTENANCE
1. SERVICE SCHEDULE OF COMPONENT
©; Check @ : Change
ae a a ee
| 22 ~=| UPPERDRUM CU COC COU CUO
| 46 ~~—«| ~PINCHROLLERA CCC COC tC
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[30]: REELASSY ed tC“(‘iN
NOTE : operating the unit.
1. Clean all parts for the tape transport.
Upper Drum with video head/Pinch Roller
A/ACE Head
2. CLEANING
1. Cleaning of “Video Head” (See Figure — 1)
Head cleaning by using a chamois skin.
— Procedure —
1) Remove the “Cabinet, Steel”.
2) Put on a glove (thin type) to avoid touching the
“Upper Drum”and “Lower Drum”with bare hand.
3) Put a few drops of alcohol on the chamois skin,
and by slightly placing it against the “Head Tip”,
allow the “Upper Drum”to turn the right and left.
— Remark —
1) The video head is a very hard material, but since
it is very thin, avoid cleaning it vertically.
2) Wait for the cleaned part to dry out, before
operating the unit.
3) Do not reuse stained chamois skin.
2. Cleaning of “ACE Head” (See Figure — 2)
Head cleaning by using a chamois skin.
— Procedure —
1) Remove the “Cabinet, Steel”.
2) Put a few drops of alcohol on the chamois skin,
clean up the “Audio Control Head”, being careful
not to damage the “Upper Drum” and other tape
running parts.
— Remark —
1) Avoid cleaning “ACE Head” vertically.
2) Wait for the cleaned part to dry well, before
operating the unit.
2. After cleaning up the parts, perform all DECK
ADJUSTMENT.
Fig-l
nee ACE Head
i |

SERVICE JIG AND TOOLS
1. SERVICE JIG AND TOOLS
Torque Meter (FSJ-VHT-063) Tape Back Tension Check
i
J-8
J-9
=
Alignment Tape (TTV-P1) A/C Head Height/Tilt Adjustment
Box Driver M3 Tape Guide/A/C Head Height Adjustment
| 3:8 | VCREXTCONNKIT (Parts No. 09-054-021-010) Extension JIG for Front C. B
| 39 [| EXT PCBKIT (Parts No. 09-054-012-010) Extension JIG for Head C. B
gm, I= 5,6 de
ya ae eae J-8

2. HOW TO ASSEMBLE THE JIGS
1, Assembling the J ~-8 (See Figure — 1)
FFC, 13P1N
SQ
FFC, 15PIN
FFC, 11PIN
ss
>
|
<>
j
FROM
2
/
MAIN
CIRCUIT
BOARD
CONN, 15PIN
e a CONN, 13PIN
CONN, 1IPIN
Y,
\
ESS
i
ge
CONN,
15PIN
AS
2
(.
A
CONN,
13PIN
FRONT
CIRCUIT
BOARD
CONN, 11PIN
3%
Be
careful
of
the
direction
Fig
-
1
Place the circuit boards as shown in the figure above and assemble the connectors assembly and connectors, taking care
of their directions.
2. Assembling the J~9. (See Figure — 2)
TO [C] HEAD C.B CON1O1
TO (JJ RELAY C.B-4 PIN1OL
Fig - 2
Place the circuit board with the solder side down as shown in the figure above and assemble the connectors, taking
care of their direction.

3. HOW TO USE THE JIGS
1. Using the J—8 (See Figure — 1)
Use these jigs when the “Main C. B” is lifted for servicing and adjustment.
2. Using the J-—9 (See Figure — 2)
Head C.B
_
pitas
PIN1O1
Use this jig when serving the “Head C. B”.
Front C.B
Fig - 1
Fig-2

DISASSEMBLY INSTRUCTIONS
1.
“Cabinet,
Steel”
And
“Cabinet
Front
ASSY”
Removal
3.
“Mechanism
ASSY”
Removal
(See
Figure
—
3)
(See
Figure
—
1) 1)
Remove
1
screw
(@))
and
the
“Head
C.
B’.
1)
Remove
2
screws
and
the
“Cabinet,
Steel”.
2)
Remove
3
screws
(@))
and
the
“Mechanism
ASSY”.
2)
Release
5
hooks
and
remove
the “Cabinet
Front
ASSY”.
Cab
inet,
Stee!
we
ce
%,
OS
Cabinet
wa
Front
Assy
Hooks
S
Fig
-
1
2.
“Main
C.
B”
Removal
(See
Figue
—
2)
Fig
-
3
1) Remove 5 screws ((A) x2, (8) x3) the “Main C. B”,
Fig - 2

4, “Front Loading ASSY” Removal (See Figure — 4)
5.
1) Remove “Main Belt”.
2) Remove 4 screws @).
3) Release the hooks on both sides and remove the “Front Loading ASSY”. (Since it is difficult to release these
hooks, hold the front of the “Front Loading ASSY” and shake it up and down to release them.)
“Cassette Load Bracket ASSY” Removal (See Figure — 4)
1) Remove 1 screw @).
2) Take off the “Cassette Load Bracket ASSY”.
(A)
Front
Loading
ASSY
Cassette Load Bracket ASSY
Right Side Hook
(
(
Chassis
Main Belt
Fig.-4

6. “Photo Sensor ASSY” Removal (See Figure — 5)
6-1. “Lamp Holder ASSY” Removal
1) Remove 1 screw @ and take off the “T Soft Brake ASSY”’, “T — Spring, Soft Brake Arm”.
2) Release the “Lamp Holder ASSY” from hook (a) of the chassis and turn it counterclockwise to remove it from
the chassis.
6-2. “Switch C. B", “Sensor Guide” and “Start Sensor C. B” Removal
1) Remove 1 screw ((B)) and take off the “Switch C. B”.
2) Remove 1 screw © and take off the “Sensor Guide”.
3) Remove 1 screw @) and take off the “Start Sensor C. B”.
6-3. “Sensor Guide” and “End Sensor C. B” Removal
1) Remove 1 screw (E)) and take off the “Sensor Guide”.
2) Remove 1 screw ©) and take off the “End Sensor C. B”.
Sensor C. B Sensor Guide
LMASSY \,
&)
Switch C. B
Sensor Guide
End Sensor C. B
Start Sensor C. B
@*— T Soft Brake Arm Collar
T Soft Brake ASSY Sensor C. B RM ASSY
T-Spring, Soft Brake Arm 2~]
Hook (a)
yy
Lamp
Holder
ASSY
(!
~, =
4
gb
Fig.-5
10

7. “Tape Guide Flange A” and “ACE Head” Removal (See Figure — 6)
l. “Tape Guide Flange A” Removal
1) Remove Nut @).
2) Take out the “Impedance Reller” and pull up the “Tape Guide Flange A”.
2. “ACE Head” Removal
1) Remove 2 screws (@)x 1, (Ox 1) and “Azimuth Spring”.
2) Remove 1 screw (@)) and “ACE Head”.
@.
(a)
= Impedance Roller (8)
Azimuth Spring and; (C)
2 &
Tape Guide Flange A —t
©
|
Tape Guide Flange a ACE Head gD)
J
ay
ea
Ner
Nut
& i)
Plane Washer 3 x 8 x 0.5
Impedance Roller a,
Head Base
s-- Tracking Adjuster
Head Spring
a
Fig.-6
11

8. “Reel Drive Gear” Removal (See Figure — 7)
1) Remove the “Front Loading ASSY”.
2) Remove “Drive Belt”.
3) Remove Poly — Washer @ and “Middle Pulley ASSY”.
4) Remove 3 screws (@)x 1, ©x 2) and take off the “Sub Plate ASSY”.
5) Remove Nylon — Washer @) and take off the “Clutch ASSY”.
6) Remove 1 screw © and take off the “T —Spring, Soft Brake Arm”.
7) Take off the “T Soft Brake ASSY”.
8) Remove 2 “E — Rings ©)" and take off the 2 “Reel Drive Gears”.
ports =a i T Soft Brake Arm Collar
— ©O'g
7
& 3 ! T Soft Brake ASSY
s 7]
“© Fi Ss
¢ |
{ ‘s
| 3 Se T-Spring, Soft Brake Arm
I >) a y
Nylon-Washer 3.1 x 6 x 0.3 | |
Se ja Sub Plate ASSY
i reap | . \
| [ ita, Lae 7)
Wave-Washer | cic haeaniee | oe Wave-Washer
i
!
! | '
! 3) Reel Drive Gear
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O
| 1
I I
7
Middle Pulley ASSY
Fig.-7

9. “BT Band ASSY” And “BT Arm Semi ASSY* Removal (See Figure — 8)
1) Remove the “Front Loading ASSY”.
2) Remove Poly — Washer @ and “BT Actuate Plate Spring” from the “BT Arm Semi ASSY”.
3) Remove 1 screw @» and “Band Holder Spring”.
4) Take off the “BT Band ASSY” from the “BT Arm Semi ASSY”.
No
Band
Holder
Collar
Band
Holder
Spring
.
BT
Band
ASSY
yr
BT
Arm
Semi
ASSY
3
a
|
J
BT Actuate Plate Spring
Fig.-8
10. “Reel ASSY” Removal (See Figure — 9)
1) Remove the “Front Loading ASSY”, “Gear Holder ASSY” and “BT Band ASSY”.
2) Remove 1 screw @ and the “Back Tension Support”.
3) Remove the 2 “Reel ASSY”.
1 ea Back Tension Support
Reel ASSY |
Reel ASSY
Fa Poly-Wash
Poly-Washer £ iS, prlenanee
eee
Fig.-9

11. “Cylinder ASSY” Removal (See Figure ~ 10)
1) Remove the “Front Loading ASSY”.
2) Pull out the “RELAY C. B-5” from the “Cylinder Motor TM85.”
3) Remove 1 screw @) and take off the “Drum Earth’.
4) Remove 3 screws (B)) and take off the “Cylinder ASSY”.
= Remarks =
Take off the “Cylinder ASSY” carefully without any damage.
Drum Earth
Cylinder Motor TM85
Cylinder ASSY
RELAY C.B -5
Fig.-10

12. “Upper Drum” Removal (See Figure — 11)
1) Remove the “Front Loading ASSY”.
2) Remove 1 screw @ and take off the
“Drum Earth Bracket”.
3) Remove 2 screws (B)) and take off the
“Upper Drum” in the direction of the arrow.
Upper Drum
Blue/Head
Upper
Drum
+
Red/Head
Fig.-11
= Remark =
1. Use gloves and do not touch the drum surface with
®
bare fingers.
Video Head (CH1)
2. If the Video head is defective, replace the complete
Upper Orum
“Upper Drum” with the Head.
3. When installing “Upper Drum” and “Rotor”, “Upper
Drum” point @, “Lower Drum” point @ and “Rotor”
point ©, these point @, ©, © must line up each other.
Otherwise it will creates problem. (See Figure — 11-1)
Video Head (CH2)
Lower Drum
P.C.Board
PG Magnet (N)
©
PG Magnet (S)
Seal
Rotor
Fig.-11-1
15

13. “Cylinder Motor TM85" Removal (See Figure — 12)
1) Pull out the “RELAY C. B-—5” from the “Cylinder
Motor TM85”.
2) Remove 2 screws @ and take off the “Cylinder
Motor TM85a”.
3) Remove 3 screws @®) and take off the “Cylinder
Motor TM85b”. Cylinder Motor TM85a
S
©
(#
Orum Earth Bracket
RELAY C.B - 5
Video Head (CH-1)
(WHITE) Cylinder Motor TM85b
Drum Earth
PG Magnet (S)
Cylinder
Motor
TM85
(Black)
Rotor
oa
Fig.-12
14, “Capstan Motor ASSY” and “LM ASSY” Removal
(See Figure — 13)
1. “Capstan Motor ASSY” Removal
1) Take off the “Drive Belt” and “Main Belt”.
2) Remove 2 screws @) and take off the
“Capstan Motor ASSY”.
2. “LM ASSY” Removal
1) Take off the “Fl Belt”.
2) Remove 2 screws (B)) and take off the
“UM ASSY”. Capstan Motor ASSY
LM ASSY
Main Belt
Drive Belt
F§g.-13

15. “Loading Gear” and “Loading Cam” Removal (See Figure — 14)
1) Take off the “Loading Belt” from the “Loading Pulley”.
2) Remove Poly — Washer @) and take off the “Loading Pulley”.
3) Remove Poly — Washer @) and take off the “Loading Gear”.
4) Remove Poly — Washer © and take off the “Eject Actuate Arm” and the “Brake Actuate Arm”.
5) Remove 2 screws ©). and take off the “Loading Lever Reinforce Plate” and the “Loading Lever ASSY”.
6) Take off the “Loading Cam”.
Loading Lever Reinforce Plate @ (0)
Loading Lever ASSY
Loading Cam
Loading Gear
Loading Belt
Fig.-14
17

16. “Flywheel Capstan” Removal (See Figure — 15)
1) Remove the Nylon — Washer @).
2) Take off the “Drive Belt” and “Main Belt”.
3) Remove 2 screws @®) and take off the “FL Angle ASSY”.
4) Take off the “Flywheel Capstan”.
= Remark =
Do not miss the Poly — Washer © when pulling out the “Flywheel Capstan”.
5
‘ |
<0(@)
®
Flywheel Capstan
©u
Main Bek
a
Drive Belt A
||
|
Ay
18
Fig.-15

17. “Reel Sensor” Removal (See Figure — 16)
1) Remove “Front Loading ASSY” and the “Gear Holder ASSY”.
2) Remove “Reel ASSY”.
3) Remove “Reel Sensor”. Rosi Agsy.
Fig.-16
18. “Loading Base Semi ASSY” Removal (See Figure — 17)
1)
Remove
“Cylinder
ASSY”,
“BT
Arm
Semi
ASSY”,
“BT
Band
ASSY”
and
“Front
Loading
ASSY”.
2) Remove 1 screw (A)) and “L Gear Plate Collar”, “L Gear Plate”.
3) Remove 2 screws ©).
4) Take off the “Loading Base Semi ASSY”.
= Remark =
When installing the “L Gear Plate”, align markings @ on the
“T Loading Gear L” and “L Gear Plate”.
T Loading Gear L
£eXodo
- Marking @
L Gear Plate
co
Bottom View
L Gear Plate
¢
J
ae L Gear Plate Collar
é Fig.-17
@® '
19
4
3
;

19. “Wormwheel ASSY” Removal (See Figure — 18)
1, Disassembly
1) Remove “Front Loading ASSY”.
2) Remove “Cassette Load Bracket ASSY”.
3) Remove E — Ring @).
4) Remove “Wormwheel ASSY.” (“Wormwheel”, “Friction Spring”, “Friction Gear”)
2. Assembly
1) Turn the “Lift Gear R” fully counterclockwise.
2) Restore “Wormwheel ASSY” to the stud.
= Remark =
Match “Lift Gear R” to the “Wormwheel Hole” as illustrated.
Front Loading ASSY
Friction Gear
Lift Gear R
Wormwheel ASSY
Lift Gear R
Wormwheei
Wormwheel Hole
20
Stud
Friction Spring
Wormwheel
Fig.-18