Telefunken TV CR210 A TV CR610 A Service Manual

Page 1

TELEFUNKEN
SERVICE MANUAL

Sec. 1: Main Section Sec. 2: Deck Mechanism Section Sec. 3: Exploded views
0 Specifications 0 Standard Maintenance and Parts List Section
0 Preparation for Servicing 0 Alignment for Mechanism . Exploded views

0 Adjustment Procedures 0 Disassembly/Assembly of Mechanism 0 Parts List

0 Schematic Diagrams 0 Alignment Procedures of Mechanism

0 CBAs

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TVCR210(B)
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Page 2

MAIN SECTION

VIDEO CASSETTE RECORDER
TVCR210(B)/TVCR610(B)

Sec. 1: Main Section

0 Specifications

0 Preparation for Servicing
O Adiustment Procedures
0 Schematic Diagrams

O CBAs

TABLE OF CONTENTS

Specifications .......................................................................... 1-1-1
important Safety Precautions .............................................................. 1-2-1
Standard Notes for Servicing .............................................................. 1-3-1
Preparation for Servicing ................................................................. 1-4-1
Cabinet Disassembly Instructions .......................................................... 1-5-1
Electrical Adjustment Instructions .......................................................... 1-6-1
Block Diagrams ........................................................................ 1-7-1
Function Indicator Symbols .............................................................. 1-7-13
Schematic Diagrams / CBAs and Test Points ................................................. 1-8-1
Waveforms ............................................................................ 1-9-1
Wiring Diagram ....................................................................... 1-10-1
IC Pin Function Descriptions ............................................................. 1-11-1

Lead Identifications .................................................................... 1-12-1

Page 12

[7] Cylinder Shield
Cylinder Assembly

AC Head

[6] Main CBA

TOP VIEW From
Fr Capstan Motor
orn From Assembly

Cylinder
From AC Head

Assembly
FE Head Assemb'y Lead with

Wl/blue stripe
I

Printing
. Lead with side
Lead with blue stripe
blue stripe
Desolder
from bottom

Lead connections of Deck Assembly and Main CBA

Fig. 5

1-5-3

Pin
SW507
LD-SW
6
[6] Main CBA
[5] Deck Assembly
\ Cam Gear
\ Hole
Shaft
Hole
LD-SW \ Pin
: fi/ [6] Main CBA
-/
Fig. 6
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Page 32

Main CBA Bottom View

CAUTION I
For continued protection against fire hazard,
replace only with the same type fuse.

NOTE :
The voltage for parts in hot circuit is measured
using hot GND as a common terminal.

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CAUTION I

Fixed voltage ( or Auto voltage selectable ) power supply circuit is used in this unit.
It Main Fuse (F1001) is blown, check to see that all components in the power supply
circuit are not defective before you connect the AC plug to the AC power supply.
Otherwise it may cause some components in the power supply circuit to tail.

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BECAUSE A HOT CHASSIS GROUND IS PRESENT IN THE POWER
SUPPLY CIRCUIT , AN ISOLATION TRANSFORMER MUST BE USED.
ALSO , IN ORDER TO HAVETHE ABILITYTO INCREASE THE INPUT
SLOWLY ,WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY
CIRCUIT , A VARIABLE ISOLATION TRANSFORMER IS REQUIRED.

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Page 50

REMOVAL INSTALLATION

STEP START-
REMOVE/*UNHOOK/
"he? '3: PART Fig. No. UNLOCK/RELEASE] Aggfigmgw
' ' UNPLUG/DESOLDER
Loading Arm (SP) (+)Refer to Alignment
[34] [26] Assembly B DMZDMM Sec.Pg.2-4-8
Loading Arm (TU) (+)Refer to Alignment
[35] [34] Assembly B DM2DM14 Sec.Pg.2-4-8
[36] [16],[26] 3'45 (TU) Assemb'y T DM1,DM15
[37] [2],[26] 3'43 (SP) Assemb'y T DM1,DM15 *(P-6)
[38] [37] Tension Lever Assembly T DM1,DM15
[39] [38] T Lever Holder T DM15 *(L-10)
[40] [40] M Gear (HI) T DM1,DM15 (0-6)
[41] [15],[40] Sensor Gear (HI) T DM1,DM15 (C-7)
[42] [36],[40] Reel T T DM1,DM15
[43] [38] Reel 8 T DM1,DM15
[44] [34],[38] Movmg G.ide S T DM1,DM16
Preparation
[45] [35] M°"'9 Gu'de T T DM1,DM16
Preparation
[46] [19] TG Post Assembly T DM1,DM16 *(L-11)
(+)Refer to Alignment
[47] [27] Rack Assembly R DM17 Sec.Pg.2-4-8
[48] [47] F Door Opener R DM17
[49] [49] Cleaner Assembly T DM1,DM6
[50] [49] CL Post T DM6 *(L-12)
I I I I I I I
(1) (2) (3) (4) (5) (6) (7)

(1): Follow steps in sequence. When reassembling, follow the steps in reverse order.
These numbers are also used as identification (location) No. of parts in the figures.

(2): Indicates the part to start disassembling with in order to disassemble the part in column (1).

(3): Name of the part

(4): Location of the part: T=Top B=Bottom R:Right L:Left

(5): Figure Number

(6): Identification of parts to be removed, unhooked, unlocked, released, unplugged, unclamped, or desoldered.
P=Spring, W=Washer, C=Cut Washer, S=Screw, *=Unhook, Unlock, Release, Unplug, or Desolder
e.g., 2(L-2) = two Locking Tabs (L-2).

(7): Adjustment Information for Installation
(+):Refer to Deck Exploded Views for lubrication.

* [22 ] F Brake Assembly (HI) is not used in 2 head model.

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