SLV-ED100ME, SLV-ED100MI, SLV-ED100ML, SLV-EZ2000S, SLV-EZ2000Y, SLV-K990PS, SLV-KH9ME, SLV-KH9PS - Sony VCR Service Manual (repair manual). Page 4

Section

Title

Page

Section

Title

Page

Feature Difference ................................................................... 3
SERVICE NOTE ...................................................................... 6

1.

GENERAL

Getting Started .............................................................. 1-1
Basic Operations ........................................................... 1-4
Additional Operations .................................................... 1-8
Karaoke sing-along ....................................................... 1-12
Editing ............................................................................ 1-15
Additional Information ................................................... 1-17

2.

DISASSEMBLY

2-1.

Upper Case Removal .................................................... 2-1

2-2.

Front Panel Section Removal ........................................ 2-1

2-3.

FL-110/FR-165 Board Rotary Switch,
KR Jack Holder Removal .............................................. 2-1

2-4.

Mechanism Deck Removal ............................................ 2-1

2-5.

TU-170 Board Removal ................................................. 2-2

2-6.

Rear Panel Section Removal ........................................ 2-2

2-7.

Power Block Removal ................................................... 2-2

2-8.

MA-361 Board Removal ................................................ 2-2

2-9.

Internal Views ................................................................ 2-3

2-10. Circuit Boards Location ................................................. 2-4

3.

BLOCK  DIAGRAMS

3-1.

Overall Block Diagram ................................................... 3-1

3-2.

Servo/System Control Block Diagram .......................... 3-3

3-3.

Video (1) Block Diagram ............................................... 3-5

3-4.

Video (2) Block Diagram ............................................... 3-7

3-5.

Audio Block Diagram ..................................................... 3-9

3-6.

Karaoke Block Diagram ................................................ 3-11

3-7.

Surround Block Diagram ............................................... 3-13

3-8.

Tuner Block Diagram ..................................................... 3-15

3-9.

Mode Control Block Diagram ........................................ 3-17

3-10. Power Block Diagram .................................................... 3-19

4.

PRINTED  WIRING  BOARDS  AND
SCHEMATIC  DIAGRAMS

4-1.

Frame Schematic Diagram ............................................ 4-3

4-2.

Printed Wiring Boards and Schematic Diagrams ......... 4-9
MA-361 Printed Wiring Board ....................................... 4-9
MA-361 (Video, Audio) Schematic Diagram ................. 4-13
MA-361 (Servo/System Control)
Schematic Diagram ....................................................... 4-17
MA-361 (HiFi Audio) Schematic Diagram ..................... 4-19
MA-361 (OSD) Schematic Diagram .............................. 4-21
MA-361 (Surround) Schematic Diagram ....................... 4-23
MA-361 (I/O) Schematic Diagram ................................. 4-25
MA-361 (Power Supply) Schematic Diagram ............... 4-27
TU-170 Printed Wiring Board ........................................ 4-29
TU-170 (Tuner) Schematic Diagram ............................. 4-31
TU-170 (SIF) Schematic Diagram ................................ 4-33
RF-46 Printed Wiring Board .......................................... 4-36
RF-46 Schematic Diagram ............................................ 4-37
GK-12 Printed Wiring Board and
Schematic Diagram ....................................................... 4-39
NK-11 Printed Wiring Board and
Schematic Diagram ....................................................... 4-41
RJ-84 Printed Wiring Board and
Schematic Diagram ....................................................... 4-43
KR-33 Printed Wiring Board .......................................... 4-45

KR-33 (Karaoke 1) Schematic Diagram ....................... 4-47
KR-33 (Karaoke 2) Schematic Diagram ....................... 4-49
SR-36 Printed Wiring Board .......................................... 4-51
SR-36 Schematic Diagram ............................................ 4-53
MJ-93 Printed Wiring Board and
Schematic Diagram ....................................................... 4-55
MJ-94 Printed Wiring Board and
Schematic Diagram ....................................................... 4-57
VR-74 Printed Wiring Board and
Schematic Diagram ....................................................... 4-59
SW-329 Printed Wiring Board and
Schematic Diagram ....................................................... 4-61
FL-110 Printed Wiring Board ........................................ 4-63
FL-110 Schematic Diagram .......................................... 4-65
FR-165 Printed Wiring Board ........................................ 4-67
FR-165 Schematic Diagram .......................................... 4-69
HS-028SF Printed Wiring Board ................................... 4-71
HS-028SF Schematic Diagram ..................................... 4-73

5.

INTERFACE,  IC  PIN  FUNCTION  DESCRIPTION

5-1.

System Control-Video Block Interface
(MA-361 BOARD IC003) ............................................... 5-1

5-2.

System Control-Servo Peripheral Circuit Interface
(MA-361 BOARD IC003) ............................................... 5-1

5-3.

System Control-Mechanism Interface
(MA-361 BOARD IC003) ............................................... 5-2

5-4.

System Control-System Control Peripheral Circuit
Interface (MA-361 BOARD IC003) ................................ 5-3

5-5.

System Control-Hi-Fi Audio Block Interface
(MA-361 BOARD IC003) ............................................... 5-3

5-6.

Servo/System/Timer/Tuner/Mode Control
Pin Function (MA-361 BOARD IC003) ......................... 5-4

5-7.

Shift Resister
(TU-170 BOARD IC705) ............................................... 5-5

5-8.

NICAM Processor Pin Function
(NK-11 BOARD IC1) ..................................................... 5-6

5-9.

ZWEITON Processor Pin Function
(GK-12 BOARD IC001) ................................................. 5-6

6.

ERROR  CODES

....................................................... 6-1

7.

ADJUSTMENTS

7-1.

Mechanical Adjustments ............................................... 7-1

7-2.

Electrical Adjustments ................................................... 7-1

2-1.

Pre-Adjustment Preparations ........................................ 7-1

2-1-1. Instruments to be Used ............................................ 7-1
2-1-2. Connection ............................................................... 7-1
2-1-3. Set-up of Adjustment ............................................... 7-1
2-1-4. Alignment Tapes ....................................................... 7-1
2-1-5. Specified I/O Level and Impedance ......................... 7-2
2-1-6. Adjusting Sequence ................................................. 7-2

2-2.

Power Supply Adjustments ........................................... 7-2

2-2-1. Power Supply Check ................................................ 7-2
2-2-2. +6 V Adjustment ....................................................... 7-2

2-3.

Servo System Adjustment ............................................. 7-2

2-3-1. RF Switching Position Adjustment ........................... 7-2

2-4.

Audio System Adjustments ........................................... 7-3

2-4-1. Hi-Fi Audio System Adjustment ............................... 7-3
1.

AF Switching Position Adjustment ........................... 7-3

2.

Frequency Response Check .................................... 7-3

3.

Overall Level Characteristic and
Distortion Factor Check ........................................... 7-4

4.

Overall S/N Check .................................................... 7-4