SLV-K867CH, SLV-K867PS, SLV-K877MN, SLV-K877PS, SLV-K877TK, SLV-KH7ME, SLV-KH7PS, SLV-KH7TK - Sony VCR Service Manual (repair manual). Page 3

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1.

“S” MECHANISM  EMERGENCY MODE
INDICATION ····································································· 5

1-1.

Function ·············································································· 5

1-2.

Indication ············································································ 5

2.

EXTENSION CABLES FOR REPAIRING
KR-33/34 BOARD ····························································· 7

3.

HOW TO REPLACE A ROTARY UPPER DRUM ··········· 8

3-1.

HOW TO REMOVE A ROTARY UPPER DRUM ············ 8

3-2.

HOW TO ATTACH A NEW ROTARY
UPPER DRUM ··································································· 8

Getting Started

Unpacking ··············································································· 1-1
Setting up the remote commander ·········································· 1-1
Connecting the VCR ······························································· 1-1
Tuning your TV to the VCR ···················································· 1-2
Setting up the VCR with EASY SET UP ································ 1-2
Manual setup — Selecting a Language ·································· 1-3
Manual setup — Presetting channels ······································ 1-3
Manual setup — Setting up G-CODE
(SLV-K877MN/PS only) ························································· 1-4
Manual setup — Changing disabling programme positions
(SLV-K877MN/PS only) ························································· 1-5
Manual setup — Setting the clock ·········································· 1-6

Basic Operations

Playing a tape ·········································································· 1-6
Recording TV programmes ····················································· 1-7
Recording TV programmes using G-CODE
(SLV-K877MN/PS only) ························································· 1-8
Setting the timer manually ······················································ 1-9

Additional Operations

Playing/searching at various speeds ······································ 1-10
Recording TV programmes using the quick timer ················ 1-10
Checking/changing/cancelling timer settings ······················· 1-10
Recording stereo and bilingual programmes ························ 1-11
Karaoke sing-along ······························································· 1-11
Searching with the AMS or index function ··························· 1-14
Enjoying the surround sound (Virtual Sound) ······················ 1-14
Adjusting the picture ····························································· 1-15
Changing menu options ························································ 1-15

Editing

Connecting to a VCR or stereo system ································· 1-15
Basic editing ·········································································· 1-15
Audio dubbing ······································································ 1-16

Additional Information

Index to parts and controls ···················································· 1-16

2-1.

UPPER CASE, FRONT PANEL BLOCK ASSEMBLY · 2-1

2-2.

DM-69/70, HI-56, MF-307, SW-294/295 BOARDS ······ 2-1

2-3.

POWER BLOCK, REAR PANEL, BOTTOM PLATE ··· 2-2

2-4.

MECHANISM DECK, KR-33/34, SR-26/27 BOARDS 2-2

2-5.

INTERNAL VIEWS ························································ 2-3

2-6.

CIRCUIT BOARDS LOCATION ··································· 2-4

3-1.

OVERALL BLOCK DIAGRAM ···································· 3-1

3-2.

VIDEO BLOCK DIAGRAM ·········································· 3-4

3-3.

AUDIO BLOCK DIAGRAM ·········································· 3-7

3-4.

KARAOKE-1 BLOCK DIAGRAM ······························ 3-10

3-5.

KARAOKE-2 BLOCK DIAGRAM ······························ 3-13

3-6.

SERVO/SYSTEM CONTROL BLOCK DIAGRAM ··· 3-15

3-7.

MODE-1 BLOCK DIAGRAM ····································· 3-17

3-8.

MODE-2 BLOCK DIAGRAM ····································· 3-19

3-9.

TUNER BLOCK DIAGRAM ······································· 3-21

3-10. POWER SUPPLY BLOCK DIAGRAM ······················· 3-23

4-1.

SLV-K867/K877 FRAME SCHEMATIC DIAGRAM ···· 4-1

4-2.

SLV-KH7 FRAME SCHEMATIC DIAGRAM ··············· 4-3

4-3.

PRINTED WIRING BOARDS AND SCHEMATIC
DIAGRAMS ···································································· 4-6

• MA-306 (MAIN) PRINTED WIRING BOARD ········· 4-7
• MA-306 (REC/PB AMP)

SCHEMATIC DIAGRAM ····························· 4-11

• MA-306 (VIDEO, AUDIO)

SCHEMATIC DIAGRAM ····························· 4-16

• MA-306 (SERVO/SYSTEM CONTROL)

SCHEMATIC DIAGRAM ····························· 4-19

• MA-306 (I/O, TUNER) SCHEMATIC DIAGRAM ·· 4-23
• SR-26/27 (SURROUND)

PRINTED WIRING BOARDS ······················ 4-26

• MA-306 (SURROUND), SR-26/27 (SURROUND)

SCHEMATIC DIAGRAM ····························· 4-27

• MA-306 (POWER SUPPLY)

SCHEMATIC DIAGRAM ····························· 4-31

• KR-33 (KARAOKE) SCHEMATIC DIAGRAM ······ 4-32
• KR-33 (KARAOKE) PRINTED WIRING BOARD ·· 4-35
• KR-34 (KARAOKE) PRINTED WIRING BOARD ·· 4-37
• KR-34 (KARAOKE) SCHEMATIC DIAGRAM ······ 4-39
• MF-307 (MODE CONTROL)

PRINTED WIRING BOARD ························ 4-44

• MF-307 (MODE CONTROL)

SCHEMATIC DIAGRAM ····························· 4-47

• SW-294 (KARAOKE SWITCHES)

PRINTED WIRING BOARD ························ 4-49

• SW-294 (KARAOKE SWITCHES)

SCHEMATIC DIAGRAM ····························· 4-51

• HI-56 (MODE CONTROL)

PRINTED WIRING BOARD ························ 4-54

• HI-56 (MODE CONTROL)

SCHEMATIC DIAGRAM ····························· 4-57

• SW-295 (KARAOKE SWITCHES)

SCHEMATIC DIAGRAM ····························· 4-60

• SW-295 (KARAOKE SWITCHES)

PRINTED WIRING BOARDS ······················ 4-63

• DM-69/70 (OPERATION SWITCHES),

MJ-83/84 (MIC JACKS)

PRINTED WIRING BOARDS ······················ 4-66

• DM-69/70 (OPERATION SWITCHES),

MJ-83/84 (MIC JACKS)

SCHEMATIC DIAGRAM ····························· 4-69

• POWER BLOCK HS-828SF

(SWITCHING REGULATOR)

PRINTED WIRING BOARD AND
SCHEMATIC DIAGRAM ····························· 4-73

5-1.

SYSTEM CONTROL —
VIDEO BLOCK INTERFACE
(MA-306 BOARD IC161) ··············································· 5-1

5-2.

SYSTEM CONTROL —
SERVO PERIPHERAL CIRCUIT INTERFACE
(MA-306 BOARD IC161) ··············································· 5-1

5-3.

SYSTEM CONTROL —
MECHANISM INTERFACE
(MA-306 BOARD IC161) ··············································· 5-2

5-4.

SYSTEM CONTROL — SYSTEM CONTROL
PERIPHERAL CIRCUIT INTERFACE
(MA-306 BOARD IC161) ··············································· 5-2

5-5.

SYSTEM CONTROL —
Hi-Fi AUDIO BLOCK INTERFACE
(MA-306 BOARD IC161) ··············································· 5-2