Sony SLV-789HF - Manual (Page 2)

TABLEE OF
SERVICE NOTE
I. HRROR CODE INDICATION
1 c
/■
\
L ^
M
I -2
1-9
1-9
-I I
-12
-14
1. GENERAL
Gelling Slaricd
U ipacking ...............................................................................
Selling up Ihe reinóle commander.....................................
Hookups ...................................................................................
Seleeling a language..............................................................
Selling llie clock....................................................................
Selling up ihe cable box eonlrol.......................................I
I’leselling channels.............................................................. I
Selling up lire VCR Plus-t- GOLD system ...................I
Basie Operalions
Playing a lape....................................................................... 1-16
Recording TV programs.....................................................1-17
Loealing a channel by Slation ID.................................... 1-18
Recording'TV programs using
ill." VCR Plus-r GOLD syslem ....................................... 1-18
Silling Ihe timer manually ................................................ 1-19
Addit onal Operations
Playing/searehing at various speeds............................... 1-20
Searching for a selected point on the tape.....................1-20
Skip-searching automalieall}............................................1-21
Creating ;i favorile channel list with Slation ID..........1-21
Recording TV programs using the dial timer................1-22
Setling the recording duration time.................................1-22
(’heeking/ehanging/eanceling timer sellings................ 1-22
Recording stereo and bilingual programs ..................... 1-22
Si-arching using the index function................................ 1-24
AiJiusting the picture..........................................................1-24
Changing menu options...................................................... 1-25
Frditing with another VCR................................................ 1-25
Addit onal inlornialion
G'.’iieral setup infonnation............................................... 1-26
Index to parts and controls ...............................................1-26
2. DISASSEMBLY
2-1. CASH, FRONT PANEL Bl.OCK ASSEMBLY..........2-1
2-2. ME-216 BOARD, DM-84 BOARD, Dl-71 BOARD..2-1
2-2. REAR PANEL................................................................... 2-2
2-4. MA-,242 BOARD ............................................................ 2-2
2-5. MECHANISM DECK...................................................... 2-2
2-6. INTERNAL VIEWS......................................................... 2-4
2-7. CIRCUIT BOARDS LOCATION..................................2-5
3. BLOCK DIAGRAMS
.2-1. OVERALL BLOCK DIAGRAM................................... .2-1
2-2. VIDEO Bl.OCK DIAGRAM...........................................2-2
2-2. SERVO/SYSTEM CONTROL/TUNER
BLOC’K DIAGRAM ........................................................2-5
2-4. AUDIO BLOCK DIAGRAM.......................................... 2-7
2-5. POWER BIXX'K DIAGRAM.........................................2-9
4. PRINTED WIRING BOARDS AND
SCHEMATIC DIAGRAMS
4 1. FRAME SC’HEM.ATK' DIAGRAM............................ 4-2
4-2. PRIN TED WIRING BOARDS AND SCHEMATIC
DIAGRAMS........................................................................ 4-5
• MA-242 (VIDEO. AUDIO. SERVO/SYSTEM
CON'TROL.TUNER) PRIN TED WIRING BOARD 4 5
• MA-242 (1/8) (RLCVPB AMP) SCHEMATIC
DIAGRAM ..................................................................... 4-7
• MA-242 (2/8) (VIDEO/AUDIO) SniHMATIC
DIAGRAM ..................................................................... 4-9
• MA-242 (.2/8) (SERVO/SY.STEM CON'TROL)
cr M 11 . N 1 A'l'U ' I V I \ CM) \ \ 1 II
CONTENTS
• MA-,242 (5/8) ( TUNER) SCHEMATIC
DIAGRAM ..................................................................4-15
• MA-,242 (6/8) (FRONT) SCHEMATIC
DIAGRAM ..................................................................4-17
• MA-242 (7/8) (POWER SUPPLY) SC’IIEMATIC
DIAGRAM ..................................................................4-19
• MA-,242 (8/8) (V SET) SCTIEMA'TIC DIAGRAM •4-21
• DM-84 (TAPE OPERATION) PRINTHT)
W'lRlNG BOARD ..................................................... 4-22
• DM-84 ( TAPE OPERATION) SC'HFIMATIC
DIAGRAM ................................................................. 4-24
• MF-216 (POWTIR, E.IFXT SWIl’CH) PRIN TED
WIRING BOARD ..................................................... 4-25
• MF-216 (POWER, EJECT SWITCH) SCHEMATIC
DIAGRAM ..................................................................4-26
• DI-71 (DIAL TIMER SWITCH) PRIN TED WIRING
BOARD AND SCHEMATIC DIAGRAM ........... 4-27
• AR-20 (ARC) PRINTED WIRING BOARD AND
SCHEMATJC DIAGRAM........................................ 4-28
5. INTERFACE, 1C PIN FUNCTION
DESCRIPTION
5-1. SYSTEM (X)NTROL —MECHANISM BLOCK
IN TERFACE (MA-242 BOARD ICI60)....................5-1
5-2. SY.STEM CONTROL — SERVO PERIPHERAL
CIRCUIT INTERFACE (MA-242 BOARD ICI60).... 5-1
5-2. SYSTEM CON'TROL — SYSTEM CON'TROL
PERIPHERAL CIRCUIT IN TERFACE
(MA-,242 BOARD K'160).............................................5-2
5-4. SYSTEM CONTROL AND RE MODLII .A'TOR
— INPU T SELECTION BLOCK INTERFACE
(MA-242 BOARD ICI60)............................................... 5-2
5-5. SYS'TTIM CONTROL — VIDEO/RP BLOC’K
INTERFACE (MA-242 BOARD IC160).....................5-2
5-6. SYSTEM CONTROL — AUDIO BLOCK INTERFACE
(MA-,242 BOARD IC160)............................................. 5-2
5- 7. STIRVO/SYS'TEM CONTROL MICROPROC'HSSOR
PIN FUNCTIONS (MA-,242 BOARD 1C 160).........5-2
6. ADJUSTMENTS
6- 1 MECHANICAL ADJUSTMENTS............................... 6-1
6- 2. ELECTRICAL ADJU,STMENTS ..............................6-1
2-1. PREPARATION BEFORE ADJUSTMEN T................6-1
2-1 -1. Equipment Required..................................................... 6-1
2-1 -2. Equipment Conneelion.................................................6-1
2-1 -2. Set-up of Adjustment................................................... 6-1
2-1-4. Alignment Tape.............................................................. 6-1
2-1-5. Inpnl/Output Levels and Iinpedanee ........................ б-С
2-1 -6. Adjustment Sequenee....................................................6-2
2-2. POWER SLIPPI,Y CHECK.............................................. 6-2
2-2-1 .Output Voltage CJieek (MA-242 Board) ................. 6-2
2-2. SERVO SYSTEM CHECK............................................... 6-2
2-2-1. RF Svvitehing Position Adjustment (MA-242 Board)......... 6-2
2-4. AUDIO SY.STEM ADJUSTMEN T............................... 6 2
2-4-1.1 li-F'i Audio Syslem Adjustment (1 li-F'i model only).......6-2
2-4-2. Hi-Fi Swilehing Position Adjustment
(MA-242 Board)................................................................6-4
2-4-2. Normal Audio System Adjustment............................. 6-4
2-4-4. ,V(’E Head Adjustment ................................................6-4
2-4-5. Fi-lt Onl[)iit Level Cheek ............................................6-4
2-4 6. l-ie(|ueney Response ('heek.......................................... 6-4
2-5. ADJUSTING PARTS LOCATION DTAGRAM .........6-6
7. REPAIR PARTS LIST
7- 1 EXPLODED VIEWS ..................................................... 7-1
7-1-1. FRONT PANFIL AND UPPER (’ASE SEC TION .7-1
7-1-2.CHASSIS SHCH'ION......................................................7-2