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SERVICE MANUAL
Refer to the SERVICE MANUAL of VHS
MECHANICAL ADJUSTMENT
MECHANICAL ADJUSTMENTS. (9-921-647-11)
System
Format
VHS NTSC standard
Video recording system
Rotary head helical scanning FM system
Video heads
Double azimuth four heads
Video signal
NTSC color, EIA standards
Tape speed
3
SP: 33.35 mm/s (1
inches/s)
8
7
EP: 11.11 mm/s (
inches/s)
16
11
LP: 16.67 mm/s (
inches/s),
16
playback only
Maximum recording/playback time
8 hr
s. in EP mode (with T-160 tape)
(SLV-AX10/AX20/N50/N60/N70/N80)
9 hrs. in EP mode (with T-180 tape)
(SLV-LX4/LX5/LX6S/LX7S/LX8S)
Fast-forward and rewind time
Appr
ox. 3 min. (with T-120 tape)
Tuner section
Channel coverage
VHF 2 to 13
UHF 14 to 69
CATV A-8 to A-1, A to W, W+1 to W+84
Antenna
75-ohm antenna terminal for VHF/UHF
Inputs and outputs
LINE-1 IN and -2 IN
VIDEO IN, phono jack (1 each)
Input signal: 1 Vp-p, 75 ohms, unbalanced, sync
negative
A
UDIO IN, phono jacks (2 each)
(SLV-AX10/AX20/N50/N60/N70/N80/LX6S/
LX7S/LX8S)
AUDIO IN, phono jack (1 each)
(SLV-LX4/LX5)
Input level: 327 mVrms
Input impedance: more than 47 kilohms
MICROFILM
SLV-AX10/AX20/N50/N60/N70/N80/
LX4/LX5/LX6S/LX7S/LX8S
RMT-V266A/V266B/V292/V292A/V293/V294
Photo : SLV-N80
RMT-V292
HiFi model : SLV-AX10/AX20/N50/N60/N70/N80/LX6S/LX7S/LX8S
Mono model: SLV-LX4/LX5
for

SPECIFICATIONS

LINE OUT
VIDEO OUT, phono jack (1)
Output signal: 1 Vp-p, 75 ohms, unbalanced, sync
negative
AUDIO OUT, phono jacks (2)
(SLV-AX10/AX20/N50/N60/N70/N80/LX6S/
LX7S/LX8S)
AUDIO OUT, phono jack (1)
(SLV-LX4/LX5)
Standard output: 327 mVrms
Load impedance: 47 kilohms
Output impedance: less than 10 kilohms
S-LINK (CONTROL S IN) (SLV-N80 only)
Mini jack (1)
CABLE BOX CONTROL (CONTROL S OUT) (SLV-
N80 only)
Stereo mini jack (plug in power) (1)
Timer section
Clock
Quartz locked
Timer indication
12-hour cycle
Timer setting
8 programs (max.)
Power back-up
Built-in self-charging capacitor
Back-up duration: up to 1 hour at a time
General
Power requirements
12
0 V AC, 60 Hz
(SLV-AX10/AX20/N50/N60/N70/N80/LX4(MX)/
LX5(MX,PA,PC,VZ)/LX6S/LX7S(MX,PA,PC,VZ)/
LX8S(MX))
110 V AC – 240 V AC, 50/60 Hz
(SLV-LX5(CL,CS)/LX7S(CL,CS)/LX8S(CS))
SLV-AX10/AX20/N50/N60/N70/N80
Canadian Model
Mexican Model
Chilean Model
SLV-LX5(CL,CS)/LX7S(CL,CS)/
Panama Model
Venezuelan Model
SLV-LX5(PA,PC,VZ)/LX7S(PA,PC,VZ)
Power consumption
24 W
(SLV-AX10/AX20/N50/N60/N70/N80)
18 W
(SLV-LX4/LX5/LX6S/LX7S/LX8S)
Operating temperature
5 C to 40 C (41 F to 104 F)
Storage temperature
–20 C to 60 C (–4 F to 140 F)
Dimensions
App
rox. 430
97
7
(
Approx. 17
3
8
(SLV-N70/N80/LX8S)
Approx. 355 96 285 mm (w/h/d)
7
(Approx. 14
3
8
(SLV-AX10/AX20/N50/N60/LX4/LX5/LX6S/LX7S)
projecting parts and controls
Mass
Approx. 4.1 kg (9 lb 1 oz)
(SLV-N70/N80/LX8S)
Approx. 3.6 kg (7 lb 15 oz)
(SLV-AX10/AX20/N50/N60/LX4/LX5/LX6S/LX7S)
Supplied accessories
Remote commander (1)
Size AA (R6) batteries (2)
75-ohm coaxial cable with F-type connectors (1)
Audio/video cable (3-phono, 1-mini to 3-phono, 1-mini)
(1) (SLV-N80 only)
Audio/video cable (3-phono to 3-phono) (1) (SLV-N70
only)
Design and specifications are subject to change without
notice.
E
S
NERGY
TAR
®
is a U.S. registered mark.
E
S
As an
NERGY
TAR
®
determined that this product meets the
guidelines for energy efficiency.
VIDEO CASSETTE RECORDER
US Model
SLV-N50/N60/N70/N80
SLV-LX4/LX5/LX6S(MX)/
LX7S(MX)/LX8S(MX)
LX8S(CS)
S MECHANISM
290.5 mm (w/h/d)
1
11
inches) including
2
1
11
inches) including
4
Partner, Sony Corporation has
E
S
®
NERGY
TAR

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Summary of Contents for Sony SLV-AX10

  • Page 1: Specifications

    Chilean Model SLV-LX5(CL,CS)/LX7S(CL,CS)/ LX8S(CS) Panama Model Photo : SLV-N80 Venezuelan Model RMT-V292 SLV-LX5(PA,PC,VZ)/LX7S(PA,PC,VZ) S MECHANISM HiFi model : SLV-AX10/AX20/N50/N60/N70/N80/LX6S/LX7S/LX8S Refer to the SERVICE MANUAL of VHS Mono model: SLV-LX4/LX5 MECHANICAL ADJUSTMENT MECHANICAL ADJUSTMENTS. (9-921-647-11) SPECIFICATIONS System LINE OUT Power consumption...
  • Page 2 CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT. NE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS REMPLACER CES COMPOSANTS QUE PAR DES PIÈSES SONY APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL OU PUBLISHED BY SONY.
  • Page 3: Table Of Contents

    TABLE OF CONTENTS SERVICE NOTE • MA-370 (2/8)(Y/C, AUDIO PROCESS) SCHEMATIC DIAGRAM ······························ 4-9 ERROR CODE INDICATION ··········································· 5 • MA-370 (3/8)(SERVO/SYSTEM CONTROL) SCHEMATIC DIAGRAM ···························· 4-11 GENERAL • MA-370 (4/8)(AUDIO PROCESS) Getting Started ··········································································· 1-1 SCHEMATIC DIAGRAM ···························· 4-13 Step 1 : Unpacking ································································...
  • Page 4 2-3. SERVO SYSTEM CHECK ············································· 6-3 2-3-1. RF Switching Position Adjustment (MA-370 Board) ····· 6-3 2-4. AUDIO SYSTEM ADJUSTMENT ································· 6-3 2-4-1. Hi-Fi Audio System Adjustment (Hi-Fi model only) ······ 6-3 2-4-2. HiFi Switching Position Adjustment (MA-370 Board) ··· 6-4 2-4-3.
  • Page 5: Service Note

    SERVICE NOTE 1. ERROR CODE INDICATION • Error codes are indicated using the lower 5 digits in the fluorescent display tube. “At this time, Colon “:” between character is not indicated.” Mode code indication when the error has occurred. Error code ERROR CODE 0 No error 1 Cam encoder error Loading direction...
  • Page 6 MEMO — 6 —...
  • Page 7: General

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S SECTION 1 This section is extracted from instruction GENERAL manual. (SLV-N70/N80 model)
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  • Page 35: Disassembly

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S SECTION 2 DISASSEMBLY NOTE: Follow the disassembly procedure in the numerical order given. 2-1. CASE, FRONT PANEL BLOCK ASSEMBLY 1 Two tapping screws 3 Upper case 4 Connector 5 Connector 2 Two tapping screws Hooks 6 Connector Hooks...
  • Page 36: Rear Panel

    2-3. REAR PANEL 2 Rear panel (Engaged by the seven hooks) Hooks Hooks Hooks Hooks 1 POWER code stopper 2-4. MA-370 BOARD 1 Six screws (Sumitite (B3) +BV) 2 MA-370 board with mechanism deck...
  • Page 37: Mechanism Deck

    2-5. MECHANISM DECK 4 Flat cable 3 Connector 5 Connector 6 Two screws (BVTP 3 9 Screw 2 Screw (BVTP 3 (Sumitite (B3), +BV) qs Mechanism deck 1 Flexible cable qa MA-370 board 0 MD base (R) 7 MD base (M) 8 MD base (R)
  • Page 38: Internal Views

    2-6. INTERNAL VIEWS — Top View — M901 Drum Assembly DZH-0A0A/Z-RP 8-839-047-53 (AX10/AX20/N50/N60/N70/N80/LX6S/LX7S/LX8S) DZH-0A2A/Z-RP 8-839-049-51 (LX4/LX5) ACE head block assembly A-6759-620-A Pinch press block assembly FE head A-6759-863-B 1-500-144-11 FL complete assembly A-6759-619-B Reel (T) table Reel (S) table 3-977-507-01 3-977-508-01 —...
  • Page 39: Circuit Boards Location

    2-7. CIRCUIT BOARDS LOCATION MA-370N3S (LX4/LX5MX/LX5PA/ LX5PC/LX5VZ) MA-370N3A (LX5CS/LX5CL) MA-370N5S (LX6S/LX7SMX/LX7SPA/ LX7SPC/LX7SVZ) MA-370N5A (LX7SCS/LX7SCL) MA-370A8 (N80) MA-370A7 (N70) MA-370N7S (LX8SMX) MA-370N7A (LX8SCS) MA-370A5 (AX10/N50) MA-370A6 (AX20/N60) MA-370A6MX (N60U) MF-319 (N70/N80/LX8S) VIDEO, AUDIO, (POWER, EJECT SWITCH) SERVO/SYSTEM CONTROL, TUNER, POWER SUPPLY DM-89 (N70/N80/LX8S) JK-178M (LX4/LX5) (USER CONTROL)
  • Page 40 MEMO 2-6E...
  • Page 41: Block Diagrams

    SLV-AX10/AX20/N50/N60/N70/N80/ SECTION 3 LX4/LX5/LX6S/LX7S/LX8S BLOCK DIAGRAMS 3-1. OVERALL BLOCK DIAGRAM N70/N80/LX8S MODEL MA-370 BOARD J561 (SEE PAGE 4-7,9,11,13,15,17,19,21) LINE 1 L VIDEO 1 VIDEO AX10/AX20/N50/N60 MODEL IC201 IC160 DRUM MOTOR (2/2) EXCEPT N70/N80/LX8S MODEL JS571 (1/2) (SEE PAGE 4-12) J562...
  • Page 42: Video Block Diagram

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S 3-2. VIDEO BLOCK DIAGRAM IC160 t; OSC V IN PB IC870 2 PB IC160 t; OSC V IN REC MA-370 BOARD (SEE PAGE 4-7,9) IC870 2 REC N70/N80/LX4/LX5/ LX6S/LX7S/LX8S MODEL 1.5Vp-p C VIDEO IN TU700 6 1.5Vp-p IC160 th...
  • Page 43: Servo/System Control Block Diagram

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S 3-3. SERVO/SYSTEM CONTROL BLOCK DIAGRAM MA-370 BOARD (SEE PAGE 4-11) RESET S DATA IC160 IC160 CHECK (3/3) S CLK UNSW 5V M12V SYSTEM CONTROL IC161 CN104 D161 L161 D109 CN101 AVCC I2C DATA L162 L163 D162 IC160 (2/3)
  • Page 44: Tuner Block Diagram

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S 3-4. TUNER BLOCK DIAGRAM MA-370 BOARD (SEE PAGE 4-15) LX4/LX5 MODEL EXCEPT LX4/LX5 MODEL TU700 (MONO) TU701 (HIFI) VHF/ VHF/ 3 6 2 24 21 5 12 11 10 23 9 17 4 14 16 2 24 31 5 12 11 10 23...
  • Page 45: Audio Block Diagram

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S 3-5. AUDIO BLOCK DIAGRAM EXCEPT MA-370 BOARD (SEE PAGE 4-13) EXCEPT LX4/LX5 MODEL LX4/LX5 MODEL C336 TU700 TUNER RF AUDIO IC301 TU701 BLOCK AUDIO (SEE PAGE 3-7) LX4/LX5 MODEL PROCESSOR JS326 (HIFI) DRUM JS325 N70/N80/LX8S MODEL AUDIO CN260...
  • Page 46: Power Block Diagram

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S 3-6. POWER BLOCK DIAGRAM EXCEPT MA-370 BOARD LX4/LX5 MODEL LX4/LX5 MODEL (SEE PAGE 4-19) TU700 TU701 (MONO) (HIFI) N70/N80/LX8S MODEL T600 L604 R705 IC461 D609 +30V REMOTE L703 CONTROL L704 RECEIVER CN403 CN461 D 5V N80 MODEL ONLY...
  • Page 47: Printed Wiring Boards And Schematic Diagrams

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S SECTION 4 PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) (For printed wiring boards) • b: Pattern from the side which enables seeing.
  • Page 48 MEMO...
  • Page 49: Frame Schematic Diagram

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S 4-1. FRAME SCHEMATIC DIAGRAM A HEAD PB ACE HEAD MA-370 BOARD CN350 A HEAD REC 1/8, REC/PB HEAD AMP(RP BLOCK) GND(AU) A HEAD PB AUDIO 2/8, Y/C,AUDIO PROCESS(VA BLOCK) A ERASE HEAD A HEAD REC 3/8, SERVO/SYSTEM CONTROL(SS BLOCK)
  • Page 50: Diagrams

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S 4-2. PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS MA-370 (VIDEO, AUDIO, SERVO/SYSTEM CONTROL, TUNER, POWER) PRINTED WIRING BOARD There are few cases that the part printed on this diagram isn’t mounted in this model. — Ref. No. MA-370 Board:1,000 Series —...
  • Page 51: 1/8)(Rec/Pb Head Amp)

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S For schematic diagram • Refer to page 4-23 for waveforms. MA-370 BOARD(1/8) NO MARK:REC/PB MODE CN270 C285 R :REC MODE JL271 0.01u REC/PB HEAD AMP(RP BLOCK) HF ADJ P :PB MODE JL272 PB RF -REF.NO.:1000 SERIES- CHECK JL273...
  • Page 52 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S For schematic diagram • Refer to page 4-5 for printed wiring board. • Refer to page 4-23 for waveforms. • Refer to page 4-25 for mounted table. MA-370 BOARD(2/8) -REF.NO.:1000 SERIES- NO MARK:REC/PB MODE * MARKED : REFER TO PAGE4- MOUNT TABLE...
  • Page 53 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S For schematic diagram • Refer to page 4-5 for printed wiring board. • Refer to page 4-23 for waveforms. • Refer to page 4-25 for mounted table. MA-370 BOARD(3/8) -REF.NO.:1000 SERIES- NO MARK:REC/PB MODE R :REC MODE XX MARK:NO MOUNT...
  • Page 54 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S For schematic diagram • Refer to page 4-5 for printed wiring board. MA-370 BOARD(4/8) (EXCEPT:SLV-LX4/LX5) C309 C315 AUDIO PROCESS(AU BLOCK) C308 C311 C316 8200p C313 8200p -REF.NO.:1000 SERIES- XX MARK:NO MOUNT NO MARK:REC/PB MODE R :REC MODE P :PB MODE...
  • Page 55 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S For schematic diagram • Refer to page 4-5 for printed wiring board. MA-370 BOARD(5/8) TUNER(TU BLOCK) TU700 TU701 TU702 -REF.NO.:1000 SERIES- XX MARK:NO MOUNT VHF/UHF 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24...
  • Page 56 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S For schematic diagram • Refer to page 4-5 for printed wiring board. • Refer to page 4-26 for mounted table. MA-370 BOARD(6/8) R420 R429 R430 DISPLAY CONTROL(FRONT BLOCK) R419 -REF.NO.:1000 SERIES- JL433 JL434 JL435 XX MARK:NO MOUNT NO MARK:REC/PB MODE...
  • Page 57 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S For schematic diagram • Refer to page 4-5 for printed wiring board. • Refer to page 4-27 for mounted table. MA-370 BOARD(7/8) Q605 L604 2SB1398-Q(TA).S0 68uH JL618 MTR 12V REG POWER SUPPLY(PS BLOCK) 13.5 SW_5V TO(5/8) JS606 13.5 -REF.NO.:1000 SERIES-...
  • Page 58 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S For schematic diagram • Refer to page 4-5 for printed wiring board. MA-370 BOARD(8/8) (SLV-N80 ONLY) VSET/AFC/S-LINK(VSET BLOCK) -REF.NO.:1000 SERIES- MEDIA VIDEO XX MARK:NO MOUNT TO(2/8) VIDEO IN NO MARK:REC/PB MODE R :REC MODE P :PB MODE Q875...
  • Page 59 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S MA-370 MA-370 MA-370 MA-370 BOARD (1/8) BOARD (2/8) BOARD (3/8) BOARD (8/8) (R/P BLOCK) (VA BLOCK) (SS BLOCK) (VSET BLOCK) 4fsc (OUT) IC201 2 REC IC201 yj REC/PB IC260 4 REC/PB IC160 el IC160 i;T REEL IC870 2 REC REC/PB 4.8Vp-p...
  • Page 60: Lx6S/Lx7S

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S *MARKED = MOUNT TABLE (VA BLOCK) *MARKED = MOUNT TABLE (SS BLOCK) *MARKED = MOUNT TABLE (FRONT BLOCK) REF.NO. AX10/AX20/ N70/N80/LX8S LS4/LX5 LX6S/LX7S REF.NO. AX10/N50 AX20/N60 LX4/LX5 LX6S/LX7S LX8S REF.NO. AX10/N50 AX20/N60 LX4/LX5/ N70/N80 LX8S N50/N60 C113 0.1u / 25V 0.1u / 25V...
  • Page 61 SLV-AX10/AX20/N50/N60/N70/N80/ SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S LX4/LX5/LX6S/LX7S/LX8S *MARKED = MOUNT TABLE (PS BLOCK) REF.NO. AX10/N50 AX20/N60/ LX4/LX5: LX5:CL/CS LX65 LX7S:CL/CS N70/N80 MX/PC/PA/VZ LX7S:MX/PC/PA/VZ LX8S:CS LX8S:MX C601 2200p /125V 0.1u / 250V C603 470p / 125V 470p / 250V C604 1000p / 125V 470p / 250V...
  • Page 62: Line-2 In

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S JK-178 (LINE-2 IN) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM (AX10/AX20/N50/N60/LX4/LX5/LX6S/LX7S) — Ref. No. JK-178 Board:3,000 Series — MA-370N3S (LX4/LX5MX/LX5PA/ LX5PC/LX5VZ) MA-370N3A (LX5CS/LX5CL) MA-370N5S (LX6S/LX7SMX/LX7SPA/ LX7SPC/LX7SVZ) MA-370N5A (LX7SCS/LX7SCL) MA-370A8 (N80) MA-370A7 (N70) MA-370N7S (LX8SMX) MA-370N7A (LX8SCS) MA-370A5 (AX10/N50) MA-370A6 (AX20/N60)
  • Page 63: (N70/N80/Lx8S Only)

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S JK-191 (LINE-2 IN) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM (N70/N80/LX8S only) — Ref. No. JK-191 Board:2,000 Series — MA-370N3S (LX4/LX5MX/LX5PA/ LX5PC/LX5VZ) MA-370N3A (LX5CS/LX5CL) MA-370N5S (LX6S/LX7SMX/LX7SPA/ LX7SPC/LX7SVZ) MA-370N5A (LX7SCS/LX7SCL) MA-370A8 (N80) MA-370A7 (N70) MA-370N7S (LX8SMX) MA-370N7A (LX8SCS) MA-370A5 (AX10/N50)
  • Page 64: Function

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S DM-89 (FUNCTION) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM (N70/N80/LX8S only) — Ref. No. DM-89 Board:2,000 Series — MA-370N3S (LX4/LX5MX/LX5PA/ LX5PC/LX5VZ) MA-370N3A (LX5CS/LX5CL) MA-370N5S (LX6S/LX7SMX/LX7SPA/ LX7SPC/LX7SVZ) MA-370N5A (LX7SCS/LX7SCL) MA-370A8 (N80) MA-370A7 (N70) MA-370N7S (LX8SMX) MA-370N7A (LX8SCS) MA-370A5 (AX10/N50) MA-370A6 (AX20/N60)
  • Page 65: (N70/N80/Lx8S Only)

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S MF-319 (SIRCS) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM DI-74 (DIAL TIMER) PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM (N70/N80/LX8S only) (EXCEPT: AX10/N50) — Ref. No. MF-319 Board:2,000 Series — — Ref. No. DI-74 Board:1,000 Series — MA-370N3S (LX4/LX5MX/LX5PA/ LX5PC/LX5VZ)
  • Page 66 MEMO 4-38E...
  • Page 67: Interface, Ic Pin Function Description

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S SECTION 5 INTERFACE, IC PIN FUNCTION DESCRIPTION 5-1. SYSTEM CONTROL — MECHANISM BLOCK INTERFACE (MA-370 BOARD IC160) CASSETTE CASSETTE TAPE TAPE STOP Signal Pin No. EJECTED LOARDING UNLOARDING THREADING UNTEREADING MA-370 Board IC160ed MA-370 Board MODE 1 —...
  • Page 68: Interface (Ma-370 Board Ic160)

    5-3. SYSTEM CONTROL — SYSTEM CONTROL PERIPHERAL CIRCUIT INTERFACE (MA-370 BOARD IC160) Signal Pin No. I/O level MA-370 Board RESET Normally “H”, “L” when service interruption detected or restored. IC160ef MA-370 Board I2C DATA 1 Serial communication data to EEPROM I2C161. IC160es MA-370 Board I2C CLOCK 1...
  • Page 69: (Ma-370 Board Ic160)

    5-7. SERVO/SYSTEM CONTROL MICROPROCESSOR PIN FUNCTIONS (MA-370 BOARD IC160) Pin No. Pin Name Function DEST Destination control input FULL ERS — TU AFT Tuner analog AFT input FUNC KEY2 Key input FUNC KEY1 Key input S SENS Tape end sensor input T SENS Tape top sensor input V RF ENV...
  • Page 70 Pin No. Pin Name Function WHITE LEVEL White level signal input OSD V OUT OSD Video signal output OSD Vcc — SW 5V (OSD block) External low-pass filter for slicer/AFC is connected to this terminal V HOLD External capacitor for slicer is connected to this terminal C VIDEO IN Control video signal input (osd, tuner, sorvo) —...
  • Page 71: Adjustments

    SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S SECTION 6 ADJUSTMENTS 6-1 MECHANICAL ADJUSTMENTS 2-1-3. Set-up of Adjustment In this adjustment, NTSC pattern generator is connected with LINE input terminal. When check to tuner, connected AERIAL terminal. For the mechanical adjustments, please refer to the Check that the synchronizing signal of the Y signal has an amplitude “VHS MECHANICAL ADJUSTMENT MANUAL...
  • Page 72: Input/Output Levels And Impedance

    2-1-5. Input/Output Levels and Impedance 2-2. POWER SUPPLY CHECK 2-2-1. Output Voltage Check (MA-370 Board) Video input: LINE IN Input signal: 1 Vp-p, 75 ohms, unbalanced, Mode STANDBY sync negative +30 V Check Video output: LINE OUT Measurement point C627 3 Output signal: 1 Vp-p, 75 ohms, unbalanced, sync negative Specified value...
  • Page 73: Servo System Check

    2-3. SERVO SYSTEM CHECK 2-4. AUDIO SYSTEM ADJUSTMENT 2-3-1. RF Switching Position Adjustment • Adjust both L ch and R ch. (MA-370 Board) [Connecting Instruments] [Adjustment Purpose] To adjust the link of the A-ch and B-ch of the tape playback outputs. Audio line OUTPUT L/R To make the unit compatible with other tapes and units.
  • Page 74: Hifi Switching Position Adjustment (Ma-370 Board)

    2-4-2. HiFi Switching Position Adjustment 2-4-3. Normal Audio System Adjustment (MA-370 Board) • Make adjustment in the SP mode unless otherwise specified. Use [Adjustment Purpose] a normal VHS cassette for an adjustment tape. To adjust the link of the A-ch and B-ch of the tape playback outputs. •...
  • Page 75: Adjusting Parts Location Diagram

    2-5. ADJUSTING PARTS LOCATION DIAGRAM MA-370 BOARD (CONDUCTOR SIDE) J561 CN270 VIDEO/AUDIO LINE RF/HF SWP IN/OUT C627 +30 V Q605 MTR12 V -11V +12V Q607 D420 SW5V JS401 IC601 ND420...
  • Page 76 MEMO 6-8E...
  • Page 77: Repair Parts List

    3-709-432-01 COVER, REMOTE CONTROL BATTERY A-6794-718-A DM-89 MOUNT (N70/N80/LX8S) (266A/266B/293/294) A-6794-713-A DI-74 MOUNT (LX4/LX5/LX6S/LX7S) (AX10/AX20/N50/N60/LX4/LX5/LX6S/LX7S/LX8S) A-6794-726-A DI-74V MOUNT (AX20/N60) 3-943-995-31 EMBLEM (NO.5), SONY (N80/LX8S) A-6794-730-A DI-74S MOUNT (N70/N80/LX8S) 3-057-964-11 KNOB, ETR(U) (N70) A-6794-763-A DI-74VMX MOUNT (N60U) 3-058-045-01 KNOB, ETR (LX4/LX5/LX6S/LX7S) A-6794-714-A JK-178M MOUNT (LX4/LX5)
  • Page 78: Chassis Section

    7-1-2. CHASSIS SECTION Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 51 3-959-383-01 BASE (R), MD * 53 A-6713-539-A MA-370A8 COMPLETE PC BOARD (N80) 3-057-174-01 PANEL, REAR (N80) * 53 A-6713-540-A MA-370A7 COMPLETE PC BOARD (N70) 3-057-174-12 PANEL, REAR (N70) * 53 A-6713-541-A MA-370N7S COMPLETE PC BOARD...
  • Page 79: Mechanism Deck Section-1

    7-1-3. MECHANISM DECK SECTION-1 #701 supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-977-509-01 WASHER, THRUST 3-977-514-01 OPENER, LID 3-977-507-01 TABLE, REEL (S) (GRAY) 3-977-441-03 GEAR, PINCH PRESSING 3-977-508-01 TABLE, REEL (T) (BLACK) 3-977-445-02 GEAR, TG8 ARM DRIVING 1-500-144-11 HEAD, FE 3-977-465-01 SPRING, EXTENSION (RVS BRAKE) 3-977-495-01 SHAFT TG2...
  • Page 80: Mechanism Deck Section-2

    7-1-4. MECHANISM DECK SECTION-2 M901 #701 #702 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks X-3947-581-4 BRAKE ASSY,MAIN(T) X-3944-378-1 ROLLER ASSY, GUIDE 3-977-462-01 SPRING,EXTENTION. (MAIN BRAKE) 3-965-178-01 SPRING X-3947-573-1 ARM ASSY, PENDULUM 3-969-632-04 BASE, DRUM X-3947-580-5 BRAKE ASSY, MAIN(S) A-6750-328-G SHUTTLE (T) BLOCK ASSY 3-977-513-02 LEVER, REC PROOF 3-977-501-01 PLATE, LUMINOUS...
  • Page 81: Mechanism Deck Section-3

    7-1-5. MECHANISM DECK SECTION-3 M902 #701 M903 #703 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-977-437-01 RETAINER,CAM MOTOR 3-977-455-01 GEAR, LOADING(T) X-3947-584-1 ASSY, REEL DIRECT 3-977-456-03 SPRING, TORSION (LOAD T) 3-977-443-01 WASHER, STOPPER X-3947-579-1 LEVER ASSY, LOADING(T) 3-977-438-01 WORM - WHEEL 3-977-451-01 GEAR, LOADING(S) 3-977-506-01 ARM, LIMITTER SELECTION...
  • Page 82: Electrical Parts List

    DI-74 DM-89 JK-178 7-2. ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS When indicating parts by reference number, All resistors are in ohms. parts list may be different from the parts please include the board name. specified in the diagrams or the components METAL: metal-film resistor The components identified by mark 0 or...
  • Page 83 JK-178 JK-191 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < SWITCH > A-6713-643-A MA-370A6MX COMPLETE BOARD, COMPLETE (N60(U)) S801 1-762-196-21 SWITCH, TACT *********************************** S802 1-762-196-21 SWITCH, TACT (Ref.No. 1,000 Series) ************************************************************ 3-057-386-01 HOLDER, FLO (N70/N80/LX8S) A-6794-717-A JK-191 BOARD, COMPLETE (N70/N80/LX8S) 3-058-047-02 BASE, FL (AX20/N60U/LX4/LX5/LX6S/LX7S) 3-058-060-01 BASE, FL (AX10/AX20/N50/N60)
  • Page 84 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C172 1-164-232-11 CERAMIC CHIP 0.01uF C252 1-164-232-11 CERAMIC CHIP 0.01uF C173 1-164-232-11 CERAMIC CHIP 0.01uF (N70/N80/LX4/LX5/LX6S/LX7S/LX8S) C176 1-164-004-11 CERAMIC CHIP 0.1uF C253 1-163-241-11 CERAMIC CHIP 39PF C187 1-127-573-91 CERAMIC CHIP (EXCEPT LX4/LX5) C187...
  • Page 85 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C331 1-126-160-11 ELECT C507 1-163-137-00 CERAMIC CHIP 680PF (EXCEPT LX4/LX5) C508 1-109-982-11 CERAMIC CHIP 10.00% 10V C334 1-126-960-11 ELECT 20.00% 50V C509 1-163-016-00 CERAMIC CHIP 0.0039uF 10% (EXCEPT LX4/LX5) C510 1-164-004-11 CERAMIC CHIP...
  • Page 86 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 0 C604 1-119-912-51 CERAMIC 1000PF 20.00% 125V C706 1-126-963-11 ELECT 4.7uF 20.00% 50V (AX10/AX20/N50/N60/N70/N80) C707 1-164-161-11 CERAMIC CHIP 0.0022uF 10% 100V 0 C604 1-119-912-51 CERAMIC 1000PF 10.00% 125V C708 1-163-251-11 CERAMIC CHIP 100PF...
  • Page 87 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < CONNECTOR > D619 8-719-313-17 DIODE AU02A-V0 (AX10/AX20/N50/N60/N70/N80) CN101 1-766-978-31 CONNECTOR, FFC/FPC 5P D702 8-719-150-92 DIODE RD33EB3T CN102 1-779-723-11 CONNECTOR, BOARD TO BOARD 9P D980 8-719-067-40 DIODE STZ6.8N-T146 (N80) * CN103 1-766-716-11 CONNECTOR, BOARD TO BOARD 3P D982...
  • Page 88 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < JACK > JR047 1-216-295-00 METAL CHIP 1/10W JR048 1-216-296-00 METAL CHIP 1/8W J561 1-779-011-11 JACK, PIN 6P (LINE 1 IN/OUT)(N70/N80/LX8S) JR049 1-216-296-00 METAL CHIP 1/8W J562 1-779-010-11 JACK, PIN 4P (LINE 1 IN/OUT)(LX4/LX5) JR050 1-216-296-00 METAL CHIP...
  • Page 89 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks JS504 1-216-296-00 METAL CHIP 1/8W L601 1-412-529-11 INDUCTOR 22uH (N70/N80/LX8S) L602 1-403-588-11 INDUCTOR 22uH JS505 1-216-295-00 METAL CHIP 1/10W L602 1-412-529-11 INDUCTOR 22uH (EXCEPT N70/N80/LX8S) L603 1-410-509-11 INDUCTOR 10uH JS506 1-216-296-00 METAL CHIP...
  • Page 90 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q561 8-729-010-05 TRANSISTOR MSB709-RT1 R165 1-216-089-00 METAL CHIP 1/10W Q601 8-729-904-98 TRANSISTOR 2SC4054P R166 1-216-073-00 METAL CHIP 1/10W (AX10/AX20/N50/N60/N70/N80) R167 1-249-431-11 CARBON 1/4W Q601 8-729-043-47 TRANSISTOR 2SK2671 R168 1-216-073-00 METAL CHIP 1/10W...
  • Page 91 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R277 1-216-081-00 METAL CHIP 1/10W R356 1-216-067-00 METAL CHIP 5.6K 1/10W R278 1-216-081-00 METAL CHIP 1/10W (LX4/LX5) R279 1-216-081-00 METAL CHIP 1/10W R357 1-216-071-00 METAL CHIP 8.2K 1/10W R301 1-216-073-00 METAL CHIP...
  • Page 92 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R425 1-216-095-00 METAL CHIP 1/10W R605 1-249-411-11 CARBON 1/4W R427 1-216-053-00 METAL CHIP 1.5K 1/10W (LX4/LX5/LX6S/LX7S/LX8S) (AX10/AX20/N50/N60U/N70/N80) R606 1-249-402-11 CARBON 1/4W F R428 1-216-059-00 METAL CHIP 2.7K 1/10W (AX10/AX20/N50/N60U/N70/N80) (N70/N80/LX8S)
  • Page 93 MA-370 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R704 1-216-043-91 RES-CHIP 1/10W R888 1-216-081-00 METAL CHIP 1/10W 0 R705 1-240-307-81 FUSIBLE 1/4W (N80) R706 1-216-113-00 METAL CHIP 470K 1/10W R889 1-216-025-91 RES-CHIP 1/10W R707 1-216-065-00 METAL CHIP 4.7K 1/10W (N80)
  • Page 94 MA-370 MF-319 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < TUNER > ACCESSORIES *********** TU700 1-693-442-12 TUNER, IF (BTF-3MA412) (LX4/LX5) TU701 8-598-473-20 TUNER, FSS BTF-MA431 1-569-008-21 ADAPTOR, CONVERSION 2P (AX10/AX20/N50/N60/N70/N80/LX8S) (LX5(CL,CS)/LX7S(CL,CS)/LX8S(CS)) TU701 8-598-473-30 TUNER, FSS BTF-MA431 (LX6S/LX7S) 1-575-334-11 CORD (WITH CONNECTOR) (N70/LX6S/LX7S/LX8S) 1-575-334-11 CORD, CONNECTION (N70/LX6S/LX7S/LX8S)
  • Page 95 SLV-AX10/AX20/N50/N60/N70/N80/ LX4/LX5/LX6S/LX7S/LX8S Sony Corporation 2000A163029-1F Home Video Division Company 9-921-748-11 Printed in Japan ©2000.1 — 122 — Published by Quality Assurance Dept.

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