Sony WM-GX510 Service Manual

Radio cassette coder

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WM-GX510/GX512
SERVICE MANUAL
Ver 1.1 2002. 01
530-1.710 kHz (For "USA" indication)
Sony Corporation
9-960-475-12
2002A1600-1
Personal Audio Company
© 2002.1
Published by Sony Engineering Corporation
Photo : WM-GX512
Model Name Using Similar Mechanism
Tape Transport Mechanism Type
SPECIFICATIONS
RADIO CASSETTE CODER
— 1 —
AEP Model
WM-GX510
E Model
WM-GX510/GX512
Tourist Model
WM-GX512
WM-GX614
MF-WMGX614-112
– Continued on next page –

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Summary of Contents for Sony WM-GX510

  • Page 1 Model Name Using Similar Mechanism WM-GX614 Tape Transport Mechanism Type MF-WMGX614-112 SPECIFICATIONS 530-1.710 kHz (For “USA” indication) – Continued on next page – RADIO CASSETTE CODER Sony Corporation 9-960-475-12 2002A1600-1 Personal Audio Company © 2002.1 Published by Sony Engineering Corporation — 1 —...
  • Page 2: Table Of Contents

    LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. — 2 —...
  • Page 3: Section 1. General

    SECTION 1 GENERAL FUNCTION OF CONTROL Display Window !• PRESET + • AMS • FF button PRESET – • AMS • REW button !∞ MENU button cREC switch !§ SET button !¶ !¢ p RADIO OFF button ISS switch ENTER button 2REMOTE (GX512), 2(GX510) jack !¡...
  • Page 4: Section 2. Service Note

    SECTION 2 SERVICE NOTE [Service Mode] [MAIN Board] Mode which enables the mechanism to be operated with the — Side A — SQUARE WAVE (SINE WAVE) MAIN board opened. AF OSCILLATOR 10Hz 3.5 dB (1.5V) Photo sensor PH701 mounted on the MAIN board is used to detect rotaion of the reels.
  • Page 5 [Rotation system] Rotation system during REW. Rotation system during PLAY. Motor pully Gear (B) Gear (NR) Motor pully Clutch assembly Reel table Reel table (REW : Left side) Reel table (T side) (T side) Gear (B) Clutch assembly (S side) Gear (C) Gear (A) Gear (K)
  • Page 6: Section 3. Disassembly

    SECTION 3 DISASSEMBLY Follow the disassembly procedure in the numerical order given. Note : 3-1. BRACKET ASSEMBLY AND CASSETTE HOLDER ASSEMBLY 4 Lock lever (B) 1 Screw (M1.4x1.1) 2 Bracket assembly 3 Screw (M1.4x1.1) 5 Screw (M1.4x1.1) 6 Cassette holder assembly 3-2.
  • Page 7: Main Board

    3-3. MAIN BOARD AND SUB BOARD 3 Remove the solder of the ATS flexible board. 6 Tapping screw 2 Remove the solder of the plunger solenoid. ATS flexible board 8 Remove the Main board direction of arrow. 4 Battery terminal 1 Flexible board (Head) 5 Remove the solder of the...
  • Page 8: Section 4. Mechanical Adjustment

    SECTION 4 SECTION 5 MECHANICAL ADJUSTMENT ELECTRICAL ADJUSTMENT PRECAUTION PRECAUTION 1. Before adjusting, clean the following parts with a piece of 1. Specified voltage : 1.3V. cotton moistened with alcohol. 2. Switch position REC/PB head pinch roller DOLBY NR switch : OFF rubber belt capstan MEGA BASS switch: NORM...
  • Page 9 TUNER SECTION [AM] AM VT VOLTAGE ADJSTMENT BAND switch : AM BAND switch : AM digital NOTE: The adjustment should be performed setting the area indication voltmeter to “Eur”. (Refer to “Receiving Stations Outside Your Country” on page 3.) TP22 After the adjustment, reset the area indication as it was.
  • Page 10 WM-GX510/GX512 MEMO...
  • Page 15: Ic Pin Functions

    6-1. IC PIN FUNCTIONS • IC501 BA3641FV REC AMP Pin No. Pin Name Function ALC detect output STBY IC power switch MIC MUTE Mic amp mute control REC IN2 REC amp monitor amp input REC IN1 REC amp monitor amp input MIC OUT1 Mic amp output MIC OUT2...
  • Page 16 Pin No. Pin Name Function M-BRK Motor brake control (not used) TEST — Test pin (open) OSC2 — Resistor connect pin for CR oscillator (800 kHz). (open) OSC1 — Resistor connect pin for CR oscillator (800 kHz). (open) — Power supply connect terminal —...
  • Page 17: Ic702 Smc62L3A Lcd Drive

    • IC702 SMC62L3A LCD DRIVE Pin No. Pin Name Function COM2 LCD common signal output COM3 LCD common signal output SEG0 LCD segment signal output (not used) (open) SEG1 LCD segment signal output (not used) (open) SEG2 SEG3 SEG4 SEG6 SEG8 SEG9 SEG10...
  • Page 18: Section 7. Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • The mechanical parts with no reference number The components identified by have some difference from the original one. in the exploded views are not supplied. mark ! or dotted line with mark •...
  • Page 19: Main Board Section

    7-2. MAIN BOARD SECTION S903 ND701 not supplied REF.No. Part No. Description Remark REF.No. Part No. Description Remark 3-928-466-11 COVER, MD * 60 1-537-981-11 CONDUCTIVE BOARD, CONNECTION 3-928-465-01 DETENT, CASSETTE 3-928-461-01 TERMINAL (+), BATTERY 3-928-464-01 LEVER (B), LOCK * 62 1-658-322-11 SUB BOARD 3-366-892-01 SCREW (M1.4X1.1) 1-658-564-11 ATS FLEXIBLE BOARD...
  • Page 20: Mechanism Section (Mf-Wmgx614-112)

    7-3. MECHANISM SECTION (MF-WMGX614-112) PM901 M901 HRPE901 REF.No. Part No. Description Remark REF.No. Part No. Description Remark X-3368-776-1 PINCH LEVER (N) ASSY 3-928-443-01 SPRING (R), TORSION 3-916-341-01 SPRING (PINCH N) 3-365-801-01 TABLE, REEL 3-704-413-31 SCREW (M1.4X7.2) 3-916-353-01 GEAR (A) 3-916-357-01 GEAR (REEL) 3-916-352-01 GEAR (FR) 3-366-058-01 SPRING, COMPRESSION 3-916-354-01 GEAR (B)
  • Page 21: Section 8. Electrical Parts List

    SECTION 8 ATS FLEXIBLE MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the All resistors are in ohms parts list may be different from the parts METAL: Metal-film resistor The components identified by specified in the diagrams or the components •...
  • Page 22 MAIN REF. No. Part No. Description Remark REF. No. Part No. Description Remark C701 1-135-091-91 TANTAL. CHIP < COIL > C702 1-104-847-11 TANTAL. CHIP 22uF C703 1-162-917-11 CERAMIC CHIP 15PF L301 1-412-148-11 INDUCTOR CHIP 56uH C704 1-113-619-11 CERAMIC CHIP 0.47uF L501 1-412-006-31 INDUCTOR CHIP 10uH...
  • Page 23 MAIN REF. No. Part No. Description Remark REF. No. Part No. Description Remark R204 1-216-832-11 METAL CHIP 8.2K 1/16W (GX510) R711 1-218-836-11 METAL GLAZE 0.50% 1/16W R204 1-216-834-11 METAL CHIP 1/16W R712 1-218-845-11 METAL CHIP 0.50% 1/16W (GX512) R713 1-218-847-11 METAL CHIP 0.50% 1/16W R205...
  • Page 24 TUNER FLEXIBLE TUNER REF. No. Part No. Description Remark REF. No. Part No. Description Remark ************************************************************** 1-164-346-11 CERAMIC CHIP 1-164-346-11 CERAMIC CHIP 1-658-322-11 SUB BOARD 1-162-961-11 CERAMIC CHIP 330PF 1-107-826-11 CERAMIC CHIP 0.1uF ********** 1-163-139-00 CERAMIC CHIP 820PF < CAPACITOR > 1-164-345-11 CERAMIC CHIP 0.082uF C901...
  • Page 25 Ver 1.1 2002.01 TUNER REF. No. Part No. Description Remark REF. No. Part No. Description Remark 8-729-028-69 TRANSISTOR 2SC4655-BC(TX) 1-162-970-11 CERAMIC CHIP 0.01uF 8-729-425-73 TRANSISTOR 2SC4627-C 8-729-428-93 TRANSISTOR UN9115-QRS-(TXE) < FILTER > 8-729-429-32 TRANSISTOR UN9210-QRS 1-579-974-11 FILTER, CERAMIC 8-729-429-32 TRANSISTOR UN9210-QRS 1-579-823-21 FILTER, CERAMIC 8-729-429-32 TRANSISTOR...
  • Page 26 WM-GX510/GX512 TUNER REF. No. Part No. Description Remark REF. No. Part No. Description Remark 1-216-831-11 METAL CHIP 6.8K 1/16W < VIBRATOR > 1-216-831-11 METAL CHIP 6.8K 1/16W 1-216-829-11 METAL CHIP 4.7K 1/16W 1-760-423-21 VIBRATOR, CRYSTAL (75KHz) 1-216-833-11 METAL CHIP 1/16W...
  • Page 27 WM-GX510/GX512 Printing Method for Large Sized Documents Such As Circuit Diagrams Printing the page that exceeds A4-size two pages (or letter size) is possible by specifying the print range. (Acrobat Reader Version 4.0 or later) 1. The enlarged print is made, if a smaller range than A4 size is specified and the A4 size is selected as a print paper.
  • Page 28 WM-GX510/GX512 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 1995.12...

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