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Sony Glasstron PLM-A35 Service Manual

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SERVICE MANUAL
REVISED
This is the revised edition of service manual previously
issued for US and Canadian models and also Singapore
model is added in this manual.
Power supply
AC power adaptor: AC-PLM2
100-240 V AC, 50/60 Hz, 16 W
Output voltage 9 V, 1.3 A
Battery pack: NP-F550 (not supplied)
(US, Canadian models)
Battery pack: NP-F550/F730/F750/F930/
F950 (not supplied) (Singapore model)
Power consumption
1.7 W Approx.
Operating temperature
41°F to 95°F (5°C to 35°C)
Storage temperature
14°F to 140°F (–10°C to 60°C)
Dimensions
Display unit:
Approx. 6
(Approx. 173 × 53 × 56 mm)
(w/h/d, folded up)
Power supply box:
Approx. 2
(Approx. 53 × 39 × 104 mm)
(w/h/d)
not including projecting parts and
controls
Mass
Display unit: Approx. 3.4 oz (95 g)
Power supply box: Approx. 3.2 oz (90 g)
Video signal
NTSC color, EIA standards
9-928-143-12
SPECIFICATIONS
× 2
× 2
7
/
1
/
1
/
inches
8
8
4
× 1
× 4
1
9
1
/
/
/
inches
8
16
8
PLM-A35
Singapore Model
Audio/video input
Special minijack
1 Vp-p, 75 ohms, unbalanced, sync
negative
S video input
4-pin mini DIN
Y: 1 Vp-p, 75 ohms, unbalanced, sync
negative
C: 0.286 Vp-p, 75 ohms, unbalanced, sync
negative
Supplied accessories
AC power adaptor AC-PLM2 (1)
AC power cord (1)
Audio/video cable (special miniplug y
phono plug) (3 m) (1)
Audio/video cable (special miniplug y
stereo miniplug) (1) (Singapore model)
Plug adaptors
(phono jack y phono jack) (3)
Nose piece (black)(1) (US, Canadian
models)
Nose piece (gray)(1) (Singapore model)
Side piece pads (2)
Operating instructions manual (1)
Warranty (1) (US, Canadian models)
Design and specifications are subject to
change without notice.
US Model
Canadian Model
GLASSTRON

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Summary of Contents for Sony Glasstron PLM-A35

  • Page 1 PLM-A35 SERVICE MANUAL US Model Canadian Model REVISED Singapore Model This is the revised edition of service manual previously issued for US and Canadian models and also Singapore model is added in this manual. SPECIFICATIONS Audio/video input Power supply Special minijack AC power adaptor: AC-PLM2 1 Vp-p, 75 ohms, unbalanced, sync 100-240 V AC, 50/60 Hz, 16 W...

  • Page 2: Table Of Contents

    DE FONCTIONNEMENT. NE REMPLACER CES COM- SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- POSANTS QUE PAR DES PIÈCES SONY DONT LES LISHED BY SONY. NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

  • Page 3: General

    Caution: The screen is always right in front of you. Congratulations on your purchase of a Sony The Glasstron is a face-mounted display. With this type of display, the screen is always in front Note on the LCD (Liquid Crystal Glasstron Personal Viewer.

  • Page 4: Connecting The Glasstron (Singapore Model)

    (phono jacks) of your video carried to the Glasstron depending on the equipment, connect the Glasstron to both the video source. In this case, contact your Sony right and left audio output jacks. If you dealer or local authorized Sony service connect the Glasstron to just one audio output facility.

  • Page 5: Wearing The Glasstron

    Wearing the Glasstron WARNING Adjust the width of the side pieces. • Failure to properly fit the product (see “Proper Fit,” page 9) each time may result in eye There are two settings for the side piece fatigue, eye damage, or loss of visual functions and may result in accident or injury. width adjustment.

  • Page 6: Setting The User Lock

    If you cannot see a proper arrangement of these lines even after resting your eyes for a few hours, the Glasstron may not be operating correctly. Contact your Sony dealer or local authorized Sony service facility. continued...

  • Page 7: Using An Optional Battery Pack

    Check that the following accessories are supplied with your Glasstron. If any item is not Check that the following accessories are supplied with your Glasstron. If any item is not supplied, contact your Sony dealer or local authorized Sony service facility. supplied, contact your Sony dealer or local authorized Sony service facility.

  • Page 8: Precautions

    L’utilisation d’un autre adaptateur intérieure de l’unité d’affichage. Poussez l’appareil. Vous risquez sinon de provoquer revendeur Sony ou dans un centre de secteur risque de provoquer un délicatement jusqu’à ce qu’elles s’encliquettent un incendie ou une électrocution. Faites service après-vente Sony agréé.

  • Page 9: Disassembly

    SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CABINET (FRONT) 2 two screws (PTT1.7 × 6) 4 three claws 2 two screws (PTT1.7 × 6) 3 screw (PTT1.7 × 6) 5 cabinet (front) RG-A01 (B) COMPLETE PWB, HP-A01 MOUNTED PWB 7 connector 6 unweaved cloth (CN701)
  • Page 10 BACK LIGHT UNIT 3 back light unit 3 back light unit 1 unweaved cloth 2 two claws 4 lens block 1 unweaved cloth 2 two claws EAR MDR-E805PT//K SET RECIVER (HP701, 702) qa vine (R) 7 two bosses 5 claw qs two ear MDR-E805PT//K SET recivers (HEADPHONE (L/R)) 9 two bosses...

  • Page 11: Electrical Adjustments

    SECTION 3 ELECTRICAL ADJUSTMENTS Precautions on adjustment: 5. Setting up Input Signals 1. Perform the adjustment in the given order. (1) S VIDEO Signal 2. Power supply voltage: DC 9 V Connect an oscilloscope to the Y signal pin of the S VIDEO 3.
  • Page 12 [Preparation for Adjustment] (4) Select page: 1, address: 00, and set 01 data. Thus, the data 1. Service Jigs input to page: D is enabled. (1) Adjusting remote commander (RM-95-modified) (5) After the adjustment finished, select page: 1, address: 00, Note: J-6082-053-B and set 00 data.
  • Page 13 5. Data Processing Certain adjustment items require the microprocessor data to be read out or the displayed data (hexadecimal numbers) on jigs or adjusting remote commander to be calculated to get adjustment data. In such a case, convert hexadecimal numbers into decimal numbers once, then make calculation, and convert its result into hexadecimal number as adjustment data.
  • Page 14 6. Power ON Procedure for Adjustment (1) Connect an extension cable to the adjusting remote commander. (2) After making sure that the HOLD switch on the adjusting remote commander is not turned on (not at left (NOR) position), supply 9 Vdc to the DC IN (J101).
  • Page 15 [Preset Data Writing] Connection: (1) Connect the adjusting remote commander to the CN305 on YM-A01 board. Data Writing Procedure (1) Set data: 01 to page: 1, address: 00. (2) Enter the data given in the table below. Note: To write the data to the EEPROM, press the PAUSE button on the adjusting remote commander each time the data is set. (3) After writing all data, set data: 00 to page: 1, address: 00.
  • Page 16 [Brightness Volume Center Adjustment] LCD BLOCK Preparation: • To adjust the LCD block, connect a pattern generator as shown [BRIGHT] control (RV301): Center (click position) below. (For details, see page 3-1) Condition: Pattern generator Input signal Color bar signal (white 75%) Measurement point Displayed data on the adjusting remote commander...
  • Page 17 [G Contrast Adjustment] [G Brightness Adjustment] Condition: Condition: 10 step signal, 1 Vp-p 10 step signal, 1 Vp-p Input signal Input signal (White: 100 IRE level) (White: 100 IRE level) Measurement point RG-A01 board CN803 pin 2 Measurement point RG-A01 board CN803 pin 2 Measuring equipment Oscilloscope Measuring equipment...
  • Page 18 [R Contrast Adjustment] [R Brightness Adjustment] Condition: Condition: 10 step signal, 1 Vp-p 10 step signal, 1 Vp-p Input signal Input signal (White: 100 IRE level) (White: 100 IRE level) Measurement point RG-A01 board CN803 pin 4 Measurement point RG-A01 board CN803 pin 4 Measuring equipment Oscilloscope Measuring equipment...
  • Page 19 [B Contrast Adjustment] [B Brightness Adjustment] Condition: Condition: 10 step signal, 1 Vp-p 10 step signal, 1 Vp-p Input signal Input signal (White: 100 IRE level) (White: 100 IRE level) Measurement point RG-A01 board CN803 pin 3 Measurement point RG-A01 board CN803 pin 3 Measuring equipment Oscilloscope Measuring equipment...
  • Page 20 [Color Adjustment] [Hue Adjustment] Condition: Condition: Input signal Color bar signal (White: 75%) Input signal Color bar signal (White: 75%) Measurement point RG-A01 board CN803 pin 2 Measurement point RG-A01 board CN803 pin 2 Measuring equipment Oscilloscope Measuring equipment Oscilloscope Adjustment page Adjustment page Adjustment address...
  • Page 21 [LED Back Light Brightness Balance Adjustment] OPTICS BLOCK • Make this adjustment through a visual check. • To adjust the optics block, connect a pattern generator as shown Condition: below. (For details, see page 3-1) Input signal White: 100% signal Measurement point LCD screen Pattern generator...
  • Page 22 POWER SUPPLY BLOCK [Battery Down Adjustment] Connector for check (CN305) YM-A01 board Pattern Preparation: generator Adjusting [VOL] • control (RV201) : Maximum Remote A/V IN jack (J402) [AVLS] Commander • switch (S201) : OFF Audio YM-A01 board [BRIGHT] • control (RV301): Center (click position) Condition: VIDEO IN: Color bar Signal...
  • Page 23 Adjustment and Connection Location: Connect adjusting remote commander – YM-A01 Board (Side A) – CN305 S VIDEO IN jack (J401) A/V IN Volume Brightness jack control control (J402) (RV201) (RV301) AVLS switch (S201) – RG-A01 Board (Side B) – IC801 CN803 X801 For LCD block adjustment connector...

  • Page 24: Diagrams

    PLM-A35 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM – AUDIO/VIDEO Section – (Page 4-3) CV/S VIDEO SELECT SWITCH, VIDEO AMP IC401 EXT VIDEO (ON: PLUG IN) LEVEL SYNC CLAMP BUFFER SHIFT Q402 IC407 IC405 (1/4) BUFFER H SYNC Q408 VIDEO SELECT SWITCH, J401 VIDEO AMP S VIDEO IN...

  • Page 25: Block Diagram - Lcd Section

    PLM-A35 4-2. BLOCK DIAGRAM – LCD Section – LCD RGB DECODER, LCD DRIVE, LCD TIMING GENERATOR IC801 Y ATT Y BUFFER Y IN B OUT Q811 Q812 (Page 4-2) SYNC IN G OUT R OUT C ATT C BUFFER C IN Q813 Q814 HCK1...

  • Page 26: Block Diagram - Key Control/Power Supply Section

    PLM-A35 4-3. BLOCK DIAGRAM – KEY CONTROL/POWER SUPPLY Section – SYSTEM CONTROLLER IC301 DC IN DC IN NON DETECT SWITCH Q303 T101 DC/DC CONVERTER D108 L101 J101 L106 D102 S101 RIPPLE SWITCHING F301 AUDIO CIRCUIT (POWER SWITCH) FILTER REGULATOR DC IN 9V Q203 Q102 ON/OFF...

  • Page 27: Note For Printed Wiring Boards And Schematic Diagrams

    PLM-A35 4-5. PRINTED WIRING BOARD – YM-A01 Board – • Semiconductor 4-4. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Location (Side A) Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. •...

  • Page 28: Schematic Diagram - Ym-A01 Board (1/2)

    PLM-A35 4-6. SCHEMATIC DIAGRAM – YM-A01 Board (1/2) – • See page 4-29 for Waveforms. • See page 4-31 for IC Block Diagrams. 4-7. SCHEMATIC DIAGRAM – YM-A01 Board (2/2) – • See page 4-29 for Waveforms. (Page 4-13) (Page 4-12) (Page 4-18) (Page 4-12) (Page 4-11)

  • Page 29: Printed Wiring Board – Rg-A01 Board –

    PLM-A35 4-8. PRINTED WIRING BOARD – RG-A01 Board – 4-9. SCHEMATIC DIAGRAM – RG-A01 Board – • See page 4-29 for Waveforms. • See page 4-32 for IC Block Diagrams. (Page 4-9) • Semiconductor Location (Side A) Ref. No. Location D801 IC804 (Page 4-13)

  • Page 30: Schematic Diagram - Hp-A01 Board

    PLM-A35 4-10. PRINTED WIRING BOARD – HP-A01 Board – 4-11. SCHEMATIC DIAGRAM – HP-A01 Board – (Page 4-13) (Page 4-17) (Page 4-9) (Page 4-20) • Semiconductor Location (Side B) Ref. No. Location Ref. No. Location D702 Q704 D703 Q705 D704 Q706 D705 Q707...

  • Page 31: Schematic Diagram - Dd-A02 Board

    PLM-A35 4-12. PRINTED WIRING BOARD – DD-A02 Board – 4-13. SCHEMATIC DIAGRAM – DD-A02 Board – • See page 4-30 for Waveforms. • See page 4-33 for IC Block Diagram. (Page 4-13) (Page 4-9) • Semiconductor Location (Side B) Ref. No. Location D101 D102...
  • Page 32 • Waveforms – YM-A01 Board – 1 FL401 3, 4 6 IC301 <z// CL0 4 IC801 rd G OUT 920 mVp-p 9.6 Vp-p 1.4 Vp-p 32.768 kHz 2 IC401 7 OUT 5 IC801 rg R OUT 800 mVp-p 9.6 Vp-p –...
  • Page 33 – DD-A02 Board – 6 IC101 rk CB1 1 IC101 1 CA1 4.2 Vp-p 2.8 Vp-p 3.3 µs 3.3 µs 2 IC101 qj CT 7 Q102 Collector 18 Vp-p 624 mVp-p 3.3 µs 3.3 µs 3 IC101 ek VE4 8 Q102 Base 760 mVp-p 84 mVp-p 3.3 µs...
  • Page 34 • IC Block Diagrams – YM-A01 Board – IC201 BA3574BFS-E2 MUTE SW 11 MUTE MUTE BB SW MUTE SW PW SW 12 P.SW AVC DET IN 1 13 AVC IN MIX OUT IN 2 14 OUT 1 BIAS OUT 15 BIAS IN 16 RF OUT 17 VREF...
  • Page 35 – RG-A01 Board – IC801 CXA3017R-T6 +12V +12V VCC1 DA OUT BLKLIM WHTLIM VXO OUT 50 POL SW INT/EXT VXO IN 51 PSIG- PSIG-BRT PAL ID POL SW BRIGHT COLOR DEMOD EXT COLOR APC 52 VGATE WIDE VJOG & BALANCE PALSW R-BRT SUB-...
  • Page 36 IC804 M62367GP-75ED – – 12BIT SHIFT RESISTOR 8BIT 8BIT R-2R+SEGMENT R-2R+SEGMENT D/A CONVERTER D/A CONVERTER 8BIT ADDRESS 8BIT LATCH DECODER LATCH 8BIT 8BIT 8BIT 8BIT 8BIT 8BIT LATCH LATCH LATCH LATCH LATCH LATCH 8BIT 8BIT 8BIT 8BIT 8BIT 8BIT R-2R+SEGMENT R-2R+SEGMENT R-2R+SEGMENT R-2R+SEGMENT...

  • Page 37: Ic Pin Function Description

    4-14. IC PIN FUNCTION DESCRIPTION • YM-A01 BOARD IC301 MB89082PFV-G-118-BND (SYSTEM CONTROLLER) Pin No. Pin Name Description TEST MODE 0 Setting terminal for the test mode (Normally: fixed at “L”) TEST MODE 1 Setting terminal for the test mode (Normally: fixed at “L”) Main system clock input terminal (10 MHz) Main system clock output terminal (10 MHz) —...
  • Page 38 Pin No. Pin Name Description — Ground terminal SEG07 to SEG00 57 to 64 LCD segment drive signal output terminal Not used (open) 65 to 68 V3 to V0 Bias voltage input for the LCD drive Not used COM0 to COM3 69 to 72 LCD common drive signal output terminal Not used (open) SYNC DET...
  • Page 39 • RG-A01 BOARD IC801 CXA3017R-T6 (LCD RGB DECODER, LCD DRIVE, LCD TIMING GENERATOR) Pin No. Pin Name Description EXT R External digital R signal input terminal Not used (fixed at “L”) EXT G External digital G signal input terminal Not used (fixed at “L”) EXT B External digital B signal input terminal Not used (fixed at “L”) TRAP...
  • Page 40 Pin No. Pin Name Description — GND2 Ground terminal (analog system) G OUT G signal (primary color signal) output to the left and right LCD units FB G Capacitor connection terminal for DC voltage feedback circuit of G signal (pin rd) R OUT R signal (primary color signal) output to the left and right LCD units FB R...

  • Page 41: Exploded Views

    SECTION 5 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they may have some difference from the original are seldom required for routine service. Some one. delay should be anticipated when ordering •...
  • Page 42 (2) CABINET SECTION-2 not supplied CONNECTION CORD Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-644-739-01 BEARING (L), HINGE 4-644-735-02 VINE (L) 4-644-704-02 SPRING, NOSE 3-929-548-11 SCREW (1.7X6), +PTT 4-644-705-01 BLOCK, NOSE 4-644-737-02 BLOCK (L), HINGE 4-644-738-01 BEARING (R), HINGE 4-645-477-01 SHEET, HINGE BLIND X-4622-496-3 CABINET (REAR) ASSY...
  • Page 43 (3) IF-BOX BLOCK SECTION supplied supplied not supplied supplied supplied supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-644-715-01 COVER, BATTERY 4-644-722-01 KNOB, USER LOCK X-4622-498-1 CABINET (IF) ASSY, UPPER (US, Canadian) 1-791-933-11 CORD, CONNECTION (MR) X-4622-740-1 CABINET (IF) ASSY, UPPER (Singapore) 1-791-934-11 CABLE, FLAT (FFC) 17P 3-988-786-11 BUTTON, BATTERY RELEASE...

  • Page 44: Electrical Parts List

    SECTION 6 DD-A02 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- 0 are critical for safety.
  • Page 45 DD-A02 HP-A01 RG-A01 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R111 1-218-871-11 METAL CHIP 0.5% 1/16W Q701 8-729-402-38 TRANSISTOR 2SD1819A-R-TX R112 1-218-871-11 METAL CHIP 0.5% 1/16W Q702 8-729-402-38 TRANSISTOR 2SD1819A-R-TX R113 1-218-903-11 METAL CHIP 220K 0.5% 1/16W Q703...
  • Page 46 RG-A01 YM-A01 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C814 1-164-237-11 CERAMIC CHIP 16PF R819 1-216-864-11 SHORT C815 1-115-467-11 CERAMIC CHIP 0.22uF R820 1-216-864-11 SHORT R822 1-216-864-11 SHORT C816 1-164-677-11 CERAMIC CHIP 0.033uF C817 1-164-346-11 CERAMIC CHIP R823 1-216-864-11 SHORT C818...
  • Page 47 YM-A01 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C212 1-162-390-91 CERAMIC CHIP 330PF C404 1-124-778-21 ELECT CHIP 22uF 6.3V C214 1-164-156-11 CERAMIC CHIP 0.1uF C405 1-164-156-11 CERAMIC CHIP 0.1uF C215 1-124-778-21 ELECT CHIP 22uF 6.3V C216 1-164-346-11 CERAMIC CHIP C406...
  • Page 48 YM-A01 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark FB406 1-216-864-11 SHORT R224 1-216-864-11 SHORT FB407 1-216-295-91 SHORT R225 1-216-805-11 RES, CHIP 1/16W FB408 1-216-295-91 SHORT R226 1-216-833-91 RES, CHIP 1/16W R227 1-216-845-11 RES, CHIP 100K 1/16W FL401 1-234-186-21 FILTER, ENCAPSULATED...
  • Page 49 0 are critical for safety. sécurité. Replace only with part num- Ne les remplacer que par une pièce ber specified. portant le numéro spécifié. Sony Corporation 2000A05051-1 9-928-143-12 Information Technology Company Printed in Japan C 2000. 1 – 72 –...

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