Compaq MV7500 - Manuals

Compaq MV7500 – Manual in PDF format online.

Manuals:

Manual

Manual Compaq MV7500

Summary

Page 3 - on the schematic diagram and the replacement; CAUTION: N o m o d i f i c a t i o n o f a n y c i r c u i t s h o u l d b e; SAFETY PRECAUTIONS

SAFETY-RELATED COMPONENT WARNING!There are special components used in this color monitorwhich are important for safety. These parts are marked on the schematic diagram and the replacement parts list. It is essential that these critical parts should ber e p l a c e d w i t h t h e m a n u f a c t u r...

Page 4 - TIMING CHART; VIDEO; Mode

TIMING CHART - 4 - VIDEO SYNC C E D F A B H – 37.500 26.667 20.317 6.349 2.032 3.810 0.508 V – 75.000 13.333 12.800 0.533 0.080 0.427 0.027 H – 31.469 31.778 25.422 6.356 3.813 1.907 0.636 V – 59.940 16.683 15.253 1.430 0.064 1.048 0.318 H – 43.269 23.112 17.778 5.334 1.556 2.222 1.556 V – 85.008 11...

Page 5 - OPERATING INSTRUCTIONS; AC Power Socket; Signal Connector; See Front Control Panel; Front Control Panel; Right Adjustment; Left Adjustment

- 5 - OPERATING INSTRUCTIONS Coloreal TM FRONT VIEW REAR VIEW AC Power Socket Signal Connector See Front Control Panel Front Control Panel 1. Power/LED Controls power to the monitor.The LED on the power button is illuminated when the power is on. 2. Right Adjustment Moves clockwise through menu opti...

Page 6 - WIRING DIAGRAM; Signal; FBT

WIRING DIAGRAM - 6 - P501 P201 P405 P301 P302 P303 P702 P701 T1 P402 P902 S + S Signal Cable AC Socket FBT

Page 7 - BLOCK DIAGRAM

BLOCK DIAGRAM - 7 - MENU POWER POWER INPUT 100~240VAC (50/60Hz) LineFilter DegaussingCircuit < OSD Control > SMPS TRANS (T901) SMPSCONTROL(IC901) DPM CONTROL CIRCUIT Voltage Regulating Circuit 80V50V 15V 6.3V TILT ControlCircuit 6.3V 15V E 2 PROM (IC402) H POSITION BRIGHTNESS CONTRAST H SIZEV ...

Page 8 - DESCRIPTION OF BLOCK DIAGRAM; frequency of H and V sync.

DESCRIPTION OF BLOCK DIAGRAM - 8 - 1. Line Filter & Associated Circuit.This is used for suppressing noise of power input lineflowing into the monitor and/or some noise generated inthis monitor flowing out through the power input line.That is to say, this circuit prevents interference betweenthe ...

Page 10 - ADJUSTMENT; GENERAL INFORMATION; AUTOMATIC AND MANUAL DEGAUSSING; press; ADJUSTMENT PROCEDURE & METHOD; - Install the cable for adjustment such as Figure 1and run

- 10 - ADJUSTMENT GENERAL INFORMATION All adjustment are thoroughly checked and correctedw h e n t h e m o n i t o r l e a v e s t h e f a c t o r y , b u t s o m e t i m e sseveral adjustments may be required. A d j u s t m e n t s h o u l d b e f o l l o w i n g p r o c e d u r e a n d a f t e rwa...

Page 12 - TROUBLESHOOTING GUIDE

- 12 - TROUBLESHOOTING GUIDE 1. NO POWER NO POWER (POWER INDICATOR OFF) TROUBLE IND900 TROUBLE IN FUSE(F901) TROUBLE IN IC901 TROUBLE IN D941, D942, D951, D961, D962, D971 TROUBLE IN Q903, Q952, Q951, Q942, Q941 CHECK FUSE OK? CHECK C908 VOLTAGE? (AC120V: 160VDC, AC220V: 304VDC) NO YES YES YES YES N...

Page 15 - . N O H O R I Z O N TA L D E F L E C T I O N

- 15 - 4 . N O H O R I Z O N TA L D E F L E C T I O N NO H-DEFLECTION (ONE VERTICAL LINE) CHECK Q706? CHECK B+ VOLTAGE (50V)? CHECK T701(FBT) PIN 2 (31KHZ 60V, 69KHZ 140V) ? CHECK Q701 COLLECTOR WAVEFORM? TROUBLE IN Q706 TROUBLE IN50V LINE TROUBLE INQ719, Q720, D710 TROUBLE INQ701 TROUBLE INT701, P7...

Page 16 - Cs SIGNAL TABLE

- 16 - 5. TROUBLE IN H-LINEARITY UNBALANCED OF H-LIN. CHECK IC401 PIN 5, 6, 7 ? CHECK Q711~Q716? CHECK L703? TROUBLE IN IC401 (MICOM) TROUBLE INQ711 ~ Q716 TROUBLE INL703 TROUBLE INC722, C723, C726, C729 NO NO NO YES YES YES Cs SIGNAL TABLE HORIZONTAL FREQUENCY(fH) 30K ~ 33.9K 34K ~ 38.9K 39K ~ 43.9...

Page 17 - NO VERTICAL DEFLECTION

- 17 - 6. NO VERTICAL DEFLECTION NO V-DEFLECTION (ONE HORIZONTAL LINE) CHECK IC601 PIN 3 (15V)? CHECK IC601 PIN 7 (40V)? CHECK IC701 PIN 12, 13? TROUBLE IN R603 15V LINE TROUBLE INHIGH-VOLTAGE OUTCIRCUIT(FBT), D721, R606 TROUBLE INIC701 TROUBLE INIC601, V-CIRCUIT NO NO YES YES YES NO 3V

Page 19 - DPM TABLE

- 19 - 8. TROUBLE IN DPM CHECK IC401 (MICOM) PIN 31, 32 (H/V INPUT) SIGNAL? CHECK IC401 PIN 13 WAVEFORM? CHECK IC401 (MICOM) PIN 2, 3 ? CHECK B+ LINE (6.3V,15V, 80V) ? CHECK PC,(PC IS NOT GOING INTODPM OFF MODE) TROUBLE INX401 TROUBLE INIC401 (MICOM) TROUBLE INQ941, Q942, Q951, Q952, TROUBLE IN PC O...

Page 21 - MI

- 21 - 10. NO TILT (NO ROTATION ) NO TILT (NO ROTATION) TROUBLE IN IC401 ( MI COM) TROUBLE IN15V LINE, 6.3V LINE TROUBLE INQ501~Q503 TROUBLE INP501, TILT COIL, D521 NO YES YES YES CHECK 15V LINE AND 6.3V LINE ? CHECK Q503 EMITTER VOLTAGE ? NO NO CHECK IC401 PIN21 WAVE FORM ?

Page 22 - EXPLODED VIEW

EXPLODED VIEW - 22 - 8 B A 2 1 4 3 11 11 6 7 5 10 12 13 9

Page 23 - EXPLODED VIEW PARTS LIST; Description; METAL, FRAME BOTTOM CQ77XG

EXPLODED VIEW PARTS LIST Ref. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 A B Part No. 3091TKC078A 3091TKC078B 6318L17006A 6318E17002A 6318E17002B 6318E17002C 6318E17002D 6318E17002E 6318E17002F 6318L17005A 6318L17005B 6318L17005C 6318L17007A 6318L17007B 3809TKC044A 3809TKC044B 3043TKK093C 339-002K 6140TC3004...

Page 24 - REPLACEMENT PARTS LIST; CAUTION: BEFORE REPLACING ANY OF THESE COMPONENTS,; SAFETY Mark; AL ALTERNATIVE PARTS

- 24 - DATE: 2002. 04. 15. *S *AL LOC. NO. PART NO. DESCRIPTION / SPECIFICATION C201 0CN1040K949 0.1M 50V Z F TA52 C301 181-288N MKT 100V 103JTR PHS86103 C302 0CE107CF638 100UF SHL,SD 16V M FM5 TP 5 C303 0CK1040K945 0.1UF 50V Z F TR C304 181-288N MKT 100V 103JTR PHS86103 C305 0CE107CF638 100UF SHL,S...

Page 29 - PIN CONFIGURATION; TDA4866J Current Driven Vertical Deflection Booster; LM2469 Monolothic Triple 9nS high Gain; Logic Dirgram

PIN CONFIGURATION - 29 - TDA4866J Current Driven Vertical Deflection Booster SYMBOL INA INB V P OUTB GND OUTA V FB GUARD FEEDB PIN 1 2 3 4 5 6 7 8 9 TDA4866J 1 INA 2 INB 5 GND 6 OUTA 8 GUARD 9 FEEDB 7 VFB 4 OUTB 3 Vp TDA4866J Pin Configuration 1 9 Vin 4 1 2 5 3 START O.V.P LATCH DRIVE Vth1 Vth2 O.S....

Page 30 - TDA4857 Autosync Deflection Controller

- 30 - TDA4857 TDA4857 Autosync Deflection Controller TDA4857 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 23 22 25 24 21 20 19 18 17 32 31 30 29 28 27 26 VREF VAGC SGND VCAP VSMOD i.c SDA SCL HUNLOCK FOCUS HSMOD HPLL2 HCAP HREF HBUF HPLL1 EWDRV VOUT2 XSEL VCC VOUT1 VSYNC HSYNC CLBL PGND HFLB XRAY BOP BSE...

Page 31 - SCHEMATIC DIAGRAM

IIC-SDAIIC-SCLDDC-SDADDC-SCL - 32 - - 33 - SCHEMATIC DIAGRAM NOTICESince this is a basic schematic diagram.The value of components and some partial connection are sucject to be changed for improvement without notice.

Page 32 - PRINTED CIRCUIT BOARD

- 34 - - 35 - PRINTED CIRCUIT BOARD 3. MAIN BOARD (Component Side) 4. MAIN BOARD (Solder Side) 1. CONTROL BOARD (Component Side) 2. CONTROL BOARD (Solder Side)