VIDEO TECHNICAL GUIDE
COPYRIGHT © 1999 VICTOR COMPANY OF JAPAN, LTD.
No. 86047
Apri 1999
GR-AXM700U/AXM500EK/AXM870S
(NTSC/PAL/SECAM)
VHS VIDEO MOVIE
INDEX
INDEX-1
SECTION 1
OUTLINE
1.1
GENERAL STATEMENT OF 1998 CAMCORDERS ..........................................................1-1
1.2 TABLE OF CAMCORDER MODELS (NEWLY PUT ON THE MARKET IN 1998) .................1-1
1.2.1 Table of camcorder models ............................................................................................1-1
SECTION 2
DSC CIRCUIT
GR-AXM700U/AXM500EK/AXM870S
2.1
LIST OF CAMCORDER WITH A BUILT-IN DSC................................................................2-1
2.2
SIGNAL FLOW ..................................................................................................................2-2
2.3
DSC BLOCK......................................................................................................................2-3
2.3.1 DSC block diagram ........................................................................................................2-3
2.4
OUTLINE OF DSC CIRCUIT .............................................................................................2-4
2.5
CPU INTERFACE (IC8001) ...............................................................................................2-5
2.5.1 CPU interface (IC8001) pin location...............................................................................2-6
2.5.2 CPU interface (IC8001) block diagram...........................................................................2-7
2.5.3 CPU interface (IC8001) pin functions .............................................................................2-8
2.6
DSC CPU (IC8002)............................................................................................................2-11
2.6.1 DSC CPU (IC8002) pin location .....................................................................................2-11
2.6.2 DSC CPU (IC8002) block diagram.................................................................................2-12
2.6.3 DSC CPU (IC8002) pin function.....................................................................................2-13
2.6.4 DSC CPU (IC8002) pin functions ...................................................................................2-14
2.7
1M FLASH MEMORY (IC8003) .........................................................................................2-16
2.7.1 1M Flash memory (IC8003) pin location.........................................................................2-16
2.7.2 1M Flash memory (IC8003) block diagram ....................................................................2-17
2.7.3 1M Flash memory (IC8003) pin functions.......................................................................2-18
2.8
RS232C INTERFACE (IC8006) .........................................................................................2-19
2.8.1 RS232C INTERFACE (IC8006) pin location & block diagram ........................................2-19
2.8.1 RS232C Interface (IC8006) pin functions.......................................................................2-19
2.9
RESET CIRCUIT (IC8004, IC8007, IC8008, IC8009) ........................................................2-20
SECTION 3
CAMERA CIRCUIT
3.1 CCD IMAGE SENSOR .........................................................................................................3-1
3.1.1 Pixel arrangement..........................................................................................................3-1
3.1.2 CCD ratings ...................................................................................................................3-1
3.1.3 CCD block diagram & pin location..................................................................................3-2
3.1.4 CCD pin functions ..........................................................................................................3-2
3.2
CDS / AGC / AD (IC5202)..................................................................................................3-3
3.2.1 CDS/AGC/AD (IC5202) block diagram & pin location.....................................................3-3
3.2.2 CDS/AGC/AD (IC5202) pin functions .............................................................................3-4
INDEX-2
3.3 TG / VIDEO DRIVER (IC5201) .............................................................................................3-5
3.3.1 TG / Video driver (IC5201) block diagram & pin location ................................................3-5
3.3.2 TG / Video driver (IC5201) pin functions ........................................................................3-6
3.4 DOWN CONVERTOR (IC5203/IC4002/IC4005)...................................................................3-7
3.4.1 Down converter (IC5203/IC4002/IC4005) block diagram & pin location .........................3-7
3.4.2 Down converter (IC5203/IC4002/IC4005) pin functions .................................................3-7
3.5
DSP (IC4001) ....................................................................................................................3-8
3.5.1 DSP (IC4001) pin location..............................................................................................3-9
3.5.2 DSP (IC4001) block diagram .........................................................................................3-10
3.5.3 DSP (IC4001) pin functions............................................................................................3-11
3.6 FILTER & AMP (IC4003) ......................................................................................................3-14
3.6.1 Filter & Amp (IC4003) block diagram & pin location .......................................................3-14
3.6.2 Filter & Amp (IC4003) pin functions ...............................................................................3-14
3.7 Y/C (IC3001) ........................................................................................................................3-15
3.7.1 Y/C (IC3001) pin location ...............................................................................................3-15
3.7.2 Y/C (IC3001) block diagram...........................................................................................3-16
3.7.3 Y/C (IC3001) pin functions .............................................................................................3-17
3.8
3 INPUT VIDEO SWITCH (IC3051) ...................................................................................3-18
3.8.1 3 input video switch (IC3051) block diagram & pin location............................................3-18
3.8.2 3 input video switch (IC3051) pin functions ....................................................................3-18
3.9
1H DELAY LINE + CCD COMB FILTER (IC3101)..............................................................3-19
3.9.1 1H delay line + CCD comb filter (IC3101) pin location ...................................................3-19
3.9.2 1H delay line + CCD comb filter (IC3101) pin functions..................................................3-19
3.10
D/A CONVERTER (IC4301).............................................................................................3-20
3.10.1 D/A converter (IC4301) block diagram & pin location ...................................................3-20
3.10.2 D/A converter (IC4301) pin functions ...........................................................................3-21
3.11
STEPPING MOTOR DRIVE (IC4501) ..............................................................................3-22
3.11.1 Stepping motor drive (IC4501) pin location...................................................................3-22
3.11.2 Stepping motor drive (IC4501) block diagram ..............................................................3-23
3.11.3 Stepping motor drive (IC4501) pin functions.................................................................3-24
SECTION 4
DECK CIRCUIT
4.1 PRE/REC (IC3501) ..............................................................................................................4-1
4.1.1 PRE/REC (IC3501) block diagram & pin location...........................................................4-1
4.1.2 PRE/REC (IC3501) pin functions ...................................................................................4-2
4.2 AUDIO PROCESS (IC2001).................................................................................................4-3
4.2.1 Audio process (IC2001) block diagram & pin location ....................................................4-3
4.2.2 Audio process (IC2001) pin functions ............................................................................4-4
4.3 CPU (IC101).........................................................................................................................4-5
4.3.1 CPU (IC101) pin location ...............................................................................................4-5
4.3.2 CPU (IC101) pin functions .............................................................................................4-6
INDEX-3
4.4 RTC (IC104).........................................................................................................................4-9
4.4.1 RTC (IC104) block diagram & pin location .....................................................................4-9
4.4.2 RTC (IC104) pin functions..............................................................................................4-9
4.5 EEPROM (IC105).................................................................................................................4-10
4.5.1 EEPROM (IC105) block diagram & pin location .............................................................4-10
4.5.2 EEPROM (IC105) pin functions .....................................................................................4-11
4.6 SYSCON SUB (IC108) .........................................................................................................4-12
4.6.1 SYSCON SUB (IC108) pin location................................................................................4-12
4.6.2 SYSCON SUB (IC108) pin functions..............................................................................4-13
4.7 OSD (IC109) ........................................................................................................................4-14
4.7.1 OSD (IC109) pin location ...............................................................................................4-14
4.7.2 OSD (IC109) block diagram ...........................................................................................4-14
4.7.3 OSD (IC109) pin functions .............................................................................................4-15
4.8 CTL AMP (IC1201)...............................................................................................................4-16
4.8.1 CTL AMP (IC1201) block diagram & pin location ...........................................................4-16
4.8.2 CTL AMP (IC1201) pin functions....................................................................................4-17
4.9 MECHA MDA (IC1601) ........................................................................................................4-18
4.9.1 MECHA MDA (IC1601) pin location ...............................................................................4-18
4.9.2 MECHA MDA (IC1601) block diagram ...........................................................................4-19
4.9.3 MECHA MDA (IC1601) pin functions .............................................................................4-20
4.10 REGULATOR (IC6001) ......................................................................................................4-22
4.10.1 REGULATOR (IC6001) block diagram & pin location ...................................................4-22
4.10.2 REGULATOR (IC6001) pin functions ...........................................................................4-23
SECTION 5 MONITOR & SPEAKER / E. VF CIRCUITS
5.1 RGB DECODER / DRIVER (IC7502)....................................................................................5-1
5.1.1 RGB decoder / driver (IC7502) block diagram & pin location .........................................5-1
5.1.2 RGB decoder / driver (IC7502) pin functions..................................................................5-2
5.2 TIMING CONTROL (IC7505) ...............................................................................................5-3
5.2.1 Timing control (IC7505) block diagram & pin location.....................................................5-3
5.2.2 Timing control (IC7505) pin function...............................................................................5-4
5.3 E. VF (IC7001) .....................................................................................................................5-5
5.3.1 E. VF (IC7001) block diagram & pin location..................................................................5-5
5.3.2 E. VF (IC7001) pin functions ..........................................................................................5-5
SECTION 6 SECAM CIRCUIT
6.1 SECAM COLOR PROCESS (IC3401)..................................................................................6-1
6.1.1 SECAM color process (IC3401) block diagram & pin location ........................................6-1
6.1.2 SECAM color process (IC3401) pin functions ................................................................6-2
6.2 SECAM COLOR (IC4751) ....................................................................................................6-3
6.2.1 SECAM color (IC4751) block diagram & pin location .....................................................6-3
6.2.2 SECAM color (IC4751) pin functions..............................................................................6-4
INDEX-4
6.3 BASEBAND DELAY LINE (IC4752)......................................................................................6-5
6.3.1 Baseband delay line (IC4752) pin location .....................................................................6-5
6.3.2 Baseband delay line (IC4752) block diagram .................................................................6-5
6.3.3 Baseband delay line (IC4752) pin functions ...................................................................6-6
6.4 SYNC SEPARATOR (IC4754) ..............................................................................................6-7
6.4.1 Sync separator (IC4754) block diagram & pin location...................................................6-7
6.4.2 Sync separator (IC4754) pin functions ...........................................................................6-7