Functions - Canon ZR70 MC A Service Manual

1. P.C.B. Functions
(1) MAIN P.C.B.
System-Control Section
• IC100 MODE MI-COM
• IC200 BACK UP
• IC103 RESET
Camera/Card Section
• IC1101 SDRAM
• IC1102 MACS
PM Section
• IC1802 OPE AMP
• IC3201 DC/DC CONVERTER CONTROL
• IC3202 2.7V REGULATOR
• IC3203 4.7V REGULATOR
• IC3204 2.5V REGULATOR
Video Section
• IC2000 VRP2
• IC2100 VIF2
• IC2300 FLASH
• IC2301 VIC3
• IC2302 SDRAM
MO Driver Section
• IC300 OPE AMP
• IC301 MOTOR DRIVE
Audio Section
• IC801 AUDIO INTERFACE
• IC802 SP DRIVER
• IC803 4V REGULATOR
(2) CAC P.C.B.
Camera Section
• IC1001 V-DRIVER
• IC1002 TG/CDS/AGC/AD
• IC1202 IRIS DRIVE
• IC1701 MOTOR DRIVER
CVF Section
• IC1501 EVF DRIVER
• IC1502 EEPROM
(3) CCD P.C.B.
• IC1070 CCD
(4) LCD P.C.B.
• IC901 EEPROM
• IC902 SERI/PARA CONVERTER
• IC903 LCD DRIVE
• IC4201 DC/DC CONVERTER CONTROL
CHAPTER 2. TECHNICAL DESCRIPTION
System control
MODE MI-COM resetting
Detects a DC JACK voltage to the MODE MI-COM.
Memory for MACS (64M)
Camera digital signal processing, and card image processing
Operational amplifier for charge circuit
Power PWM regulator controller
2.7V regulator
4.7V regulator
2.5V regulator
Record playback head amplifier
Analog video input/output signal processing
Memory for FR MI-COM
Digital VCR signal processing LSI, IEEE1394 interface,
FR MI-COM, and USB interface
Memory for VIC3 (64M)
Operational amplifier for reel sensor
Drum, capstan, and loading motor driver
Analog input/output signal processing
Speaker amplifier
4V regulator (for speaker amplifier)
CCD V driver
CCD, TG, CCD output signal sampling, AGC, and A/D converter
IRIS driver, and gyro output amp
Zoom, focus motor driver
EVF LCD (CVF) drive
EEPROM for CVF data, MODE MI-COM
CCD image sensor
EEPROM for LCD data
LCD power switchover
LCD signal processing and drive
Backlight drive
2-1
ZR70 MC A, ZR65 MC A, ZR60 A