Sony DCR-TRV900 Service Manual ▷ View online
29
7-2. Synchronization System During Normal Playback
(VTR Mode)
(Including CUE/REVIEW, SLOW, STILL and AUDIO DUB)
HI
controller
PLL
Mechanism
control
drum servo
Delay for the
mechanism
control
Birds
A/D (VAP)
GCAM
TRF
TRX
TFD
wirte system
TG
EEP ROM
Mechanism
controller
Each CS
Each CS
Each CS
EEPROM
AOI
ABC
VFD
write system
SFD
LIP
INDI
OUT
SWP, DRP
FRRV, TRRV
LINE OUT V
LINE IN V
VRef
FRRV, TRRT
TRRT
TFD
read system
Each CS
EVF DAC
Panel DAC
OSD
LCD
Camera
controller
BBI
Camera
controller
PLL
Mechanism
controller
PLL
The synchronization system that is based on the internally
generated free-running 60 Hz, is established.
generated free-running 60 Hz, is established.
VFD
read system.
Free running
Mechanism controller
Indicates TRT
Track
30
7-3. Synchronization System During Stop without
Camera Input
(Including CUE/REVIEW, SLOW, STILL and AUDIO DUB)
Birds
A/D (VAP)
GCAM
TRF
TRX
TFD
read system
TG
EEP ROM
EEPROM
AOI
ABC
VFD
read system
SFD
LIP
INDI
OUT
SWP, DRP
FRRV, TRRV
LINE OUT V
VRef
FRRV, TRRT
TRRT
TFD
wirte system
EVF DAC
OSD
LCD
BBI
HI
controller
PLL
Delay for the
mechanism
control
Mechanism
controller
Each CS
Each CS
Each CS
Each CS
Panel DAC
Camera
controller
Camera
controller
PLL
Mechanism
controller
PLL
VFD
write system.
Free running
31
8. EEPROM ADJUSTMENT PAGES AND
ADJUSTMENT ITEMS
IC Name
IC2404
C page
IC2404
D page
Item
® C page data initialization
® Servo system adjustment
® Switching position adjustment
® PLL adjustment
® AGC center level adjustment
® IR transmission video deviation adjustment
® IR transmission audio deviation adjustment
® Capstan FG duty adjustment
® T reel FG duty adjustment
® PLL fo and LPF fo adjustment
® APC & AEQ adjustment
® PLL fo & LPF fo final adjustment
® Chroma BPF fo adjustment
® S VIDEO output Y level adjustment
® S VIDEO output Cr, Cb level adjustment
® AV output Y, chroma level check
® IR transmission video carrier frequency adjustment
® C page data initialization
® Battery end adjustment
® VCO adjustment (EVF)
® Brightness adjustment (EVF)
® Contrast adjustment (EVF)
Remark
® Servo system
® Base band system
IC301
E, F pages
B page
® Backlight current consumption adjustment (EVF)
® White balance adjustment (EVF)
® VCO adjustment (LCD)
® Contrast adjustment (LCD)
® D range adjustment (LCD)
® V-COM level adjustment (LCD)
® V-COM adjustment (LCD)
® F page data initialization
® F page data modification
® Master oscillator adjustment
® Flange back adjustment
® IRIS IN/OUT adjustment
® MAX GAIN adjustment
® Auto white balance reference data loading
® Auto white balance adjustment
® Offset adjustment
® Pre white balance data loading
® LV reference data loading
® White balance ND filter correction
® Color reproduction adjustment (ND filter OFF)
® Color reproduction adjustment (NF filter ON)
® White balance check
® PSD sensor gain adjustment
® Angular velocity sensor sensitivity adjustment
® B page data initialization
® Camera system
IC Name
Item
Remark
32
PC Card
Controller
Power Reg
3.3V
H8 CPU
MS
Controller
SRAM
255kb
Controller
IC
Memory
Memory Stick
Serial I/O
ATA/IDE
PC Card
Throttle
PC Card Connector
MS Connector
Control Signal
Data Signal
MS & PC Card Adapter
Block Diagram
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