Block Diagram - Nokia 920C Service Manual

8-1 Block Diagram

D-SUB
R.G.B
POWER SYNC
H-SYNC
V-SYNC
INPUT
H-SYNC
TRIGGER
PWM CONTROL &
SWITCHING FET
DP308P
RECTIFIER
AC INLET SOCKET
LINE FILTER
D3SBA60
AC INPUT DEGAUSS
90-264VAC OPERATION
60/50Hz
D-COIL
H-SYNC
V-SYNC
CRYSTAL
12MHz
LED
MICROPROCESSOR
SOG
KS88P6232N
S-CORRECTION
CONTROL BUTTON
H_LIN.
OSD CALL/ENTER
POSITION/SIZE MOIRE
PIN/TRAP
PARALLEL/ROTATION
CHOOSE OR ADJUST
CLAMP
MENU BUTTON
POWER BUTTON
ACL
CONTRAST
BRIGHTNESS
720C/920C
SOG
CONTROL
24LC21A
H-DRIVE
SDA/SCL
ERROR
DETECT
& FEED BACK
R
+210V
VIDEO OUTPUT
+80V
+25V
SWITCHING
+14V
TRANS
+7V CRT HEATER
-14V VERT OUT
+14V_I VOLTAGE
REGULATOR
KA7805
POWER OFF
CONTROL
DEGAUSS
DDC-DATA
DDC-CLK
S-RASTER
H-SYNC/ HOR.VER. OSC
TILT
PROCESSING
V-SYNC
SAM9222G
OUT
SDA/SCL
MUTE
DDC-DATA
DDC-CLK
D D C
HORIZONTAL
ACL
BLANK
CLAMP
VIDEO PRE-AMP
VPS14
M52748
(for 19")
LM2405
KA2506 (for 17")
G B
OSD
COLOR ADJUST
KS2501
CONTROL(JIG)
COLOR GAIN CONTROL
VOLTAGE
REGULATOR
SELECT
KA78R12 +12V
+5V
HOR. REGULATION
HORIZONTAL
OUTPUT
REGULATION
CONTROL (PWM CONTROL)
REGULATION
SENSER
SUSPEND
HOR. OUTPUT
2SC5584
HOR. DRIVE
H-AFC
HORIZONTAL
S-CORRECTION
FOCUS CIRCUIT
H/V OUTPUT
H/V DRIVE
FBT
2SK2761
ERROR
H/V REGULATION
FEEDBACK
X-RAY
PROTECTOR
VERTICAL BLANKING
GENERATOR
VERTICAL OUTPUT
V-DY
KA2142
CRT
VIDEO
OUTPUT R G B
(for 19")
(for 17")
VIDEO
H-FLB CUTOFF
CONTROL
V-FLB
HORIZONTAL
BRIGHTNESS
BLANK CONTROL
MUTE
H-DY
H-LIN
HIGH VOLTAGE
FOCUS1, 2
G2
SCREEN
DYNAMIC
VERTICAL FOCUS
FOCUS
CIRCUIT
8-1