Panasonic Palmcorder VHSC PalmSight PV-L759 Service Manual page 113

IC1201 PWM CONTROL IC-DETAIL
BLOCK DIAGRAM, BA9708K
24 23 22 21 20 19
+
VDD
PWM
25
REFERENCE
CONTROL
VOLTAGE
REGULATOR
26
SHORT
27
CIRCUIT
PROTECTOR
TRIANGLE
28
WAVE
LATCH
OSCILLATOR
GND
29
PWM
30
CONTROL
31
PWM
32
CONTROL
+
1 2 3 4 5 6
IC9010 RGB SIGNAL PROCESS/LCD PANEL INDICATOR CONTROL IC-DETAIL BLOCK DIAGRAM,
AN2537FHQ
36 35
18 17
37
PWM
16
38
D/A
15
DRIVE
CONVERTER
39
VCC 14
REVERSE (L/R)
40
CONTROL
13
REVERSE (UP/DOWN)
41
CONTROL
12
42 STUP
11
DRIVE
43
10
44 VDD
9
DRIVE
DL
45 VCC
DL
46
7 8
CLAMP
47
48 VREF
1 2
34 33 32 31
1/2 DIV
PHASE DETECTOR
PLL COUNTER
H COUNTER
V/H SYNC SEPARATION
DL DL
GCA
+
GCA
MATRIX CONTRAST CLAMP OSD
GCA
3 4 5 6
30 29 28 27
GND
VCO
V COUNTER
1/3 DIV
V SYNC SEPARATION
BRIGHTNESS GAMMA LIMITTER INVERTER
COMMON
CONTROL
7 8 9 10
3-16
26 25
VCC
24
23
22
21
GND 20
GND 19
VCC 18
DRIVE
17
DRIVE 16
15
DRIVE
14
13
11 12