Panasonic PalmSight PV-L750 Service Manual page 200

TO MAIN VI
247
V CONTROL
FH2 248
10
SCO 254
TO MAIN IV
CAM +3.5V 180
TO MAIN IX
CAM +3.5V(1) 250
CAM +3.5V 261
TO MAIN VII
REG +4.5V(1) 4
9
R303
R304
Q301
1K Q305
2200
(BUFFER) (BUFFER)
Q302
LUMINANCE 5
2SC3931
R305
R301
(AMP) 2200
1200
R319
1K
CHROMINANCE 3
R302
TO MAIN V
680
R306
LUMINANCE 183 390
R308 390
R307
8
TO MAIN VI L302 47
10K Q303
(BUFFER)
CLOCK 249
R309 C302
1K 56P
TO MAIN IV
CS1 181
CS2 182
7
CS3 112
BLOCK END CONTROL 113
6
TO MAIN VI
CLAMP PULSE 217
BLANKING PULSE 216
V/H SYNC 215
BURST FLAG PULSE 208
H CLEAR PULSE 209
5
TO MAIN IV
4
WRITE ENABLE 114
READ ENABLE 115
TO MAIN V
IRIS PWM CONTROL 245
TO MAIN VI
A/D SIGNAL 218
3
V-SYNC 116
H-SYNC 117
V-REF(H) 102
V-REF(L) 14
C316 C317
TO MAIN IV
10/6.3V
10/6.3V
V-SYNC 220
H-SYNC 219
2
TO MAIN V
V-SYNC 253
1
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS 2SA1576A106R,
NPN TRANSISTORS IS 2SC4081T106R AND
WATTAGE OF RESISTORS IS 1/16W.
A B C
REC VIDEO SIGNAL REC VIDEO SIGNAL(PHOTO MODE)
R324
0
L304 15
Q307
20 19 18
Q306
(BUFFER)
VDD
(BUFFER)
R318 1K
R317 IC310
HD74HC244TEL
1K
C305
L303
3 STATE
47P R316
33
BUFFER
120
1 2 3
C306 R315
10/6.3V 180
R310 1K
A,B,C
C301
33P
R314 C651
2200 1000P
L308 10
C402
D
C308 Z
R326
0.1
1000P
R325 C327
Z
0.01
C307
0.1
L305
3.9
C310
R323
1/16V
4700 73 SERIAL CLOCK
74
VDD
75
GND
76
CHROMINANCE
77
LUMINANCE
78
C309 GND
79
10/6.3V VDD
80
81
R402
C311 82
R321
4700
83 GND
2200 1/16V
84
R322
VDD
85
2700
86 GND
87 CS 3
IC301
88
MN67324
89 CLOCK
DIGITAL SIGNAL
FH2
90
PROCESS
91 BLOCK END CONTROL
92 GND
93 VDD
C312
94
0.01
R369 39K
95
96 IRIS PWM CONTROL
97 CLAMP PULSE
BLANKING PULSE
98
99 V/H SYNC
WRITE ADDRESS
100 GND
ENABLE
BURST FLAG PULSE
101
102 H CLEAR PULSE
WRITE ENABLE
103
104 READ ENABLE
105
C339 GND
106
VDD
1 107
108 CLOCK
R320
560
L307 100
C318
C315
C314
0.01
0.01
10/6.3V
C319
0.01
D E F
PB VIDEO SIGNAL(PHOTO MODE) LIVE IMAGE DATA SIGNAL(CAMCORDER PC)
17 16 15 14 13 12 11
GND
4 5 6 7 8 9 10
Z
R329
R327 0
C323
10/6.3V
C321
22/6.3V
DATA 1
DATA 0
MCO(2)
DATA 2 36
MCO(3)
DATA 3
35
MCI(0)
DATA 0 34
MCI(1)
DATA 1 33
MCI(2)
DATA 2
32
MCI(3)
DATA 3 31
DATA 0 30
MYO(0)
DATA 1
29
MYO(1)
VDD 28
C326
GND
27
0.01
MYO(2)
DATA 2 26
MYO(3)
DATA 3 25
MYO(4)
DATA 4
24
MYO(5)
DATA 5 23
MYO(6)
DATA 6 22
MYO(7)
DATA 7
21
MYI(0)
DATA 0 20
MYI(1)
DATA 1
19
MYI(2)
DATA 2 18
MYI(3)
DATA 3 17
GND
16
VDD 15
MYI(4)
DATA 4
14
MYI(5)
DATA 5 13
MYI(6)
DATA 6 12
MYI(7)
DATA 7
11
10
RESET RESET 9
READ ADDRESS
8
DIGITAL CLOCK SELECT 7
V CONTROL WRITE ADDRESS
6
WRITE RESET 5
WRITE ENABLE 4
R475
3
2 47K
1
READ
C406
CLOCK
0.1
20
VDD
IC311
R397
0 HD74HC244TEL
3 STATE
R433
BUFFER
1K
C320 1
0.01
R434 1K
D
R332
0
A,B,C
R333
0
R432
1K Z
Z C404 C405
C403
G
H I
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
L312
100
C350
10/6.3V
R571 0
R480
47K
C353
R410
0.1
330
R479
47K
70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
READ RESET
IC302 WRITE ADDRESS ENABLE
ZA4035H
READ ADDRESS
FIELD
MEMORY
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35
R462 R452
C355 R450
47K
47K 47K
0.1
R572 0
C354
0.1
R451 R453
R437
47K 47K
0
R441
330
19 18 17 16 15 14 13 12 11
Z
R570 0
GND
2 3 4 5 6 7 8 9 10
C358
Z
0.1
8 7
VDD GND
IC304
SNAHC2G240HT
(BUFFER)
1 2
R438 0
C361
J K L
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-L750 A
----- B
PV-L780 C
PV-L850 D
Not Used Z
118 READ RESET
119 READ ADDRESS
120 POWER ON RESET
MCI(0)
146 DATA 0
MCI(1)
147 DATA 1
L313
MCI(2)
148 DATA 2
180
MCI(3)
149 DATA 3
C356
0.1
C351
10/6.3V
48 47 46 45 44 43 42 41 40 39 38 37 36
MCB0(0)
150 DATA 0
MCB0(1)
151 DATA 1
R454
MCB0(2)
152 DATA 2
47K
MCB0(3)
178 DATA 3
R455
47K
121 WRITE ADDRESS ENABLE
122 WRITE CLOCK
123 WRITE ADDRESS
MYI(0)
262 DATA 0
MYI(1)
263 DATA 1
MYI(2)
264
DATA 2
MYI(3)
265
DATA 3
MYI(4)
266 DATA 4
MYI(5)
267 DATA 5
MYI(6)
268
DATA 6
MYI(7)
269 DATA 7
125 READ CLOCK
126 WRITE ENABLE
MYBO(0)
179 DATA 0
MYBO(1)
199 DATA 1
MYBO(2)
6 5
200 DATA 2
GND MYBO(3)
201 DATA 3
MYBO(4)
202 DATA 4
MYBO(5)
203 DATA 5
MYBO(6)
204 DATA 6
MYBO(7)
GND 205 DATA 7
3 4
Z
127 OUTPUT ENABLE 1
M N
TO MAIN IV
LSJB8026
O