Panasonic PalmSight PV-L750 Service Manual page 202

TO MAIN III
V-SYNC 253
LUMINANCE 183
TO MAIN VI
IRIS 276
124
CAM +4.5V
TO MAIN IV
EVR MODE(L) 251
257
EVR SERIAL DATA 1
9
EVR SERIAL DATA 0 256
EVR SERIAL CLOCK 258
CAM RESET(L) 252
TO MAIN I
SUPPLY REEL PULSE 184
SAFETY TAB BROKEN(L) 185
PB CTL PULSE 186
SUPPLY PHOTO TR(L) 187
8
CAP FG 188
TO MAIN VII
H-SYNC 192
PB LUMINANCE 193
YNR 194
ENVELOPE 195
HEAD SW 196
REC CHROMINANCE 197
7
REC LUMINANCE 198
TO MAIN I
LOADING MOTOR 0 189
LOADING MOTOR 1 190
TO MAIN III
IRIS PWM CONTROL 245
TO MAIN IV
F NUMBER SIGNAL 242
FOCUS MOTOR DRIVE CONTROL 0 233
6
FOCUS MOTOR DRIVE CONTROL 1 234
FOCUS MOTOR DRIVE CONTROL 2 235
FD[3]
FOCUS MOTOR DRIVE 3 229
FD[2]
FOCUS MOTOR DRIVE 2 230
FD[1]
FOCUS MOTOR DRIVE 1 231
FD[0]
FOCUS MOTOR DRIVE 0 232
ZOOM MOTOR DRIVE CONTROL 2 239
ZOOM MOTOR DRIVE CONTROL 1 238
5
ZOOM MOTOR DRIVE CONTROL 0 237
ZD[3]
ZOOM MOTOR DRIVE 3 228
ZD[2]
ZOOM MOTOR DRIVE 2 227
ZD[1]
ZOOM MOTOR DRIVE 1 226
ZD[0]
ZOOM MOTOR DRIVE 0 225
LED CONTROL 236
FOCUS ENCODER 224
ZOOM ENCODER 223
CAM +3.5V(2) 111
4
MANUAL FOCUS 1 240
MANUAL FOCUS 0 241
(TO MF VR UNIT) FP4
AF/MF SW 1
GND 2
R752 0
ADC +3.5V 3
R701 3300
MANUAL FOCUS 0 4
R704 3300
MANUAL FOCUS 1 5
GND 6 C701 R703 C702
R702
100K 3900P 100K 3900P
3
(TO LENS UNIT) FP9
AF +4.5V 1
LED CONTROL 2
FOCUS ENCODER 3
ZOOM ENCODER 4
ZMT[2]
ZOOM MOTOR 2 5
ZMT[4]
ZOOM MOTOR 4 6
ZMT[3]
ZOOM MOTOR 3 7
ZMT[1]
ZOOM MOTOR 1 8
GND 9
ALC CONTROL(-) 10
2
ALC MAIN(+) 11
ALC CONTROL(+) 12
HOLE[2]
HALL IN(+) 13
HOLE[3]
HALL OUT(-) 14
HOLE[1]
HALL IN(-) 15
HOLE[4]
HALL OUT(+) 16
FMT[3]
FOCUS MOTOR 3 17
FMT[2]
FOCUS MOTOR 2 18
FMT[1]
FOCUS MOTOR 1 19
FMT[4]
FOCUS MOTOR 4 20
1
A B C
ZD[0-3]
R726
5600
R709 R711
10K 10K
R718
5600
7 6 5 4 3 2 1
R705 R706 R708
10K 39K 39K
LOGIC CONTROL
R707
IC701
Q703
100 LB1837M-TE-L
R710 MOTOR DRIVE
LED
(ZOOM MOTOR DRIVE)
CONTROL 10K
GND GND VCC
8 9 10 11 12 13 14
C703 C704
0.1 0.1
ZMT[1-4]
HOLE[1-4]
FMT[1-4]
D E
S301
1 GND
2 IRIS
3 GND
4
(TO TOP OPERATION UNIT)
5
FP3
6 EVR MODE(L) R391
V REF(H) 1
7 CAM +4.5V
ZOOM SWITCH DET 2
8 EVR SERIAL DATA 1 R431 100
AF GND 3
9 V-SYNC R389 100
SP(L)/SLP(H) 4
10 EVR SERIAL DATA 0
POWER LED ON(L) 5
11 CAM RESET(L)
LED +4.5V 6
12 EVR SERIAL CLOCK
REC LED ON(L) 7
13
REC (L) 8
14 LUMINANCE
POWER SW 9
15
SCAN 2 10
16
PHOTO ON(L) 11
17
DEW SENSOR 12
18
SCAN 1 13
19 SUPPLY REEL PULSE
SCAN 3 14
20
PHOTO REC(H)/PB(L) 15
21 SAFETY TAB BROKEN(L) R393 3300
CAM KEY DATA 3 16
22 PB CTL PULSE R394 3300
CAM KEY DATA 2 17
23 SUPPLY PHOTO TR(L) R388 100
EJECT SW 18
24 CAP FG R387 100
SCAN 4 19
25
WIPE(L) 20
26 H-SYNC R386 100
DISPLAY SW ON(L) 21
27 PB LUMINANCE R384 100
KEY DATA 4 22
28 YNR R383 0
GND 23
29 ENVELOPE
24
30 HEAD SW R385 220
REG +4.5V 25
31 GND R390 100
KEY DATA 3 26
32 REC CHROMINANCE
33 REC LUMINANCE
34 GND
35 LOADING MOTOR 0
36 LOADING MOTOR 1
FD[0-3]
R745
3.9
1/8W
R744
3.3
1/8W
R730
5600
7 6 5 4 3 2 1
LOGIC CONTROL
IC702
LB1837M-TE-L
MOTOR DRIVE
(FOCUS MOTOR DRIVE)
GND GND VCC
8 9 10 11 12 13 14
C708 47/16V
R754 R755
0 0
C706 C707
0.1 0.1 R346
47K
G
F H
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
0 R751 1M
R750 1M
R368
27K
C340 R370
0.01 4700
Q310
R364 R365
4700 2.2M
IRIS AMP
DRIVE
7 6 5 4 3 2 1
IC309
BA10324AFVE1
HALL/IRIS
AMP
8 9 10 11 12 13 14
R357
R361
Z
470K
1K
R353
C342
C343 Q311
5600 0.1
HALL AMP
R360 DRIVE
R355
330
330K
R356
R349 C709
390K
56K 0.01
R358 R359 R362 R363
12K 12K 100 12K
I J K
COMPARISON CHART
OF MODELS & MARKS
TO MAIN IV
MODEL MARK
222 ZOOM SWITCH DET
TO MAIN I
PV-L750 A
45 SP(L)/SLP(H)
----- B
44 POWER LED ON(L)
PV-L780 C
TO MAIN IX
PV-L850 D
88 LED +4.5V
Not Used Z
TO MAIN I
43 REC LED ON(L)
42 REC(L)
41 POWER SW
40 SCAN 2
206 PHOTO ON(L)
39 DEW SENSOR
38 SCAN 1
37 SCAN 3
207 PHOTO REC(H)/PB(L)
TO MAIN IV
243 CAM KEY DATA 3
244 CAM KEY DATA 2
TO MAIN I
35 EJECT SW
34 SCAN 4
TO MAIN IV
221 WIPE(L)
TO MAIN I
36 DISPLAY SW ON(L)
33 KEY DATA 4
32 REG +4.5V
31 KEY DATA 3
TO MAIN IX
24 UNREG
22 AF +8.6V
23 AF +4.5V
TO MAIN VI
68 HALL OFFSET CONTROL
73 HALL AMP GAIN CONTROL
277 V-REF(L)
95 IRIS CONTROL
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS 2SA1576A106R,
NPN TRANSISTORS IS 2SC4081T106R AND
WATTAGE OF RESISTORS IS 1/16W.
LSJB8026
L