Panasonic PalmSight PV-L750 Service Manual page 203

8
TO MAIN III
BURST FLAG PULSE 208
H CLEAR PULSE 209
FH2 248
V/H SYNC 215
V CONTROL 247
7
L601
TO MAIN IX
47
CAMERA +3.5V(1) 1
C605
22/6.3V
Z Z
C661 R604
6
TO MAIN III
CLOCK 249
R677 R608
R689
R678
TO MAIN IV 0 100
100
Z
8FSC 275 R610 0 D
R611 0
5 4
R625 10K
VDD
R627 Z
R688
R654
Z
10K
GND
1 2 3
IC606
TC7S08FTE85L
5
(AND GATE) R685
R612
100 R613
0
Z
A,B,C A,B,C
TO MAIN I
R618 0
TG OFF CONTROL 191 R614
0
D R619 0
R686
3900
D
IC602
MN5293-1
TIMING SIGNAL
GENERATOR
4
R609
C607
820
15P
680
D
R690
0
R687
0
TO MAIN IV
C610
SYSTEM CLOCK 274
10P
A,B,C
TG LOAD 210
3
SUB CONTROL PULSE 211
TO MAIN III
BLANKING PULSE 216
CLAMP PULSE 217
H-SYNC 117
V-SYNC 116
SCO 254
2
TO MAIN V
HALL OFFSET CONTROL 68
HALL AMP GAIN CONTROL 73
IRIS CONTROL 95
TO MAIN IV
D/A SERIAL CLOCK 212
D/A SERIAL DATA 213
R653
D/A LOAD 214
1
TO MAIN III
A/D SIGNAL 218
A A A B
REC VIDEO SIGNAL
A,B,C R684
C604
47K
15P
C615 0.01 R630 0
R641 0
Z
D
R615
R643 0
0
C613
0.1
R603
0
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
V3 CHARGE PULSE
49 CLOCK 32
CLOCK V1 CHARGE PULSE
50 31
V4 PULSE
51 30
V3 PULSE
52 29
53 V2 PULSE 28
V1 PULSE
54 27
SUB CONTROL PULSE
55 26
VDD DOUBLE SAMPLING PULSE 1 WIDTH VDD
56 25
DOUBLE SAMPLING PULSE 1 WIDTH
GND
57 24
DOUBLE SAMPLING PULSE 2 WIDTH
SUB CONTROL PULSE
58 DOUBLE SAMPLING PULSE 2 WIDTH 23
TG LOAD
59 TG OFF CONTROL 22
FCK DUTY CONTROL
60 21
FCK DUTY CONTROL
61 V/H SYNC 20
62 FH2 19
TG SERIAL DATA
SERIAL CLOCK V-SYNC
63 18
VDD H-SYNC
64 17
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
TP601
A,B,C
D
R616 1M R680
R620
Z
R624
330
1800
X601
R617
A,B,C
VSXW0096
0
R625
C611
15P
1K
C D E
Z
D605
R629
V[0-6]
C618 C614 R626
0.01 0.47 18K
V[6]
V[5]
R694
0
V[4]
20 19 18 17 16 15
V[3]
V[2]
V[1]
IC603
V[0] MN3112SA-E1
CCD
V DRIVE
1 2 3 4 5 6
C634 2.2/16V
Z
C637 1 C636 1
R623 4700
Q617
WF2
R650 1K
R670 10K
A,B,C
(BUFFER)
Z
Z
R652 1K
WF3
36 35 34 33 32 31
C647 0.1
37 GAMMA
R656 0
CONTROL
C638 38
1
39
Z
C652 40 VCC
AMP
R659
GND
41
5600
42
S/H AMP
43
C639 1
44
CLAMP
45
C640 0.1
Z
90 DET
R658 46
VDD
47
FCK
48
C641
0.1
Z
1 2 3 4 5 6
R693
WF4
F G
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
L602
15
FP8
1 CAM +15V
2 SUBTRACTION PULSE
3 CAM -8V
4 V1
14 13 12 11
5 V2
6 V3
7 V4
8 RESET PULSE
9 H1
10 H2
R692 0
11 GND
12 CAMERA SIGNAL
WF1
7 8 9 10
R644
33
C633
2.2/16V
R645 0
R646 100
C623
10/16V
C646
10/6.3V
Z
Q605
R691
L605 15
0 (SWITCHING)
R683
IC605
AN2109NFHQ 100
30 29 28 27 26 25
SAMPLING HOLD
/AGC CONTROL
DOUBLE 24
SAMPLING
23
HOLD
22
21
C645 0.1
V-REF(L) 20
C644 0.1
V-REF(H) 19
C643 10/6.3V
V-REF(M)
18
C642 22/6.3V
VDD
17
16
15 R635
0
14
D/A C616
13
CONVERTER 0.1
R639
1M
7 8 9 10 11 12
H I
COMPARISON CHART
OF MODELS & MARKS
MODEL MARK
PV-L750 A
----- B
PV-L780 C
PV-L850 D
Not Used Z
CCD C.B.A.
R601
3300
R602
47 7 6 5 4 3
1/8W
V0 GND V1 V2 V3
IC601 MN371132FT-M
Z
MN39241FT D
R636
(CCD)
RESET
1
VDD GNDSUB PT H1 H2
2
8 9 10 11 12
3
4
R661
5
100
6
C603 C664
7
0.1 0.1
8
9
10
Z
C601
11
1/25V
12
VJBW1617F
TO MAIN IX
20 CAM -8V
19 CAM +15V
21
CAM +4.5V
TO MAIN V
124 CAM +4.5V
TO MAIN VII
Z
R634
92 AUDIO EE(H)
15K
D
Z Q606
R633 (SWITCHING)
R640
C617
1
R632
TO MAIN V
276 IRIS
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS 2SA1576A106R,
NPN TRANSISTORS IS 2SC4081T106R,
DIODES IS MA110 AND
WATTAGE OF RESISTORS IS 1/16W.
R662 TO MAIN IX
1K
107 SP VOLUME CONTROL
TO MAIN III
14 V-REF(L)
102 V-REF(H)
TO MAIN V
277 V-REF(L)
LSJB8026
J K L
2 1
V4
A,B,C
13 14