R325
R324
0
L305
3.9
R323
4700
R321
2200
R322
2700
C307
0.1
C312
0.01
R320
560
C315
0.01
L307 100
C327
0.01
R326
R327 0
R329
R402
4700
C318
0.01
R332
0
R333
0
C320
0.01
C319
0.01
R315
180
R314
2200
C302
56P
R316
120
R317
1K
R318 1K
R319
1K
L303
33
C305
47P
R310 1K
R309
1K
L302 47
C301
33P
R306
390
R308 390
R307
10K
R302
680
R304
2200
R305
2200
R303
1K
R301
1200
C339
1
C326
0.01
C306
10/6.3V
C317
10/6.3V
C311
1/16V
C316
10/6.3V
C314
10/6.3V
C323
10/6.3V
C321
22/6.3V
C310
1/16V
2SC3931
0.1
C358
100
L312
C361
0
R437
0.1
C355
47K
R480
330
R441
10/6.3V
C351
0
R438
180
L313
10/6.3V
C350
47K
R479
0.1
C353
SNAHC2G240HT
47K
R462
0.1
C356
HD74HC244TEL
1K
R434
HD74HC244TEL
47K
R473
1K
R432
47K
R471
C406
0.1
C403
47K
R472
C405
47K
R476
47K
R470
47K
R474
1K
R433
1000P
C308
0
R570
R571 0
0
R572
MN67324
L304 15
0.1
C354
C309
10/6.3V
R369 39K
L308
10
47K
R475
0.1
C402
C404
R397
0
1000P
C651
R415
330
R414
330
R413
330
ZA4035H
1
VDD
2
VDD
3
/BSMODE
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
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
R412
330
R411
330
R410
330
R451
47K
R450
47K
R454
47K
R455
47K
R453
47K
R452
47K
R477
47K
CAM +3.5V
V CONTROL
4
7
8
2
6
9
1
5
3
10
H
C
A
N
I
D
O
J
E
K
F
L
G
B
M
Z
Z
49
91
107
8
11
83
137
89
123
59
54
25
115
30
132
70
121
27
46
77
88
103
93
13
21
22
97
130
105
133
55
56
18
136
64
5
141
111
29
79
96
92
80
14
31
7
104
129
86
127
52
16
72
23
140
110
33
61
134
99
69
85
126
100
36
12
24
74
135
87
116
20
143
68
124
15
65
114
73
125
102
10
28
101
120
98
118
108
6
113
138
45
32
58
139
60
117
75
81
2
17
94
131
76
67
66
50
1
109
63
35
51
122
3
71
90
128
106
95
34
26
84
112
78
48
57
9
144
53
19
142
47
119
4
62
82
38
40
39
41
43
37
44
42
16
2
17
1
13
3
12
18
20
15
5
10
9
19
8
11
4
14
6
7
16
2
17
1
13
3
12
18
20
15
5
10
9
19
8
11
4
14
6
7
2
1
3
5
8
4
6
7
Z
D
Z
Z
Z
Z
DATA 1
CLAMP PULSE
DATA 3
BLANKING PULSE
VDD
GND
V/H SYNC
GND
VDD
GND
BURST FLAG PULSE
DATA 0
VDD
H CLEAR PULSE
V CONTROL
V CONTROL
WRITE ENABLE
DIGITAL CLOCK SELECT
READ ENABLE
DIS IRQ
GND
VDD
CLOCK
DIGITAL SIGNAL
PROCESS
V/H SYNC
GND
VDD
VDD
VDD
CS 2
V-REF(L)
CS 1
V CONTROL
GND
V-REF
VDD
GND
CHROMINANCE
V-REF(H)
A/D SIGNAL
GND
V-SYNC
H-SYNC
ADDRESS 7
LUMINANCE
ADDRESS 6
SERIAL CLOCK
ADDRESS 5
GND
VDD
VDD
GND
VDD
ADDRESS 3
GND
ADDRESS 2
CS 3
CLOCK
BLOCK END CONTROL
ADDRESS 4
ADDRESS 0
ADDRESS 1
DATA 7
DATA 6
DATA 4
DATA 5
GND
DATA 2
VDD
REC VIDEO SIGNAL
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
(BUFFER)
(AMP)
LUMINANCE
REG +4.5V(1)
LUMINANCE
CHROMINANCE
DA(2)
DA(1)
ADR(2)
ADR(7)
DA(3)
DA(0)
ADR(3)
ADR(6)
DA(7)
ADR(1)
ADR(5)
DA(6)
ADR(4)
DA(5)
DA(4)
ADR(0)
DA(4)
ADR(1)
DA(3)
ADR(0)
ADR(5)
DA(0)
DA(2)
DA(6)
ADR(3)
DA(1)
ADR(4)
ADR(6)
ADR(2)
DA(5)
DA(7)
ADR(7)
DATA 1
DATA 3
DATA 7
DATA 0
ADDRESS 4
ADDRESS 2
DATA 5
ADDRESS 5
ADDRESS 1
ADDRESS 0
DATA 2
ADDRESS 3
DATA 6
ADDRESS 7
DATA 4
ADDRESS 6
TO MAIN IV
DIS IRQ
TO MAIN IV
MCI(2)
MCB0(1)
MYBO(0)
MCI(3)
MCB0(2)
MYBO(7)
MCI(0)
MYBO(6)
MYBO(3)
MYBO(5)
MCB0(0)
MYBO(4)
MCB0(3)
MYBO(1)
MCI(1)
MYBO(2)
MYI(1)
MYI(0)
MYI(3)
MYI(2)
MYI(5)
MYI(4)
MYI(6)
MYI(7)
MYO(0)
MYBO(2)
MYBO(3)
MYBO(1)
MYBO(0)
MC0(1)
MC0(2)
MC0(0)
MC0(3)
MYO(1)
MYO(2)
MYO(3)
MCBO(0)
MCBO(1)
MCBO(2)
MCBO(3)
MYBO(4)
MYBO(6)
MYBO(5)
MYBO(7)
MYO(4)
MYO(5)
MYO(6)
MYO(7)
MCO(2)
MCO(3)
MCI(0)
MCI(1)
MCI(2)
MCI(3)
MYO(0)
MYO(1)
MYO(2)
MYO(3)
MYO(4)
MYO(5)
MYO(6)
MYO(7)
MYI(1)
MYI(0)
MYI(3)
MYI(2)
MYI(5)
MYI(6)
MYI(7)
MYI(4)
MCO(0)
MCO(1)
MCB0(0)
MCB0(2)
MCB0(3)
MCB0(1)
FH2
CAM +3.5V(1)
CS1
CS2
CLOCK
CS3
BLOCK END CONTROL
CLAMP PULSE
BLANKING PULSE
V/H SYNC
BURST FLAG PULSE
H CLEAR PULSE
WRITE ENABLE
READ ENABLE
IRIS PWM CONTROL
A/D SIGNAL
V-SYNC
V-SYNC
H-SYNC
V-REF(H)
H-SYNC
V-REF(L)
MYBO(0)
MYBO(2)
MYBO(3)
MYBO(1)
MYBO(4)
MYBO(5)
MYBO(6)
MYBO(7)
TO MAIN IV
TO MAIN IV
FH2
FH2
TO MAIN IV
TO MAIN IV
MCI(0)
MCI(1)
MCI(2)
MCI(3)
TO MAIN VI
TO MAIN IX
TO MAIN VII
TO MAIN VI
TO MAIN V
TO MAIN VI
TO MAIN V
TO MAIN VI
TO MAIN IV
READ RESET
READ ADDRESS
3 STATE
BUFFER
3 STATE
BUFFER
WRITE RESET
(BUFFER)
FIELD
MEMORY
POWER ON RESET
DATA 0
DATA 1
DATA 2
DATA 3
DATA 0
DATA 1
DATA 2
DATA 3
WRITE ADDRESS ENABLE
WRITE CLOCK
WRITE ADDRESS
READ CLOCK
WRITE ENABLE
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
OUTPUT ENABLE 1
GND
VDD
GND
VDD
DATA 0
DATA 1
DATA 2
DATA 3
DATA 2
DATA 3
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
DATA 0
DATA 1
DATA 2
DATA 3
DATA 4
DATA 5
DATA 6
DATA 7
GND
GND
GND
READ
CLOCK
WRITE ENABLE
WRITE RESET
WRITE ADDRESS
WRITE ADDRESS
ENABLE
READ ADDRESS
RESET RESET
GND
GND
GND
GND
GND
DATA 0
DATA 1
GND
GND
GND
GND
GND
VDD
GND
GND
GND
GND
GND
GND
GND
GND
DATA 6
DATA 4
DATA 0
DATA 1
DATA 3
DATA 2
DATA 5
DATA 7
DATA 0
DATA 1
DATA 3
DATA 2
WRITE CLOCK
WRITE ENABLE
WRITE ADDRESS
WRITE ADDRESS ENABLE
WRITE RESET
POWER ON RESET
READ CLOCK
READ ADDRESS
READ RESET
DATA 0
DATA 1
DATA 3
DATA 2
DATA 6
DATA 4
DATA 7
DATA 5
DATA 0
DATA 1
DATA 3
DATA 2
GND
GND
GND
VDD
TO MAIN V
V-SYNC
D
SCO 254
CAM +3.5V 261
MYI(0)
DATA 0
MYI(1)
DATA 1
MYI(2)
DATA 2
MYI(3)
DATA 3
MYI(4)
DATA 4
MYI(5)
DATA 5
MYI(6)
DATA 6
MYI(7)
DATA 7
UNLESS OTHERWISE SPECIFIED;
PNP TRANSISTORS IS 2SA1576A106R,
NPN TRANSISTORS IS 2SC4081T106R AND
WATTAGE OF RESISTORS IS 1/16W.
IRIS PWM CONTROL
A,B,C
A,B,C
Z
REC VIDEO SIGNAL(PHOTO MODE)
PB VIDEO SIGNAL(PHOTO MODE)
LIVE IMAGE DATA SIGNAL(CAMCORDER PC)
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
COMPARISON CHART
OF MODELS & MARKS
A
B
C
D
Z
MODEL
MARK
PV-L750
-----
PV-L780
PV-L850
Not Used
Summary of Contents for PalmSight PV-L750
Page 7: ...5 1 2 INTERCONNECTION OF EXTENSION CABLES Fig 1 2 7 ...
Page 12: ...12 ...
Page 13: ...13 ...
Page 14: ...14 ...
Page 15: ...15 ...
Page 16: ...5 1 5 DESCRIPTION OF EMERGENCY INDICATIONS 16 ...
Page 27: ...5 2 IC TRANSISTOR AND CHIP PART INFORMATION 6 DISASSEMBLY ASSEMBLY PROCEDURES 27 ...
Page 28: ...6 1 CABINET SECTION 6 1 1 Disassembly Flowchart 6 1 2 Main Parts Portion 28 ...
Page 30: ...6 1 2 2 EVR Cover Side Case L Unit Fig D3 30 ...
Page 31: ...6 1 2 3 Sensor Shield Case Lens Unit Fig D4 31 ...
Page 32: ...6 1 2 4 Main C B A Fig D5 6 1 2 5 VCR Mechanism Chassis Ass y Side Case R Unit Fig D6 32 ...
Page 33: ...6 1 3 LCD PORTION 6 1 3 1 Cassette Cover Unit Fig D7 1 33 ...
Page 34: ...6 1 3 2 Relay C B A Cassette Frame Fig D7 2 34 ...
Page 36: ...6 1 3 6 LCD Lamp Unit Fig D7 6 36 ...
Page 37: ...6 1 4 SIDE CASE L PORTION 6 1 4 1 EVF Unit Color EVF Unit Fig D8 1 37 ...
Page 38: ...6 1 4 2 Side L FPC Unit Fig D8 2 38 ...
Page 39: ...6 1 4 3 PC Jack C B A TV Tuner Jack C B A Model D Fig D8 3 6 1 5 EVF PORTION Model A C D 39 ...
Page 41: ...6 1 6 COLOR EVF PORTION Model B 41 ...
Page 44: ...6 1 7 1 CCD C B A Filter Rubber Optical Filter Fig D11 1 Fig D11 2 44 ...
Page 45: ...6 1 8 LENS PORTION B 6 1 8 1 Lens Piece Unit MF VR Unit Fig D12 1 45 ...
Page 46: ...6 1 8 2 Focus Motor Unit Zoom Motor Unit Fig D12 2 6 1 9 SIDE CASE R PORTION 46 ...
Page 50: ...6 2 2 Inner Parts Location 6 2 2 1 TOP VIEW Fig DM1 1 50 ...
Page 53: ...Fig DM3 2 53 ...
Page 54: ...6 2 5 Cylinder Ass y Fig DM4 1 1 54 ...
Page 55: ...Fig DM4 1 2 55 ...
Page 56: ...6 2 6 Upper Cylinder Unit Cylinder Head Amp F P C Bugle Chip Fig DM4 2 Fig DM4 3 56 ...
Page 57: ...6 2 7 P C B Angle Fig DM5 57 ...
Page 58: ...6 2 8 Mechanism F P C Unit Fig DM6 1 58 ...
Page 59: ...Fig DM6 2 59 ...
Page 60: ...6 2 9 Tension Unit Reel Table Unit Fig DM7 1 60 ...
Page 61: ...Fig DM7 2 61 ...
Page 62: ...6 2 10 Rev Clutch Fig DM8 62 ...
Page 63: ...6 2 11 Take Gear Rev Brake Arm Unit Fig DM9 1 Fig DM9 2 63 ...
Page 64: ...6 2 12 A C Head Unit Fig DM10 64 ...
Page 65: ...6 2 13 Capstan Belt Fig DM11 65 ...
Page 66: ...6 2 14 Capstan Unit Fig DM12 66 ...
Page 67: ...6 2 15 Idle Arm Unit Fig DM13 67 ...
Page 68: ...6 2 16 Mechanism Support Angle Fig DM14 68 ...
Page 69: ...6 2 17 Reduction Gear B Fig DM15 6 2 18 Reduction Gear A Reduction Gear Unit Fig DM16 69 ...
Page 70: ...6 2 19 Pinch Arm Unit Opener P5 Arm Unit Fig DM17 1 Fig DM17 2 70 ...
Page 71: ...6 2 20 Takeup Post Unit Supply Post Unit Fig DM18 1 71 ...
Page 72: ...Fig DM18 2 72 ...
Page 73: ...6 2 21 Impedance Roller Unit Loading Base Unit Fig DM19 1 73 ...
Page 74: ...Fig DM19 2 74 ...
Page 75: ...6 2 22 Takeup Loading Arm Unit Fig DM20 75 ...
Page 76: ...6 2 23 Supply Loading Arm Unit Fig DM21 1 76 ...
Page 77: ...Fig DM21 2 77 ...
Page 78: ...Fig DM21 3 78 ...
Page 79: ...6 2 24 Loading Motor Unit Main Cam Unit Pinch Toggle Fig DM22 79 ...
Page 80: ...7 ADJUSTMENT PROCEDURES 7 1 SERVICE FIXTURES TOOLS 80 ...
Page 89: ...7 3 2 INITIAL GUIDELINE 89 ...
Page 103: ...11 2 CAMERA AND FRAME SECTION 103 ...
Page 104: ...104 ...
Page 105: ...105 ...
Page 106: ...11 3 FRAME AND LCD SECTION 106 ...
Page 107: ...107 ...
Page 108: ...108 ...
Page 109: ...11 4 EVF SECTION A C D 109 ...
Page 110: ...11 5 COLOR EVF SECTION B 110 ...
Page 111: ...11 6 PACKING PARTS AND ACCESSORIES SECTION 111 ...
Page 136: ... C D 136 ...
