C2015
1500P
R2015
6800
C2006
0.01
R2036
C2005
0.01
R2010
1K
C2025
0.01
R2022
220
C2039
R2001
1500
C2016
330P
R2037
R2029
390
R2021
10K
C2029
0.1
R2030
470
C2027
0.1
R2027
470
R2014
680K
C2004
0.01
R2041
R2004
3300
R2003
100
R2016
680K
R2025
100
C2028
0.1
R2026
82
R2013
3300
R2012
180K
R2031
100
C2012
0.047
C2013
0.047
C2011
0.33
C2023
0.1
C2022
0.047
C2021
0.047
R2023
0.33
C2008
0.033
C2003
0.1
C2001
0.1
C2002
0.1
R2008
0.33
C2032
0.1
C2030
0.1
C2031
0.1
R2011
22K
C2010
0.068
C2024
1
R2028
390
IC2003
UN224-TX
C2007
22/6.3V
C2040
10/16V
R2002
C2041
C2042
C2043
R2044
R2045
R2046
3
2
1
5
18
10
17
6
16
8
15
14
13
12
11
24
9
7
25
26
22
23
21
4
20
19
IC2002
UN224-TX
R2032
10K
C2017
1
27
28
GND
CONTROL HEAD(-)
CONTROL ERASE HEAD
GND
GND
AUDIO ERASE HEAD
AUDIO HEAD
GND
GND
VMR
VH-
CAP FG(+)
H3-
H3+
H2-
H2+
H1-
VH+
H1+
MAIN COIL 3
MAIN COIL 2
MAIN COIL 1
4
7
8
2
6
1
5
3
H
C
A
I
D
A
J
E
K
F
A
L
G
B
AUDIO HEAD
AUDIO ERASE HEAD
GND
CONTROL ERASE HEAD
CAP SW
TRIANGLE WAVE
CAP VM
REG +4.5V
CYL FG(+)
CYL FG(-)
CYL PG
MAIN COIL 2
VH-
VH+
VH+
VH+
VH+
H1-
H2+
H3-
MAIN COIL 3
H2-
VH-
H1+
MAIN COIL 1
H3+
CYL VM
TO AUDIO CONTROL
HEAD UNIT
/CAPSTAN UNIT
FP1
AUDIO HEAD
AUDIO HEAD
GND
CONTROL HEAD(+)
AUDIO HEAD
AUDIO HEAD
FORCED ACCELERATION
CAP FG
CTL PULSE(-)
CTL PULSE(+)
CAP DIRECTION CTL
CAP SPEED ERROR
CAP TORQUE LIMIT
REG +4.5V
V-REF
CYLINDER ON(L)
CYL SPEED ERROR
CYL FG
CYL PG
TO MAIN VIII
TO MAIN I
TO MAIN IX
TO MAIN I
TO MAIN I
TO MAIN VII
TO MAIN IX
6
14
8
11
3
12
9
7
13
10
4
5
1
2
6
8
9
11
1
7
3
5
13
4
10
12
2
14
Z
Z
Z
Z
Z
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
CYL MOTOR
DRIVE
CAP MOTOR
DRIVE
CYL/CAP MOTOR
DRIVE CONTROL
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
29 28
30
31
32
33
40
34
35
37
36
38
39
41
43
42
45
46
47
44
48
49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64
REC AUDIO SIGNAL
PB AUDIO SIGNAL
LOGIC
LOGIC
TORQUE
SATURATION
DETECT
CYL VM
DRIVE CTL
DRIVE CTL
TORQUE
SATURATION
DETECT
TORQUE
COMMAND
TORQUE
COMMAND
DIRECTION
SWITCH
DRIVE
TORQUE
DIRECTION
CONTROL
CAP
VM
Z
Z
UNLESS OTHERWISE SPECIFIED;
WATTAGE OF RESISTORS IS 1/16W.
Z
Z
Z
Z
Z
Z
LOADING MOTOR 0
LOADING MOTOR 1
TO MAIN I
LOADING MOTOR 1
LOADING MOTOR 0
COMPARISON CHART
OF MODELS & MARKS
A
B
C
D
Z
MODEL
MARK
PV-L750
-----
PV-L780
PV-L850
Not Used
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
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 ...