C4
C1
E3
C5
B2
E3
C6
G2
B3
C7
G2
A4
C8
G1
B3
C9
G1
B3
C10
B2
B3
C11
A1
F3
C12
E3
B2
C14
C3
D1
C15
F3
B2
C16
F3
B2
C17
D3
D1
C18
D3
D1
C34
D2
E3
C35
D1
D3
C36
E1
D3
C37
E1
C3
C38
E1
C4
C39
E1
C4
C40
E1
C4
C41
D1
D4
C42
D2
E4
C43
E1
D4
C44
C1
F3
C45
C1
E4
C48
E5
D2
C49
F5
D2
C50
F5
C2
C53
F5
C2
C54
F4
C3
C55
C5
C2
C56
C5
C2
C57
B5
C1
C58
E3
B2
C59
H1
A3
CR1
F5
C2
CR2
F5
C2
CR3
B5
C1
CR4
D4
C2
CR7
E5
CR15
C3
D1
F1
B5
C1
J5
A5
B1
J7
H1
A3
J8
H3
B2
J9
H3
B1
J10
A5
B1
L2
G4
B3
L3
G5
B2
L4
E1
C3
L5
E1
C3
L6
D1
D3
L7
D1
D3
L8
D2
D3
L9
F5
D2
L10
D3
B1
L11
B5
C1
Q3
F3
B2
Q4
F4
B1
Q5
C5
D2
Q6
B5
C1
R6
C1
E4
R7
G2
B3
R8
G2
B3
R9
G2
A4
R10
G2
B3
R11
G2
A3
R13
H1
A3
R14
G1
B3
R15
B3
D1
R16
A1
E3
R18
F2
A2
R20
G3
B2
R21
H3
B2
R22
E3
B2
R23
G3
A2
R24
G3
A2
R32
B1
F4
R33
B1
F4
R34
C1
E4
R35
B1
E3
R36
F3
B2
R37
F3
B1
R38
E3
B1
R39
F3
A1
R40
G4
A1
R41
G3
B1
R42
G4
A2
R43
H4
B2
R44
E5
C2
R45
C5
C2
R50
D3
B1
R51
C5
D1
R52
G1
A3
R53
B3
C1
R54
G3
A2
R55
G4
A2
R56
B5
C1
R57
C5
C1
R58
C5
C1
R63**
B3
C1
TP3
C1
E4
TP4
C1
E4
TP5
F1
C3
TP6
F1
C4
TP7
D3
D1
TP8
D3
D1
TP9
G4
B3
TP10
G4
B2
TP11
G5
B2
TP12
G5
B2
U11
G1
B3
U12
C3
E1
U13A
F3
B3
U13B
G3
B3
U14
B1
E3
U15
C1
F4
U16
B3
D1
U17A
F3
B2
U17B
G4
B2
U18
E5
C2
U20
A2
B3
U22A
D5
D2
U22B
D4
D2
Schematic Diagram
A1
< 2 >
Main Board Component Locator Chart
The schematic diagram has an alpha-numeric grid to assist in locating
parts within that diagram.
Assembly A1. Partial Assembly A1 also shown on Schematic
A1
< 1 >.
TSG90
Summary of Contents for TSG 90 PATHFINDER
Page 4: ...ii TSG 90 PATHFINDER Service Manual...
Page 10: ...viii TSG 90 PATHFINDER Service Manual...
Page 11: ...Specifications...
Page 12: ......
Page 29: ...Specifications TSG 90 PATHFINDER Service Manual 1 17 Figure 1 16 Safe Area...
Page 30: ...1 18 TSG 90 PATHFINDER Service Manual...
Page 31: ...Operating Information...
Page 32: ......
Page 38: ...Operating Information 2 6 TSG 90 PATHFINDER Service Manual...
Page 39: ...Performance Verification and Adjustment Procedures...
Page 40: ......
Page 53: ...Maintenance...
Page 54: ......
Page 62: ...4 8 TSG 90 PATHFINDER Service Manual...
Page 63: ...Replaceable Electrical Parts...
Page 64: ......
Page 75: ...Diagrams Circuit Board Illustrations...
Page 76: ......
Page 79: ...Diagrams Circuit Board Illustrations TSG 90 6 3 TSG 90 Block Diagram...
Page 81: ...0 0 0 0 0 0 0 0 0 0 4 2 4 2 0 0 0 0 0 2 3 0 1 0 TSG 90 KEY BOARD 1 2 A2...
Page 83: ...TSG 90 CPU CLOCK TIMING DIGITAL AND ID GENERATION 1 A1...
Page 86: ......
Page 87: ...Replaceable Mechanical Parts...
Page 88: ......
Page 93: ...TSG 90 PATHFINDER Service Manual 7 5 A1 A2 FIG 1 EXPLODED VIEW A3...