C146
A1
C6
C147
A1
D6
C148
A1
D5
C149
B1
E6
C150
B1
E5
C151
B1
E7
C152
B1
E6
C153
B1
E7
C154
B1
E7
C155
B1
E8
C156
B1
E8
C157
C1
B5
C158
B1
D5
C169
B5
K6
C170
B5
J6
C176
B5
J5
C177
B5
K5
C180
B5
J5
C181
A5
K6
C182
A5
L6
C183
B5
K5
C186
B4
L5
CR66
C5
J5
CR67
C5
K5
J20
H1
C8
J21
B4
L6
R254
D2
E6
R255
D3
D6
R256
D3
E7
R257
D4
D7
R258
D4
E7
R260
E4
E8
R261
E5
D8
R262
B3
D6
R263
B3
D6
R264
B2
D6
R265
D5
D8
R266
D5
E8
R267
C2
E5
R268
C2
E6
R269
C2
E6
R270
C3
D5
R271
C3
D6
R272
C3
D6
R273
C3
E6
R274
C3
E6
R275
C3
D6
R276
C4
D6
R277
C4
E7
R278
C4
E7
R279
C4
E7
R280
C4
D6
R281
C3
E6
R283
D4
E8
R284
D5
D8
R285
D5
D8
R286
D5
D8
R287
D5
E8
R288
D5
E8
R290
C2
D7
R296
H1
C8
R297
H1
D8
R330
D3
E7
R331
D5
E8
R332
D5
D8
R333
C2
C6
R334
B2
C6
R335
B4
J5
R340
D2
E6
R341
D3
D6
R342
C4
D7
R343
D4
E7
S1
F2
C6
S2
F2
C6
S3
F3
B6
S4
F4
B6
S5
F4
A6
S6
F5
A6
S7
H2
C7
S8
H2
B7
S9
H3
B7
S10
H4
A7
S11
H4
A7
S14
E2
D7
TP7
E3
D6
U20A
B2
D5
U20B
B1
D5
U21A
C2
E5
U21B
C3
E5
U22A
C3
E6
U22B
C3
E6
U23A
C4
E7
U23B
B2
E7
U24A
D4
E8
U24B
D5
E8
U28
B5
K6
U29
B5
K6
U31
B3
C5
Main Board Schematic Diagram <5>
Component Locator Chart
ECO 422
A2 Main Board. Partial A2 also shown on Schematics 1, 2, 3, and 4.
Summary of Contents for ECO 422
Page 4: ......
Page 6: ......
Page 14: ...General Safety Summary viii ECO 422 ...
Page 16: ...Service Safety Summary x ECO 422 ...
Page 17: ...Getting Started ...
Page 18: ......
Page 31: ...Operating Basics ...
Page 32: ......
Page 41: ...Operating Basics ECO 422 2 9 Figure 2 6 Setup for Adjusting R265 the User Level for SX 7 ...
Page 43: ...Specifications ...
Page 44: ......
Page 52: ......
Page 53: ...Theory of Operation ...
Page 54: ......
Page 62: ...Theory of Operation 4 8 ECO 422 ...
Page 63: ...Performance Verification ...
Page 64: ......
Page 84: ...Performance Verification 5 20 ECO 422 ...
Page 85: ...Adjustment Procedure ...
Page 86: ......
Page 88: ...Adjustment Procedure 6 2 ECO 422 ...
Page 89: ...Maintenance ...
Page 90: ......
Page 101: ...Options ...
Page 102: ......
Page 104: ...Options 8 2 ECO 422 ...
Page 105: ...Replaceable Electrical Parts ...
Page 106: ......
Page 140: ...Replaceable Electrical Parts 9 34 ECO 422 ...
Page 141: ...Diagrams Circuit Board Illustrations ...
Page 142: ......
Page 145: ......
Page 147: ... ECO 422 Changeover Unit FRONT PANEL 1 ...
Page 148: ...ECO 422 ...
Page 166: ...ECO 422 ...
Page 167: ...Replaceable Mechanical Parts ...
Page 168: ......
Page 174: ...Replaceable Mechanical Parts 11 6 ECO 422 ...
Page 175: ......
Page 176: ...ECO 422 A1 FIG 1 EXPLODED VIEW A2 A3 A4 ...
Page 177: ......