WFM 601A/E/M SERIAL COMPONENT MONITOR
COMPONENT
COMPONENT
+5V
RS232
16
15
1
2
5
11
14
10
12
13
7
9
8
4
6
3
U92
MAX232
SERIAL PORT
DSR
RTS
CTS
NC
9
6
DCD
RXD
TXD
DTR
GND
5
1
B3
19
NC
NC
NC
NC
C170**
1UF
C172**
1UF
RXD
TXD
RX
TX
+5V
C171**
1UF
C175**
1UF
/PRESET_7
/PRESET_3
/PRESET_4
/PRESET_5
/PRESET_6
/PRESET_1
/STORE
/STAIR_EN
-2
/PRESET_8
/PRESET_2
1
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R356
4.7K
BD[0..15]
E1
19
BD0
BD1
BD2
BD[0..15]
1A
1
1B
2
2A
3
2B
4
3A
5
3B
6
4A
7
4B
8
5A
9
5B
10
6A
11
6B
12
7A
13
7B
14
8A
15
8B
16
9A
17
9B
18
10A
19
10B
20
11A
21
11B
22
12A
23
12B
24
13A
25
13B
26
14A
27
14B
28
15A
29
15B
30
16A
31
16B
32
17A
33
17B
34
18A
35
18B
36
19A
37
19B
38
20A
39
20B
40
J5
CONNECTORS
DIGITAL BUS
BA[0..23]
BA21
BA23
BA22
1A
1
1B
2
2A
3
2B
4
3A
5
3B
6
4A
7
4B
8
5A
9
5B
10
6A
11
6B
12
7A
13
7B
14
8A
15
8B
16
9A
17
9B
18
10A
19
10B
20
11A
21
11B
22
12A
23
12B
24
13A
25
13B
26
14A
27
14B
28
15A
29
15B
30
16A
31
16B
32
17A
33
17B
34
18A
35
18B
36
19A
37
19B
38
20A
39
20B
40
J2
REMOTE
SER
10
A
11
B
12
C
13
D
14
E
3
F
4
G
5
H
6
CLK
2
CLKINH
15
SH/LD
1
QH 9
QH 7
U91
74HC165
BA[0..23]
H1
19
SER_LINK
/PRESET_6
/R_SYNC_EN
-11
-12
-13
D4
22
-TIME_CODE
A4
17
NC
RX
TX
-TIME_CODE
/STORE
1A
1
1B
2
2A
3
2B
4
3A
5
3B
6
4A
7
4B
8
5A
9
5B
10
6A
11
6B
12
7A
13
7B
14
8A
15
8B
16
9A
17
9B
18
10A
19
10B
20
11A
21
11B
22
12A
23
12B
24
13A
25
13B
26
14A
27
14B
28
15A
29
15B
30
16A
31
16B
32
17A
33
17B
34
J14
RS232
1
6
2
7
3
8
4
9
5
REMOTE
REAR
PANEL
13
25
12
24
11
23
10
22
9
21
8
20
7
19
6
18
5
17
4
16
3
15
2
14
1
+TIME_CODE
/PRESET_7
/PRESET_6
/PRESET_5
/PRESET_4
/PRESET_3
/PRESET_8
+X_AUDIO
-X_AUDIO
+Y_AUDIO
-Y_AUDIO
+TIME_CODE
+Y_AUDIO
-Y_AUDIO
+X_AUDIO
-X_AUDIO
14
16
18
20
A4
18
A3
17
/REMOTE_LD
/REMOTE_CS
BSCK
/PRESET_1
/PRESET_2
/PRESET_3
/PRESET_4
/PRESET_5
-2
BSCK
/REMOTE_CS
/REMOTE_LD
+5V
R352
10.0K
H4
19
D2
22
NC
BA13
BA12
BA15
BA14
BA17
BA16
BA19
BA18
BA20
BD3
BD4
BD5
BD6
BD7
BD8
BD9
BD10
BD11
R51
10.0K
DSACK1
DSACK0
+5V +5V
D3
19
F4
24
G4
19
J5
CONNECTS
TO J12
A7
BOARD
R43
10.0K
/OPT_BLANK
/LDS
/UDS
BD12
BD13
BD14
BD15
12
J2
CONNECTS
TO J13
A7
BOARD
BA3
BA5
BA4
BA6
BA7
BA8
BA9
BA10
BA11
12
G4
19
NC
SER
10
A
11
B
12
C
13
D
14
E
3
F
4
G
5
H
6
CLK
2
CLKINH
15
SH/LD
1
QH 9
QH 7
U90
74HC165
12
11
1
3
U87D
74HCT125
MISO
R325
4.75K
OUT_2
/PRESET_7
/STORE
/R_SYNC_EN
/STAIR_EN
-13
-12
-11
/PRESET_8
D3
22
R322
4.75K
EXT_BLNK
/OUTPUT_2
+5V
Q25
REMOTE_SYNC
F3
24
A5
18
E3
20
EXT_HORZ
EXT_BLNK
/PRESET_2
/PRESET_1
/OUTPUT_2
/OUTPUT_1
/STAIR_EN
/R_SYNC_EN
REMOTE_SYNC
REMOTE PORT
/STORE
/PRESET_7
/PRESET_6
/PRESET_8
+ TIME CODE
- TIME CODE
25 13
+X_AUDIO
-X_AUDIO
R348
4.75K
/OUTPUT_1
+5V
Q26
R310
4.75K
OUT_1
BSCK
/REMOTE_CS
/REMOTE_LD
/REMOTE_CS
BSCK
C2
20
C174
.1UF
C173
.1UF
/REMOTE_CS
+5V
+5V
H4
19
B2
22
BMOSI
BA1
BA0
BA2
MISO
BSCK
+5V
H5
H5
H5
B4
B5
B5
A2
A2
IRQ5
IRQ2
/BGACK
/RESET
B16MHZ
/BG
/BR
BR/W
/BAS
A4
19
D3
D2
20
19
BLANK_CK
/C_RST
F3
/P_OPT_CS
/OPT_CS
/OPT_EN
F3
19
GND
/EXT BLANKING INPUT
/STAIR-EXT HORZ EN
STAIRCASE
& HORZ IN
14
1
REMOTE_SYNC
/REMOTE_SYNC_ENABLE
GND
+Y_AUDIO
-Y_AUDIO
GND
/PRESET_5
/PRESET_4
/PRESET_3
/PRESET_2
/PRESET_1
/OUTPUT_1
/OUTPUT_2
REMOTE & DIGITAL BUS CONNECTORS
PART OF A3 MAIN BOARD
23
**Refer to the Electrical Parts List for the values used on
previous versions of this circuit board.
Summary of Contents for WFM 601A
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Page 10: ...Table of Contents vi WFM 601A WFM 601E WFM 601M Service Manual ...
Page 16: ...Service Safety Summary xii WFM 601A WFM 601E WFM 601M Service Manual ...
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Page 35: ...Specifications 1 14 WFM 601A WFM 601E WFM 601M Service Manual ...
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Page 44: ...Installation 2 8 WFM 601A WFM 601E WFM 601M Service Manual ...
Page 54: ...Operating Information 2 18 WFM 601A WFM 601E WFM 601M Service Manual ...
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