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SPP-904
• Waveforms
– HAND MAIN Board –
– BASE MAIN Board –
1 IC3 1 (OSC1)
1 IC401 1 (OSC1)
1.6 Vp-p
99 ns
2 IC5 5 (X0)
2 IC404 5 (X0)
2.5 Vp-p
280 ns
1.4 Vp-p
99 ns
2.5 Vp-p
280 ns
5-8.
PRINTED WIRING BOARD – HAND RF Section –
1
2
HAND RF BOARD
A
C503
L503
C501
ANT
C
R502
HAND MAIN
B
GND
BOARD
(Page 26)
VCC
C509
LE
DATA
C
L551
CLK
L522
(SHIELD CASE)
R509
C537
R507
R528
+
C539
D
HAND RF BOARD
R597
R598
E
R599
C535
CLK
L506
F
DATA
LE
VCC
GND
G
ANT
H
• Semiconductor
Location
Ref. No.
Location
D502
B-5
D503
C-3
IC502
F-4
Q501
B-3
Q502
C-4
Q506
A-4
Q507
B-4
Q512
C-3
24
24
4
5
3
(COMPONENT SIDE)
Q506
L551-557
C575
1
6
(PRINTED COIL)
FT501
L566
L555
C576
3
4
C571
C568
R554
C572
L502
L554
C504
Q507
R551
L557
C507
B C E
E
B
C569
L553
C566
C506
E
C551
C
C564
C510
C570
C565
C541
R553
A
K
C563
R561
D502
R548
(SHIELD CASE)
Q502
+
C560
TP(TX VCO)
B C E
R503
R539
R521
C590
R530
R527
R531
R540
C558
C536
L504
C544
TP
C514
R506
(RX VCO)
C512
C538
C533
1-675-275-
(CONDUCTOR SIDE)
C511
C579
C580
5
13
C581
R532
C597
R516
IC502
C521
C546
C526
R517
24
1
C527
C586
R522
R541
C543
C542
R559
C508
L550
(PRINTED COIL)
C582
C549
L509
1-675-275-
6
7
MOD
D
HAND MAIN
TX
BOARD
(Page 26)
GND
LO
GND
IF
11
(11)
IF
GND
LO
GND
TX
MOD
11
(11)
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