SPP-A946/A947
C503
L501
C501
C504
C507
C506
R551
C569
C564
C565
C572
C571
C576
C568
R554
C575
L502
L503
C537
R502
R504
L507
R542
C598
C578
C534
C562
C523
C553
R529
JC519
R544
R533
C524
C520
C525
R552
C550
R526
C567
C510
C566
C502
C573
C574
FT501
C509
R561
R503
C570
C551
C541
R553
C563
JC548
C590
R531
R509
R507
R528
C538
C512
C533
C544
R540
R530
R527
R539
R521
C514
C558
C536
L504
R506
Q512
B
C
E
B C E
Q502
B C E
Q507
Q506
Q501
B
E
C
E
C560
C557
+
D502
A
K
D503
AK
RT501
HAND RF BOARD
(COMPONENT SIDE)
HAND RF BOARD
(CONDUCTOR SIDE)
1
3
6
4
L552
L551
1-676-680-
1-676-680-
(11)
11
(11)
11
L551-557
(PRINTED COIL)
E
HAND MAIN
BOARD
MOD
TX
GND
LO
GND
IF
GND
IF
LO
GND
TX
MOD
L566
L555
L554
L553
(SHIELD CASE)
(SHIELD CASE)
D
HAND MAIN
BOARD
ANT
GND
VCC
LE
DATA
CLK
DATA
CLK
LE
VCC
GND
ANT
C539
+
1
2
3
4
5
6
L557
C583
C547
C519
C505
C508
C545
C540
C548
R505
R520
R559
C546
JC516
C597
C511
C579
C580
C581
C521
C526
C527
R522
R598
R599
C535
L506
R597
R532
R517
R541
C542
C586
C543
C582
C549
L509
IC502
1
5
24
13
L550
(PRINTED COIL)
A
B
C
D
E
F
G
H
BC
E
– 43 –
– 44 –
5-11. PRINTED WIRING BOARD – HAND RF Section –
• Waveforms
– BASE MAIN Board –
1
IC3
1
(OSC1)
500 mV/DIV, 50 ns/DIV
2
IC8
5
(X0)
1 V/DIV, 100 ns/DIV
– BASE KEY Board –
3
IC202
tf
(XIN)
500 mV/DIV, 100 ns/DIV
1.2 Vp-p
99 ns
2.8 Vp-p
280 ns
1.2 Vp-p
246 ns
– HAND MAIN Board –
4
IC601
1
(OSC1)
500 mV/DIV, 50 ns/DIV
1.5 Vp-p
99 ns
5
IC603
5
(X0)
1 V/DIV, 100 ns/DIV
2.6 Vp-p
280 ns
• 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
(Page 47)
(Page 47)
Содержание SPP-A946
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Страница 35: ...SPP A946 A947 45 46 5 12 SCHEMATIC DIAGRAM HAND RF Section Page 49 Page 49 Page 49 ...