25
SEMICONDUCTOR LEAD IDENTIFICATION
Base Unit
D1/D4/D5/D9/D10
/D12/D15/D16/D17 : 1N4148
D3 : HZ33-2
D11 : HZ6B2
D13 : HZ4B1
Q1 : 2SC2714
Q2/Q4/Q6/Q9 : 2SC1623
Q3/Q10 : 2SC2712
Q16 : 2SA812(M)
Q7 / Q8 / Q11 : 2SD471
B : Base
E : Emitter
C : Collector
B
E
C
D6 : MVR3338ST-922
Anode
Cathode
IC4
PS2501
IC5
SM8224BM-E2
1
2
3
4
Anode
Cathode
IC1
LA8634VU
IC3
MC3361CDR2
B
E
C
PRE. IN
24
PRE. NF
23
CMP. NF
22
CMP. VREC
21
CMP. OUT
20
LPF2 IN
19
LPF2 OUT
18
CMP. MUTE CONT
17
EXP. MUTE CONT
16
TX. DATA IN
15
VREF
14
VCC
13
1
LPF1 IN
2
LPF1 OUT
3
EXP. IN
4
EXT. VREC
5
INT. OUT
6
TEL. OUT
7
V. HOLD
8
INTC. CONT
9
CHARGE CONT
10
FSK OUT
11
GND
12
ST. BY
DT1
20
DT2
19
18
S0
17
S1
16
VDD
15
TO
14
13
DTDET
12
STR
11
1
AGND
2
TIP
3
4
TRQ
5
GND
6
OSCIN
7
OSCOUT
DTQ
CR
RING
MODE
8
9
TEST
10
DOUT
IC8
LC7366NM
TONE OUT
20
CD
19
18
R1
17
R2
16
R3
15
R4
14
13
MUTE
12
C4
11
1
V
DD
2
XMIT
3
4
C1
5
C2
6
C3
7
V
SS
8
9
OSCI
10
OSCO
Mixer Input
16
Ground
15
Audio Mute
14
Scan Control
13
Squelch Input
12
Filter Output
11
Filter Input
10
Demodulator Output
9
1
Crystal Osc
2
3
Mixer Output
4
Vcc
5
Limiter Input
6
Decoupling
7
8
Ouad Coil
D2 : HZK7C
Anode
Cathode
IC2
µPD780024AGC
P47/AD7
64
P46/AD6
63
P45/AD5
62
P44/AD4
61
P43/AD3
60
P42/AD2
59
P41/AD1
58
P40/AD0
57
P67/ASTB
56
P66/WAIT
55
P65/WR
54
P64/RD
53
17
P36/SCK31
18
P20/SI30
19
P21/SO30
20
P22/SCK30
21
P23RxD0
22
P24/TxD0
23
P25/ASCK0
24
V
DD1
25
AV
SS
26
P17/ANI7
27
P16/ANI6
28
P15/ANI5
P75/BUZ
52
29
P14/ANI4
P74/PCL
51
30
P13/ANI3
P73/TI51/TO51
50
31
P12/ANI2
P72/TI50/TO50
49
32
P11/ANI1
P71/TI01
48
P70/TI00/TO0
47
P03/INTP3/ADTRG
46
P02/INTP2
45
P01/INTP1
44
P00/INTP0
43
V
SS1
42
X1
41
X2
40
IC
39
XT1
38
XT2
37
1
P50/A8
2
P51/A9
3
P52/A10
4
P53/A11
5
P54/A12
6
P55/A13
7
P56/A14
8
P57/A15
9
V
SS0
10
V
DD0
11
P30
12
P31
RESET
36
13
P32
AV
DD
35
14
P33
AV
REF
34
15
P34/SI31
P10/ANI0
33
16
P35/SO31
IC6
XC61CC2802PR
/XC61AC2802PR
Vout
Vin
Vss
Summary of Contents for FT-8800
Page 1: ...CORDLESS TELEPHONE SERVICE MANUAL FILE NO 2B0 200007 FT 8800 PUBLISHED IN JAPAN Sep 2000 ...
Page 8: ...7 BLOCK DIAGRAMS Base Unit B301 ...
Page 9: ...8 Handset B501 ...
Page 10: ...9 10 SCHEMATIC DIAGRAMS Base Unit B301 RF MODULE ...
Page 11: ...11 12 Handset B501 RF MODULE ...
Page 26: ...27 ELECTRICAL PARTS LOCATION Base Unit Main PCB ...
Page 27: ...28 Handset Main PCB ...
Page 28: ...29 WIRING DIAGRAMS Base Unit ...
Page 29: ...30 Handset ...
Page 50: ......