Sony TAM-100 - Manual (Page 5)

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2-1. BLOCK DIAGRAM
TAM-100
SECTION 2
DIAGRAMS
W
B
TI -
TI +
VREF
PD2
PD0
PB2
A8/PJ0
PD3
A9/PJ1
A7/PK3
A6/PK2
PB3
A4/PK0
A5/PK1
U1
DSP
PD1
SPOI +
A14/P12
A12/P10
PB1
PB0
PA0
PA2
PA3
PA4
PB7
PB4
A3/PM3
A0/PM0
WE
CAST
PC3-0
RAS
OE
IORQ
MREQ
PEI
PEO
RD
WR
59
80
22
24
•
55
•
56
48
46
45
44
49
52
•
33
36
3
10
•
61
64
•
69
•
70
CS
SK
D1
D0
4
5
6
7
U2
FLASH MEMORY
ANSWER ON/OFF
MAIL BOX1-3
LED INDICATOR
LED1-4
7 SEGMENT LED
LED5
88
TIME
SET/REC
GREETING
REPEAT
PUSH BUTTON KEY
MEMO
MAIL BOX
3
MAIL BOX
2
MAIL BOX
1
ERASE
SKIP
ANSWER
ON/OFF
VOL +
VOL –
5
1
4
3
BIAS
U80
SPEAKER AMP
SPEAKER
SP901
OFF
ON
ANN
ONLY
2
5
TS
AUDIBLE
INDICATOR
SW1
RINGER
SELECT
SW2
SPEECH
NETWORK
Q120, 121 LINE SW
Q110, 111
BRANCH
DET
Q112, 113
VOICE DET
Q70
+5V REG
U90 2 1
JP90
DC JACK
DC IN 12V
PH100
RINGER DET
+B
RINGER DET
ZD100, 101
D104
1
2
R
G
JP100
1
2
R
G
JP101
MODULER
JACK
TEL
MODULER
JACK
LINE
D100-103
M2C
MUTE
+
–
T70
ECM
MIC
76
77
78
58
60
54
28
57
27
29
30
53
32
31
+5V
+
+
–