Diagrams; Block Diagram (New Type) - Sony TAM-100 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-1. BLOCK DIAGRAM
Former type: Serial number 4,000,000 and before
[MAIN BOARD]
MIC AMP
k k
T70
Q71
MIC
VOICE DET M2C
Q70
MUTE
JP100
R
1
MODULER
JACK
G
2
RY110
LINE
R
1
MODULER
JACK
G
2
TEL
D100-103
JP101
RELAY DRIVE
Q111
JP90
+5V REG
1 2
DC IN 12V
U90
OFF
T E
L 1 3 9 4 2 2 9 6 5 1 3
SW1
r
AUDIBLE
ON
INDICATOR
r
ANN
ONLY
SW2 2
r
RINGER
5
SELECT
r
TS
RESET
+5V 2 1
U3
w w w
.
SECTION 3

DIAGRAMS

U1
DSP
U80
SPEAKER AMP
k
76 TI -
1
PD1 59 BIAS
TI +
77
k
78 VREF SPOI + 80 4
PD2 3
58
60 PD0
U2
FLASH MEMORY
SPEECH
PB2 PA0
NETWORK 54 48 4 CS
Q120, 121
PA2 46 5 SK
PA3 45 6 D1
BRANCH
DET A8/PJ0 PA4 44
28 7 D0
Q112, 113
57 PD3
LED1-4
A14/P12 22
ANSWER ON/OFF
27 A9/PJ1 A12/P10 24
•
MAIL BOX1-3
PB1 55
• LED INDICATOR
PB0 56
PH100
RINGER DET
PUSH BUTTON KEY
PB7 49
TIME MEMO
PB4 52
+5V
•
A3/PM3 33
A0/PM0 36 SET/REC
29 A7/PK3
GREETING
30 A6/PK2
53 PB3
MAIL BOX
SLOW/
REPEAT
PLAY/STOP
WE 3
32 A4/PK0
CAST
31 A5/PK1 PC3-0 10
RAS • LED5
OE 61
88
IORQ
MREQ 64
PEI
•
7 SEGMENT LED
PEO 69
RD •
94 RST WR 70
x a o
y
i
– 9 –
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3-2. BLOCK DIAGRAM
New type: Serial number 4,000,001 and later
MAIN BOARD
k
T70
MIC
SP901
k
5
SPEAKER
JP100
R
1
MODULER
JACK
G
2
LINE
R
1
MODULER
JACK
G
2
TEL
JP101
[KEY BOARD]
JP91
DC IN 12V
ERASE ANSWER
ON/OFF
3
Q Q
3 7 6 3
2 VOLUME +
QUICK/ VOLUME –
1
SKIP
• Signal path.
F
: Audio
u 1 6 3
.
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2 4
9 9 8
U1
DSP
k k
MIN
47
SPOUTP
SPOUTN
MGS
48
RY101
SPEECH
NETWORK 36 LOUT
Q121
38 LIN
D101-104
RELAY DRIVE
Q101
73 HOOK
69 RDET
PH101
RINGER DET
COL1-4
+5V REG
1 3 +5V
U91
ROW1-4
RESET
RSTN
2 1 56
U3
1 5 1 5 0 8 9 2 4
53 XOUT
X1
4.096MHz
54 XIN
m
c o
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TAM-100
Ver 1.1 2001.06
2
9 9
k SP901
32
SPEAKER
k
33
U2
FLASH MEMORY
CE1 58 4 CS
WE 95 5 SK
62 D1
CLE 6
ALE 61 7 D0
KEY BOARD
LED1-4
10
ANS
•
ANSWER ON/OFF
MB3 22
•
MAIL BOX1-3
MB2 23
LED INDICATOR
•
MB1 24
PUSH BUTTON KEY
14
TIME MEMO ERASE ANSWER
17
• ON/OFF
18
21 SET/REC 3
GREETING 2 VOLUME +
9 8 2 9 9
MAIL BOX
SLOW/ QUICK/ VOLUME –
1
REPEAT SKIP
PLAY/STOP
FI
1
GI
•
A2
B2 2
LED5
C2
•
D2
4
88
E2
F2
10
G2
•
A
7 SEGMENT LED
96
B
C
D
100
E
• Signal path.
F
: Audio