Yamaha CS1D, Service Manual

Page: 48 / 150

CS1D
43
TD62M8600F (XV014A00)
Source Driver
DP8392CN (XW278A00)
CTI
MAX202CSE (XP113A00)
RS-232C Transceiver
1
2
3
CD+
RX+
4 V
EE
5 V
EE
6 RX–
TX+
TX–
7
CD–
16
15
14
CDS
RXI
13 V
EE
12 RR–
11 RR+
10
8 9
GND
HBE
TXO
COAX
CABLE
RXI
CDS
HBE
TXO
GND
DATE
BUFFER
SENSE
BUFFER
RECEIVER
EQUALIZER
AND AMPLIFIER
4-POLE BESSEL
LOW PASS FILTER
4-POLE BESSEL
LOW PASS FILTER
HEARTBEAT
GENERATOR
JABBER
TIMER
TRANSMITTER
SQUELCH
TRANSMITTER
RECEIVER
AC-DC SQUELCH
DIFF LINE DRIVER
DTE INTERFACE
RECEIVE
PAIR
(RX–, RX+)
COLLISION
PAIR
(CD–, CD+)
TRANSMIT
PAIR
(TX–, TX+)
DIFF
LINE
DRIVER
Vcc
MHz
OSCILLATOR
–
+
COLLISION
COMPARATOR
+ –
Vch
1
2
3
IN
IN2
4 OUT2
Vcc Vcc
5
OUT1
OUT3
OUT4
IN4
IN3
14
13
12
IN8
11
8
6
7
8
10
10
9
OUT8
IN7
OUT7
OUT6
IN6
OUT5
IN5
RN6006
OUTPUT
INPUT
Vcc
10k
1
2
3
4
5
6
7
5
6
7
5
6
7
T3 OUT
T1 OUT
T2 OUT
T2 IN
T1 IN
GND
Vcc
C1+
V+
C1–
14
13
12
11
10
9
8
T4 OUT
T5 IN
N.C.
SHDN
T5 OUT
T4 IN
T3 IN
V–
C2–
C2+
+
+
+5V INPUT
0.1uF
0.1uF
6.3V
+
0.1uF
16V
0.1uF
6.3V
9
13
2 5
8
10
V+
V–
Vcc
+5V TO +10V
VOLTAGE DOUBLER
+10V TO –10V
VOLTAGE INVERTER
C1+
C1–
C2+
C2–
+
0.1uF
16V
11
12
+
+5V
400K
T1
T1 OUT T1 IN
3 4
+5V
400K
T2 OUT T2 IN
1 14
+5V
400K
T3 OUT T3 IN
20 15
+5V
400K
T4 OUT T4 IN
16
17
19
6
18
+5V
400K
T5 OUT T5 IN
SHDN
GND
N.C.
RS-232
OUTPUTS TTL/CMOS
INPUTS
T2
T3
T4
T5