Pioneer DBR-T210GBN, Service Manual

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54
DBR-T210GBS, DBR-T210GBP
DBR-T210GBN
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
C1+
V+
C1-
C2+
C2-
R2
IN
T2
OUT
V
CC
T1
OUT
R1
IN
R1
OUT
T1
IN
T2
IN
R2
OUT
GND
V-
V
CC
V+
T1
OUT
T2
OUT
T1
IN
T2
IN
T1 +5V
400k
Ω
R1
OUT
R1
IN
R1
5k
Ω
R2
OUT
R2
IN
+10V TO -10V
VOLTAGE INVERTER
V-
C2+
C2-
+5V TO 10V
VOLTAGE INVERTER
C1+
C1-
GND
16
1
2
6
14
3
4
5
11
10
12
T2
+5V
400k
Ω
7
13
R2
5k
Ω
9
15
8
No. Name Function
1 C1+ External capacitor (+ terminal) is connected to this lead
2 V+ Internally generated positive supply (+10V nominal)
3 C1- External capacitor (- terminal) is connected to this lead
4 C2+ External capacitor (+ terminal) is connected to this lead
5 C2- External capacitor (- terminal) is connected to this lead
6 V- Internally generated negative supply (-10V nominal)
7 T2
OUT
Transmitter output. This is RS-232 level (nominally
±
10V)
8 R2
IN
Receiver input. This input accept RS-232 input level. An internal 5k
Ω
pull-down resistor to GND is connected to each input.
9 R2
OUT
Receiver output. This is TTL/CMOS level.
10 T2
IN
Transmitter input. This lead accept TTL/CMOS level. An internal 400k
Ω
pull-up resistor to V
CC
is connected to each lead.
11 T1
IN
Transmitter input. This lead accept TTL/CMOS level. An internal 400k
Ω
pull-up resistor to V
CC
is connected to each lead.
12 R1
OUT
Receiver output. This is TTL/CMOS level.
13 R1
IN
Receiver input. This input accept RS-232 input level. An internal 5k
Ω
pull-down resistor to GND is connected to each input.
14 T1
OUT
Transmitter output. This is RS-232 level (nominally
±
10V)
15 GND Ground lead. Connect to 0V.
16 V
CC
Power supply input 5V
±
10%
HIN202CBN (MAIN ASSY : IC5001)
• RS232C IC
•
Pin Arrangement (Top View)
•
Block Diagram
•
Pin Function