Integra DTR-30.1 Service Manual page 101

A B
Q Q
3 7 6 3 1 5 1 5 0
SCHEMATIC DIAGRAMS-15 / PART-17
RS232 SECTION
BAETC-0067
1
U0071 RS232 PC BOARD
7 Z2_OUT_L
6 Z2_OUT_R
5 +12V
4 Z2_LCH_IN
3 Z2_RCH_IN
2 -12V
1 GND
3
2
2
1
T E
L 1 3 9 4 2 2 9 6 5 1 3
3
4
w w w
5
.
C
Z2_OUT_L
Z2_OUT_R
L-IN
R-IN
GND_VD
+12VTRG
R4150 R4151
220K 220K
30 1
INR3 AGND
29 2
INL2 LIN
28 3
INR2 RIN
27 4
INL1 Q4310 CIN
26 5 R4141
INR1 SWIN
M61540FP 470K
R4131
25 6
AGND SLIN
470
C4027 333J 24 7
ELECTRONIC VOLUME R4142
TREL SRIN
470K
C4026 333J 23 8
TRER AGND
C4025 224J 22 9 R4143
R4130
BASL1 SROUT
470 470K
21 10
BASL2 SLOUT
C4023 473J
R4115 R4144
4.7K
470K
+5.6V
R4116
+12V +3.6V
1.5K
+12V R4127 68(1W) R4117 68(1W)
-12V R4128 68(1W) R4118 68(1W)
-5.6V
R4119 220K
x a o
y
i
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D E
8
RS-232
Q4311
ICL3221E
R4208
16
FORCEOFF
L4001 +3.3V
+3.3V 15
10K
VCC
BLM21PG221SN1 14
GND
13
T1OUT
R4209
12
FORCEON
R4206
11
10K
T1IN
10
330
INVALID
R4207
9
R1OUT
330
+3.3V R4215 100
R4022
0
+3.3VMPU
+12V
D4019
N.M
47
R4120
47
R4221 Q4312
KTA1266
KDS4148U
D4024 D4025
8.2 R4122
KDS4148U
8.2 R4222 Q4313
2SB1240
D4026 D4027
47
R4124
Q Q
KDS4148U KDS4148U
47
3 7 6 R4223 3
Q4314
KRC102M D4028 D4029
KDS4148U KDS4148U
Q4315 Q4317
KRC102M
KRC102M
R4148
+10V
100(1W)
47/25
C4020
Q4318
KRA102M
C4016
47/25
2.2K
R4200
2.2K
R4203
ECOM_RST
ECOM_RXD
ECOM_TXD
u 1 6 3
JL6001B JL6002B JL4001A
.
TO BALAN-0066
TO BADG-0025
PART-16:E4
PART-5:H1
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F G
2 4
9 9 8
R4210
C4001
1
EN
C4002
2 10K 223K
C1+ 1
C4003
3 1/50
V+
6
4
1/50
C1- 2
C4006
5
C2+
7
6 1/50
R4211
C2- 3
C4007
7 RS-232
V- 330 8
8 1/50
R4212
R1IN
4
330 9
5
P4001
R4216
U4001
1K
D4030
SIR-34ST3F
P4012
D4031 R4147
SIR-34ST3F 100 IR IN A
+12V
12V TRG C
+12V P4013
12V TRG A
+12V
1 5 1 5 0 8 9 2 4
12V TRG B
P4014
R4138
100
IR IN B
IR OUT
R4204
R
100
ZONE 2 PREOUT
R4205
L
100
C4033
100
102K
R4213
RN1441 N.M
Q4321 Q4323
Q4324
Q4322
NOTE
N.M
RN1441
100 THE COMPONENTS IDENTIFIED BY MARK
REPLACE ONLY WITH PART NUMBER SPECIFIED.
R4214
BOLD VOLTAGE (MEASURED WITH VOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL).
m
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
c o
ELECTROLYTIC CAPACITORS (
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF, 330- 33pF, 331- 330pF, 333- 0.033uF
ALL RESISTORS ARE IN OHMS 1/6 WATT UNLESS OTHERWISE NOTED.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX)
"NM" AND "NC" ARE SHORT FOR "NOT MOUNTED" AND "NOT CONNECTED",
WHICH MEANS NO PART IS MOUNTED ON WIRING PATTERN OF PCB.
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
DTR-30.1/DTR-20.1
H
2
9 9
NOTE:
XY in "SCHEMATIC-a / PART-b:XY" indicates the target
location of the plug or socket, X=A to E/H/K, Y=1 to 4/5/8.
9 8 2 9 9
! ARE CRITICAL FOR SAFETY.
) ARE IN uF/WV.
PRINTING SIDE