DOWNLOAD Sony XM-ZR4A Service Manual ↓ Size: 1.63 MB | Pages: 27 in PDF or view online for FREE

Model
XM-ZR4A
Pages
27
Size
1.63 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xm-zr4a.pdf
Date
PREV: Sony XM-ZR704 Service Manual

Sony XM-ZR4A Service Manual ▷ View online

XM-ZR4A
XM-ZR4A
13
13
J
8
H
G
13
5
6
C
D
1
4
7
A
9
15
F
2
11
K
I
14
3
B
10
E
12
(3/3)
BOARD
MAIN
2
1
MAIN BOARD (2/3)
0
0
0
0
0
0
0
0
0
-14.5
13
0
0
0
0
0
13
14.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
-14.5
13
-14.5
13
-14.5
13
-14.5
0
0
0
0
0
-14.5
13
J101
4
5
6
1
2
3
7
8
9
10
11
12
S802
22k
R102
22k
R103
22k
R203
22k
R202
22k
R302
22k
R303
22k
R403
22k
R402
RV801
20kX4
1
2
3
4
5
6
7
8
9
10
11
12
16V
220
C802
2.2k
R802
16V
100
C815
220k
R104
220k
R105
0.1
C116
0.1
C117
0.1
C416
220k
R404
0.1
C316
220k
R304
220k
R405
0.1
C417
220k
R305
0.1
C317
0.1
C216
220k
R204
0.1
C217
220k
R205
0.5%
15k
R106
0.5%
15k
R206
0.5%
15k
R306
0.5%
15k
R406
47p
C105
47p
C205
47p
C305
47p
C405
0.5%
15k
R107
0.5%
15k
R207
0.5%
15k
R307
0.5%
15k
R407
0.22
C108
3.3k
R109
3.3k
R108
0.22
C208
3.3k
R208
3.3k
R209
S801
50V
4.7
C111
50V
4.7
C211
16V
100
C110
16V
100
C210
0.5%
10k
R110
0.5%
10k
R111
0.5%
10k
R211
0.5%
10k
R210
50V
4.7
C311
16V
100
C310
50V
4.7
C411
16V
100
C410
0.5%
10k
R310
0.5%
10k
R311
0.5%
10k
R410
0.5%
10k
R411
RV803
20kX4
1
2
3
4
5
6
7
8
9
10
11
12
3.3k
R312
3.3k
R313
3.3k
R412
3.3k
R413
S803
16V
100
C315
16V
100
C415
0.5%
680
R112
6.8k
R113
6.8k
R213
47p
C320
0.5%
10k
R317
0.5%
10k
R417
47p
C420
6.8k
R319
2.2k
R318
2.2k
R418
6.8k
R419
330
R321
330
R421
750
R320
50V
2.2
C319
50V
2.2
C318
50V
2.2
C419
50V
2.2
C418
750
R420
0.5%
10k
R315
0.5%
10k
R415
0.5%
10k
R316
0.5%
10k
R416
NJM4565M(TE2)
IC801
8
POWER
4
GND
+
–
NJM4565M(TE2)
IC801
3
2
1
+
–
NJM4565M(TE2)
IC801
5
6
7
+
–
NJM4565M(TE2)
IC803
5
6
7
+
–
NJM4565M(TE2)
IC803
3
2
1
NJM4565M(TE2)
IC803
8
POWER
4
GND
NJM4565M(TE2)
IC805
8
POWER
4
GND
+
–
NJM4565M(TE2)
IC805
5
6
7
+
–
NJM4565M(TE2)
IC805
3
2
1
+
–
NJM4565M(TE2)
IC807
5
6
7
+
–
NJM4565M(TE2)
IC807
3
2
1
NJM4565M(TE2)
IC807
8
POWER
4
GND
NJM4565M(TE2)
IC806
8
POWER
4
GND
+
–
NJM4565M(TE2)
IC806
5
6
7
+
–
NJM4565M(TE2)
IC806
3
2
1
+
–
NJM4565M(TE2)
IC804
5
6
7
+
–
NJM4565M(TE2)
IC804
3
2
1
NJM4565M(TE2)
IC804
8
POWER
4
GND
NJM4565M(TE2)
IC802
8
POWER
4
GND
+
–
NJM4565M(TE2)
IC802
3
2
1
+
–
NJM4565M(TE2)
IC802
5
6
7
DAN202K-T-146
D906
DAN202K-T-146
D907
0.5%
10k
R943
0.5%
10k
R944
0.5%
10k
R946
0.5%
10k
R945
1
2
3
4
5
6
7
8
8P
CN901
100p
C101
100p
C102
100p
C201
100p
C301
100p
C401
100p
C302
100p
C202
100p
C402
1SS355TE-17
D103
1SS355TE-17
D104
1SS355TE-17
D204
1SS355TE-17
D203
1SS355TE-17
D304
1SS355TE-17
D303
1SS355TE-17
D404
1SS355TE-17
D403
1k
R850
1k
R851
1k
R853
1k
R852
0.5%
680
R212
2.2k
R101
2.2k
R201
2.2k
R401
2.2k
R301
RV804
10kX2
1
2
3
4
5
6
7
8
0.22
C109
0.22
C209
0.1
C308
0.1
C309
0.1
C408
0.1
C409
RV802
10kX2
1
2
3
4
5
6
7
8
47p
C106
47p
C107
47p
C207
47p
C206
47p
C307
47p
C306
47p
C406
47p
C407
33p
C112
33p
C212
0.22
C870
0.22
C872
0.22
C871
220k
R308
220k
R309
220k
R409
220k
R408
RV805
10kX2
1
2
3
4
5
6
TP4
0.1
C312
0.1
C313
0.1
C413
0.1
C412
1000p
C808
1000p
C809
1
2
3
4
5
6
7
8
9
10
FL +
FR +
RL +
RR +
FL -
FR -
RL -
RR -
MAIN BOARD (1/3)
PRE AMP (FRONT)
IC801
IC802
PRE AMP (REAR)
HPF
IC803
GAIN CONTROL AMP
IC805
SUBSONIC FILTER
IC804
LPF
IC806
GAIN CONTROL AMP
IC807
L
4P
R
FRONT (L+R)
HIGH LEVEL INPUT
SENSING POWER ON
R
L
REAR (L+R)
INPUT
(1/3)
(3/3)
(HPF)
-1
-2
OFF
HPF
(1/3)
(3/3)
(2/3)
(1/3)
(3/3)
(2/3)
(2/3)
(3/3)
(1/3)
(2/3)
(3/3)
(1/3)
(2/3)
(1/3)
(3/3)
(2/3)
(2/3)
(3/3)
(1/3)
(40Hz)
LOW BOOST
-1
-2
-1
-2
FILTER
LOW PASS
LEVEL
-1
-2
-3
-4
-1
-2
-1
-2
-3
-4
OFF
LPF
(LPF)
-1
-2
OFF
ON
-1
-2
SUBSONIC
FILTER
(15Hz)
LEVEL
HIGH PASS
FILTER
-1
-2
-3
-4
S802
RV803
S803
S801
RV801
3-3.  SCHEMATIC  DIAGRAM  – MAIN Section (1/3) –
(Page 14)
(Page 15)
XM-ZR4A
XM-ZR4A
14
14
10
6
J
14
I
7
F
11
K
12
A
15
5
D
4
C
2
16
G
13
1
H
3
9
E
8
B
1
(3/3)
BOARD
3
MAIN
MAIN BOARD (1/3)
1
IC B/D
*1
*1
*2
*2
28.4
9.2
14.3
0.1
0
14.4
14.4
14.4
30.5
10.3
0.3
30.6
0.1
14.3
14.4
14.3
14.1
14.4
0.1
0.6
14.1
14.3
14.3
0
0.7
0
0.7
4.4
0
5
5
5
14.3
14.3
5.5
5.5
5
0
0.3
1.5
3.9
14.3
14.3
5
14.3
1.4
0
2
0
*
0
13
30.4
13.6
-30.4
-14.5
-15.2
14.4
5.4
14.4
5.2
5.4
5.2
0.4
0.4
14.4
5.2
14.4
0.4
0.4
14.4
5.3
14.4
5.3
5.3
5.2
28.4
28.4
28.4
30.5
30.5
30.5
30.6
30.6
30.6
0.6
13.6
0
0
0
0
0
10.3
0
0
0
(BLUE ILLUMINATION)
(RED ILLUMINATION)
*2
(BLUE ILLUMINATION)
(RED ILLUMINATION)
*1
5.2
R920
22
KTA1281Y-AT
Q905
DTC114EKA-T146
Q907
2SC2412K-T-146-QR
Q906
270
R915
2.2k
R914
0.5%
1k
R916
D904
UDZSNPTE-1716B
0.5%
10k
R918
0.5%
10k
R917
1000p
C909
1SS355TE-17
D905
2SA1037AK-T146-QR
Q915
2SC2412K-T-146-QR
Q914
0.5%
10k
R935
0.5%
10k
R936
0.5%
10k
R938
0.5%
1k
R937
4.7k
R941
50V
22
C920
0.01
C919
33k
R939
DAN202K-T
-146
D902
DAN202K-T
-146
D901
DAN202K-T
-146
D903
0.01
C903
TH901
TH902
TH903
0.5%
1.8k
R907
0.5%
1.8k
R908
TH904
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TL594INSR
IC901
0.01
C904
0.1
C907
16V
100
C906
100k
R912
6.8k
R910
0.5%
24k
R91
1
Q902
DTA144EKA-T146
DTC114EKA-T146
Q901
4.7k
R902
4.7k
R901
0.1
C902
1
C901
0.5%
1k
R905
16V
100
C908
16V
2200
C913
16V
2200
C914
S
FKV550N
Q910
S
FKV550N
Q911
S
FKV550N
Q912
S
FKV550N
Q913
2.2
R928
2.2
R929
2.2
R931
2.2
R930
KTC2875-B-RTK
Q908
KTC2875-B-RTK
Q909
0.5%
1k
R922
0.5%
1k
R923
0.5%
1k
R924
0.5%
1k
R925
R926
22
R927
CN904
4
5
6
7
1
2
3
0.047
C912
FKV550N
Q950
FKV550N
Q951
16V
2200
C950
2.2
R950
2.2
R951
KTC2875-B-RTK
Q952
KTC2875-B-RTK
Q953
22
R952
22
R953
0.5%
1k
R955
0.5%
1k
R954
0.5%
1k
R957
0.5%
1k
R956
FCH10A15
D803
FRH10A15
D804
FCH10A15
D850
FRH10A15
D851
2SD2012
Q807
2SB1375
Q808
D805
UDZSNPTE-1713B
D806
UDZSNPTE-1715B
3.3k
R814
3.3k
R815
0.1
C824
0.1
C825
16V
100
C826
16V
100
C827
47k
R903
0.01
C917
15uH
L901
3
2
1
4
G
R
SML1216WTP4
D918
DTC114EKA-T146
Q903
0.5%
470
R904
T901
5
3
1
2
4
8
7
6
2.2
R860
2.2
R861
1SS355TE-17
D862
1SS355TE-17
D863
50V
220
C860
0.047
C863
0.047
C864
0.047
C817
0.047
C818
2SC2412K-T-146-QR
Q900
0.5%
10k
R942
1
C918
0.1
C805
DTA114EKA
Q809
-T146
DTA114EKA
Q810
-T146
DTA114EKA
Q811
-T146
DTA114EKA
Q812
-T146
2SC2412K-T-146-QR
Q802
47k
R807
D801
UDZSNPTE-176.8B
50V
22
C810
10k
R961
1SS355TE-17
D802
82k
R808
GND_1
0.1
C911
Q700
DTA144EKA-T146
KTC2875-B-RTK
Q701
KTC2875-B-RTK
Q702
DTC114EKA-T146
Q703
2SC2235-O/Y(TPE6)
Q704
D700
UDZSNPTE-177.5B
D701
UDZSNPTE-175.1B
0.5%
470
R707
47k
R706
2.2M
R705
100k
R704
50V
1
C700
1SS355TE-17
D702
270k
R703
150k
R702
220k
R701
560k
R700
50V
10
C701
1SS355TE-17
D703
4.7M
R708
DAN217-T146
D860
DAN217-T146
D861
T902
4
6
TH905
2.2k
R960
1
2
50uH
L902
2.2k
R934
470
470
R921
50V
220
C861
0.5%
1.8k
R909
1
BB1
1
BB2
1
2
2P
CN905
1
2
2P
CN700
1000p
C921
2.2k
R962
DTC144EKA-T146
Q813
1
C910
0.047
C852
0.047
C853
0.1
C957
50V
560
C850
50V
560
C851
50V
560
C819
50V
560
C820
TP10
TP5
TP14
TP15
TP16
TP11
TP12
TP13
TP27
TP23
TP20
TP22
TP21
TP19
TP25
TP3
TP26
TP1
TP2
TP17
TP18
Q815
DTA114EKA-T146
330k
R800
2.2k
R940
0.5%
1k
R900
0.5%
1k
R906
10k
R919
2SA1037AK-T146-QR
Q814
1.5k
R801
0.5%
10k
R803
TP24
10
9
7
8
11
12
13
14
15
16
17
18
19
20
D920
1
2
2P
CN906
1
2
2P
CN907
4.7k
R984
3.3k
R980
3.3k
R981
3.3k
R982
4.7k
R983
0.1
C980
D919
D921
3.3k
R985
1
2
2P
CN908
4.7k
R988
3.3k
R987
D922
4.7k
R989
3.3k
R986
0.1
C981
ATT[1]
ATT[0]
MAIN BOARD (2/3)
30A
F901
30A
F902
REM
+12V
GND
(1/3)
Q952,953
DRIVER
Q950,951
SWITCHING DRIVER
Q808
-15V REG
Q807
+15V REG
OVERVOLTAGE DET
POWER ON/OFF
THERMAL DET
GND
+B
Q905
B+ SWITCH
Q915
THERMAL DET
IC901
DC-DC CONVERTER
TH901-905
TEMP.DET
Q900
TEMP.DET
PROTECTOR
POWER/
PROTECTOR(RED)
POWER(GREEN)
PROTECTOR DET
Q908,909
DRIVER
Q910-913
SWITCHING DRIVER
Q702,703
TEMP.DET
Q813-815
DC DET
Q700,701
FAN MOTOR ON/OFF
Q704
FAN MOTOR CONTROL
LED DRIVER
Q903
GND
FAN +B
+
–
DC FAN
FAN901
D803,804
RECT
D860,861
RECT
DC-DC CONVERTER
TRANSFORMER
TRANSFORMER
DC-DC CONVERTER
RECT
D850,851
1
2
3
5
MUTE CONTROL
Q809-812
ATT[2]
ATT[3]
MUTE CONTROL
D921,922
(ILLUMINATOR-L)
LED2 BOARD
+B
+B
GND
GND
+B
GND
D919,920
(ILLUMINATOR-R)
LED1 BOARD
Q901
PROTECTOR DET
BUS BAR
BUS B BAR
D921,922
SELT2E10C-S-TP3
SELU2610C-S-TP3
SELT2E10C-S-TP3
SELU2610C-S-TP3
D919,920
JW
L903
S
S
3-4.  SCHEMATIC DIAGRAM –
 MAIN Section (2/3) –       
• 
See page 10 for Waveform.    
• 
See page 16 for IC Block Diagram.
(Page 13)
(Page 15)
XM-ZR4A
XM-ZR4A
15
15
D
12
2
E
J
H
K
7
5
C
10
9
6
1
4
8
F
B
3
I
11
G
A
3
MAIN BOARD (2/3)
MAIN
BOARD
(1/3)
2
0
30.4
0.6
0
0
30.4
-0.6
0.4
-0.5
-1
-0.6
-29.2
1
29.2
0.5
-29.2
0.6
-29.8
0
0
0.7
-39.9
1
12.3
-30.4
0
-30.4
-1
-1
0.4
29.8
1
30.4
29.8
30.4
29.2
29.3
0
-30.4
-29.7
-29.8
41.1
40.6
41.1
40.4
1.1
39.8
39.8
-39.8
-1
0
-29.1
-0.5
0
0.7
0
0.7
0
0
0.5
-29.1
-29.2
0
29.2
29.3
0
-0.5
-29.2
-29.8
-30.4
-29.7
-29.8
-1
29.8
1
29.2
30.4
29.8
30.4
0.4
0.6
1
30.4
0.4
-0.5
-1
-0.6
-30.4
1
-1
-1
0
30.4
0
0
12.3
-0.6
-30.4
0.6
0
0
0
9.5
9.5
10
0
0
10
39.9
-1.1
-39.9
-40.3
0
0.5
-0.5
0
-40.5
-41.1
-40.5
-0.6
0.4
1.1
-1.1
-1.1
1.1
39.4
39.4
0
-1.1
-0.5
-39.4
-39.4
-39.4
-0.5
0
0
0.5
0
12.3
0
12.3
0
0.5
0.5
0
-0.5
0
0
0
0.7
39.8
0.5
0
-39.9
-39.8
0
-0.5
39.9
39.8
41.1
40.6
41.1
40.4
1.1
-40.5
-40.3
-39.9
-41.1
-40.5
-1.1
-1.1
0.4
-0.6
-1.1
1.1
39.4
0.5
0.5
0
1.1
39.4
-1.1
-39.4
-0.5
-39.4
0
-0.5
12.3
0
0
0
0.5
39.4
39.4
0
-0.5
-39.4
0
0
12.3
2SC4207(T5RSONY,F)
Q103
1
2
3
4
5
2SA1618-YGRTE85R
Q102
1
2
3
4
5
2SC2412K-T-146-QR
Q803
2SC2412K-T-146-QR
Q804
2SC2412K-T-146-QR
Q805
2SC2412K-T-146-QR
Q806
0.5%
1k
R810
0.5%
1k
R811
1000p
C811
1000p
C812
22k
R812
22k
R813
6.3V
470
C813
6.3V
470
C814
CN904
8
9
CN904
10
11
Q111
2SA1908
Q110
2SC5100
Q210
2SC5100
Q211
2SA1908
Q311
2SA1908
Q310
2SC5100
Q317
2SA1908
Q316
2SC5100
Q416
2SC5100
Q411
2SA1908
Q417
2SA1908
Q410
2SC5100
CN903
1
2
CN903
3
4
0.047
C155
2.2
R172
2.2
R272
0.047
C255
0.047
C355
2.2
R372
0.047
C455
2.2
R472
82k
R171
82k
R271
82k
R371
82k
R471
2SC2235-O/Y(TPE6)
Q108
2SA965-O/Y(TPE6)
Q109
2.2
R167
2.2
R168
220
R166
50V
1
C154
2SA1037AK-T146-QR
Q107
2SC2713G-TE85L
Q106
2SA1207-AA
Q104
100k
R161
100k
R162
100
R159
100
R160
1.5k
R157
1.5k
R176
1.5k
R158
1.5k
R175
33k
R155
33k
R156
2.2
R268
33k
R256
100
R260
2.2
R267
1.5k
R257
2SC2713G-TE85L
Q206
33k
R255
2SC4207(T5RSONY,F)
Q203
1
2
3
4
5
2SA965-O/Y(TPE6)
Q209
1.5k
R276
2SA1207-AA
Q204
2SA1618-YGRTE85R
Q202
1
2
3
4
5
100
R259
2SA1037AK-T146-QR
Q207
1.5k
R258
220
R266
1.5k
R275
50V
1
C254
2SC2235-O/Y(TPE6)
Q208
1.5k
R357
6.8k
R365
2.2
R367
2.2
R368
1.5k
R376
1.5k
R358
1.5k
R375
1.5k
R363
2SA1037AK-T146-QR
Q307
100
R360
2SC2713G-TE85L
Q306
100
R359
2SC4207(T5RSONY,F)
Q303
1
2
3
4
5
0.5%
470
R364
2SA1618-YGRTE85R
Q302
1
2
3
4
5
2SA1207-AA
Q304
220
R366
2SC2713G-TE85L
Q406
2SA1207-AA
Q404
2SC4207(T5RSONY,F)
Q403
1
2
3
4
5
1.5k
R457
100
R459
2.2
R468
100
R460
6.8k
R465
2.2
R467
1.5k
R458
1.5k
R476
1.5k
R475
1.5k
R463
2SA1618-YGRTE85R
Q402
1
2
3
4
5
220
R466
2SA1037AK-T146-QR
Q407
0.5%
470
R464
2SC3421-Y
Q308
2SA1358-Y
Q309
2SA1358-Y
Q409
2SC3421-Y
Q408
2.2
R373
2.2
R374
2.2
R473
2.2
R474
2SC2412K-T-146-QR
Q415
2SC2412K-T-146-QR
Q414
2SC2412K-T-146-QR
Q314
2SC2412K-T-146-QR
Q315
2.2k
R153
2.2k
R253
16V
47
C151
16V
47
C251
16V
47
C351
16V
47
C451
10k
R154
10k
R254
10k
R454
KTC2875-B-RTK
Q101
KTC2875-B-RTK
Q201
KTC2875-B-RTK
Q301
KTC2875-B-RTK
Q401
4.7k
R152
4.7k
R252
4.7k
R352
4.7k
R452
10k
R151
10k
R251
10k
R351
10k
R451
4.7M
R806
4.7M
R816
4.7M
R817
4.7M
R818
R169
0.1X2
5W
R269
0.1X2
5W
R369
0.1X2
5W
R379
0.1X2
5W
R469
0.1X2
5W
R479
0.1X2
5W
2SC2412K-T-146-QR
Q212
2SC2412K-T-146-QR
Q112
0.5%
10k
R178
0.5%
15k
R177
0.5%
10k
R170
0.5%
15k
R277
0.5%
10k
R278
0.5%
10k
R270
0.5%
15k
R377
0.5%
10k
R378
0.5%
10k
R370
0.5%
15k
R380
0.5%
10k
R381
0.5%
15k
R477
0.5%
10k
R478
0.5%
15k
R480
0.5%
10k
R481
0.5%
10k
R470
47k
R355
47k
R356
47k
R455
47k
R456
100k
R262
100k
R261
22k
R361
22k
R362
22k
R461
22k
R462
1SS355TE-17
D807
2SC2909-AA
Q405
2SC2909-AA
Q305
2SC2909-AA
Q205
2SC2909-AA
Q105
Q312
2SC2240-BL(T2SONY
,F)
Q313
2SC2240-BL(T2SONY,F)
Q412
2SC2240-BL(T2SONY
,F)
Q413
2SC2240-BL(T2SONY,F)
2SC2412K-T-146-QR
Q114
2SC2412K-T-146-QR
Q115
2SC2412K-T-146-QR
Q214
2SC2412K-T-146-QR
Q215
0.1
C358
0.1
C458
0.1
C158
0.1
C258
0.1
C356
0.1
C456
0.5%
470
R264
0.5%
470
R164
1.5k
R263
1.5k
R163
6.8k
R265
6.8k
R165
2.2k
R353
2.2k
R453
47p
C457
47p
C357
47p
C257
47p
C157
DAN217-T146
D300
DAN217-T146
D400
22p
C152
22p
C252
C352
47p
C452
47p
100p
C253
100p
C153
C353
22p
C453
22p
Mount Mecha
178033131
PL1
Mount Mecha
178033131
PL2
TP6
TP7
TP8
TP9
10k
R354
1
2
3
4
5
6
20
19
18
17
16
15
14
13
12
11
MAIN BOARD (3/3)
L
(L+R)
FRONT
R
MUTE SWITCH
Q102,103,202,203,
Q101,201,301,401
Q302,303,402,403
ATT[1]
ATT[0]
ATT[2]
ATT[3]
OVERLOAD PROTECT(FRONT)
Q803,804
OVERLOAD PROTECT(REAR)
Q805,806
(2/2)
(1/2)
(2/3)
(3/3)
L
R
SPEAKER
OUT
SPEAKER
OUT
REAR
DIFFERENTIAL AMP
REG
Q314,315,414,415
Q114,115,214,215,
DRIVE AMP
Q304,305,404,405
Q104,105,204,205,
BIAS
Q306,307,406,407
Q106,107,206,207,
DRIVE AMP
Q308,309,408,409
Q108,109,208,209,
POWER AMP
Q310,311,316,317,
Q110,111,210,211,
Q410,411,416,417
OVERLOAD DET
Q112,212,312,
Q313,412,413
3-5.  SCHEMATIC  DIAGRAM  – MAIN Section (3/3) –
(Page 13)
(Page 14)
XM-ZR4A
XM-ZR4A
16
16
OSC
REF 5V
ERROR
ERROR
0.1V
Q1
Q2
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7 8
NON
INV
VREF
VCC
C2
E1
E2
OUT
+IN
-IN
COMPEN
CT
RT
C1
GND
TIME
•  IC Block Diagram
IC901 TL594INSR (MAIN Board (2/3))
Page of 27
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