DOWNLOAD Sony SA-WCT380 / SA-WCT381 Service Manual ↓ Size: 1.96 MB | Pages: 30 in PDF or view online for FREE

Model
SA-WCT380 SA-WCT381
Pages
30
Size
1.96 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
sa-wct380-sa-wct381.pdf
Date
PREV: Sony HT-CT80 Service Manual

Sony SA-WCT380 / SA-WCT381 Service Manual ▷ View online

SA-WCT380/WCT381
SA-WCT380/WCT381
17
17
• Waveforms
– SUB MAIN Board –
20.8 
Ps
3.4 Vp-p
2
IC7202 ws (LRCLK)
2 V/DIV, 10 
Ps/DIV
3
IC7202 wd (SCLK)
2 V/DIV, 100 ns/DIV
324 ns
3.8 Vp-p
1
IC7205 1, 2
2 V/DIV, 50 ns/DIV
81.5 ns
3.9 Vp-p
4
IC7400 ea (X1)
2 V/DIV, 100 ns/DIV
250 ns
3.7 Vp-p
•  IC Pin Function Description
SUB  MAIN  BOARD  IC7400  MB9AF142LBPMC1-G-JNE2 (SYSTEM  CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
VCC
-
Power supply terminal (+3.3V)
2
DC_DET
I
Speaker DC detection signal input terminal    “L”: speaker DC is detected
3
DRIVER_SD
I
Shutdown signal input terminal    “L”: shutdown
4
P_DAMP_CLIP
I
Clipping warning signal input from the digital power amplifi er    “L”: clipping
5
NC
-
Not used
6
TAS5534_SCL
O
Serial data transfer clock signal output to the stream processor
7
TAS5534_SDA
I/O
Two-way data bus with the stream processor
8
NC
-
Not used
9
TAS5534_XPDN
O
Power down signal output to the stream processor    “L”: power down
10
TAS5534_XRST
O
Rest signal output to the stream processor    “L”: reset
11
TAS5534_MUTE
O
Muting on/off control signal output to the stream processor    “L”: muting on
12, 13
NC
-
Not used
14
LED_RED
O
LED drive signal output terminal for the standby indicator    “H”: LED on
15
LED_GREEN
O
LED drive signal output terminal for the on indicator    “H”: LED on
16
VSS
-
Ground terminal
17
C
-
External capacitor connection terminal
18
VCC
-
Power supply terminal (+3.3V)
19, 20
NC
-
Not used
21
INITX (RESET)
I
System reset signal input terminal    “L”: reset    
For several hundreds msec. after the power supply rises, “L” is input, then it change to “H”
22, 23
NC
-
Not used
24
WS_RST
O
Reset signal output to the RF modulator    “L”: reset
25
WS_SCL
O
Serial data transfer clock signal output to the RF modulator
26
WS_SDA
I/O
Two-way data with the RF modulator
27
WS_INT
I
Interrupt signal input from the RF modulator
28
MD1
I
Mode selection signal input terminal    “L”: fl ash memory writing mode
29
MD0
I
Mode selection signal input terminal    “H”: fl ash memory writing mode
30
X0
I
System clock input terminal (4 MHz)
31
X1
O
System clock output terminal (4 MHz)
32
VSS
-
Ground terminal
33
VCC
-
Power supply terminal (+3.3V)
34
KEY_PAIRING
I
LINK key input terminal
35
KEY_POWER
I
Power key input terminal
36
MODEL
I
Model setting terminal    Fixed at “L” in this unit
37
DEST
I
Destination setting terminal    Fixed at “L” in this unit
38
Pull Up Power
O
Not used
39
NC
-
Not used
40
AC_CUT
I
AC cut detection signal input terminal    “L”: AC cut is detected
41
AVCC
-
Power supply terminal (+3.3V)
42
AVRH
I
Reference voltage (+3.3V) input terminal
43
AVSS
-
Ground terminal
44, 45
P_CONT1, P_CONT2
O
Power on/off control signal output terminal    “H”: power on
46
ON CHIP DEBUG/
CLK1
I
Serial data transfer clock signal input terminal for fl ash memory writing    Not used
47
(PROG VUTX)
O
Serial data output terminal for fl ash memory writing    Not used
48
(PROG VURX)
I
Serial data input terminal for fl ash memory writing    Not used
49
NC
-
Not used
50
TCK
I
Test clock signal input terminal (for JTAG)    Not used
51
TDI
I
Test data input terminal (for JTAG)    Not used
52
TMS
I
Test mode selection signal input terminal (for JTAG)    Not used
53
TDO
O
Test data output terminal (for JTAG)    Not used
54 to 59
NC
-
Not used
60
PVDD_STBY
O
Not used
61
VCC
-
Power supply terminal (+3.3V)
62
PVDD_SD_EN
O
Not used
63
NC
-
Not used
64
VSS
-
Ground terminal
SA-WCT380/WCT381
SA-WCT380/WCT381
18
18
4-1.  PRINTED  WIRING  BOARD - MAIN Section -
• 
 : Uses unleaded solder.
Note 1: When the SUB KEY board is defective, 
replace the complete mounted board.
1
9
1
3
1
2
24 23
1
28
29
56
44
22
23
1
8
1
5
4
JL7103
JL7107
R7495
R7496
X7201
C7110
C7111
C7115
C7123
C7125
D7102
FB7200
C7131
C7132
FB7401
FB7402
R7507
R7508
R7509
L7201
R7523
R7524
R7525
R7148
ET7201
F72001
CL7200
CL7203
CL7204
CL7212
CL7214
CL7215
CL7216
CL7217
CL7218
CL7219
CL7220
CL7221
CL7223
JL7205
JL7206
JL7207
JL7208
JL7209
JL7210
JL7211
JL7212
JL7407
JL7213
JL7408
JL7409
CL7238
CL7239
CL7240
CL7241
CN7201
CN7405
C7205
CN7406
Q7203
C7207
C7209
C7400
C7401
C7404
C7212
C7214
C7215
C7216
C7217
C7412
JL113
C7415
C7416
C7226
R7205
R7206
R7207
C7230
R7209
C7231
IC7202
C7232
IC7203
R7400
1
4
L7202
CN7407
C7233
C7234
IC7205
R7405
R7406
R7407
C7430
R7409
C7431
C7242
C7243
1
2
CN7202
R7410
C7245
C7246
C7247
C7248
C7249
R7226
R7227
R7228
C7250
SL001
R7229
CL7499
SL002
R7423 R7424
R7425
R7426
R7236
R7237
R7238
R7430
R7432
R7242
R7243
R7244
R7245
R7246
R7247
R7441
R7444
SL7200
SL7201
R7452
R7458
R7459
R7460
R7461
R7462
CL7501
R7488
R7489
1
5
1
8
4
5
3
4
1 2
33
48
32
49
1
16
17
64
3
4
1
2
JL7100
JL7101
JL7102
JL7106
JL7108
JL7109
JL7500
JL7501
JL7502
Q7100
Q7101
C7108
C7109
X7400
C7122
C7124
C7126
C7127
C7128
C7129
IC7104
IC7105
C7137
IC7108
C7138
R7114
R7115
R7116
R7118
R7502
R7503
R7504
R7510
R7511
R7513
R7514
R7517
R7519
R7520
R7521
R7522
R7143
R7144
R7145
R7147
R7149
R7150 R7151
R7153
CL7201
CL7202
CL7208
CL7209
CL7210
CL7213
JL7203
JL7204
CL7224
CL7225
CL7226
CL7227
JL7214
JL7215
JL7419
JL7420
JL7423
JL7424
JL7426
JL7427
JL7428
C7201 C7202
Q7200
Q7202
C7206
C7208
JL7434
C7402
JL7436
C7403
JL7437
C7210
JL7438
Q7401
C7405
C7211
Q7403
C7408
C7409
C7218
C7219
JL7441
JL7442
JL7443
C7410
JL7444
C7411
C7413
C7220
C7221
C7222
C7223
C7224
C7419
C7225
C7228
C7229
CL7471
CL7472
CL7473
C7420
JL7454
CL7474
C7421
CL7475
JL7456
CL7476
CL7477
CL7478
D7401
CL7479
C7427
R7401
C7429
R7402
R7403
C7237
JL7460
CL7480
JL7461
CL7481
IC7400
R7408
IC7402
R7218
C7240
R7219
L7102
L7103
R7220
R7221
R7222
CL7498
R7230
R7231
JL7481
R7232
JL7482
JL7483
R7234
JL7484
JL7485
JL7486
JL7487
JL7488
R7239
JL7489
R7240
JL7490
R7241
JL7491
JL7492
JL7493
JL7494
JL7495
JL7496
JL7497
JL7498
JL7499
R7447
JC7205
JC7206
JC7207
JC7208
R7450
JC7209
R7457
JC7214
JC7215
R7463
R7466
R7467
R7468
R7470
CL7500
1 3
6 4
1 3
6 4
1
3
4 6
SUB MAIN BOARD  
(COMPONENT SIDE)
SUB MAIN BOARD  
(CONDUCTOR SIDE)
1-894-325-
11
(11)
1-894-325-
11
(11)
(CHASSIS)
(CHASSIS)
E
SUB POWER
BOARD
CN902
>02P
SUB LED
BOARD
CN7000
>01P
SP1
(SUBWOOFER)
A
K
RF1
RF MODULATOR
(SWA12-4V RX)
FFC1
SUB KEY
BOARD
E
A
K
E
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
A
B
C
D
E
F
G
1
2
3
4
5
6
7
8
9
10
11
12
13
E
Note 4: When the IC7203 on the SUB MAIN board is replaced, refer to “NOTE OF REPLACING THE 
IC7203 ON THE SUB MAIN BOARD AND THE COMPLETE SUB MAIN BOARD” on page 5.
Note 5: IC7400 on the SUB MAIN board cannot replace with single. 
When this part is damaged, replace the complete mounted board.
Note 3: When C7233, C7234 and L7202 on the SUB MAIN board are replaced, 
refer to “BOND FIXATION OF ELECTRIC PARTS” on page 6.
(Page 20)
(Page 20)
Note 2: When the RF modulator (Ref. No. RF1) is replaced, refer to “NOTES ON THE WIRELESS 
CONNECTION (LINK) AFTER REPAIRS ARE COMPLETE” on page 5.
Ver. 1.1
SA-WCT380/WCT381
SA-WCT380/WCT381
19
19
1
1.6
1
1.6
1.6
0.6
1
1.8
3.2
0.2
1.6
1
3.2
3.4
0
1.8
3.2
2.2
2.2
1.6
1.6
3.4
3.4
2
3
4
3.4
3.4
3.4
3.4
3.4
3.4
2.4
3.4
3.4
3.4
0
11.8
1.1
3.1
1.5
1.5
2.3
3.2
7.6
11.8
3.2
11.8
3.2
3.2
0.7
0.7
4.1
3.2
3.2
13.9
13.9
13.9
13.9
0
0
0
1
11.8
28
3.4
3.4
0
3.2
3.2
3.2
2.2
2.2
3.4
3.4
3.4
3.4
1.8
3.2
1.5
3.1
1.5
3.2
25
25
14
14
28
28
28
14
28
28
28
15.9
8.3
15.9
0
4.1
4.1
3.2
3.4
1.5
1.4
0
0
3.3
3.3
3.3
3.4
3.4
1.1
3.2
1.6
1.6
3.4
0
3.4
3.4
3.4
3.4
3.4
3.3
3.4
3.4
3.4
0
0
4.1
1.9
0
3
0
3.4
2.9
5.1
1
C7109
1
C7108
16V
C7115
100
CRH02(T5R,SONY,XM)
D7102
JL7100
JL7103
JL7101
JL7102
S
QM2401C1
Q7101
1
2
3
4
5
6
10k
R7144
10k
R7145
JL7106
1
2
3
4
5
SI-3010KM-TLA
IC7104
VCONT
VIN
GND
VOUT
SENSE
0.1
C7124
0.1
C7122
50V
47
C7123
16V
100
C7125
BD9E102FJ-GE2
IC7105
BOOT
1
VIN
2
EN
3
AGND
4
FB
5
COMP
6
PGND
7
SW
8
JL7107
JL7108
10
C7137
1k
R7153
10
C7138
JL7109
MM3411A33URE
IC7108
CE
1
GND
2
VOUT
3
VDD
4
0
R7508
JL7437
JL7499
JL7436
JL7482
JL7434
100
R7519
JL7456
100
R7520
JL7428
JL7491
JL7427
JL7493
10k
R7466
JL7426
JL7484
10k
R7425
JL7424
JL7500
JL7423
SL002
R7488
10k
JL7420
JL7490
JL7419
JL7487
3.3k
R7462
JL7407
SL001
JL7488
100
R7406
JL7489
JL113
10k
R7489
10V
100
C7431
4.7k
R7444
JL7496
10k
R7408
100
R7409
JL7485
100k
R7467
100
R7521
1k
R7463
JL7502
10k
R7460
JL7501
100
R7410
JL7494
47k
R7468
JL7498
100
R7407
R7430
10k
10k
R7424
10k
R7432
10k
R7423
R7441
4.7k
10k
R7450
100
R7405
R7509
0
0
R7513
0.001
C7416
10k
R7426
0.1
C7403
0.001
C7412
0
R7514
0.1
C7405
PST8429UL
IC7402
GND
1
VDD
2
CD
3
OUT
4
0.1
C7410
4MHz
X7400
0.1
C7413
0.022
C7421
JL7483
0.1
C7402
0.01
C7420
4.7
C7411
0.01
C7427
3P
CN7405
LED(R)
1
LED(G)
2
VCC
3
0.22
C7419
0.1
C7415
JL7460
DA2J10100L
D7401
JL7461
B
B
E
E
C C
RN1902
Q7401
1
2
3
4
5
6
MB9AF142LBPMC1-G-JNE2
IC7400
1
VCC
2
DC_DET
3
DRIVER_SD
4
P_DAMP_CLIP
5
6
TAS5534_SCL
7
TAS5534_SDA
8
9
TAS5534_XPDN
10
TAS5534_XRST
11
TAS5534_MUTE
12
13
14
LED_RED
15
LED_GREEN
16
VSS
17
C
18
VCC
19
20
21
INITX(RESET)
22
23
24
WS_RST
25
WS_SCL
26
WS_SDA
27
WS_INT
28
MD1
29
MD0
30
X0
31
X1
32
VSS
33
VCC
34
KEY_P
AIRING
35
KEY_POWER
36
MODEL
37
DEST
38
Pull Up Power
39
40
AC_CUT
41
AV
C
C
42
AV
R
H
43
A
VSS
44
P_CONT1
45
P_CONT2
46
ON CHIP
 DEBUG/CLK1
47
(PROG VUTX)
48
(PROG VURX)
49
50
TCK
51
TDI
52
TMS
53
TDO
54
55
56
57
58
59
60
PVDD_STBY
61
VCC
62
PVDD_SD_EN
63
64
VSS
LSCR523UBFS8TL
Q7403
JL7486
JL7497
100
R7522
330
R7523
0
R7507
100
R7517
47k
R7458
220
R7524
FB7402
FB7401
10k
R7459
24P
CN7406
+4V
1
+4V
2
DOUT_RX
3
Link State
4
INT
5
RESETN
6
SCL_STX
7
SDA_STX
8
SCL_MRX
9
SDA_MRX
10
GPIO3
11
GND
12
BCK1_TX/POWER
13
LRCK1_TX
14
GPIO2
15
MCK_OUT_RX
16
DIN_TX
17
GPIO
18
GPIO
19
NC
20
NC
21
BCK0_RX
22
WCK0_RX
23
GND
24
JL7454
JL7495
3.3k
R7461
JL7444
10k
R7447
JL7443
0
R7525
2.2k
R7452
JL7442
JL7492
1k
R7457
JL7441
JL7481
56k
R7236
100
R7227
47k
R7237
220
R7226
SL7201
SL7200
TAS5614LA
IC7203
1
GVDD_AB
2
VDD
3
OC_ADJ
4
RESET
5
INPUT_A
6
INPUT_B
7
C-START
8
DVDD
9
GND
10
GND
11
GND
12
GND
13
AVDD
14
INPUT_C
15
INPUT_D
16
FAULT
17
OTW
18
CLIP
19
M1
20
M2
21
M3
22
GVDD_CD
23
BST_D
24
BST_C
25
GND
26
GND
27
OUT_D
28
OUT_D
29
PVDD_CD
30
PVDD_CD
31
PVDD_CD
32
OUT_C
33
GND
34
GND
35
OUT_B
36
PVDD_AB
37
PVDD_AB
38
PVDD_AB
39
OUT_A
40
OUT_A
41
GND
42
GND
43
BST_B
44
BST_A
TAS5534DGGR
IC7202
PWM_HPM_L
1
PWM_HPP_L
2
PWM_HPM_R
3
PWM_HPP_R
4
AVSS
5
PLL_FLTM
6
PLL_FLTP
7
VR_ANA
8
AVDD
9
ASEL_EMO2
10
MCLK
11
OSC_RES
12
DVSS2_CORE
13
DVDD2_CORE
14
EMO1
15
RESET
16
HP_SEL
17
PDN
18
MUTE
19
SDA
20
SCL
21
LRCLK
22
SCLK
23
SDIN1
24
SDIN2
25
SDIN3
26
SDIN4
27
VR_DIG
28
SDOUT
29
SCLKO
30
LRCLKO
31
TEST
32
PSVC
33
BKND_ERR
34
DVDD1_CORE
35
DVSS1_CORE
36
VALID
37
PWM_M_1
38
PWM_P_1
39
PWM_M_2
40
PWM_P_2
41
PWM_M_3
42
PWM_P_3
43
NC_44
44
NC_45
45
NC_46
46
NC_47
47
PWM_M_4
48
PWM_P_4
49
AVDD_PWM
50
AVSS_PWM
51
VR_PWM
52
NC_53
53
NC_54
54
NC_55
55
NC_56
56
9P
CN7201
/TH_DET
1
PVDD_28V
2
PVDD_28V
3
PVDD_28V
4
PVDD_GND
5
PVDD_GND
6
PVDD_GND
7
UN12V
8
A_GND
9
12p
C7250
TC7WHU04FK
IC7205
1
2
3
GND
4
5
6
7
VCC
8
12.288MHz
X7201
0
R7245
1M
R7246
1.8k
R7247
0.1
C7248
12p
C7249
E
ET7201
22p
C7214
2P
CN7202
SW(+)
1
SW(–)
2
JL7211
JL7215
JL7210
JL7209
JL7212
JL7207
JL7206
JL7203
JL7204
JL7205
JL7214
JL7213
JL7208
B
B
E
E
C C
HN1A01FU
Q7202
1
2
3
4
5
6
20uH
L7202
0
R7118
R7502
33k
R7504
22k
R7503
47k
0.1
C7401
4P
CN7407
GND
1
KEY_PAIR
3
4
KEY_POWER
0.1
C7429
CL7202
CL7478
CL7479
CL7476
CL7474
CL7471
CL7477
CL7473
CL7472
1k
R7511
1k
R7510
2.2k
R7496
2.2k
R7495
0.1
C7409
0.1
C7408
0.01
C7404
0.1
C7430
CL7501
CL7200
0.01
C7111
0.01
C7110
CL7214
CL7499
CL7238
CL7240
CL7241
CL7239
47
R7207
100
R7209
47
R7206
0
R7244
FB7200
0
R7205
CL7217
CL7218
CL7219
CL7480
CL7481
0.0047
C7202
0.01
C7201
0.0047
C7206
10
C7207
0.047
C7210
0.0047
C7208
0.047
C7211
10
C7209
10k
R7222
470
R7219
470
R7218
15k
R7220
18k
R7221
10
C7212
6.3V
C7205
470
47
R7228
10k
R7229
47
R7243
47
R7242
1
C7221
1
C7218
1
C7220
0.01
C7222
0.1
C7219
30k
R7230
1
C7223
CL7208
CL7210
0.047
C7225
0.047
C7224
1
C7226
470p
C7229
1
C7247
1
C7230
10
R7232
10
R7231
10k
R7470
CL7209
1
C7215
1
C7216
10
C7217
470p
C7228
1
C7246
1000p
C7231
1000p
C7232
35V
C7234
1000
CL7213
CL7216
CL7215
100k
R7234
2PC4081R-115
Q7200
35V
1000
C7233
0.01
C7237
100k
R7240
2.2
C7240
100k
R7239
100k
R7241
0.001
C7242
0.001
C7243
CL7204
CL7203
2PA1576R-115
Q7203
0.01
C7245
CL7212
12k
R7238
CL7223
CL7224
CL7225
CL7500
CL7498
CL7201
CL7226
CL7221
100k
R7143
CL7220
CL7227
10k
R7116
33k
R7114
33k
R7115
LTC014EUBFS8TL
Q7100
10
C7400
22
C7128
12p
C7129
22
C7127
680p
C7131
0.1
C7132
10
C7126
18k
R7148
150k
R7151
1k
R7147
470k
R7150
150k
R7149
0
JC7207
0
JC7208
JC7209 0
32V
F72001
5A
2.2uH
L7103
6.8uH
L7102
0
JC7215
0
JC7214
0
JC7205
0
JC7206
10uH
L7201
WS_RST
WS_RST
WS_INT
WS_SDA
WS_SCL
TAS5534_XRST
TAS5534_XPDN
TAS5534_SCL
TAS5534_MUTE
TAS5534_SDA
DC_DET
CLIP
TAS5534_SCL
TAS5534_SDA
TAS5534_XPDN
TAS5534_XRST
TAS5534_MUTE
WS_INT
WS_SDA
WS_SCL
DRIVER_SD
CLIP
DC_DET
DRIVER_SD
IC7205
CLOCK BUFFER
SUB MAIN BOARD
IC7202
STREAM PROCESSOR
IC7203
DIGITAL POWER AMP
IC7402
VOLTAGE DETECT
IC7104
+12V REGULATOR
(CHASSIS)
+3.3V REGULATOR
IC7108
DC/DC CONVERTER
IC7105
SUB LED
>01S
BOARD
CN7000
SUB POWER
>02S
BOARD
CN902
IC7400
SYSTEM CONTROLLER
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
2
NC
BOARD
SUB KEY
(SWA12-4V RX)
RF MODULATOR
FFC1
RF1
(CHASSIS)
(CHASSIS)
LED DRIVE
RESET SWITCH
Q7100, 7101
B+ SWITCH
(CHASSIS)
POWER DETECT
(CHASSIS)
(CHASSIS)
BUFFER
DC DETECT
(SUBWOOFER)
SP1
10
11
12
13
14
N
15
G
16
H
17
I
18
F
20
M
21
1
C
J
D
6
E
K
L
2
B
3
A
4
5
7
19
8
9
100
R7400
JL7438
100
R7401
R7402
100
CL7475
R7403
100
4-2.  SCHEMATIC  DIAGRAM - MAIN Section -
• See page 17 for Waveforms.   • See page 22 for IC Block Diagrams.   • See page 17 for IC Pin Function Description.
(Page 21)
(Page 20)
Note 1: When the SUB KEY board is defective, 
replace the complete mounted board.
Note 4: When the IC7203 on the SUB MAIN board is replaced, refer to “NOTE OF REPLACING THE 
IC7203 ON THE SUB MAIN BOARD AND THE COMPLETE SUB MAIN BOARD” on page 5.
Note 5: IC7400 on the SUB MAIN board cannot replace with single. 
When this part is damaged, replace the complete mounted board.
Note 3: When C7233, C7234 and L7202 on the SUB MAIN board are replaced, 
refer to “BOND FIXATION OF ELECTRIC PARTS” on page 6.
Note 2: When the RF modulator (Ref. No. RF1) is replaced, refer to “NOTES ON THE WIRELESS 
CONNECTION (LINK) AFTER REPAIRS ARE COMPLETE” on page 5.
Ver. 1.1
SA-WCT380/WCT381
SA-WCT380/WCT381
20
20
4-5.  PRINTED  WIRING  BOARD - SUB POWER Board -
• 
 : Uses unleaded solder.
4-4.  SCHEMATIC  DIAGRAM - SUB LED Board -
4-3.  PRINTED  WIRING  BOARD - SUB LED Board -
• 
 : Uses unleaded solder.
D7002
3
1
CL7000
CL7001
CL7002
CN7000
R7000
R7002
D7001
SUB LED BOARD  
(SIDE A)
SUB LED BOARD  
(SIDE B)
1-894-327-
11
(11)
1-894-327-
11
(11)
D7001, 7002
A
K
A
K
A
K
(ON INDICATOR)
(STANDBY INDICATOR)
SUB MAIN
BOARD
CN7405
>01P
A
B
1
2
3
+
-
14
12
10
8
2
3
5
7
1
3
4
2
1
7
2
6
1
3
1
10
ET931
ET932
IC930
D965
JS902
F901
F931
A931
A932
VDR901
R901
R914
L966
CN901
CN902
R932
R934
C902 C903
TH901
C906 C908
R944
C939
C940
C941
JW901
JW902
JW903
JW904
JW905
JW906
JW907
JW908
D901
C967
C970
C976
C977
C978
C980
D938
3
1
2
D941
D942
IC931
D967
D972
D973
LND001
Q930
Q931
PH930
Q950
Q952
L967
R935
R936
R937
R938
TH902
R945
R947
R951
R952
R953
R954
R955
JL901
JL902
JL903
JL904
R965
C930
C931
C932
C933
C934
R971
C936
C937
R976
R977
R978
R987
JL936
JL937
R997
C965
C968
C971
JL973
JL974
D930
JL975
D931
JL976
D932
JL977
JL978
D934
JL979
D935
D936
D937
D939
LF901
LINE FILTER
T901
POWER
TRANSFORMER
C907
C988
C904
C905
C914
C915
C935
C938
SUB POWER BOARD
1-894-328-
11
(11)
AC1
(AC IN)
LND001
PATTERN
SPARK-GAP
(CHASSIS)
A
K
SUB MAIN
BOARD
CN7201
>02P
(CHASSIS)
E
E
A
K
A
K
A
K
A
K
A
K
A
K
E
E
A
K
A
K
A
K
A
K
C
E
A
K
A
K
A
B
C
D
E
1
2
3
4
5
(Except US, CND)
(US, CND)
(US, CND)
(Except US, CND)
(US, CND)
(Except US, CND)
(US, CND)
(Except US, CND)
(US, CND)
(Except US, CND)
(US, CND)
Note: When C902 to C908, C914, C915, C935, C938, C939, C967, C970, C976 to C978, C980, C988, D901, L966, LF901, R944, 
TH901 and VDR901 on the SUB POWER board are replaced, refer to “BOND FIXATION OF ELECTRIC PARTS” on page 6.
3P
CN7000
1
LED(R)
2
LED(G)
3
VCC
470
R7000
150
R7002
SML-D14VWT86A
D7001
SMLE13EC8T
D7002
CL7001
CL7002
CL7000
SUB LED BOARD
SUB MAIN
>01S
CN7405
BOARD
1
2
B
3
A
4
(ON INDICATOR)
(STANDBY INDICATOR)
(Page 19)
(Page 18)
(Page 18)
Ver. 1.1
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