Integra TV Speaker Base, TUN-3.7B, TUN-3.7 Service Manual
TUN-3.7
SERVICE MANUAL
Ref. No. 3957
SERVICE MANUAL
Multi-platform Tuner
MODEL TUN-3.7(B)
Black model
Sep, 2006
RC-672T
120V AC, 60HzBMDD
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
SERVICE PROCEDURE
1. Replacing the fuse
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse , For fuse rating, refer to
the marking adjacent to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
TUN-3.7
REF. NO.
F901
F901 or
PART NAME
FUSE
FUSE
DESCRIPTION
1.25A-UL/T-233
1.25A-T/UL-ST2
PART NO. (SN)
252318GR
252251GR
REMARKS
<MDD>
!
<MDD>
!
2. Initialize the unit
(1) Connect the AC power cord into a wall outlet.
(2) Press the STANDBY/ON button to turn on the unit.
(3) Press and hold down the MEMORY button, then press the STANDBY/ON button.
FL display
Clear
(4) Disconnect the AC power cord from a wall outlet.
---> STANDBY
3. Check the version of microprocessor
(1) Connect the AC power cord into a wall outlet.
(2) Press the STANDBY/ON button to turn on the unit.
(3) Press and hold down the DISPLAY button, then press the STANDBY/ON button.
FL display
version
V.1.02/06823A-3
3 seconds
(4) Press the STANDBY/ON button to turn off the unit.
(5) Disconnect the AC power cord from a wall outlet.
4. Tuner boards
C-HDXM tuner board installed
C-AMFM tuner board installed
TUN-3.7
EXPLODED VIEW
A411
x 2 pcs.
--- Rear side ---
A412
x 9 pcs.
F901
A414
A413
x 2 pcs.
A410
A421
x 2 pcs.
A420
A020
A045
x 3 pcs.
U04
A022
x 3 pcs.
P111
A051
x 6 pcs.
A050
P112
U02
A006
x 4 pcs.
A044
T901
U01
A007
A023
A021
x 4 pcs.
A009
A008
x 7 pcs.
U05
A001
A002
x 4 pcs.
A004
x 4 pcs.
A003
x 4 pcs.
A017
x 11 pcs.
U03
A015
x 2 pcs.
A011
A013
A402
A019
x 2 pcs.
A014
A401
A010
A018
x 2 pcs.
A400
A016
x 2 pcs.
TUN-3.7
A404
x 3 pcs.
SCHEMATIC DIAGRAM
A
1
2
3
4
5
BCDEFGH
P35
P1P2P3
16G
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
P33
P34
4G3G2G
1G
P4P5P6P7P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
15G
14G
13G
12G
11G
10G
9G
8G
7G
6G
5G
FLDRST
FAC1
1G2G3G
4G
P4P5P6P7P8
P9
P3P2P1
16G
15G
14G
13G
12G
11G
10G
8G7G9G6G5G
P29
P30
P31
P32
P33
P34
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
K2
K1
K0
LEDSTBY
FAC2
P35
+3.3S
FLDCLK
FLDCS
REMIN
-VP
+3.3M
FLDSDO
W-TYPE
ONLY
EXCEPT W-TYPE
EXCEPT W-TYPE
240V
120V
(1/2W)
ONLY
W-TYPE
*
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
T901
T902
Up Genre Down Standby
(RED)
P901
P901
Band < Tuning >
On / Standby
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
Tuning ModeDisplay
PTY / TP SCAN < Preset >Memory
(1/2W)
D TYPE
W TYPE
J TYPE
P,G TYPE
NONE
NONE
R822,R823
D822,D823
*
R844: MPP/MPB model only
(Infra-RED)
NPT-1520JQ
NPT-1520JQ
NPT-1520GQ
NPT-1520JQ
RUEF400
R841D841
D4SBS4
D3SBA20
T-4555P/TUN-3.7
T-4555 0.22(1/2W)
T-4555 : UDZ6.2B
T-4555P/TUN-3.7 : UDZ7.5B
AV
CAUTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
AGAINST FIRE HAZARD, REPLACE
FOR CONTINUED PROTECTION
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
ATTENTION
VA
THAT THE FUSE USED IS SLOW OPERATING TYPE
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
FOR CONTINUED PROTECTION AGAINST FIRE FUSE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
D959 1SS355
C954 4.7/50
+
D961
1SS355
D992
1SS355
C955
10/50
+
D954
1SS355
D951
1SS355
D952
1SS355
D955
1SS355
D956
1SS355
D957
1SS355
D958
1SS355
D953
1SS355
C953 100/35
+
C956
100/16
+
RL901
S901
D960
1SS355
Q951
SI-3010KF
1Vc2
Vin3GND4Vout5ADJ
R952
100
Q952
2SC2712GR
C801
334J
C802
334J
D802 RL1N4003
D803 RL1N4003
D804 RL1N4003
Q842
2SA1725
R802
1
R804
22
R842
22
S702
Q751
M66005
49
SEG2
50
SEG1
51
SEG0
52
VCC2
53
DIG15/SEG39
54
DIG14/SEG38
55
DIG13/SEG37
56
DIG12/SEG36
57
DIG11
58
DIG10
59
DIG9
60
DIG8
61
DIG7
62
DIG6
63
DIG5
64
DIG4
1
DIG032DIG023DIG014DIG005_RESET6_CS7SCK8SDATA9P1
10P011
VCC112XOUT13XIN14VSS15SEG35
16
SEG34
17
SEG33
18
SEG32
19
SEG31
20
SEG30
21
SEG29
22
SEG28
23
SEG27
24
VP
25
SEG26
26
SEG25
27
SEG24
28
SEG23
29
SEG22
30
SEG21
31
SEG20
32
SEG19
33
SEG1834SEG1735SEG1636SEG1537SEG1438SEG1339SEG1240SEG1141SEG10
42
SEG943SEG844SEG745SEG646SEG547SEG448SEG3
Q753
2SC2712GR
U751
NJL34H380A
5
S
1
2
3
4
S
C751
100/6.3
D761
UDZS8.2B
D701
SLI-343URC
Q172
RN1404
Q173
RN2402
T902
123
4
56789
P903
P902
Q881
78M05
IGO
Q882
S-812C33AUA-C2N
IGO
S701
Q752
46
F2447F2350P351P252P15416G5515G5614G5713G5812G5911G6010G619G628G637G646G655G
814G823G832G841G86
P3589F1390F14
1
F112F12
5
P346P337P328P319P3010P2911P2812P2713P2614P2515P2416P2317P2218P2119P20
26
P1927P1828P1729P1630P1531P1432P1333P1234P1135P10
36P937P838P739P640P541P444
F2245F21
C841
334J
C861
223Z
Q802
79M08
I O
G
C806
10/50
+
P911A
P912A
P913A
F901
F902
F903
P112A
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C752
100/6.3
C883
10/50
+
C882
10/50
+
C881
10/50
+
C952
2200/35
+
D991
1SS355
C843
10/50
+
C805
10/50
+
Q801
78M08
IGO
C831
220/63
+
Q831
2SA965
C822
334J
C821
334J
D821 RL1N4003
D822 RL1N4003
D823 RL1N4003
D824 RL1N4003
D801 RL1N4003
D832
RL1N4003
D831
RL1N4003
R801
1
R803
22
R826
22
R831
1
R832
22
P821A
1
2
3
4
C825
10/50
+
D833
UDZS27B
C762
none
C768
none
P114A
1
2
3
P801A
1
2
3
R861
3.9
C803
470/25
+
C761
100/50
C833
47/50
+
C824
10/50
+
C842
6800/16
+
R843
0.1
S721 S711
S712
S713
S714
S715
S722
S723
S724
S725
Q841
TA48033AF
IGO
C804
330/25
+
C823
3300/35
+
C832
220/100
+
C951
104Z
R953 100K
R954
100K
R955
100K
R960
0
R956
82K
R957
10K
R958
0
R959 10K
C991
104Z
R951
100
R962
10K
R961
1K
R833
15K
C834
104Z
R834
33K
C294 102K
C295 102K
C297 102K
R701
330
R702
470
R711
330
R712
470
R713
560
R714
820
R721
330
R722
470
R723
560
R724
820
R751
47
R757
220
R756
220
R755
220
R754
2.2K
C759 none
C758 none
C757
101J
C756 103K
R752
220
C754
104Z
C753
104Z
C755
101J
R753
27K
R762
220
C766
none
C764
none
C765
none
R761
220
C763
none
R758
100K
C767
103K
S703
C901
103M/275
C807
220/16
+
C808
220/16
+
L752 022M
L751 022M
P991
P113A
1
2
3
P113B
3
2
1
R821
0.15
R823
0.15
R822
0.15
R824
0.15
R827
0.1
R825
3.9
P841A
1
2
3
4
5
D841
C844
10/50
+
Q821
78M18
IGO
Q822
2SA1725
D444
SIR-34ST3F
D962
R841
R844
220
P112B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
P114B
1
2
3
MAIN PC BOARDU01
DISPLAY PC BOARDU02
SWITCH PC BOARD
U03
NASW-8981
NADIS-8980
NAAR-8979
TUN-3.7TUN-3.7
CNVSS
RESET
FCLK
FBUSY
FRXD
FTXD
VCC
APOWER
+18V
ATUR
VLEVEL
+3.3V
OP7
PLLCE
PLLDA
PLLCLK
ATUL
I2CCLK
I2CDATA
TMUT/HDBERST
RDSID
SD/CCBDI
STEREO/DO
RDSCL
RDSDA
HDBUSE
HD12V
HDIDMRST
T_GND
L
R
RS232
RI
12V trigger
IR
IN
OUT
IN
OUT
(1/2W)
(1/2W)
Q101
M3062LFGPFP
81
P07/AN07/D7
82
P06/AN06/D6
83
P05/AN05/D5
84
P04/AN04/D4
85
P03/AN03/D3
86
P02/AN02/D2
87
P01/AN01/D1
88
P00/AN00/D0
89
P107/AN7/KI3
90
P106/AN6/KI2
91
P105/AN5/KI1
92
P104/AN4/KI0
93
P103/AN3
94
P102/AN2
95
P101/AN1
96
AVSS
97
P100/AN0
98
Vref
99
AVcc
100
P97/ADTRG/SIN4
1
P96/ANEX1/SOUT4
2
P95/ANEX0/CLK4
3
P94/DA1/TB4IN4P93/DA0/TB3IN5P92/TB2IN/SOUT3
6
P91/TB1IN/SIN3
7
P90/TB0IN/CLK3
8
BYTE9CNVSS
10
P87/XCIN11P86/XCOUT12RESET13XOUT14VSS15XIN16VCC117P85/NMI18P84/INT219P83/INT120P82/INT021P81/TA4IN/U22P80/TA4OUT/U23P77/TA3IN
24
P76/TA3OUT25P75/TA2IN/W26P74/TA2OUT/W
27
P73/CTS2/RTS2/TA1IN/V
28
P72/CLK2/TA1OUT/V
29
P71/RXD2/SCL2/TA0IN/TB5IN
30
P70/TXD2/SDA2/TA0OUT
31
P67/TXD1/SDA1
32
P66/RXD1/SCL1
33
P65/CLK1
34
P64/CTS1/RTS1/CTS0/CLKS1
35
P63/TXD0/SDA0
36
P62/RXD0/SCL0
37
P61/CLK0
38
P60/CTS0/RTS0
39
P57/RDY/CLKOUT
40
P56/ALE
41
P55/HOLD
42
P54/HLDA
43
P53/BCLK
44
P52/RD
45
P51/WRH/BHE
46
P50/WRL/WR
47
P47/CS3
48
P46/CS2
49
P45/CS1
50
P44/CS0
51
P43/A1952P42/A1853P41/A1754P40/A1655P37/A1556P36/A1457P35/A1358P34/A1259P33/A1160P32/A1061P31/A09
62
VCC2
63
P30/A8(/-/D7)
64
VSS
65
P27/AN27/A7(/D7/D6)
66
P26/AN26/A6(/D6/D5)
67
P25/AN25/A5(/D5/D4)
68
P24/AN24/A4(/D4/D3)
69
P23/AN23/A3(/D3/D2)
70
P22/AN22/A2(/D2/D1)
71
P21/AN21/A1(/D1/D0)
72
P20/AN20/A0(/D0/-)
73
P17/D15/INT5
74
P16/D14/INT4
75
P15/D13/INT3
76
P14/D1277P13/D1178P12/D10
79
P11/D980P10/D8
C507
102J
Q504
RN1441
Q506
RN1441
D118
1SS355
D173
1SS355
D273
UDZS5.1B
Q112
RN1404
C312
10/16
Q401
ICL3221E
16
FORCEOFF
15
VCC
14
GND
13
T1OUT
12
FORCEON
11
T1IN
10
INVALID
9
R1OUT8R1IN
7
V-
6
C2-
5
C2+
4
C1-
3
V+
2
C1+
1
EN
C401
100/6.3
C402
1/50
C404
1/50
C403
1/50
C405
1/50
Q421
RN1404
Q422
RN2402
C421
1/50
D422
1SS355
C423
470/16
P441
22
24
21
2
10
1
P442
22
24
21
2
10
1
P443
22
24
21
2
10
1
C508
102J
C505
47/50
C506
47/50
X101
6.00MHz
U442
PC817
C299
100/6.3
D212
1SS355
Q102
S-24CS16A01-J8V1G
8
VCC
7
WP
6
SCL
5
SDA4GND
3
A2
2
A1
1
A0
Q503
RN1441
Q505
RN1441
P401
1
6
2
7
3
8
4
9
5
P501
3
1
2
4
R524
22
R523
22
P131A
9
8
7
6
5
4
3
2
1
R507
47K
R509
270
R511
100
R424
220K
R512
100
R508
47K
R513
100
R514
100
C453
none
R405
220
R404
220
R401
1K
R421
10K
R422
2.2K
C422
104Z
D421
1SS355
R209 10K
R210 47K
R211 47K
R312 47K
R317 10K
R318 1M
R319 47K
R320 47K
R324 10K
R329 10K
R330 10K
R339 47K
R338 47K
R402 220
R403 220
R443
100
C452
none
R442
10K
R441
470
C102
104Z
C218
104Z
C212
104Z
R109 1K
R110 1K
R111 1K
R112 1K
C216 104Z
R118 1K
R119 1K
R120 220
R121 220
R122 220
R123 220
R124 220
R125 220
R126 220
R127 220
R228 47K
R131
47
R132
47
R336 2.2K
R332 10K
R335 2.2K
R331 10K
R133
47
R134
47
R135
100
R136
100
R138
1K
R139
1K
R241
10K
R244
10K
R346
10K
R147
1K
R369 10K
R368 10K
C269
102K
C268
102K
R173
56K
R273
100K
R270
10K
R271
10K
C262 104Z
R157 1K
R265 47K
R266 47K
R267 47K
R168 1K
R169 1K
R175 1K
R370 10K
R371 10K
C294 102K
C295 102K
C297 102K
R397
2.7K
R395
2.7K
R394
2.7K
C298 104Z
R197
1K
R195
1K
R194
1K
R393
47K
R192
1K
R391
47K
R390
47K
R389
47K
R188
220
R187
220
R186
220
R185
220
R184
2.2K
R423
1K
R510
270
Q501A
NE5532AP
3
2
1
8
Q501B
6
5
4
7
C510
220/16
+
C509
220/16
+
R501
2.2K
R502
2.2K
C501
101K
C502
101K
R503
220K
R504
220K
C504
47/50
C503
47/50
R505
220K
R506
220K
R516
22K
R518
22K
R520
22K
R522
22K
R521
22K
R519
22K
R517
22K
R515
22K
P111A
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P111B
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P121A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
D443
R129 0
R130 0
C451
104Z
C455
CONNECTOR PC BOARD
U04
NAETC-8982
SCHEMATIC DIAGRAM
TUN-3.7
A
1
2
3
4
5
BCDEFGH
P35
P1P2P3
16G
P20
P21
P22
P23
P24
P25
P26
P27
P28
P29
P30
P31
P32
P33
P34
4G3G2G
1G
P4P5P6P7P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
15G
14G
13G
12G
11G
10G
9G
8G
7G
6G
5G
FLDRST
FAC1
1G2G3G
4G
P4P5P6P7P8
P9
P3P2P1
16G
15G
14G
13G
12G
11G
10G
8G7G9G6G5G
P29
P30
P31
P32
P33
P34
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
K2
K1
K0
LEDSTBY
FAC2
P35
CNVSS
RESET
FCLK
FBUSY
FRXD
FTXD
VCC
APOWER
+3.3S
FLDCLK
FLDCS
REMIN
-VP
+3.3M
+18V
ATUR
VLEVEL
+3.3V
OP7
PLLCE
PLLDA
PLLCLK
ATUL
I2CCLK
I2CDATA
TMUT/HDBERST
RDSID
SD/CCBDI
STEREO/DO
RDSCL
RDSDA
HDBUSE
HD12V
HDIDMRST
T_GND
FLDSDO
W-TYPE
ONLY
EXCEPT W-TYPE
EXCEPT W-TYPE
240V
120V
(1/2W)
ONLY
W-TYPE
*
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
T901
T902
L
R
RS232
RI
12V trigger
IR
IN
OUT
IN
OUT
Up Genre Down Standby
(RED)
P901
P901
Band < Tuning >
On / Standby
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
(1/2W)
Tuning ModeDisplay
PTY / TP SCAN < Preset >Memory
(1/2W)
D TYPE
W TYPE
J TYPE
P,G TYPE
NONE
NONE
R822,R823
D822,D823
*
R844: MPP/MPB model only
(Infra-RED)
NPT-1520JQ
NPT-1520JQ
NPT-1520GQ
NPT-1520JQ
RUEF400
R841D841
D4SBS4
D3SBA20
T-4555P/TUN-3.7
T-4555 0.22(1/2W)
T-4555 : UDZ6.2B
T-4555P/TUN-3.7 : UDZ7.5B
AV
CAUTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
AGAINST FIRE HAZARD, REPLACE
FOR CONTINUED PROTECTION
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
ATTENTION
VA
THAT THE FUSE USED IS SLOW OPERATING TYPE
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
FOR CONTINUED PROTECTION AGAINST FIRE FUSE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
D959 1SS355
C954 4.7/50
+
D961
1SS355
D992
1SS355
C955
10/50
+
D954
1SS355
D951
1SS355
D952
1SS355
D955
1SS355
D956
1SS355
D957
1SS355
D958
1SS355
D953
1SS355
C953 100/35
+
C956
100/16
+
RL901
S901
D960
1SS355
Q951
SI-3010KF
1Vc2
Vin3GND4Vout5ADJ
R952
100
Q952
2SC2712GR
C801
334J
C802
334J
D802 RL1N4003
D803 RL1N4003
D804 RL1N4003
Q842
2SA1725
R802
1
R804
22
R842
22
S702
Q751
M66005
49
SEG2
50
SEG1
51
SEG0
52
VCC2
53
DIG15/SEG39
54
DIG14/SEG38
55
DIG13/SEG37
56
DIG12/SEG36
57
DIG11
58
DIG10
59
DIG9
60
DIG8
61
DIG7
62
DIG6
63
DIG5
64
DIG4
1
DIG032DIG023DIG014DIG005_RESET6_CS7SCK8SDATA9P1
10P011
VCC112XOUT13XIN14VSS15SEG35
16
SEG34
17
SEG33
18
SEG32
19
SEG31
20
SEG30
21
SEG29
22
SEG28
23
SEG27
24
VP
25
SEG26
26
SEG25
27
SEG24
28
SEG23
29
SEG22
30
SEG21
31
SEG20
32
SEG19
33
SEG1834SEG1735SEG1636SEG1537SEG1438SEG1339SEG1240SEG1141SEG10
42
SEG943SEG844SEG745SEG646SEG547SEG448SEG3
Q753
2SC2712GR
U751
NJL34H380A
5
S
1
2
3
4
S
C751
100/6.3
D761
UDZS8.2B
D701
SLI-343URC
Q101
M3062LFGPFP
81
P07/AN07/D7
82
P06/AN06/D6
83
P05/AN05/D5
84
P04/AN04/D4
85
P03/AN03/D3
86
P02/AN02/D2
87
P01/AN01/D1
88
P00/AN00/D0
89
P107/AN7/KI3
90
P106/AN6/KI2
91
P105/AN5/KI1
92
P104/AN4/KI0
93
P103/AN3
94
P102/AN2
95
P101/AN1
96
AVSS
97
P100/AN0
98
Vref
99
AVcc
100
P97/ADTRG/SIN4
1
P96/ANEX1/SOUT4
2
P95/ANEX0/CLK4
3
P94/DA1/TB4IN4P93/DA0/TB3IN5P92/TB2IN/SOUT3
6
P91/TB1IN/SIN3
7
P90/TB0IN/CLK3
8
BYTE9CNVSS
10
P87/XCIN11P86/XCOUT12RESET13XOUT14VSS15XIN16VCC117P85/NMI18P84/INT219P83/INT120P82/INT021P81/TA4IN/U22P80/TA4OUT/U23P77/TA3IN
24
P76/TA3OUT25P75/TA2IN/W26P74/TA2OUT/W27P73/CTS2/RTS2/TA1IN/V
28
P72/CLK2/TA1OUT/V
29
P71/RXD2/SCL2/TA0IN/TB5IN
30
P70/TXD2/SDA2/TA0OUT
31
P67/TXD1/SDA1
32
P66/RXD1/SCL1
33
P65/CLK1
34
P64/CTS1/RTS1/CTS0/CLKS1
35
P63/TXD0/SDA0
36
P62/RXD0/SCL0
37
P61/CLK0
38
P60/CTS0/RTS0
39
P57/RDY/CLKOUT
40
P56/ALE
41
P55/HOLD
42
P54/HLDA
43
P53/BCLK
44
P52/RD
45
P51/WRH/BHE
46
P50/WRL/WR
47
P47/CS3
48
P46/CS2
49
P45/CS1
50
P44/CS0
51
P43/A1952P42/A1853P41/A1754P40/A1655P37/A1556P36/A1457P35/A1358P34/A1259P33/A1160P32/A1061P31/A09
62
VCC2
63
P30/A8(/-/D7)
64
VSS
65
P27/AN27/A7(/D7/D6)
66
P26/AN26/A6(/D6/D5)
67
P25/AN25/A5(/D5/D4)
68
P24/AN24/A4(/D4/D3)
69
P23/AN23/A3(/D3/D2)
70
P22/AN22/A2(/D2/D1)
71
P21/AN21/A1(/D1/D0)
72
P20/AN20/A0(/D0/-)
73
P17/D15/INT5
74
P16/D14/INT4
75
P15/D13/INT3
76
P14/D1277P13/D1178P12/D10
79
P11/D980P10/D8
C507
102J
Q504
RN1441
Q506
RN1441
D118
1SS355
D173
1SS355
D273
UDZS5.1B
Q172
RN1404
Q173
RN2402
Q112
RN1404
C312
10/16
Q401
ICL3221E
16
FORCEOFF
15
VCC
14
GND
13
T1OUT
12
FORCEON
11
T1IN
10
INVALID
9
R1OUT8R1IN
7
V-
6
C2-
5
C2+
4
C1-
3
V+
2
C1+
1
EN
C401
100/6.3
C402
1/50
C404
1/50
C403
1/50
C405
1/50
Q421
RN1404
Q422
RN2402
C421
1/50
D422
1SS355
C423
470/16
P441
22
24
21
2
10
1
P442
22
24
21
2
10
1
P443
22
24
21
2
10
1
T902
123
4
56789
P903
P902
C508
102J
C505
47/50
C506
47/50
Q881
78M05
IGO
Q882
S-812C33AUA-C2N
IGO
X101
6.00MHz
S701
Q752
46
F2447F2350P351P252P15416G5515G5614G5713G5812G5911G6010G619G628G637G646G655G
814G823G832G841G86
P3589F1390F14
1
F112F12
5
P346P337P328P319P3010P2911P2812P2713P2614P2515P2416P2317P2218P2119P20
26
P1927P1828P1729P1630P1531P1432P1333P1234P1135P10
36P937P838P739P640P541P444
F2245F21
C841
334J
C861
223Z
Q802
79M08
I O
G
C806
10/50
+
P911A
P912A
P913A
F901
F902
F903
P112A
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
U442
PC817
C752
100/6.3
C299
100/6.3
D212
1SS355
Q102
S-24CS16A01-J8V1G
8
VCC
7
WP
6
SCL
5
SDA4GND
3
A2
2
A1
1
A0
C883
10/50
+
C882
10/50
+
C881
10/50
+
C952
2200/35
+
D991
1SS355
C843
10/50
+
C805
10/50
+
Q503
RN1441
Q505
RN1441
P401
1
6
2
7
3
8
4
9
5
Q801
78M08
IGO
C831
220/63
+
Q831
2SA965
C822
334J
C821
334J
D821 RL1N4003
D822 RL1N4003
D823 RL1N4003
D824 RL1N4003
D801 RL1N4003
D832
RL1N4003
D831
RL1N4003
R801
1
R803
22
R826
22
R831
1
R832
22
P821A
1
2
3
4
C825
10/50
+
D833
UDZS27B
C762
none
C768
none
P114A
1
2
3
P801A
1
2
3
P501
3
1
2
4
R524
22
R523
22
R861
3.9
C803
470/25
+
C761
100/50
P131A
9
8
7
6
5
4
3
2
1
C833
47/50
+
C824
10/50
+
C842
6800/16
+
R843
0.1
S721 S711
S712
S713
S714
S715
S722
S723
S724
S725
Q841
TA48033AF
IGO
C804
330/25
+
C823
3300/35
+
C832
220/100
+
C951
104Z
R953 100K
R954
100K
R955
100K
R960
0
R956
82K
R957
10K
R958
0
R959 10K
C991
104Z
R951
100
R962
10K
R961
1K
R833
15K
C834
104Z
R507
47K
R509
270
R511
100
R424
220K
R512
100
R508
47K
R513
100
R514
100
C453
none
R405
220
R404
220
R401
1K
R421
10K
R422
2.2K
C422
104Z
D421
1SS355
R834
33K
R209 10K
R210 47K
R211 47K
R312 47K
R317 10K
R318 1M
R319 47K
R320 47K
R324 10K
R329 10K
R330 10K
R339 47K
R338 47K
R402 220
R403 220
R443
100
C452
none
R442
10K
R441
470
C102
104Z
C218
104Z
C212
104Z
R109 1K
R110 1K
R111 1K
R112 1K
C216 104Z
R118 1K
R119 1K
R120 220
R121 220
R122 220
R123 220
R124 220
R125 220
R126 220
R127 220
R228 47K
R131
47
R132
47
R336 2.2K
R332 10K
R335 2.2K
R331 10K
R133
47
R134
47
R135
100
R136
100
R138
1K
R139
1K
R241
10K
R244
10K
R346
10K
R147
1K
R369 10K
R368 10K
C269
102K
C268
102K
R173
56K
R273
100K
R270
10K
R271
10K
C262 104Z
R157 1K
R265 47K
R266 47K
R267 47K
R168 1K
R169 1K
R175 1K
R370 10K
R371 10K
C294 102K
C295 102K
C297 102K
R397
2.7K
R395
2.7K
R394
2.7K
C298 104Z
R197
1K
R195
1K
R194
1K
R393
47K
R192
1K
R391
47K
R390
47K
R389
47K
R188
220
R187
220
R186
220
R185
220
R184
2.2K
R701
330
R702
470
R711
330
R712
470
R713
560
R714
820
R721
330
R722
470
R723
560
R724
820
R751
47
R757
220
R756
220
R755
220
R754
2.2K
C759 none
C758 none
C757
101J
C756 103K
R752
220
C754
104Z
C753
104Z
C755
101J
R753
27K
R762
220
C766
none
C764
none
C765
none
R761
220
C763
none
R758
100K
C767
103K
R423
1K
R510
270
S703
C901
103M/275
Q501A
NE5532AP
3
2
1
8
Q501B
6
5
4
7
C807
220/16
+
C808
220/16
+
C510
220/16
+
C509
220/16
+
R501
2.2K
R502
2.2K
C501
101K
C502
101K
R503
220K
R504
220K
C504
47/50
C503
47/50
R505
220K
R506
220K
R516
22K
R518
22K
R520
22K
R522
22K
R521
22K
R519
22K
R517
22K
R515
22K
L752 022M
L751 022M
P991
P111A
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P111B
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P121A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
P113A
1
2
3
P113B
3
2
1
R821
0.15
R823
0.15
R822
0.15
R824
0.15
R827
0.1
R825
3.9
P841A
1
2
3
4
5
D841
C844
10/50
+
Q821
78M18
IGO
Q822
2SA1725
D444
SIR-34ST3F
D443
R129 0
R130 0
D962
R841
R844
220
P112B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
P114B
1
2
3
C451
104Z
C455
MAIN PC BOARDU01
DISPLAY PC BOARDU02
SWITCH PC BOARD
U03
CONNECTOR PC BOARD
U04
NAETC-8982
NASW-8981
NADIS-8980
NAAR-8979
PACKING PROCEDURE
A801
TUN-3.7
A804
x 2 pcs
A501
<L>
Left side
marking
A803
L
Front side
marking
A600
A506
Front side
A506
A504
A802
P901
A501
<R>
A700
A809
A450
Front side
TUN-3.7(B)
TUN-3.7(B)
R
Right side
marking
Front side
marking
A507
TUN-3.7(B)
TUN-3.7(B)
TUN-3.7(B)
TUN-3.7(B)
A455
A507
T
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
1/20 PAGE
TUN-3.7
<Note>
Parts marked by "NSP" are generally unavailable because
they are not in our Master Spare Parts List.
NOTE : THE COMPONENTS IDENTIFIED BY THE MARK
! ARE CRITICAL FOR RISK OF FIRE AND
ELECTRIC SHOCK. REPLACE ONLY WITH PART
NUMBER SPECIFIED.
EXPLODED VIEW PARTS LIS
REF. NO. PART NAME DESCRIPTION Q'TY PART NO. (SN) REMARKS
A001 CHASSIS --- 1 27100485A
A002 BOTTOM LEG DV-SP504 4 27175433
A003 CUSHION --- 4 28141664
A004 SCREW 3TTB+8B(3CM)SR 4 801637
A005 TAPE TAPE(CLOTH-16U) 1 29110083
A006 SCREW 4TTC+8C(3BC) 4 830440089GR
A007 SCREW 3P+10FN(3BC) 1 82143010GR
A008 HOLDER KGLS-14RT 7 27190524
A009 CLAMP HL-18-0 1 27301394
A010 F BRACKET (B) 1 27111325B
A011 KNOB (STANDBY) 1 28325756
A013 B PLATE DPS-5.4(B) 1 28133410GR
A014 CLEAR PLT TUN-3.7(B)M 1 28192111
A015 IB CUSHION W15 x 3t TAPE 2 28141585
A016 TAPE --- 2 29110161
A017 SCREW 3TTB+8B(3CM)SR 11 801637
A018 SCREW 3TTB+8B(3CM)SR 2 801637
A019 CUSHION --- 2 28141606
A020 BRACKET (RAIL) 1 27131011
2/20 PAGE
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
EXPLODED
A021 SCREW 3TTB+8B(3BC) 4 838430088GR
A022 SCREW 3TTB+8B(3CM)SR 3 801637
A023 HOLDER MPS-14-0 1 27191285
A044 LABEL TUN-3.7 1 29364670
A045 WIRE TIE BSK-1 3 260208
A050 COVER (B) 1 28184864
A051 SCREW 3TTB+8B(3BC) 6 838430088GR
A400 F PANEL TUN3.7MDD 1 27212947
A401 BADGE --- 1 28135278
A402 FACET (S) 1 28198906
A404 SCREW 3TTB+8B(3BC) 3 838430088GR
A410 REAR PANEL --- 1 27123625
A411 SCREW 4TTB+8C(3BC) 2 838440089GR
A412 SCREW 3TTB+8B(3BC) 9 838430088GR
A413 TAPE TAPE(CLOTH-8U) 2 29110082
A414 SPACER t0.5 x Dia6.5 x Dia3.5 1 27270484
A420 PLATE (SLOT-K3) 1 27262735
A421 SCREW (PLATE) 2 801620A
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