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SERVICE NOTES Third Edition Issued by RJA -...
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SERVICE NOTES Third Edition Issued by RJA Copyright © 2002 ROLAND CORPORATION All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION. Printed in Japan (0800) (AS) 17059557E3 May 2002 DD-3(T) SPECIFICATIONS............................................................. 2 LOCATION OF CONTROLS,PARTS LIST ................... 3 EXPLODED VIEW,PARTS LIST ..................................... 4 PARTS LIST........................................................................ 5 ADJUSTMENTS ................................................................ 8 CIRCUIT BOARD.............................................................. 9 CIRCUIT DIAGRAM...................................................... 10 WARNING There are three types of DD-3(T) with different circuitry called “DD-3”, “DD- 3A” and “DD-3B”. The pedals of all three types are labeled “DD-3”. We call the new type of this model, DD-3B for identifying the old type and new type for convenience on service system. Check the model name as follows. Of the three types, only the appearance of the “DD-3” is different. Identify the “DD-3” or the “DD-3A or DD-3B” by the shape of the adapter jack as shown in the following figure. The appearance of the “DD-3A” and the “DD-3B” are the same. Due to a DRAM change, it has been changed to “DD-3B” from serial No. SO91200 of 1912LOT (produced in August 2001). It can be identified by the serial number. The “DD-3A” and “DD-3B” can also be identified by the silk-screen printing on the board. When referring to the service notes or ordering parts, check the model name using the above process. This service note is for the “DD-3B”. Refer to “DD-3A SERVICE NOTES” (#17059557) when repairing the DD-3A. Variable resistor, switch and mechanical parts for the “DD-3A” and “DD-3B” are compatible. Refer to “DD- 2/3 SERVICE NOTES” (#17059183) when repairing the DD-3. fig.notice DD-3A or DD-3B DD-3
Transcript of SERVICE NOTES Third Edition Issued by RJA -...
SERVICE NOTESThird Edition
Issued by RJA
Copyright © 2002 ROLAND CORPORATION
All rights reserved. No part of this publication may be reproduced in any form without the written permission of ROLAND CORPORATION.
Printed in Japan
(0800)
(AS)17059557E3
May 2002 DD-3(T)
SPECIFICATIONS.............................................................2LOCATION OF CONTROLS,PARTS LIST ...................3EXPLODED VIEW,PARTS LIST .....................................4PARTS LIST........................................................................5ADJUSTMENTS ................................................................8CIRCUIT BOARD..............................................................9CIRCUIT DIAGRAM......................................................10
WARNING
There are three types of DD-3(T) with different circuitry called “DD-3”, “DD-3A” and “DD-3B”. The pedals of all three types are labeled “DD-3”.
We call the new type of this model, DD-3B for identifying the old type and new type for convenience on service system.
Check the model name as follows.
Of the three types, only the appearance of the “DD-3” is different. Identify the “DD-3” or the “DD-3A or DD-3B” by the shape of the adapter jack as shown in the following figure.
The appearance of the “DD-3A” and the “DD-3B” are the same. Due to a DRAM change, it has been changed to “DD-3B” from serial No. SO91200 of 1912LOT (produced in August 2001). It can be identified by the serial number. The “DD-3A” and “DD-3B” can also be identified by the silk-screen printing on the board.
When referring to the service notes or ordering parts, check the model name using the above process.
This service note is for the “DD-3B”. Refer to “DD-3A SERVICE NOTES” (#17059557) when repairing the DD-3A. Variable resistor, switch and mechanical parts for the “DD-3A” and “DD-3B” are compatible. Refer to “DD-2/3 SERVICE NOTES” (#17059183) when repairing the DD-3.
fig.notice
DD-3A or DD-3B DD-3
2
May 2002
SPECIFICATIONS
Power Supply
DC 9 V; Dry battery (6AM6/9V)
AC Adaptor (PSA-series: Option)
Current Draw
45 mA to 65 mA (DC 9V)
Controls
Pedal Switch
EFFECT LEVEL
FEEDBACK
DELAY TIME
MODE SELECTOR Switch
Indicator
Check Indicator (serves also as battery check indicator)
Jacks
INPUT
DIRECT OUTPUT
MAIN OUTPUT
AC Adaptor
System
Analog logalithmic compression and 12 bit quantizing system
Delay Time
12.5 ms (MIN) to 800 ms (MAX)
S (Short) 50 ms (12.5 ms to 50 ms)
M (Middle) 200 ms (50 ms to 200 ms)
L (Long) 800 ms (200 ms to 800 ms)
Hold Time
200 ms (MIN) to 800 ms (MAX) in Hold mode
Frequency Response
Delay Sound: 40 Hz to 7 kHz; +1/-3 dB
Direct Sound: 10 Hz to 60 kHz; +1/-3 dB
Residual Noise
-95 dBu (IHF-A, Typ.)
Input Impedance
1 M ohm
Output Load Impedance
10 k ohm or greater
Dimensions
73 (W) x 129 (D) x 59 (H) mm
2-7/8 (W) x 5-1/8 (D) x 2-3/8 (H) inches
Weight
450 g / 1 lb (including battery)
Accessories
OWNER’S MANUAL ENGLISH(#2603768702)
JAPANESE(#2603768603)
Dry Battery(#********); 6AM6/9V (Alkaline)
Leaflet (“USING THE UNIT SAFELY,” “IMPORTANT NOTES,” and “Information”)
Options
AC Adaptor PSA-Series
* 0 dBu = 0.775 Vrms
3
DD-3(T)
LOCATION OF CONTROLS,PARTS LIST
fig.panel
No. PART CODE PART NAME DESCRIPTION1 2253753801 PSA CAUTION 253-5382 2221740401 PANEL3 22017993RT CASE4 2247726200 KNOB (BLUE) 247-262
13279869 POTENTIOMETER RKO971110 50KB5 13449105MF JACK HTJ-064-14I6 2235730400 FOOT BASE (PEDAL MAT) 235-3047 2202785100 BOTTOM COVER 202-8518 2235730500 BOTTOM BASE 235-3059 G253751603 BOTTOM CAUTION PSA FCC/CE/C-TICK/EMC GRY10 13449711 AC ADAPTOR JACK HEC-0470-01-63011 1502928100 LED (RED) L-34HDSL12 2247726200 KNOB (BLUE) 247-262
13119308 SWITCH (ROTARY) SBM1024 (SRBM 14011A)13 2247726200 KNOB (BLUE) 247-262
13289126 POTENTIOMETER RK0971110 10KA 15MM14 F3449112 JACK (STEREO) HTJ-064-13D15 13449140MF JACK (STEREO) HTJ-064-14D16 22187547RT PEDAL
4
May 2002
EXPLODED VIEW,PARTS LIST
fig.explo
[PARTS]
[SCREW]
No. PART CODE PART NAME DESCRIPTION Q’TY1 13129710 SWITCH (PUSH) JM-0404 12 2226733300 CUSHION 267-333 13 F3419102 BATTERY CONNECTOR 14 G253751603 BOTTOM CAUTION PSA FCC/CE/C-TICK/EMC GRY 15 2235730500 BOTTOM BASE 235-305 16 2202785100 BOTTOM COVER 202-851 17 G2167301 INSULATION SPACER 18 2215770201 PEDAL GUIDE BUSH 215-702 19 2217710900 COIL SPRING 214-109 110 2235730400 FOOT BASE (PEDAL MAT) 235-304 1
No. PART CODE PART NAME DESCRIPTION Q’TYa 40125134 NYLON WASHER 3X6X0.5 2b 40010267 SCREW M3X10 BINDING FE BZC 2c 40010901 SCREW M3X6 BINDING B1 BZC 4d H5029820 SCREW M3X10 THUMB SCREW 1
11
2
3
4
a
5
6
7
8
9
d
10
b
c
5
DD-3(T)
PARTS LIST
fig.part1e
CASING
2235730500 BOTTOM BASE 235-305 1 2235730400 FOOT BASE (PEDAL MAT) 235-304 1 2202785100 BOTTOM COVER 202-851 1# 22017993RT CASE 1# 2221740401 PANEL 1# 22187547RT PEDAL 1
KNOB,BUTTON
2247726200 KNOB (BLUE) 247-262 4
SWITCH
13119308 SBM1024 (SRBM 14011A) SWITCH (ROTARY) SW1 1 13129710 JM-0404 SWITCH (PUSH) SW2 1
JACK,EXT TERMINAL
F3449112 HTJ-064-13D JACK (STEREO) JK1 1 13449140MF HTJ-064-14D JACK (STEREO) JK2 1 13449105MF HTJ-064-14I JACK JK3 1 13449711 HEC-0470-01-630 AC ADAPTOR JACK JK4 1
PWB ASSY
# 75D563P000 MT BOARD ASSY DD-3B 1
IC
15289402 TA78L05F(TE12L) IC (REGULATOR) IC9 1 15289148 M5218AFP IC (OP AMP) IC1 1 15229875 MN51010RBA BOS-008 IC (GATE ARREY) IC7 1 02343090 M11B416256A-35J(T) IC (DRAM) IC11 1 15289118 NJM311M IC (COMPARATOR) IC5 1# F5289115 NJM319M IC (COMPARATOR) IC10 1# F5289113 SA571D IC (COMPANDOR) IC2 1 15159115T1 TC4066BP IC (C MOS) IC3 1 15249114T0 TC74HC00AF SOP IC IC4 1 15289155 UPC4072G2 IC IC8 1
TRANSISTOR
15319108 2SC-3324GR-TE85R TRANSISTOR Q1,Q3-Q5,Q7-Q9 7 F5329530 2SK879Y FET TRANSISTOR Q2,Q10 2 15329103T0 2SK880-GR(TE85R) FET TRANSISTOR Q6,Q11 2
DIODE
01019534 1SS355 TE-17 SWITCHING DIODE D1-D8 8 1502928100 L-34HDSL LED (RED) LED1 1 F5339201 GS1G DIODE D9 1 F5339312 RD5.6S B3 DIODE D10 1
RESISTOR
F5419705 CRN34103J RESISTOR ARRAY RA2-RA4 3 13919175 RKM14L472/942F RESISTOR ARRAY RA1 1 00567023 RPC05T 101 J MTL.FILM RESISTOR R24 1 00567156 RPC05T 102 J MTL.FILM RESISTOR R2,R26,R43 3 00567289 RPC05T 103 J MTL.FILM RESISTOR R3,R5,R10,R18-R22,R27,R36-
R40,R42,R44,R45,R426
00567412 RPC05T 104 J MTL.FILM RESISTOR R1,R7,R23,R25,R47 5 00567556 RPC05T 105 J MTL.FILM RESISTOR R6,R60,R61 3 00567045 RPC05T 151 J MTL.FILM RESISTOR R30 1
SAFETY PRECAUTIONS:The parts marked have safety-related characteristics. Use only listed parts for replacement.
CONSIDERATION ON PARTS ORDRINGWhen ordering any parts listed in the parts list, please specify the following items in the order sheet.
QTY PART NUMBER DESCRIPTION MODEL NUMBEREx. 10 22575241 Sharp Key C-20/50
15 2247017300 Knob (orange) DAC-15DFailure to completely fill the above items with correct number and description will result in delayed or even undelivered replacement.
NOTE: The parts marked # are new. (initial parts)
6
May 2002
00567178 RPC05T 152 J MTL.FILM RESISTOR R34 1 00566912 RPC05T 220 J MTL.FILM RESISTOR R70 1 00567067 RPC05T 221 J MTL.FILM RESISTOR R31 1 00567190 RPC05T 222 J MTL.FILM RESISTOR R17,R32,R35,R69 4 00567323 RPC05T 223 J MTL.FILM RESISTOR R12,R46,R48,R53,R57 5 00567456 RPC05T 224 J MTL.FILM RESISTOR R58,R62 2 00567212 RPC05T 332 J MTL.FILM RESISTOR R41 1 00567345 RPC05T 333 J MTL.FILM RESISTOR R9,R13,R14,R67,R68,R71 6 00567112 RPC05T 471 J MTL.FILM RESISTOR R29 1 00567245 RPC05T 472 J MTL.FILM RESISTOR R16 1 00567378 RPC05T 473 J MTL.FILM RESISTOR R4,R8,R11,R15,R33,R50,R56 7 00567123 RPC05T 561 J MTL.FILM RESISTOR R66 1
POTENTIOMETER
# F5429102 RH03ADC13X 1KB TRIMMER RT1 1# F5429103 RH03ADCS4X 47KB TRIMMER RT2 1 13289126 RK0971110 10KA 15MM POTENTIOMETER VR3 1 13279869 RKO971110 50KB POTENTIOMETER VR1,VR2 2
CAPACITOR
# F5359811 GRM39B183K50PT CHIP CAPACITOR(1608TYPE) C39 1 13639546M0 ECEA1CKA100B 10UF/16V CHEMICAL CAPACITOR C3,C10,C36-C38 5 13639550M0 ECEA1CKA101B 100UF/16V CHEMICAL CAPACITOR C1 1 13639549M0 ECEA1CKA470B CHEMICAL CAPACITOR C11,C24,C27,C46,C56 5 13639602M0 ECEA1HKA010B UF 50V CHEMICAL CAPACITOR C43,C45,C49-C51 5 13589330M0 ECQ-P1H151JZ CHEMICAL CAPACITOR C23 1 13589319 ECQP2H471JZ CHEMICAL CAPACITOR C33 1 01674701 ECJ1VF1E104Z 0.1UF/16VK CERAMIC CAPACITOR(CHIP) C25,C26,C28,C29,C52-C55 8 01674612 ECJ1VB1H103K CERAMIC CAPACITOR C18 1 01674478 ECJ1VB1H122K CERAMIC CAPACITOR C15 1 01674523 ECJ1VB1H272K CERAMIC CAPACITOR C9,C16,C30,C40,C44 5 01674556 ECJ1VB1H472K CERAMIC CAPACITOR C2,C6,C31 3 01674578 ECJ1VB1H682K CERAMIC CAPACITOR C12,C32 2 01674689 ECJ1VF1H473Z CERAMIC CAPACITOR C5,C47,C48 3 01674334 ECUV1H101JCV CERAMIC CAPACITOR C7,C42 2 01674356 ECUV1H151JCV CERAMIC CAPACITOR C13 1 01674212 ECUV1H220JCV CERAMIC CAPACITOR C22 1 01674389 ECUV1H221JCV CERAMIC CAPACITOR C41 1 01674234 ECUV1H330JCV CERAMIC CAPACITOR C4,C8 2 01674423 ECUV1H471JCV CERAMIC CAPACITOR C35 1 01674445 ECUV1H681JCV CERAMIC CAPACITOR C20 1 13619706N0 DN1VR68KIS 0.68UF/35V CAPACITOR (TANTALUM) C14,C34 2 13589312 330P CAPACITOR C17 1
INDUCTOR,COIL,FILTER
13529145 DSS306-55FZ103N EMI FILTER EMI1 1
WIRING,CABLE
# 23477336 FLAT CABLE 4P-80X10X10 P=2.5 1# 23477337 FLAT CABLE 3P-160X10X10 P=2.5 1# G3477157 FLAT CABLE 3P-130X10X10 P=2.5 1
SCREWS
H5029820 SCREW M3X10 THUMB SCREW 1 H5029325 SCREW 3X6 PAN HEAD TAPTITE-2 BZC 4 H5039205 WASHER 12.5X9.5X0.5/0.9 INTERNAL TOOTH FENI 3 H5039510 NUT M9X12X2 FENI 3 H5029317UC SCREW 3X6MM BINDING TAPPING B1 FECM 1 H501941301 SCREW 3X10MM BINDING MACHINE FEBC 2 40125134 NYLON WASHER 3X6X0.5 2 H5039112 WASHER M9 3
40010267 SCREW M3X10 BINDING FE BZC 240010901 SCREW M3X6 BINDING BI BZC 4
PACKING
G2627738 INNER BOX 1# 2260714803 PACKING CASE 1
MISCELLANEOUS
G253751603 BOTTOM CAUTION PSA FCC/CE/C-TICK/EMC GRY 1 H5319102 INSULOK TIE 80M/M T-18S 1 2226733300 CUSHION 267-333 1 2253753801 PSA CAUTION 253-538 1 2215770201 PEDAL GUIDE BUSH 215-702 1
RESISTOR
7
DD-3(T)
2217710900 COIL SPRING 214-109 1 23410414 BATTERY CONNECTOR (006P) 1 22257257 EARTH TERMINAL 2 G2167301 INSULATION SPACER 1 H2369402 POLYCA PIPE M3X6X6 1
ACCESSORIES (Standard)
# 2603768603 OWNER’S MANUAL JAPANESE 1# 2603768702 OWNER’S MANUAL ENGLISH 1# ******** DRY BATTRY 1
MISCELLANEOUS
8
May 2002
ADJUSTMENTS
* Adjusting the clock frequency for delay time.
1.
Adjusting the high end of clock frequency (Adjusting the minimum delay time)
a. Set the VR3(D.TIME knob) to the min (fully-ccw).
b. Connect the oscilloscope to R26(1k ohm resister) or pin 5 (or pin 6) of IC3 (HD14066BP).
c. Adjust RT1 (1kB potentiometer) on MT BOARD for T=12.5±0.5uS(Fig.1).
In some types of products, turning the RT1 continuously clockwise may once go outside the adjustable range and reenter there.
Therefore, at the start, turn the RT1 fully counter-clockwise, then slowly turn it clockwise.
When the adjustable range is reached, stop turning it, then begin adjustment.
2.
Adjusting the high end of clock frequency (Adjusting the minimum delay time)
a. Set the VR3(D.TIME knob) to the max(fully-ccw).
b. Connect the oscilloscope to R26(1k ohm resister) or pin 5 (or pin 6) of IC3 (HD14066BP).
c. Adjust RT2 (47kB potentiometer) on MT BOARD for T=50±2uS(Fig.2).
fig.1
fig.check3
22
2123
5
3421
67
89
14
1516 17
13
1112
2510
181920
IC3R26RT1RT2
MAIN BOARDView from part side
VR3(D.TIME)
9
DD-3(T)
CIRCUIT BOARD
fig.circit
fig.circit
View from component side
View from foil side
11
May 2002 DD-3(T)
CIRCUIT DIAGRAMfig.circit
ACADAPTOR
9VBatte ry
INPUT
DIRECTOUT
OUTPUT
LED
BO
AR
D(P
CB
G29
2719
900
3/4)
CH
EC
K
D.TIME
MODE
F.BACK E.LEVEL
VR BOARD(PCB G2927199 00 2/4)
DQ2
17
1113
1516
12
14
8
7
6
920
19
18
10
25
222
21
23
3
1
5
4
SW BOARD(PCB G2927199 00 4/4)
JM-0404
(PCB G2927199 00 1/4)MAIN BOARD
RED
GRY
BRN
YELBLU
EARTH TERMINAL
EARTH TERMINAL
10
25
VIO
BLK
20
19
18
1311
17
1516
12
BRN
RED
ORG
9
6
7
8
14YEL
45
GRN
ORG
WHT
A7A6A5A4A3A2A1A0
DQ1DQ2DQ3DQ4
A7A6A5A4A3A2A1A0
DQ4DQ3DQ2DQ1
+
+A 9
+5D
D D
D
D
D
DD
D
D
+A 9
D
D
D
+5D
D
D
+A 9
+A 9
+5D
+5D
+A 9+A 9+A 9
+A 9
+A 9
+A 9+5D
+A 9
+A 9
+A 9
+A 9 +A 9
+A 9
+5D
+
++
++
D
+A 9
D
D
+A 9
+A 9
+5D
D
+A 9
D
+5D
D
+A 9
D
D
D
D
D
D
+5D
+5D
D
D
D
R3610k
R3810k
R3710k
C310.0047
C300.0027
R4510k
R3910k
R4210k
C320.0068
C35470p
R5510k
R4910k
R5110k
C390.018
C41220p
R447k
R310k
C20.0047
C433p
+
-
IC1BM5218AFP
6
57
C310/16
R1100k
LED1L-34HDSL
12
C1100/16
R6310k
R5910k
C4647/16
R5410k
C431/50
C60.0047
R1147k
R1010k
R1433k
C833p
C470.047
R601M
R5210k
R4410k
R47100k
C3610/16
R431k R7
100k
D9GS1G
12
R62220k
R58220k
C451/50
R611M
C48
0.047
R847k
IC3AHD14066BP
1 2
13
IC3DHD14066BP
11 10
12
IC4A
TC74HC00AF
1
23
IC4B
TC74HC00AF
4
56
R1333k
R61M
R9
33k
R24100
R23100k
1 2
IC4D
TC74HC00AF
12
1311
C20680p
R25100k
R32
2.2k
C23150pECQP
R4010k
IC3BHD14066BP
4 35
C33470pECQP
R3347k
IC3CHD14066BP
8 9
6
C171000pECQP
R341.5k
R352.2k
IC9TA78L05F
IN3
OUT1
CO
M2C28
0.1C290.1
C2747/16
IC3EHD14066BP
14
7
EMI1DSS306-55FZ103N
12
+
-
IC1AM5218AFP
2
31
+
- IC1CM5218AFP
84
+
-
IC8BuPC4072G2
6
57
R2710k
C260.1
RH03ADC13X (1kB)
RT1
1
2
3
C25
0.1
IC2SA571D
RECT CAP11
RECT IN12
AG CELL IN13
GND4
INV. IN15
RES. R316
OUTPUT17
THD TRIM18
THD TRIM29
OUTPUT210
RES. R3211
INV. IN212
VCC13
AG CELL IN214
RECT IN215
RECT CAP216
C51
1/50
C49
1/50
C50
1/50
C3810/16
C42100p
R4822kC44
0.0027
C400.0027
R5722k
R5322k
R56
47k
R50
47k
R413.3k
R4622k
C3710/16
C340.68T
R2110k
C160.0027
R2010k
R1910k
C13150p
C150.0012
R164.7k
C140.68T
C7100p
C90.0027
R15 47k
R1222k
R17
2.2k
C1147/16
C10
10/16
RH03ADCS4X (47kB)
RT2
1
2
3
VR2RK0971110-50kB
1
2
3
VR1RK0971110-50kB
1
2
3
VR3RK0971110-10kA
1
2
3
SW1ASRBM14011
121314 1115
SW1B
212223 2524
R6510k
JK4HEC0470-01-630
213
C22 22
p
JK2HTJ-064-14D
1
23
R6410k
JK1HTJ-064-13D
1
23
+
-
IC8CuPC4072G2
84
IC10ANJM319M
4
512
3
R6833k
R692.2k
IC10BNJM319M
9
107
8
IC10CNJM319M
116
C520.1
+
-
IC8AuPC4072G2
2
31
Q42SC3324GR
1
23 Q3
2SC3324GR1
23
Q82SC3324GR
1
23
Q52SC3324GR
1
23 Q9
2SC3324GR1
23Q7
2SC3324GR1
23
Q102SK879Y
3
12
Q62SK880GR
3
12
Q112SK880GR
31
2
Q12SC3324GR
12
3
D11SS355
12
R30
150
R31220
D41SS355
12
D71SS355
12
+
-
IC5NJM311M
3
27
1
84
65
D61SS355
12
D81SS355
12
IC4C
TC74HC00AF
9
108
C24
47/16
D51SS355
12
RA1RKM14L472-942F
1
23456789
10111213
14
D3
1SS355
12
R261k
R6733k
Q22SK879Y
3
12
C50.047
D21SS355
12
R510k
R2210k
R1810k
C120.0068
IC7MN51010RBA
SERIALI30
D1145
D1044
D943
D842
D741
D640
D539
D438
D337
D236
D135
D034
NORMSH28
XI84
VCOOUT83
CVIN182
CVIN281
FETSW25
MUTE59
TIME463
TIME665
HOLD26
EFSW23
GN
D31
TIM
E10
69
TIM
E11
70
GN
D75
VD
D73
VD
D33
RESET76
DQ47
DQ35
DQ210
DQ19
A717
A614
A515
A416
A318
A219
A120
A021
NRAS12
CAS16
NWE11
NOE8
C5647/16
R7022
C550.1
R7133k
R66560
D10RD5.6S B3
12
R21k
JK3HTJ-064-14I
1
24
IC4ETC74HC00AF
147
RA4CRN34103J
1 82 73 64 5
R29 470
C540.1
C530.1 IC11
M11B416256A-35J
VCC1
DQ12 DQ23 DQ34 DQ45
VCC6
DQ57 DQ68 DQ79 DQ8
10
NC11
NC12
WE13
RAS14
NC15
A016A117A218A319
VCC20
VSS21
A422A523A624A725A826
OE27
UCAS28
LCAS29
NC30
DQ931 DQ1032 DQ1133 DQ1234
VSS35
DQ1336 DQ1437 DQ1538 DQ1639
VSS40
C180.01
RA3CRN34103J
1 82 73 64 5
RA2CRN34103J
1 82 73 64 5
