Page 1
PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000
K-ZZS. FEB. 2000 Printed in Japan
ORDER NO.
CRT2457
SYSTEM CONTROL UNIT
SCU-2456
ZRN X1B/EW
RENAULT
SCU-2456ZRN/X1B/EW
SCU-2556ZRN X1B/EW
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................2
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM .....9
4. PCB CONNECTION DIAGRAM ................................18
5. ELECTRICAL PARTS LIST ........................................24
6. ADJUSTMENT..........................................................34
7. GENERAL INFORMATION .......................................36
7.1 CONNECTOR FUNCTION DESCRIPTION .........36
7.2 IC ........................................................................38
7.3 OPERATIONAL FLOW CHART...........................40
8. SPECIFICATIONS......................................................41
VEHICLE DESTINATION PRODUCED AFTER PART No. ID No. PIONEER MODEL No.
ESPACE and AVANTIME EUROPE March 2000 6025 40 3834 SCU-2456ZRN/X1B/EW
ESPACE and AVANTIME EUROPE March 2000 6025 40 2759 SCU-2556ZRN/X1B/EW
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SCU-2456ZRN,2556ZRN
1. SAFETY INFORMATION
This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.
2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
1
2
5
3
6
4
7
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3
SCU-2456ZRN,2556ZRN
1 Cover UHD-026
2 Protector UHP-020
3 Polyethylene Bag UEG-012
4 Protector UHP-018
5 Protector UHP-019
6 Protector UHP2266
7 Contain Box(2456ZRN) UHL3974
Contain Box(2556ZRN) UHL3975
Mark No. Description Part No.
- PACKING SECTION PARTS LIST
NOTE:
- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to ∇ mark on the product are used for disassembly.
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SCU-2456ZRN,2556ZRN
2.2 EXTERIOR(SCU-2456ZRN)
Page 5
5
SCU-2456ZRN,2556ZRN
1 Screw BMZ30P060FMC
2 Screw BMZ30P140FMC
3 Chassis CNA2288
4 Case CNB1780
5 Insulator CNM3864
6 Cover CNS4018
7 Screw BMZ30P140FMC
8 Heat Sink CNC7755
9 Tuner Amp Unit UWM6914
10,11 •••••
12 Connector(CN652) CKS3180
13 Connector(CN852) CKS3181
14 Connector(CN701) CKS3182
15 DIN Socket(CN651) CKS3185
16 Connector(CN851) CKS3186
17 DIN Socket(CN653) CKS3189
18 •••••
19 Holder CNC5105
20 Holder CNC5107
21 Holder CNC5433
22 •••••
23 FM/AM Tuner Unit CWE1416
24-28 •••••
29 Holder CNC6555
30 •••••
31 Screw BMZ30P060FMC
32 •••••
33 Fuse(10A) CEK1136
34 Connector(CN551) CKM1258
35 •••••
36 Holder CNC5106
37 Holder CNC5435
38 Holder Unit(CN501) CXA6151
39 IC(IC901) PA2024A
40 Transistor(Q906) 2SA1358
41 •••••
42 IC(IC551) TDA7385
- EXTERIOR SECTION PARTS LIST
Mark No. Description Part No.
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SCU-2456ZRN,2556ZRN
2.3 EXTERIOR(SCU-2556ZRN)
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SCU-2456ZRN,2556ZRN
1 Screw BMZ30P060FMC
2 Screw BMZ30P140FMC
3 Chassis CNA2289
4 Case CNB1780
5 Insulator CNM3864
6 Cover CNS4018
7 Screw BMZ30P140FMC
8 Heat Sink CNC7755
9 Tuner Amp Unit UWM6917
10,11 •••••
12 Connector(CN652) CKS3180
13 Connector(CN852) CKS3181
14 Connector(CN701) CKS3182
15 DIN Socket(CN651) CKS3185
16 Connector(CN851) CKS3186
17 DIN Socket(CN653) CKS3189
18 Pin Jack(CN401) CKS3200
19 Holder CNC5105
20 Holder CNC5107
21 Holder CNC5433
22 •••••
23 FM/AM Tuner Unit CWE1416
24-28 •••••
29 Holder CNC6555
30 •••••
31 Screw BMZ30P060FMC
32 •••••
33 Fuse(10A) CEK1136
34 Connector(CN551) CKM1258
35 •••••
36 Holder CNC5106
37 Holder CNC5435
38 Holder Unit(CN501) CXA6151
39 IC(IC901) PA2024A
40 Transistor(Q906) 2SA1358
41 •••••
42 IC(IC551) PAL003A
- EXTERIOR SECTION PARTS LIST
Mark No. Description Part No.
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SCU-2456ZRN,2556ZRN
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9
SCU-2456ZRN,2556ZRN
1
2
34
1
2
34
D
C
B
A
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
SYSTEM
CONTROLLER
IC701(2/2)
PE5157A
B.U
Q906
Q905
Q904
Q908
SW+B
SW+B
BRST
BSET
BINH
REMIN
TELMUT
BSENS
RESET
ASENS
MUTE
KDT1
KDT2
KDT0
KST1
KST2
KST0
SYSPW
AMPMUTE
PEE
23
25
22
28
29
27
7
Q551
SOFT MUTE
Q553
26
25
24
23
22
21
KDT1
KDT2
KDT0
KST1
KST2
KST0
20
FUSE 10A
B.U
SYSPW
15
VDD
B.U
VDD
VDD2
5V REGULATOR/SENSE
IC902 PAJ001A
BUPIN
ASENIN
RSTIN
BSENIN
MUTESENS
12
13
3
9
14
MUTEOUT
1
4
2
5
3
8
76
3
5
1
7
3
5
1
7
SYSTEM
CONTROLLER
IC701(1/2)
PE5157A
42
41
X1
X2
X701
Q704
Q401 Q403
24
1
X501
Q503
Q504
FM LOOP FILTER
Q501
Q502
AM LOOP FILTER
IC501
LC72146M
TUNER PLL
RDS HIC
IC502
CWV1065
17
16
20
19
15
20
FMSD
TUN+B
9
8.4V
REGULATOR
FM+B
7
AM+B
3
VCC
5
2
SYSPW
B.U
4
6
IC901
PA2024A
FM+B
TUN+B
AM+B
14
Q508
VR501
SL
47 52
FMSD
34
TMUTE
SL
FMSD
TUNER-L
Q705
VDD
SWITCH
TRANSMITTER
INTERFACE
VDD2
SWVDD
1
AVPOW
CN852
Rch
HEADPHONE
OUT
2
3
1
Lch
CN851
Q853 Q851
VCC
Lch OUTPUT
VCC (8.5V)
Lch INPUT
SIGNAL GND
HEADPHONE-Lch OUT
Q855
FIX
MUTE
AUDIO-Lch OUT
1
2
AUDIO MIX
IC403
NJM4558MD
5
Lch
IC751
PMJ002A
19
20
ZCINL
FL
OUT
RL
OUT
ELECTRONIC
VOLUME CONTROL
RL
FL
ACCMUT
PEE
MUTE
Q703
MUTE
POWER AMP
RLIN
FLIN
IC551
STBY
MUTE
RLOUT+
RLOUTFLOUTFLOUT+
15
11
17
19
7
9
4
22
15
16
14
13
18
19
27
28
IN1
L5
IN0
L1
IN2
L0
GND
CONC
CONB CONA
BUP1
BUP2
B.U
RLRL+
FLFL+
FR-
FR+
RR-
RR+
GND
ACC
ANT+B
BUP
TELMUTE
12
11
10
987
65432
1
Q702
ACC
SYSPW
MUTE
Q555
RL
FL
14
2
13
8
4
36
54
37
35
38
BSENS
RESET
ASENS
11
5
7
6
2
4
ACC
TELMUTE
FRONT Lch FIX EQUALIZER
REAR Lch FIX EQUALIZER
IC201
NJM4558MD
IC202
NJM4558MD
IC251
NJM4558MD
IC252
NJM4558MD
Q201
253Hz
Q203
117Hz
Q205
5.4kHz
Q251
141Hz
Q253
250Hz
Q255
1.45kHz
3
3
3
3
1
1
11
2
RL-OUT
FL-OUT
VDT/VCK/VST
CN701
CN653
CN652
CN651
CN401
AUX IN
CASSETTE
PLAYER
M-CD
PLAYER
DISPLAY
IR
RECEIVER
2
2
3
5
8
10
7
5
6
CD-L
BSET
BINH
SWVDD
BRST
Q405
DECK
MUTE
DMUTE
TAPE-L
AUX-IN
6
7
IC404
NJM4558MD
REMIN
HEADPHONE
TRANSMITTER
SCU-2556ZRN ONLY
21
IC2
PA4024A
AM+B
Q3
Q201
Q202
AM RF/AGC
FM RF
14
10
CF232
25
T31
Q31
CF51
AM IF
B
FM/AM TUNER UNIT
7
9
18
2
6
21
15
5
13
19
26
25
20
17
FM PROCESSOR
IC1
PA4023B
FM/AM PROCESSOR
23
9
FM MIX
FM IF
FM IF
CF52
FM IF
CF53
15
17
19 47
41
34
638323616 18
1
FM
OSC
AM
OSC
TUN+B
FM+B
FMTV
AMIFC
VCO
AMTV
Q165
T51
2
FMSD
COMP
FMSL
AMSL
31 30
28
33 40
7
43
19
FM/AM
ANTENNA
CN501
14
A
TUNER AMP UNIT
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SCU-2456ZRN,2556ZRN
1
23
4
1234
D
C
B
A
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS
LIST”.
A-a A-b
A-aA-a
A-b A-b
A-b A-b
A-a A-a
Large size
SCH diagram
Guide page
Detailed page
A
A-a
TAPE:-12.1dBs
AM:-22.4dBs
FM:-12.5dBs
M-CD:-3.8dBs
AUX:-15.0dBs
AUX:-15.0dBs
AM:-22.4dBs
FM:-12.5dBs
M-CD:-3.7dBs
TAPE:
-12.1dBs
2R2K(B)
B
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SCU-2456ZRN,2556ZRN
5
6
78
5
6
78
D
C
B
A
A-b
A
TAPE:-4.6dBs
AM:-8.1dBs
FM:2.4dBs
M-CD:2.9dBs
AUX:-10.0dBs
TAPE:21.8dBs
AM:18.1dBs
FM:28.6dBs
M-CD:29.0dBs
AUX:16.3dBs
A
TUNER AMP UNIT
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SCU-2456ZRN,2556ZRN
1
23
4
1234
D
C
B
A
TAPE:-12.1dBs
AM:-22.4dBs
FM:-12.5dBs
M-CD:-3.8dBs
AUX:-15.0dBs
AUX:-15.0dBs
AM:-22.4dBs
FM:-12.5dBs
2R2K(B)
B
A-a
A-a
A-b
1
2
345
6
8
7
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SCU-2456ZRN,2556ZRN
5
6
78
5
6
78
D
C
B
A
M-CD:-3.7dBs
TAPE:
-12.1dBs
A-a
A-a
A-b
8
7
9
10
11
12
131415
16
17
Page 14
14
1
23
4
1234
D
C
B
A
TAPE:-4.6dBs
A-a
A-b
A-b
1
2
345
6
8
7
SCU-2456ZRN,2556ZRN
Page 15
15
5
6
78
5
6
78
D
C
B
A
TAPE:-4.6dBs
AM:-8.1dBs
FM:2.4dBs
M-CD:2.9dBs
AUX:-10.0dBs
TAPE:21.8dBs
AM:18.1dBs
FM:28.6dBs
M-CD:29.0dBs
AUX:16.3dBs
TUNER AMP UNIT
A
A-b
A-a
A-b
8
7
9
10
11
121314
15
16
17
SCU-2456ZRN,2556ZRN
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SCU-2456ZRN.2556ZRN
1
23
4
1234
D
C
B
A
3
1
2
FM/AM TUNE
DSP-201M-A11F
B
3.3 FM/AM TUNER UNIT
B
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SCU-2456ZRN,2556ZRN
5
6
78
5
6
78
D
C
B
A
B
A
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SCU-2456ZRN.2556ZRN
1
23
4
1234
D
C
B
A
FUSE
IR RECEIVER
4. PCB CONNECTION DIAGRAM
4.1 TUNER AMP UNIT
NOTE FOR PCB DIAGRAMS
1. The parts mounted on this PCB
include all necessary parts for
several destination.
For further information for
respective destinations, be sure
to check with the schematic dia-
gram.
2. Viewpoint of PCB diagrams
A
A
Capacitor
Connector
P.C.Board
Chip Part
SIDE A
SIDE B
TUNER AMP UNIT
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SCU-2456ZRN,2556ZRN
5
6
78
5
6
78
D
C
B
A
A
DISPLAY
CASSETTE
PLAYER
M-CD PLAYER
AUX IN
HEADPHONE SYSTEM
FMSL3
SIDE A
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SCU-2456ZRN.2556ZRN
1
23
4
1234
D
C
B
A
A
A
TUNER AMP UNIT
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SCU-2456ZRN,2556ZRN
5
6
78
5
6
78
D
C
B
A
A
SIDE B
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SCU-2456ZRN.2556ZRN
1
23
4
1234
D
C
B
A
4.2 FM/AM TUNER UNIT
SIDE A
FM/AM TUNER UNIT
A
B
B
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1
2
34
1
2
34
D
C
B
A
SIDE B
FM/AM TUNER UNIT
B
B
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SCU-2456ZRN,2556ZRN
5. ELECTRICAL PARTS LIST
NOTES:
- Parts whose parts numbers are omitted are subject to being not supplied.
- The part numbers shown below indicate chip components.
Chip Resistor
RS1/_S___J,RS1/__S___J
Chip Capacitor (except for CQS.....)
CKS....., CCS....., CSZS.....
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
Unit Number : CWE1416
Unit Name : FM/AM Tuner Unit
MISCELLANEOUS
IC 1 IC PA4023B
IC 2 IC PA4024A
Q 1 Transistor 2SC2412K
Q 2 Transistor DTC124EU
Q 3 FET 3SK263
Q 31 Transistor 2SC2412K
Q 154 Transistor DTC124EU
Q 165 Transistor 2SC2412K
Q 201 FET 2SK932
Q 202 Transistor 2SC2412K
Q 203 Transistor DTC124EU
D 4 Diode 1SV250
D 5 Diode KV1410-F1
D 7 Diode KV1410-F1
D 8 Diode KV1410-F1
D 201 Diode MA157
D 202 Diode MA157
D 231 Diode SVC253
L 2 Coil CTC1108
L 3 Inductor LCTB2R2K2125
L 4 Coil CTC1108
L 5 Coil CTC1107
L 6 Inductor LCTBR15K1608
L 51 Ferri-Inductor LAU150K
L 201 Ferri-Inductor LAU4R7K
L 202 Ferri-Inductor LAU330K
L 203 Inductor CTF1287
L 208 Inductor LAU121K
L 231 Inductor LCTA3R3J3225
T 31 Coil CTE1116
T 51 Coil CTC1136
TC 1 Capacitor CCL1046
CF 51 Ceramic Filter CTF1442
CF 52 Ceramic Filter CTF1442
CF 53 Ceramic Filter CTF1442
CF 232 Ceramic Filter CTF1348
X 151 Radiator 918.5Hz CSS1365
X 231 Crystal Resonator 10.26MHz CSS1111
VR 154 Semi-fixed 150kΩ(B) CCP1213
AR 1 DSP-201M
RESISTORS
R 1 RS1/16S0R0J
R 4 RS1/16S154J
R 5 RS1/16S391J
R 6 RS1/16S223J
R 7 RS1/16S123J
R 8 RS1/16S332J
R 9 RS1/16S473J
R 10 RS1/16S223J
R 11 RS1/16S124J
R 13 RS1/16S563J
R 15 RS1/16S271J
R 16 RS1/16S104J
R 17 RS1/16S332J
R 18 RS1/16S332J
R 31 RS1/16S470J
R 32 RS1/16S822J
R 33 RS1/16S822J
R 34 RS1/16S331J
R 35 RS1/16S331J
R 40 RS1/16S470J
R 51 RS1/16S271J
R 52 RS1/16S560J
R 55 RS1/16S102J
R 56 RS1/16S823J
R 61 RS1/16S392J
R 62 RS1/16S393J
R 101 RS1/16S272J
R 102 RS1/16S682J
R 103 RS1/16S333J
R 104 RS1/16S334J
R 105 RS1/16S683J
R 107 RS1/16S222J
R 151 RS1/16S222J
R 152 RS1/16S393J
R 154 RS1/16S104J
R 155 RS1/16S273J
R 156 RS1/16S243J
R 157 RS1/16S203J
R 160 RS1/16S222J
R 161 RS1/16S563J
R 162 RS1/16S105J
R 163 RS1/16S222J
R 202 RS1/16S223J
R 203 RS1/16S225J
R 204 RS1/16S103J
R 206 RS1/16S220J
R 207 RS1/16S101J
R 208 RS1/16S102J
R 209 RS1/16S471J
R 214 RS1/16S822J
R 215 RS1/16S822J
R 217 RS1/16S102J
R 231 RS1/16S272J
R 232 RS1/16S473J
R 237 RS1/16S103J
R 238 RS1/16S104J
R 239 RS1/16S104J
R 240 RS1/16S332J
R 241 RS1/16S202J
R 243 RS1/16S123J
R 244 RS1/16S103J
R 247 RS1/16S123J
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
B
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SCU-2456ZRN,2556ZRN
CAPACITORS
C 1 CCSQCH6R0D50
C 2 CCSRCK2R0C50
C 4 CCSRCH820J50
C 6 CCSRCH820J50
C 8 CKSRYB103K25
C 9 CKSQYB104K16
C 10 CCSRCKR50C50
C 11 CEJA1R0M50
C 13 CKSRYB222K50
C 14 CCSRCH220J50
C 16 CCSRCH8R0D50
C 17 CKSRYB222K50
C 18 CKSRYB103K25
C 19 CKSRYB222K50
C 20 CKSRYB222K50
C 21 CEJA100M16
C 22 CCSRTH9R0D50
C 23 CCSRTH120J50
C 24 CCSRCH471J50
C 25 CKSRYB103K25
C 31 CKSRYB103K25
C 32 CKSQYB472K50
C 33 CCSRCH5R0C50
C 34 CKSQYB104K16
C 36 CCSRRH201J50
C 51 CKSRYB223K25
C 52 CKSRYB103K25
C 54 CCSRCH470J50
C 55 CKSQYB223K25
C 56 CKSQYB104K16
C 57 CKSRYB472K50
C 58 CEJA330M10
C 59 CKSRYB103K25
C 61 CCSRCH270J50
C 62 CKSRYB103K25
C 63 CEJAR15M50
C 101 CEJANP100M10
C 102 CKSRYB182K50
C 103 CKSRYB682K25
C 104 CEJA2R2M50
C 105 CKSRYB103K25
C 106 CCSRCH151J50
C 107 CKSRYB103K25
C 151 CKSRYB472K50
C 152 CKSQYB104K16
C 153 CEJA3R3M50
C 154 CKSQYB104K16
C 157 CEJA3R3M50
C 158 CKSYB474K16
C 159 CEJA220M6R3
C 160 CKSQYB104K16
C 161 CKSQYB104K16
C 162 CEJA3R3M50
C 163 CKSRYB102K50
C 170 CCSRCH100D50
C 201 CCSRCH471J50
C 202 CCSRCH100D50
C 203 CKSRYB332K50
C 204 CKSQYB473K16
C 205 CKSQYB473K16
C 206 CKSQYB104K16
C 207 CCSRCH560J50
C 209 CKSQYB104K16
C 211 CCSRCH101J50
C 212 CEJA470M6R3
C 213 CKSRYB103K25
C 216 CCSRCH101J50
C 217 CEJA1R5M50
C 219 CCSRCH471J50
C 220 CKSRYB103K25
C 230 CKSRYB103K25
C 231 CCSRCH330J50
C 232 CCSRCH150J50
C 233 CKSQYB104K16
C 234 CEJA330M10
C 235 CKSRYB332K50
C 236 CKSQYB473K16
C 237 CCSRCH120J50
C 239 CKSRYB472K50
C 240 CEJAR47M50
C 241 CKSQYB104K16
C 242 CEJAR47M50
C 243 CEJAR33M50
C 244 CKSQYB473K16
C 245 CKSRYB123K25
C 246 CKSQYB473K16
C 250 CCSRCH471J50
Unit Number : UWM6914(SCU-2456ZRN)
Unit Name : Tuner Amp Unit
MISCELLANEOUS
IC 201 IC NJM4558MD
IC 202 IC NJM4558MD
IC 251 IC NJM4558MD
IC 252 IC NJM4558MD
IC 403 IC NJM4558MD
IC 501 IC LC72146M
IC 502 HIC Module CWV1065
IC 551 IC TDA7385
IC 701 IC PE5157A
IC 751 IC PMJ002A
IC 901 IC PA2024A
IC 902 IC PAJ001A
Q 201 Transistor 2SC2712
Q 202 Transistor 2SC2712
Q 203 Transistor 2SC2712
Q 204 Transistor 2SC2712
Q 205 Transistor 2SC2712
Q 206 Transistor 2SC2712
Q 251 Transistor 2SC2712
Q 252 Transistor 2SC2712
Q 253 Transistor 2SC2712
Q 254 Transistor 2SC2712
Q 255 Transistor 2SC2712
Q 256 Transistor 2SC2712
Q 401 Transistor DTC143TK
Q 402 Transistor DTC143TK
Q 403 Transistor DTC143TK
Q 404 Transistor DTC143TK
Q 405 Transistor DTC343TK
Q 406 Transistor DTC343TK
Q 409 Transistor DTA114EK
Q 410 Transistor DTA114EK
Q 411 Transistor DTC343TK
Q 412 Transistor DTC343TK
Q 501 Transistor 2SK208
Q 502 Transistor 2SC2712
Q 503 Transistor 2SK208
Q 504 Transistor 2SC2712
Q 505 Transistor DTC124EK
Q 506 Transistor DTC124EK
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
25
A
Page 26
26
SCU-2456ZRN,2556ZRN
Q 507 Transistor 2SC2712
Q 508 Transistor 2SC2712
Q 551 Transistor DTC343TK
Q 552 Transistor DTC343TK
Q 553 Transistor DTC343TK
Q 554 Transistor DTC343TK
Q 555 Transistor DTC124EK
Q 701 Transistor DTA114EK
Q 702 Transistor DTA114EK
Q 703 Transistor DTA114EK
Q 704 Transistor DTA114EK
Q 705 Transistor DTA114EK
Q 706 Transistor DTA114EK
Q 851 Transistor DTC143TK
Q 852 Transistor DTC143TK
Q 853 Transistor DTC143TK
Q 854 Transistor DTC143TK
Q 855 Transistor DTA114EK
Q 904 Transistor 2SC2712
Q 905 Transistor DTC114TK
Q 906 Transistor 2SA1358
Q 908 Transistor 2SC2712
D 401 Chip Diode MA151WA
D 402 Diode MA3043(M)
D 403 Chip Diode MA151WA
D 404 Chip Diode MA151WK
D 501 Diode MA3027(H)
D 502 Diode MA3027(H)
D 503 Chip Diode MA151WK
D 504 Diode MA3047(M)
D 551 Chip Diode MA151WA
D 552 Chip Diode MA151WA
D 553 Diode ERC05-10B
D 554 Diode ERA15-02VH
D 555 Diode ERA15-02VH
D 556 Diode ERA15-02VH
D 651 Diode MA153
D 652 Diode MA153
D 653 Diode MA153
D 654 Diode MA153
D 655 Diode MA153
D 656 Diode MA153
D 657 Diode MA153
D 658 Diode MA153
D 659 Diode MA153
D 660 Diode MA153
D 661 Diode MA153
D 662 Diode MA153
D 663 Diode MA153
D 701 Diode 1SS133
D 702 Diode MA153
D 703 Chip Diode MA151WK
D 704 Chip Diode MA151WK
D 705 Chip Diode MA151WK
D 851 Chip Diode MA151WA
D 901 Diode ERA15-02VH
D 907 Diode 1SS133
L 501 Inductor LAU100K
L 502 Ferri-Inductor LAU4R7K
L 503 Ferri-Inductor LAU4R7K
L 504 Ferri-Inductor LAU4R7K
L 505 Ferri-Inductor LAU2R2K
L 551 Choke Coil 0.3mH CTH1075
L 701 Ferri-Inductor LAU2R2K
L 702 Ferri-Inductor LAU2R2K
X 501 Crystal Resonator 4.5MHz CSS1011
X 701 Ceramic Resonator 4.190MHz CSS1361
VR 501 Semi-fixed 2.2kΩ(B) CCP1202
AR 501 DSP-201M
Fuse 10A CEK1136
RESISTORS
R 201 RS1/10S473J
R 202 RS1/10S473J
R 203 RS1/10S182J
R 204 RS1/10S182J
R 205 RS1/10S472J
R 206 RS1/10S472J
R 207 RD1/4PU472J
R 208 RD1/4PU472J
R 209 RS1/10S123J
R 210 RS1/10S123J
R 213 RS1/10S683J
R 214 RS1/10S683J
R 215 RS1/10S122J
R 216 RS1/10S122J
R 217 RS1/10S332J
R 218 RS1/10S332J
R 221 RS1/10S103J
R 222 RS1/10S103J
R 223 RS1/10S683J
R 224 RS1/10S683J
R 225 RS1/10S122J
R 226 RS1/10S122J
R 227 RS1/10S332J
R 228 RS1/10S332J
R 231 RS1/10S332J
R 232 RS1/10S332J
R 233 RS1/10S683J
R 234 RS1/10S683J
R 235 RS1/10S122J
R 236 RS1/10S122J
R 237 RS1/10S332J
R 238 RS1/10S332J
R 239 RS1/10S472J
R 240 RS1/10S472J
R 243 RD1/4PU222J
R 244 RD1/4PU222J
R 245 RD1/4PU0R0J
R 246 RD1/4PU0R0J
R 251 RS1/10S473J
R 252 RS1/10S473J
R 253 RS1/10S122J
R 254 RS1/10S122J
R 255 RS1/10S472J
R 256 RS1/10S472J
R 257 RD1/4PU472J
R 258 RD1/4PU472J
R 259 RS1/10S821J
R 260 RS1/10S821J
R 263 RS1/10S683J
R 264 RS1/10S683J
R 265 RS1/10S122J
R 266 RS1/10S122J
R 267 RS1/10S332J
R 268 RS1/10S332J
R 269 RS1/10S101J
R 270 RS1/10S101J
R 273 RS1/10S683J
R 274 RS1/10S683J
R 275 RS1/10S122J
R 276 RS1/10S122J
R 277 RS1/10S332J
R 278 RS1/10S332J
R 279 RS1/10S152J
R 280 RS1/10S152J
R 283 RS1/10S683J
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
Page 27
SCU-2456ZRN,2556ZRN
R 284 RS1/10S683J
R 285 RS1/10S122J
R 286 RS1/10S122J
R 287 RS1/10S332J
R 288 RS1/10S332J
R 289 RS1/10S472J
R 290 RS1/10S472J
R 291 RS1/10S683J
R 292 RS1/10S683J
R 401 RS1/10S822J
R 402 RS1/10S822J
R 403 RS1/10S102J
R 404 RS1/10S102J
R 405 RS1/10S102J
R 406 RS1/10S102J
R 407 RS1/10S473J
R 408 RS1/10S473J
R 409 RS1/10S152J
R 410 RS1/10S152J
R 411 RS1/10S682J
R 412 RS1/10S682J
R 421 RS1/10S122J
R 422 RS1/10S122J
R 423 RS1/10S223J
R 424 RS1/10S223J
R 425 RS1/10S223J
R 426 RS1/10S223J
R 435 RS1/10S223J
R 436 RS1/10S223J
R 437 RD1/4PU273J
R 438 RD1/4PU273J
R 439 RS1/10S223J
R 440 RS1/10S223J
R 441 RS1/10S273J
R 442 RS1/10S273J
R 452 RD1/4PU151J
R 453 RS1/10S104J
R 454 RD1/4PU152J
R 455 RD1/4PU152J
R 501 RS1/10S222J
R 502 RS1/10S222J
R 503 RS1/10S102J
R 504 RS1/10S152J
R 505 RS1/10S472J
R 506 RS1/10S103J
R 507 RS1/10S102J
R 508 RS1/10S102J
R 509 RS1/10S102J
R 510 RS1/10S102J
R 511 RS1/10S102J
R 512 RS1/10S102J
R 513 RS1/10S222J
R 514 RS1/10S222J
R 515 RS1/10S473J
R 516 RS1/10S103J
R 517 RS1/10S102J
R 518 RS1/10S393J
R 519 RS1/10S102J
R 521 RS1/10S563J
R 522 RS1/10S102J
R 523 RD1/4PU151J
R 524 RS1/10S0R0J
R 525 RS1/10S0R0J
R 540 RS1/10S103J
R 542 RS1/10S0R0J
R 551 RD1/4PU222J
R 552 RD1/4PU222J
R 553 RD1/4PU222J
R 554 RD1/4PU222J
R 555 RD1/4PU562J
R 556 RD1/4PU562J
R 557 RD1/4PU0R0J
R 558 RD1/4PU0R0J
R 559 RS1/10S104J
R 560 RS1/10S104J
R 563 RS1/10S391J
R 564 RS1/10S273J
R 565 RS1/10S103J
R 566 RS1/10S103J
R 567 RS1/10S103J
R 568 RS1/10S331J
R 569 RA4C223J
R 570 RD1/4PU102J
R 571 RD1/4PU103J
R 601 RA4C102J
R 602 RS1/10S473J
R 603 RS1/10S473J
R 604 RS1/10S473J
R 605 RS1/10S473J
R 606 RS1/10S223J
R 607 RS1/10S473J
R 608 RS1/10S473J
R 609 RS1/10S471J
R 610 RS1/10S473J
R 611 RS1/10S473J
R 612 RS1/10S473J
R 651 RS1/10S471J
R 652 RS1/10S471J
R 653 RS1/10S471J
R 654 RS1/10S471J
R 655 RS1/10S471J
R 656 RS1/10S471J
R 657 RS1/10S471J
R 658 RS1/10S103J
R 659 RS1/10S682J
R 660 RS1/10S682J
R 661 RS1/10S103J
R 662 RS1/10S103J
R 663 RS1/10S103J
R 664 RS1/10S473J
R 665 RS1/10S221J
R 666 RS1/10S221J
R 667 RS1/10S221J
R 668 RS1/10S221J
R 669 RS1/10S221J
R 670 RS1/10S221J
R 671 RS1/10S221J
R 672 RS1/10S471J
R 673 RS1/10S471J
R 674 RS1/10S471J
R 675 RS1/10S471J
R 676 RS1/10S471J
R 677 RS1/10S471J
R 678 RA4C473J
R 680 RS1/10S0R0J
R 683 RS1/10S0R0J
R 684 RS1/10S0R0J
R 685 RS1/10S2R2J
R 686 RS1/10S2R2J
R 687 RS1/10S2R2J
R 701 RS1/10S102J
R 702 RS1/10S102J
R 703 RS1/10S473J
R 705 RS1/10S471J
R 706 RS1/10S0R0J
R 707 RS1/10S471J
R 708 RS1/10S471J
R 709 RS1/10S471J
R 710 RA4C471J
R 713 RA4C471J
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
27
Page 28
28
SCU-2456ZRN,2556ZRN
R 716 RA4C0R0J
R 717 RS1/10S102J
R 718 RS1/10S105J
R 719 RS1/10S471J
R 720 RS1/10S823J
R 721 RS1/10S0R0J
R 722 RS1/10S471J
R 723 RS1/10S471J
R 724 RS1/10S473J
R 725 RS1/10S471J
R 726 RS1/10S471J
R 727 RS1/10S0R0J
R 728 RS1/10S0R0J
R 729 RS1/10S223J
R 730 RS1/10S473J
R 731 RD1/4PU101J
R 732 RS1/10S472J
R 733 RS1/10S473J
R 734 RS1/10S102J
R 735 RS1/10S102J
R 751 RS1/10S681J
R 752 RS1/10S681J
R 753 RS1/10S273J
R 754 RS1/10S273J
R 755 RS1/10S101J
R 756 RS1/10S101J
R 757 RS1/10S152J
R 758 RS1/10S123J
R 759 RS1/10S153J
R 760 RA4C472J
R 761 RS1/10S102J
R 851 RS1/10S393J
R 852 RS1/10S393J
R 853 RS1/10S272J
R 854 RS1/10S272J
R 855 RS1/10S332J
R 856 RS1/10S332J
R 857 RS1/10S220J
R 901 RS1/10S154J
R 902 RS1/10S623J
R 903 RS1/10S124J
R 904 RS1/10S513J
R 905 RS1/10S154J
R 906 RS1/10S563J
R 907 RS1/10S124J
R 908 RS1/10S683J
R 909 RS1/10S102J
R 914 RS1/10S153J
R 915 RS1/10S152J
R 916 RS1/10S223J
R 917 RS1/10S472J
R 920 RS1/10S272J
R 921 RS1/10S122J
R 922 RS1/10S103J
R 923 RS1/10S473J
R 924 RS1/10S473J
R 925 RS1/10S473J
R 927 RS1/10S473J
CAPACITORS
C 201 CKSQYB821K50
C 202 CKSQYB821K50
C 203 CKSQYB274K16
C 204 CKSQYB274K16
C 205 CKSQYB183K50
C 206 CKSQYB183K50
C 207 CKSQYB154K16
C 208 CKSQYB154K16
C 209 CKSQYB154K16
C 210 CKSQYB154K16
C 211 CKSQYB272K50
C 212 CKSQYB272K50
C 213 CKSQYB392K50
C 214 CKSQYB392K50
C 215 CKSQYB821K50
C 216 CKSQYB821K50
C 251 CKSQYB821K50
C 252 CKSQYB821K50
C 253 CKSQYB474K16
C 254 CKSQYB474K16
C 255 CKSQYB333K50
C 256 CKSQYB333K50
C 257 CKSQYB154K16
C 258 CKSQYB154K16
C 259 CKSQYB333K50
C 260 CKSQYB333K50
C 261 CKSQYB822K50
C 262 CKSQYB822K50
C 263 CKSQYB103K50
C 264 CKSQYB103K50
C 265 CKSQYB821K50
C 266 CKSQYB821K50
C 401 CKSQYB223K50
C 402 CKSQYB223K50
C 403 CKSQYB153K50
C 404 CKSQYB153K50
C 405 CEAT2R2M50
C 406 CEAT2R2M50
C 427 CEAT100M50
C 428 CEAT100M50
C 429 CCSQCH101J50
C 430 CCSQCH101J50
C 434 CEAT221M6R3
C 435 CKSQYB103K50
C 501 4.7µF/16V CCH1250
C 502 CKSQYB103K50
C 503 CFTNA474J50
C 504 CKSQYB103K50
C 505 CCSQCH120J50
C 506 CCSQCH120J50
C 508 CKSQYB223K50
C 509 CKSQYB223K50
C 511 CEATR47M50
C 512 CKSQYB103K50
C 513 CEAT100M50
C 514 CKSQYB104K50
C 515 CCSQCH101J50
C 516 CCSQCH101J50
C 518 CKSQYB473K50
C 519 CKSQYB103K50
C 521 CKSQYB104K50
C 522 CKSYB105K16
C 525 CKLSR473K16
C 526 CKSQYB104K50
C 527 CKSQYB223K50
C 528 CKSQYB223K50
C 533 CCSQCH101J50
C 534 CEAT100M50
C 535 CKSQYB104K50
C 536 CEATR22M50
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
Page 29
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SCU-2456ZRN,2556ZRN
C 537 CEAT101M16
C 538 CKSQYB103K50
C 539 CKSQYB472K50
C 551 CEAT1R0M50
C 552 CEAT1R0M50
C 553 CEAT1R0M50
C 554 CEAT1R0M50
C 555 CFTNA224J50
C 556 CFTNA224J50
C 557 CFTNA224J50
C 558 CFTNA224J50
C 559 CKSQYB222K50
C 560 CFTNA224J50
C 561 CEAT100M50
C 562 CEAT1R0M50
C 563 CEAT2R2M50
C 564 CKSQYB104K50
C 565 CEAT472M16
C 567 CKSQYB473K50
C 568 CKSQYB473K50
C 681 CKSQYB104K50
C 682 CKSQYB104K50
C 701 CKSQYB473K50
C 702 CKSQYB473K50
C 703 CEAT100M50
C 704 CKSQYB102K50
C 705 CKSQYB473K50
C 706 CKSQYB473K50
C 707 CEAT4R7M50
C 751 CEJA1R0M50
C 752 CEJA1R0M50
C 753 CKSQYB272K50
C 754 CKSQYB272K50
C 755 CEAT100M50
C 756 CEAT100M50
C 757 CKSQYB152K50
C 758 CKSQYB152K50
C 759 CKSQYB183K50
C 760 CKSQYB183K50
C 761 CCSQCH221J50
C 762 CCSQCH221J50
C 763 CKSQYB224K16
C 764 CKSQYB224K16
C 765 CKSQYB332K50
C 766 CKSQYB332K50
C 767 CCSQCH101J50
C 768 CCSQCH101J50
C 769 CEJANP2R2M50
C 770 CEJANP2R2M50
C 771 CKSQYB333K50
C 772 CKSQYB333K50
C 773 CEAT100M50
C 774 CEAT100M50
C 775 CEJANP2R2M50
C 776 CEJANP2R2M50
C 777 CEJANP2R2M50
C 778 CEJANP2R2M50
C 779 CKSQYB103K50
C 780 CEAT100M50
C 781 CKSQYB104K50
C 782 CEAT100M50
C 783 CEAT100M50
C 784 CKSQYB104K50
C 785 CEAT101M16
C 786 CEAT2R2M50
C 851 CEAT100M50
C 852 CEAT100M50
C 853 CKSQYB104K50
C 854 CKSQYB104K50
C 901 CEAT331M10
C 902 CASA680K10
C 903 CEAT101M10
C 904 CEAT470M10
C 905 CEAT1R0M50
C 906 CEAT102M16
C 907 CKSQYB224K16
C 912 CEAT2R2M50
C 913 CSZA220M16
C 914 CKSQYB473K50
C 916 CKSQYB473K50
C 917 CEAT330M10
C 918 CEAT470M10
Unit Number : UWM6917(SCU-2556ZRN)
Unit Name : Tuner Amp Unit
MISCELLANEOUS
IC 201 IC NJM4558MD
IC 202 IC NJM4558MD
IC 251 IC NJM4558MD
IC 252 IC NJM4558MD
IC 403 IC NJM4558MD
IC 404 IC NJM4558MD
IC 501 IC LC72146M
IC 502 HIC Module CWV1065
IC 551 IC PAL005A
IC 701 IC PE5157A
IC 751 IC PMJ002A
IC 901 IC PA2024A
IC 902 IC PAJ001A
Q 201 Transistor 2SC2712
Q 202 Transistor 2SC2712
Q 203 Transistor 2SC2712
Q 204 Transistor 2SC2712
Q 205 Transistor 2SC2712
Q 206 Transistor 2SC2712
Q 251 Transistor 2SC2712
Q 252 Transistor 2SC2712
Q 253 Transistor 2SC2712
Q 254 Transistor 2SC2712
Q 255 Transistor 2SC2712
Q 256 Transistor 2SC2712
Q 401 Transistor DTC143TK
Q 402 Transistor DTC143TK
Q 403 Transistor DTC143TK
Q 404 Transistor DTC143TK
Q 405 Transistor DTC343TK
Q 406 Transistor DTC343TK
Q 407 Transistor DTC343TK
Q 408 Transistor DTC343TK
Q 409 Transistor DTA114EK
Q 410 Transistor DTA114EK
Q 411 Transistor DTC343TK
Q 412 Transistor DTC343TK
Q 501 Transistor 2SK208
Q 502 Transistor 2SC2712
Q 503 Transistor 2SK208
Q 504 Transistor 2SC2712
Q 505 Transistor DTC124EK
Q 506 Transistor DTC124EK
Q 507 Transistor 2SC2712
Q 508 Transistor 2SC2712
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
A
Page 30
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SCU-2456ZRN,2556ZRN
Q 551 Transistor DTC343TK
Q 552 Transistor DTC343TK
Q 553 Transistor DTC343TK
Q 554 Transistor DTC343TK
Q 555 Transistor DTC124EK
Q 701 Transistor DTA114EK
Q 702 Transistor DTA114EK
Q 703 Transistor DTA114EK
Q 704 Transistor DTA114EK
Q 705 Transistor DTA114EK
Q 706 Transistor DTA114EK
Q 851 Transistor DTC143TK
Q 852 Transistor DTC143TK
Q 853 Transistor DTC143TK
Q 854 Transistor DTC143TK
Q 855 Transistor DTA114EK
Q 904 Transistor 2SC2712
Q 905 Transistor DTC114TK
Q 906 Transistor 2SA1358
Q 908 Transistor 2SC2712
D 401 Chip Diode MA151WA
D 402 Diode MA3043(M)
D 403 Chip Diode MA151WA
D 404 Chip Diode MA151WK
D 501 Diode MA3027(H)
D 502 Diode MA3027(H)
D 503 Chip Diode MA151WK
D 504 Diode MA3047(M)
D 551 Chip Diode MA151WA
D 552 Chip Diode MA151WA
D 553 Diode ERC05-10B
D 554 Diode ERA15-02VH
D 555 Diode ERA15-02VH
D 556 Diode ERA15-02VH
D 651 Diode MA153
D 652 Diode MA153
D 653 Diode MA153
D 654 Diode MA153
D 655 Diode MA153
D 656 Diode MA153
D 657 Diode MA153
D 658 Diode MA153
D 659 Diode MA153
D 660 Diode MA153
D 661 Diode MA153
D 662 Diode MA153
D 663 Diode MA153
D 701 Diode 1SS133
D 702 Diode MA153
D 703 Chip Diode MA151WK
D 704 Chip Diode MA151WK
D 705 Chip Diode MA151WK
D 851 Chip Diode MA151WA
D 901 Diode ERA15-02VH
D 907 Diode 1SS133
L 501 Inductor LAU100K
L 502 Ferri-Inductor LAU4R7K
L 503 Ferri-Inductor LAU4R7K
L 504 Ferri-Inductor LAU4R7K
L 505 Ferri-Inductor LAU2R2K
L 551 Choke Coil 0.3mH CTH1075
L 701 Ferri-Inductor LAU2R2K
L 702 Ferri-Inductor LAU2R2K
X 501 Crystal Resonator 4.5MHz CSS1011
X 701 Ceramic Resonator 4.190MHz CSS1361
VR 501 Semi-fixed 2.2kΩ(B) CCP1202
AR 501 DSP-201M
Fuse 10A CEK1136
RESISTORS
R 201 RS1/10S473J
R 202 RS1/10S473J
R 203 RS1/10S182J
R 204 RS1/10S182J
R 205 RS1/10S472J
R 206 RS1/10S472J
R 207 RD1/4PU472J
R 208 RD1/4PU472J
R 209 RS1/10S123J
R 210 RS1/10S123J
R 213 RS1/10S683J
R 214 RS1/10S683J
R 215 RS1/10S122J
R 216 RS1/10S122J
R 217 RS1/10S332J
R 218 RS1/10S332J
R 221 RS1/10S103J
R 222 RS1/10S103J
R 223 RS1/10S683J
R 224 RS1/10S683J
R 225 RS1/10S122J
R 226 RS1/10S122J
R 227 RS1/10S332J
R 228 RS1/10S332J
R 231 RS1/10S332J
R 232 RS1/10S332J
R 233 RS1/10S683J
R 234 RS1/10S683J
R 235 RS1/10S122J
R 236 RS1/10S122J
R 237 RS1/10S332J
R 238 RS1/10S332J
R 239 RS1/10S472J
R 240 RS1/10S472J
R 243 RD1/4PU222J
R 244 RD1/4PU222J
R 245 RD1/4PU0R0J
R 246 RD1/4PU0R0J
R 251 RS1/10S473J
R 252 RS1/10S473J
R 253 RS1/10S122J
R 254 RS1/10S122J
R 255 RS1/10S472J
R 256 RS1/10S472J
R 257 RD1/4PU472J
R 258 RD1/4PU472J
R 259 RS1/10S821J
R 260 RS1/10S821J
R 263 RS1/10S683J
R 264 RS1/10S683J
R 265 RS1/10S122J
R 266 RS1/10S122J
R 267 RS1/10S332J
R 268 RS1/10S332J
R 269 RS1/10S101J
R 270 RS1/10S101J
R 273 RS1/10S683J
R 274 RS1/10S683J
R 275 RS1/10S122J
R 276 RS1/10S122J
R 277 RS1/10S332J
R 278 RS1/10S332J
R 279 RS1/10S152J
R 280 RS1/10S152J
R 283 RS1/10S683J
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
Page 31
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SCU-2456ZRN,2556ZRN
R 284 RS1/10S683J
R 285 RS1/10S122J
R 286 RS1/10S122J
R 287 RS1/10S332J
R 288 RS1/10S332J
R 289 RS1/10S472J
R 290 RS1/10S472J
R 291 RS1/10S683J
R 292 RS1/10S683J
R 401 RS1/10S822J
R 402 RS1/10S822J
R 403 RS1/10S102J
R 404 RS1/10S102J
R 405 RS1/10S102J
R 406 RS1/10S102J
R 407 RS1/10S473J
R 408 RS1/10S473J
R 409 RS1/10S152J
R 410 RS1/10S152J
R 411 RS1/10S682J
R 412 RS1/10S682J
R 421 RS1/10S122J
R 422 RS1/10S122J
R 423 RS1/10S223J
R 424 RS1/10S223J
R 425 RS1/10S223J
R 426 RS1/10S223J
R 435 RS1/10S223J
R 436 RS1/10S223J
R 437 RD1/4PU273J
R 438 RD1/4PU273J
R 439 RS1/10S223J
R 440 RS1/10S223J
R 441 RS1/10S273J
R 442 RS1/10S273J
R 443 RS1/10S223J
R 444 RS1/10S473J
R 445 RS1/10S473J
R 446 RS1/10S182J
R 447 RS1/10S152J
R 448 RS1/10S223J
R 449 RS1/10S223J
R 450 RS1/10S223J
R 451 RS1/10S273J
R 452 RD1/4PU151J
R 453 RS1/10S104J
R 454 RD1/4PU151J
R 455 RD1/4PU151J
R 501 RS1/10S222J
R 502 RS1/10S222J
R 503 RS1/10S102J
R 504 RS1/10S152J
R 505 RS1/10S472J
R 506 RS1/10S103J
R 507 RS1/10S102J
R 508 RS1/10S102J
R 509 RS1/10S102J
R 510 RS1/10S102J
R 511 RS1/10S102J
R 512 RS1/10S102J
R 513 RS1/10S222J
R 514 RS1/10S222J
R 515 RS1/10S473J
R 516 RS1/10S103J
R 517 RS1/10S102J
R 518 RS1/10S393J
R 519 RS1/10S102J
R 521 RS1/10S563J
R 522 RS1/10S102J
R 523 RD1/4PU151J
R 524 RS1/10S0R0J
R 525 RS1/10S0R0J
R 540 RS1/10S103J
R 542 RS1/10S0R0J
R 551 RD1/4PU222J
R 552 RD1/4PU222J
R 553 RD1/4PU222J
R 554 RD1/4PU222J
R 555 RD1/4PU562J
R 556 RD1/4PU562J
R 557 RD1/4PU0R0J
R 558 RD1/4PU0R0J
R 559 RS1/10S104J
R 560 RS1/10S104J
R 563 RS1/10S391J
R 564 RS1/10S273J
R 565 RS1/10S103J
R 566 RS1/10S103J
R 567 RS1/10S103J
R 568 RS1/10S331J
R 569 RA4C223J
R 570 RD1/4PU102J
R 571 RD1/4PU103J
R 601 RA4C102J
R 602 RS1/10S473J
R 603 RS1/10S473J
R 604 RS1/10S473J
R 605 RS1/10S473J
R 606 RS1/10S223J
R 607 RS1/10S473J
R 608 RS1/10S473J
R 609 RS1/10S471J
R 610 RS1/10S473J
R 611 RS1/10S473J
R 612 RS1/10S473J
R 651 RS1/10S471J
R 652 RS1/10S471J
R 653 RS1/10S471J
R 654 RS1/10S471J
R 655 RS1/10S471J
R 656 RS1/10S471J
R 657 RS1/10S471J
R 658 RS1/10S103J
R 659 RS1/10S682J
R 660 RS1/10S682J
R 661 RS1/10S103J
R 662 RS1/10S103J
R 663 RS1/10S103J
R 664 RS1/10S473J
R 665 RS1/10S221J
R 666 RS1/10S221J
R 667 RS1/10S221J
R 668 RS1/10S221J
R 669 RS1/10S221J
R 670 RS1/10S221J
R 671 RS1/10S221J
R 672 RS1/10S471J
R 673 RS1/10S471J
R 674 RS1/10S471J
R 675 RS1/10S471J
R 676 RS1/10S471J
R 677 RS1/10S471J
R 678 RA4C473J
R 680 RS1/10S0R0J
R 683 RS1/10S0R0J
R 684 RS1/10S0R0J
R 685 RS1/10S2R2J
R 686 RS1/10S2R2J
R 687 RS1/10S2R2J
R 701 RS1/10S102J
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
Page 32
32
SCU-2456ZRN,2556ZRN
R 702 RS1/10S102J
R 704 RS1/10S473J
R 705 RS1/10S471J
R 706 RS1/10S0R0J
R 707 RS1/10S471J
R 708 RS1/10S471J
R 709 RS1/10S471J
R 710 RA4C471J
R 713 RA4C471J
R 716 RA4C0R0J
R 717 RS1/10S102J
R 718 RS1/10S105J
R 719 RS1/10S471J
R 720 RS1/10S823J
R 721 RS1/10S0R0J
R 722 RS1/10S471J
R 723 RS1/10S471J
R 724 RS1/10S473J
R 725 RS1/10S471J
R 726 RS1/10S471J
R 727 RS1/10S0R0J
R 728 RS1/10S0R0J
R 729 RS1/10S223J
R 730 RS1/10S473J
R 731 RD1/4PU101J
R 732 RS1/10S472J
R 733 RS1/10S473J
R 734 RS1/10S102J
R 735 RS1/10S102J
R 751 RS1/10S681J
R 752 RS1/10S681J
R 753 RS1/10S273J
R 754 RS1/10S273J
R 755 RS1/10S101J
R 756 RS1/10S101J
R 757 RS1/10S152J
R 758 RS1/10S123J
R 759 RS1/10S153J
R 760 RA4C472J
R 761 RS1/10S102J
R 851 RS1/10S393J
R 852 RS1/10S393J
R 853 RS1/10S272J
R 854 RS1/10S272J
R 855 RS1/10S332J
R 856 RS1/10S332J
R 857 RS1/10S220J
R 901 RS1/10S154J
R 902 RS1/10S623J
R 903 RS1/10S124J
R 904 RS1/10S513J
R 905 RS1/10S154J
R 906 RS1/10S563J
R 907 RS1/10S124J
R 908 RS1/10S683J
R 909 RS1/10S102J
R 914 RS1/10S153J
R 915 RS1/10S152J
R 916 RS1/10S223J
R 917 RS1/10S472J
R 920 RS1/10S272J
R 921 RS1/10S122J
R 922 RS1/10S103J
R 923 RS1/10S473J
R 924 RS1/10S473J
R 925 RS1/10S473J
R 927 RS1/10S473J
CAPACITORS
C 201 CKSQYB821K50
C 202 CKSQYB821K50
C 203 CKSQYB274K16
C 204 CKSQYB274K16
C 205 CKSQYB183K50
C 206 CKSQYB183K50
C 207 CKSQYB154K16
C 208 CKSQYB154K16
C 209 CKSQYB154K16
C 210 CKSQYB154K16
C 211 CKSQYB272K50
C 212 CKSQYB272K50
C 213 CKSQYB392K50
C 214 CKSQYB392K50
C 215 CKSQYB821K50
C 216 CKSQYB821K50
C 251 CKSQYB821K50
C 252 CKSQYB821K50
C 253 CKSQYB474K16
C 254 CKSQYB474K16
C 255 CKSQYB333K50
C 256 CKSQYB333K50
C 257 CKSQYB154K16
C 258 CKSQYB154K16
C 259 CKSQYB333K50
C 260 CKSQYB333K50
C 261 CKSQYB822K50
C 262 CKSQYB822K50
C 263 CKSQYB103K50
C 264 CKSQYB103K50
C 265 CKSQYB821K50
C 266 CKSQYB821K50
C 401 CKSQYB223K50
C 402 CKSQYB223K50
C 403 CKSQYB153K50
C 404 CKSQYB153K50
C 405 CEAT2R2M50
C 406 CEAT2R2M50
C 427 CEAT100M50
C 428 CEAT100M50
C 429 CCSQCH101J50
C 430 CCSQCH101J50
C 431 CEAT1R0M50
C 432 CCSQCH560J50
C 433 CEAT1R0M50
C 434 CEAT221M6R3
C 435 CKSQYB103K50
C 501 4.7µF/16V CCH1250
C 502 CKSQYB103K50
C 503 CFTNA474J50
C 504 CKSQYB103K50
C 505 CCSQCH120J50
C 506 CCSQCH120J50
C 508 CKSQYB223K50
C 509 CKSQYB223K50
C 511 CEATR47M50
C 512 CKSQYB103K50
C 513 CEAT100M50
C 514 CKSQYB104K50
C 515 CCSQCH101J50
C 516 CCSQCH101J50
C 518 CKSQYB473K50
C 519 CKSQYB103K50
C 521 CKSQYB104K50
C 522 CKSYB105K16
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
Page 33
33
SCU-2456ZRN,2556ZRN
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
=====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ -------------------------
C 525 CKLSR473K16
C 526 CKSQYB104K50
C 527 CKSQYB223K50
C 528 CKSQYB223K50
C 533 CCSQCH101J50
C 534 CEAT100M50
C 535 CKSQYB104K50
C 536 CEATR22M50
C 537 CEAT101M16
C 538 CKSQYB103K50
C 539 CKSQYB472K50
C 551 CEAT1R0M50
C 552 CEAT1R0M50
C 553 CEAT1R0M50
C 554 CEAT1R0M50
C 555 CFTNA224J50
C 556 CFTNA224J50
C 557 CFTNA224J50
C 558 CFTNA224J50
C 559 CKSQYB222K50
C 560 CFTNA105J50
C 561 CEAT100M50
C 562 CEAT1R0M50
C 563 CEAT2R2M50
C 564 CKSQYB104K50
C 565 CEAT472M16
C 567 CKSQYB473K50
C 568 CKSQYB473K50
C 681 CKSQYB104K50
C 682 CKSQYB104K50
C 701 CKSQYB473K50
C 702 CKSQYB473K50
C 703 CEAT100M50
C 704 CKSQYB102K50
C 705 CKSQYB473K50
C 706 CKSQYB473K50
C 707 CEAT4R7M50
C 751 CEJA1R0M50
C 752 CEJA1R0M50
C 753 CKSQYB272K50
C 754 CKSQYB272K50
C 755 CEAT100M50
C 756 CEAT100M50
C 757 CKSQYB152K50
C 758 CKSQYB152K50
C 759 CKSQYB183K50
C 760 CKSQYB183K50
C 761 CCSQCH221J50
C 762 CCSQCH221J50
C 763 CKSQYB224K16
C 764 CKSQYB224K16
C 765 CKSQYB332K50
C 766 CKSQYB332K50
C 767 CCSQCH101J50
C 768 CCSQCH101J50
C 769 CEJANP2R2M50
C 770 CEJANP2R2M50
C 771 CKSQYB333K50
C 772 CKSQYB333K50
C 773 CEAT100M50
C 774 CEAT100M50
C 775 CEJANP2R2M50
C 776 CEJANP2R2M50
C 777 CEJANP2R2M50
C 778 CEJANP2R2M50
C 779 CKSQYB103K50
C 780 CEAT100M50
C 781 CKSQYB104K50
C 782 CEAT100M50
C 783 CEAT100M50
C 784 CKSQYB104K50
C 785 CEAT101M16
C 786 CEAT2R2M50
C 851 CEAT100M50
C 852 CEAT100M50
C 853 CKSQYB104K50
C 854 CKSQYB104K50
C 901 CEAT331M10
C 902 CASA680K10
C 903 CEAT101M10
C 904 CEAT470M10
C 905 CEAT1R0M50
C 906 CEAT102M16
C 907 CKSQYB224K16
C 912 CEAT2R2M50
C 913 CSZA220M16
C 914 CKSQYB473K50
C 916 CKSQYB473K50
C 917 CEAT330M10
C 918 CEAT470M10
Page 34
34
SCU-2456ZRN,2556ZRN
6. ADJUSTMENT
- Connection Diagram
4Ω
4Ω
DC Regulated
Power Supply
+14.4V
GND
mV Meter (1)
Oscilloscope
Distortion
Meter
BU
FR+
FL+
ACC
FR-
FL-
50
Ω(75Ω )
FM SSG
Stereo
Modulator
50
Ω (37.5Ω )
Antenna Plug
Dummy Antenna
Antenna
Jack
VR501
DC V
Meter(2)
FMSL3
FM/AM TUNER UNIT
TUNER AMP UNIT
FM/AM TUNER UNIT (TOP VIEW)
T31
T51
C63
T51
Center
Meter
FM/AM TUNER UNIT (BOTTOM VIEW)
Pin1
Pin13
Pin14
Pin 19
Pin26
L2
L4
L5
VR154
TC1
DC V
Meter(1)
Page 35
35
SCU-2456ZRN,2556ZRN
FM ADJUSTMENT
Modulation M:MONO MOD., 400Hz 30%(22.5kHz Dev.) or 400Hz 100%(75kHz Dev.)
S:STEREO MOD., 1kHz, L or R=30%(20.25kHz+7.5kHz Dev.)
NOTE:Before proceeding to further adjustments after switching power ON, let the tuner run for ten minutes to allow
the circuits to stabilize.
FM SSG Displayed Adjustment Adjustment Method
No. Frequency(MHz) Level(dBf)
Frequency(MHz) Point (Switch Position)
TUN Volt 1 ••••• ••••• 108.0 L5 DC V Meter(1) : 6V
IF 2 98.1 M 60
—100 98.1 T51 Center Meter : 0
ANT Coil 3 98.1 M 5 98.1 L2 mV Meter(1) : Maximum
RF Coil 4 98.1 M 5 98.1 L4 mV Meter(1) : Maximum
RF 5 129.3 M 60—80 107.9 TC1 mV Meter(1) : Minimum
Trimmer
6 RF Coil and RF Trimmer shall be adjusted twice or more
IFT 7 98.1 M 5 98.1 T31 mV Meter(1) : Maximum
(STEREO MODE)
ARC 8 98.1 S 40 98.1 VR154 mV Meter(1) : Separation 5dB
(STEREO MODE)
FMSL ADJUSTMENT
Modulation MONO MOD., 400Hz 100%(75kHz Dev.)
FM SSG Displayed Adjustment Adjustment Method
No.
Frequency(MHz) Level(dBf)
Frequency(MHz) Point (Switch Position)
FMSL 1 98.1 M 25 98.1 VR501 DC V Meter(2) : 1.25V±0.05V
Page 36
36
SCU-2456ZRN,2556ZRN
7. GENERAL INFORMATION
7.1 CONNECTOR FUNCTION DESCRIPTION
3
3P
1
2
1
2
3
LEFT CHANNEL
RIGHT CHANNEL
COMMON
HEADPHONE TRANSMITTER
BRXEN(Bus reception enable)
BSCK(Bus synchronisation clock)
BINH(Bus inhibit)
BDATA
BSET(Bus set)
8
6
7
4
5
1
2
3
GND
GND
GND
DISPLAY
7
3
5
2
4
1
6
8
8P
13
12 11 10
1234
5678
9
E
13P
BSCK(Bus synchronisation clock)
BSRQ(Bus service request)
BRST(Bus reset)
BRXEN(Bus reception enable)
BDATA
1
2
3
4
5
6
7
8
9
10
11
12
13
AUDIO L-
AUDIO L+
AUDIO R-
AUDIO R+
AUDIO Lch SHIELD
MUTE TO HEAD UNIT
GND
E
SHIELD GND
AUDIO Rch SHIELD
CASSETTE PLAYER
13P
13
12
11
10
9
876
5
4
3
2
1
6
5
11
10
1
2
7
3
4
8
9
12
13
BDATA
BRXEN (Bus reception enable)
BRST(Bus reset)
BSRQ (Bus service request)
BSCK(Bus synchronisation clock)
AUDIO L-
AUDIO L+
AUDIO R-
AUDIO R+
AUDIO Lch SHIELD
AUDIO Rch SHIELD
NC
GND
M-CD PLAYER
ANTENNA
3
3P
1
2
1
2
3
LEFT CHANNEL
RIGHT CHANNEL
COMMON
HEADPHONE TRANSMITTER
AUX
AUX (SCU-2556ZRN)
Page 37
37
SCU-2456ZRN,2556ZRN
10
ANT
CD
TAPE
IR REC
DISPL
10A
A
B
C
1234567
8
123457
8
123457
86
6
9
10
26P
A1
A2
A3
A4
A5
A6
A7
A8
B1
B2
B3
B4
B5
B6
B7
B8
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
TEL MUTE
+BACKUP
+ACC
GND
RR+
RRFR+
FRFL+
FLRL+
RL-
GND
L0
IN2
L1
IN0
L5
IN1
NC
NC
NC
NC
NC
NC
NC
1
2
3
4
5
6
7
+8.5V
17
RIGHT OUT
LEFT OUT
RIGHT IN
LEFT IN
GND
COMMON
TRANSMITTER INTERFACE
Page 38
38
SCU-2456ZRN,2556ZRN
7.2 IC
- Pin Functions(PE5157A)
Pin No. Pin Name I/O Format Function and Operation
1 avpow O C A Vref watching terminal
2 PEE O C Beep tone output
3 brxen I/O C Communication reception enable input/output
4 binh O C Communication data input inhibit
5A/b I Model select
6 auxmute O C AUX mute
7 MUTE O C Synthesis mute output
8 BSET O C BUS communication reset output
9 VSS GND
10 NC Not used
11 ACCMUTE O C ACC ON mute
12 NC Not used
13 brst O C Reset output
14 AMPMUTE O C Amp Mute output
15 SYSPW O C System power supply control output
16 PCE O C Chip enable output for PLL IC
17 am/FM O C AM/FM select output
18 bsrq I Communication request input
19 RDSSEL O C Select output for RDS IC
20 rdsrst O C Reset output for RDS IC
21 rdsen O C Enable output for RDS IC
22,23 kdt),! I Key data 0,1
24 VSS GND
25 kdt@ I Key data 2
26 NC Connect to GND
27-29 kst)-@ O C Key strobe 0-2
30 NC Not used
31 VDT O C Data output for electronic volume
32 VST O C Strobe pulse output for electronic volume
33 VCK O C Clock output for electronic volume
34 tmute O C Tuner mute output
35 RESET I Reset input
36 REMIN I Remote control pulse input
37 bsens I Back up power sense input
38 asens I ACC power sense input
39 *vsens I 8V sense input
40 VDD Power supply
41 X2 Crystal oscillator connection pin
42 X1 Crystal oscillator connection pin
43 IC Connect to GND
44 XT2 Not used
45 XT1 Connect to GND
46 AVSS I A/D GND
47 SL I Tuner SD level detector input
48 K7MUTE O Mute control output for cassette
49 CDMUTE O Mute control output for CD
50 PDI I Data input from PLL IC
51 RDSRDY I Ready input from RDS IC
52 SD I SD input
53 testin I Test program mode input
54 TELMUT I Telephone mute signal input
55 AVDD Positive power supply terminal for analog circuit
56 AVREF I Reference voltage
57 RDSDTI I Serial data input for RDS IC
58 RDSDTO O Serial data output for RDS IC
59 rdsck I/O C Serial clock output for RDS IC
60 PDO O C Data output for PLL IC
Page 39
39
SCU-2456ZRN,2556ZRN
IC's marked by* are MOS type.
Be careful in handling them because they are very
liable to be damaged by electrostatic induction.
Output Format Meaning
C C MOS output
Pin No. Pin Name I/O Format Function and Operation
61 PCK O C Serial clock output for PLL IC
62 BSI I Communication data input
63 BSO O C Communication data output
64 bsck I/O C Communication serial clock input/output
*PE5157A
CWV1065
VDD
GND
RDSRDY
RDSSEN
RDSCK
RDSDT7
RDSDT6
RDSDT5
RDSDT4
RDSSEL
RDSRST
SCHK
RECEIVE
CORR
ERROR
DK
RLOCK
SK
FMSL
FMSD
FLCHK
SLCHK
BPFOUT
FM5V
COMP
GND
TUNSEL
33
32
48
49
17
16
64
1
Page 40
40
SCU-2456ZRN,2556ZRN
7.3 OPERATIONAL FLOW CHART
VDD=5V
pin 40
Power ON
L
L
YES
bsens
pin 37
asens
pin 38
brst←H
pin 13
Source keys
operative
Completes power-on operation.
(After that, proceed to each source operation.)
SYSPW←H
pin 15
Starts communication
with slave.
Source ON
YES
Page 41
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SCU-2456ZRN,2556ZRN
8. SPECIFICATIONS
General
Power source .......... 14.4 V DC (10.5 – 16.0 V allowable)
Grounding system ........................................ Negative type
Weight ...................................................................... 1.1 kg
Amplifier
Maximum power output (SCU-2456ZRN)................ 15 W
(SCU-2556ZRN) ................ 40 W
Rated power output (SCU-2456ZRN)........................ 10 W
(SCU-2556ZRN) ...................... 15 W
Load impedance .......................... 4 Ω (4 – 8 Ω allowable)
FM tuner
Frequency range ...................................... 87.5 – 108 MHz
Usable sensitivity .................................................... 10 dBf
(1.0 µV/75 Ω, mono, S/N: 30 dB)
40 dB quieting sensitivity ........................................ 13 dBf
(1.7 µV/75 Ω, mono)
Signal-to-noise ratio ..................................More than 50 dB
Distortion ......................................................Less than 1.5%
Stereo separation ......................................More than 20 dB
MW tuner
Frequency range ........................ 531 – 1,602 kHz (9 kHz)
Usable sensitivity .............................. 29dBµ (S/N: 20 dB)
Selectivity ................................................More than 45 dB
LW tuner
Frequency range ........................................ 153 – 281 kHz
Usable sensitivity .............................. 33dBµ (S/N: 20 dB)
Selectivity ................................................More than 45 dB
Note:
• Specifications and the design are subject to possi-
ble modification without notice due to improvements.
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