Pioneer CDX-FM1277 User manual
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 NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER CORPORATION 2000 K-ZZY. DEC. 2000 Printed in Japan
ORDER NO.
CRT2590
UNIVERSAL MULTI-CD SYSTEM
CDX-FM1277 X1N/UC
Service
Manual
CDX-FM1277 X1N/ES
CDX-FM1277/X1N/UC
-This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-938 CRT2357 C8 CD Mech. Module:Circuit Description, Mech. Description, Disassembly
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................3
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...12
4. PCB CONNECTION DIAGRAM ................................26
5. ELECTRICAL PARTS LIST ........................................34
6. ADJUSTMENT..........................................................38
7. GENERAL INFORMATION .......................................48
7.1 DIAGNOSIS ........................................................48
7.1.1 TEST MODE..............................................48
7.1.2 DISASSEMBLY .........................................52
7.1.3 CONNECTOR FUNCTION DESCRIPTION54
7.2 PARTS .................................................................55
7.2.1 IC................................................................55
7.2.2 DISPLAY....................................................57
7.3 OPERATIONAL FLOW CHART...........................58
8. OPERATIONS AND SPECIFICATIONS.....................59
CDX-FM1279 X1N/UC
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TEL 13942296513 QQ 376315150 892498299
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2
CDX-FM1277,FM1279
-CD Player Service Precautions
1. For pickup unit(CXX1285) handling, please refer
to"Disassembly"(see page 52).
During replacement, handling precautions shall be
taken to prevent an electrostatic discharge(protection
by a short pin).
2. During disassembly, be sure to turn the power off
since an internal IC might be destroyed when a con-
nector is plugged or unplugged.
3. Please checking the grating after changing the ser-
vice pickup unit(see page 41).
4. Since these screws protects the mechanism during
transport, be sure to affix it when it is transported for
repair, etc.
1. SAFETY INFORMATION
-CDX-FM1277/X1N/UC and CDX-FM1279/X1N/UC
CAUTION
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.
WARNING
This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65
A transport screw has been attached to the
set in order to protect it during transporta-
tion. After removing the transport screw,
cover the hole with the supplied seal.
Be sure to remove the transport screw
before mounting the set. The removed
transport screw should be retained in the
accessory bag for use the next time the set
is transported.
Seal
After removing the transport
screw, cover the hole with
the supplied seal.
Transport screw
Attach to the original position before
transporting the set.
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TEL 13942296513 QQ 376315150 892498299
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3
CDX-FM1277,FM1279
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26 28
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36
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2. EXPLODED VIEWS AND PARTS LIST
2.1 PACKING
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TEL 13942296513 QQ 376315150 892498299
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CDX-FM1277,FM1279
Part No.
Mark No. Description CDX-FM1277/X1N/UC CDX-FM1279/X1N/UC CDX-FM1277/X1N/ES
1 Accessory Assy CEA2767 CEA2767 CEA2768
2 Spring CBH-865 CBH-865 CBH-865
3 Cord CDE4289 CDE4289 CDE4289
4 Cord CDE5812 CDE5812 CDE5812
5 Cord CDE5814 CDE5814 CDE5814
6 Screw Assy CEA1962 CEA1962 CEA1962
7 Screw CBA1295 CBA1295 CBA1295
* 8 Polyethylene Sheet CNM5158 CNM5158 CNM5158
9 Screw HMB60P500FMC HMB60P500FMC HMB60P500FMC
10 Screw HMF40P080FZK HMF40P080FZK HMF40P080FZK
11 Nut NF60FMC NF60FMC NF60FMC
12 Screw Assy CEA1965 CEA1965 CEA1965
* 13 Polyethylene Bag CEG-127 CEG-127 CEG-127
14 Screw IMS30P050FZK IMS30P050FZK IMS30P050FZK
15 Clamper CEF1010 CEF1010 CEF1010
* 16 Polyethylene Bag CEG-158 CEG-158 CEG-158
17 Polyethylene Bag CEG1185 CEG1185 *CEG1263
18 Battery CEX1065 CEX1065 CEX1065
19 Bracket CNC8061 CNC8061 CNC8061
20 Cushion CNM3182 CNM3182 CNM3182
21 Fastener(Soft) CNM3872 CNM3872 CNM3872
22 Fastener(Rough) CNM4041 CNM4041 CNM4041
23 Panel CNS5428 CNS5428 CNS5428
* 24 Polyethylene Bag CEG1099 CEG1099 CEG1099
25 Polyethylene Bag CEG1174 CEG1174 CEG1026
26 Carton CHG4288 CHG4289 CHG4287
27 Sub Carton CHG4296 CHG4296 CHG4296
28 Contain Box CHL4288 CHL4289 CHL4287
29 Protector CHP2136 CHP2136 CHP2136
30 Protector CHP2137 CHP2137 CHP2137
31 Seal CNM5599 CNM5741 CNM5599
32-1 Installation Manual CRD3356 CRD3356 CRD3353
32-2 Owner’s Manual CRD3354 CRD3355 CRD3352
* 32-3 Warranty Card Not used CRY1070 Not used
* 32-4 Card ARY1048 Not used Not used
33 Antenna Select Assy CWM7445 CWM7445 CWM7445
34 Display Assy CXB6806 CXB6807 CXB6806
35 Remote Control Assy CXB6798 CXB6798 CXB6798
36 Magazine Assy CXB4028 CXB4028 CXB4028
37 Angle Assy CXB3589 CXB6817 CXB3589
* 38 Caution Card CRP1090 CRP1090 CRP1090
* 39 Caution Card CRP1233 CRP1233 CRP1233
40 Air Cushioned Bag CEG1055 CEG1055 CEG1055
41 Cover CEG1062 CEG1062 CEG1062
-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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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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5
CDX-FM1277,FM1279
- Owner’s Manual
Model Part No. Language
CDX-FM1277/X1N/UC CRD3354 English, French
CDX-FM1279/X1N/UC CRD3355 English, French
CDX-FM1277/X1N/ES CRD3352 English, Spanish, Portuguese(B), Arabic
- Installation Manual
Model Part No. Language
CDX-FM1277/X1N/UC CRD3356 English, French
CDX-FM1279/X1N/UC CRD3356 English, French
CDX-FM1277/X1N/ES CRD3353 English, Spanish, Portuguese(B), Arabic
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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7
CDX-FM1277,FM1279
1 Screw BMZ26P040FMC
2 Screw BMZ30P040FZK
3 Button CAC6363
4 Screw CBA1353
5 Spring CBH1862
6 Connector CDE5525
7 Connector CDE6480
8 Cord CDE5812
9 Resistor RS1/2PMF102J
10 Cap CNS1472
11 Upper Case See Contrast table(2)
12 Arm CNC8058
13 Insulator CNM6074
14 Panel CNS5218
15 Damper CNV6778
16 Antenna Select Assy CWM7445
17 Cord CDE4087
18 Antenna Cable CDH1207
19 Chassis CNA1555
20 Case CNB1764
21 Antenna Select Unit CWX2580
22 Plug(CN502) CKS1222
23 Plug(CN501) CKS2812
24 Antenna Jack(CN503) CKX1006
25 Extension Unit CWX2560
26 Screw BMZ26P060FMC
27 Jack(CN401) CKN1022
28 Plug(CN801) CKS-460
29 Connector(CN802) CKS3195
30 Connector(CN803) CKS3407
31 Connector(CN201) CKS3920
32 Holder CNC8060
33 Holder CNC8069
34 Remote Control Unit CXB6798
35 Cover CNS6439
36 Display Assy See Contrast table(2)
37 Screw BPZ20P100FZK
38 Button CAC5887
39 Cord CDE5834
40 Cover CNS5223
41 LCD(LCD901) CAW1514
42 Holder CNC8062
43 Lighting Conductor CNV5594
44 Rubber CNV5599
45 Grille Unit See Contrast table(2)
46 Grille Assy See Contrast table(2)
47 Door See Contrast table(2)
48 Door See Contrast table(2)
49 Lower Case Unit See Contrast table(2)
50 CD Mechanism Module(C8R2) CXK4965
51 Screw IMS20P030FZK
52 Screw IMS26P040FMC
53 Transistor(Q801) 2SD2396
54 IC(IC902) TSOP1840SB1
* 55 Caution Card CRP1233
(1) EXTERIOR SECTION PARTS LIST
Mark No. Description Part No. Mark No. Description Part No.
Part No.
Mark No. Symbol and Description CDX-FM1277/X1N/UC CDX-FM1279/X1N/UC CDX-FM1277/X1N/ES
11 Upper Case CNB2393 CNB2615 CNB2393
36 Display Assy CXB6806 CXB6807 CXB6806
45 Grille Unit CXB6812 CXB6813 CXB6812
46 Grille Assy CXB6832 CXB6833 CXB6832
47 Door CAT2205 CAT2203 CAT2205
48 Door CAT2206 CAT2208 CAT2206
49 Lower Case Unit CXB7008 CXB7007 CXB7008
(2) CONTRAST TABLE
CDX-FM1277/X1N/UC,CDX-FM1279/X1N/UC and CDX-FM1277/X1N/ES are constructed the same except
for the following:
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TEL 13942296513 QQ 376315150 892498299
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CDX-FM1277,FM1279
1 Connector CDE6069
2 CD Core Unit CWX2495
3 Connector(CN701) CKS1963
4 Connector(CN101) CKS2272
5 Screw BMZ20P025FMC
6 Screw(M2x2.5) CBA1037
7 Screw(M2x2.5) CBA1041
8 Screw(M2x2) CBA1176
9 Screw(M2x4) CBA1362
10 Screw(M2x1.4) CBA1387
11 Screw(M2x2.5) CBA1493
12 Screw(M2x1.6) CBA1476
13 Screw(M2x3) CBA1486
14 Washer CBF1038
15 Spring CBH2374
16 Spring CBH2172
17 Spring CBH2173
18 Spring CBH2174
19 Spring CBH2175
20 Spring CBH2177
21 Spring CBH2178
22 Spring CBH2179
23 Spring CBL1390
24 Spring CBL1393
25 Spring CBL1404
26 Short Pin CBL1239
27 Volume(VR801) CCW1024
28 Screw(M2x1.5) CBA1491
29 Shaft CLA3894
30 Arm CNC8482
31 Lever CNC7905
32 Lever CNC7906
33 Arm CNC7908
34 Arm CNC7909
35 Holder CNC7911
36 Holder CNC7912
37 Lever CNC7919
38 Stopper CNC7920
39 Frame CNC7921
40 Lever CNC7922
41 Bracket CNC7923
42 Lever CNC7924
43 Frame CNC7927
44 Frame CNC7928
45 Bracket CNC8355
46 Plate CNC8375
47 Cover CNC8434
48 Sheet CNM6009
49 Spacer CNM6428
50 Sheet CNM6296
51 PCB CNP5227
52 PCB CNP5228
53 Ball CNR1189
54 Gear CNR1531
55 Belt CNT1086
56 Gear CNV5472
57 Gear CNV5473
58 Rail CNV5920
59 Lever CNV6091
60 Gear CNV5477
61 Arm CNV5478
62 Holder CNV5480
63 Guide CNV5921
64 Guide CNV5922
65 Holder CNV5483
66 Holder CNV5484
67 Clamper CNV5485
68 Gear CNV5486
69 Gear CNV5562
70 Holder CNV5563
71 Stopper CNV5564
72 Lighting Conductor CNV5785
73 Mechanism PCB CWX2303
74 Connector(CN801) CKS1965
75 Connector(CN802) CKS3486
76 Damper Unit CXA7159
77 Chassis Unit CXB4463
78 •••••
79 Chassis Unit CXB4461
80 Arm Unit CXB2855
81 Screw Unit CXB4464
82 •••••
83 Frame Unit CXB4427
84 Magazine Holder Unit CXB4460
85 Motor Unit(M851)(SPINDLE) CXB3003
86 Motor Unit(M854)(CARRIAGE) CXB3004
87 Screw JFZ20P025FMC
88 Motor Unit(M853)(TRAY) CXB4421
89 Screw JFZ20P025FMC
90 Motor Unit(M852)(ELV) CXB3006
Mark No. Description Part No. Mark No. Description Part No.
-CD MECHANISM MODULE SECTION PARTS LIST
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TEL 13942296513 QQ 376315150 892498299
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10
CDX-FM1277,FM1279
91 Screw JFZ20P025FMC
92 Lever Unit CXB3938
93 •••••
94 Gear Unit CXB5061
95 Screw JGZ17P025FZK
96 Pickup Unit(Service) CXX1285
97 •••••
98 •••••
99 Screw IMS26P040FMC
100 Screw JFZ20P025FNI
101 Photo-transistor(Q851) PT4800
102 Spring Switch(S851,S853) CSN1051
103 LED(D851) CN504-2
104 Spring Switch(S852) CSN1052
Mark No. Description Part No.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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11
CDX-FM1277,FM1279
2.4 MAGAZINE ASSY
1 Magazine Assy CXB4028
2 Tray CNV5341
3 Label CRW1419
-MAGAZINE ASSY SECTION PARTS LIST
Mark No. Description Part No.
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TEL 13942296513 QQ 376315150 892498299
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PICKUP UNIT (SERVICE) (P8)
MECHANISM
PCB
HOLOGRAM
UNIT
FOCUS ACT.
TRACKING ACT.
FO+
LD(–)
LASER
DIODE
CARRIAGE
MOTOR
MONITOR
DIODE MD
TO+
+5V
M
SPINDLE
MOTOR M
TRY
MOTOR
HOME SW
TRPSW
DSPSW
M
Q851
D851
DSWITCH PCB
EMOTOR PCB
C
S853
4
3
7
5
11
8
9
2
1
10
17
12
27
16
15
5
15
4
3
CN801
CN802
S852
S851
14
9
98
39
AC/F/E/BD
FD/TD/SD/MD
I13/I04/I02
97
11
16
15
17
18
3
5
10
12
DISC
TRP
DSP
DISC
TRP
DSP
92
95
91
EJECT SW
MAG SW
ELV
MOTOR M
17
8
22
12
13
16
17
18
12
27
16
15
11
8
9
2
1
4
3
7
5
10
Q101
VD
PD
LIMIT xtal
XTAL
L+
LD
cs
23
21
1
75
3
24
IPIN
IPOUT
IPPW
KYDT
DPDT
FMIPSW
XIN
XOUT
13
15
48 4
2
1
2
130
22
32
31
33
SYSPW 33
DISPPW 33
KYDT
BUSP
15
CDMUTE
PREN
LOUT
BUSM
DPDT
FMIPSW
29
CDMUTE 76
PREN 88
8
5
6
20
CONT
ejsw
mag
disk
TRP
DSP
11
74
75
X202
16.93MHz
X701
10.00MHz
IC 301
BA5986FM
IC 302
LB1836M
IC 604
BA4560F
IC 603
BA4560F
VD
Q771
VDD IC 705
TC7SH32F
IC 702
LC35256FT-70U
SRAM
IC 703
HA12187FP
IP-BUS DRIVER
IC 701
PD5638A
CN701 C
19asensfm
asens
bsens
reset
ASENIN
BSENIN
ASENB
13 12
5
18 10
11
14
18
14
11
4
13
10
9
8
21
SYSPW 5
20
DISPPW 6
7
21
15
12
19 9
SVC2
11
5
6
12 7
4RESET SW
Q770
IC 704
PAJ002A
CK/DT/CS
VD
5V
POWER 10
31
5V REGULATOR
IC 202
BA05FP
1
VD
POWER
VD
10 16
225
24
ACD CORE UNIT B
VR802
Q701
VREF
adena
98
ELVREF
ELVPVO
94 93
3
VDD
EVREF
GND
EPVO
LINEAR POSITION SENSOR
VR801
4CH SERVO DRIVER
MOTOR DRIVER
SYSTEM
CONTROLLER
CN101
S801
S803 S802
RF AMP, SERVO, DSP, DAC
IC 201
UPD63711GC
12
CDX-FM1277,FM1279
1234
1234
D
C
B
A
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
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3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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8
22
12
13
16
17
18
KYDT
BUSP
15
MUTE
BUSP
BUSM
ASENB
KYDT
DPDT
FMIPSW
PREN
LOUT
BUSM
DPDT
IPSW
PRE-ENPHASIS
STEREO MODULATOR
701 CN201
19
ENIN
SENIN BSENIN
ASENIN
SVC
SENB
5
11
14
18
14
CDMUTE
11
PREN
LCH
4
13
10
9
8
21 SYSPW
YSPW 5
20 DISPPW
SPPW 6
7
21
15
12
SVC
Q201
BUP
Q301
VR302
2
14
1
13
IC 201
BU4066BCF
X301
38kHz
VR301
LIN
BAL2
BAL1
38KOSC2
38KOSC3
18
17 16 5 6
MPXOUT
IC 301
BA1404F
PLL
148
9
6
12
IC 401
BU2611FS
AMP
12 IC 302
BA4560F
X401
7.2MHz
Q401
L402
CTC1079
Q402 TP30
Q403 Q404
2
LOUT
CN401
1
BUSP1 7
LOUT
5
BUSM1
8
ASENBUS
CN803
L201
CTF1333
Q802
Q803Q805
BUP
Q801
1
VD
WER
VD
VD
VD
POWER
10 16
225
24
Q806
BUP BUP
ACC
GND
3
2
1
CN801
BUP
IP-BUS OUT
2
KYDT
3
DPDT
4
1PADD1/LCH
1
SWDACC
CN802
13
IC 801
NJM78L06A
Q804
BUP
VDD
BEXTENSION UNIT
BATT.
GND
FUSE 2A
ACC
DPDT
KYDT 9
8
SI
SO
23
KEY
MATRIX
LCD 901
CAW1514
IC 902
TSOP1840SB1
REMOTE CONTROL
SENSOR
5V REGULATOR
78 23 10
V3 VCC
IC 901
PD6294A
SWDACC
CN901
1
2
2
3
4
1
X901
4.9152MHz
X1 X0
GND
Q901
1
3
INT1
GDISPLAY ASSY
RF OUT
Q501
RY501
RELAY
1
RF IN
FANTENNA SELECT UNIT
CN501
CDRFIN
13
CDX-FM1277,1279
5678
5678
D
C
B
A
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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14
CDX-FM1277,FM1279
1234
1234
D
C
B
A
3.2 CD MECHANISM MODULE
Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL
PARTS LIST”.
680Ω(B)
10kΩ(B)
112
6
13
10
4
8
VR801 CCW1024
LINEAR POSITION SENSOR
M852
CXB3006
RF AMP,
MO
4CH S
CN801
CN802
M853
CXB4421
M851
CXB3003
M854
CXB3004
CSN1052
CSN1051
CSN1051
CN504-2 PT4800
PICKUP UNIT(SERVICE)
C
MECHANISM
PCB
SWITCH PCB
D
MOTOR PCB
E
CXX1285
CCP1337
A1/2
CD E
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com
15
CDX-FM1277,1279
5678
5678
D
C
B
A
18
7
2
5
19 20
15
17
16
12
21
3
9
11
10
AMP, SERVO, DSP, DAC
MOTOR DRIVER
4CH SERVO DRIVER
CD CORE UNIT
A
A2/2
Decimal points for resistor
and capacitor fixed values
are expressed as :
2.2 2R2
0.022 R022
←
←
The >mark found on some component parts indicates
the importance of the safety factor of the part.
Therefore, when replacing, be sure to use parts of
identical designation.
Symbol indicates a resistor.
No differentiation is made between chip resistors and
discrete resistors.
NOTE :
Symbol indicates a capacitor.
No differentiation is made between chip capacitors and
discrete capacitors.
A1/2
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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18
CDX-FM1277,FM1279
1RFI 0.5V/div. 0.5µs/div.
Normal mode: play
1CH1: RFI 1V/div.
2CH2: MIRR 5V/div.
Test mode: Tracking open
0.5ms/div. 1CH1: RFI 1V/div.
2CH2: MIRR 5V/div.
Normal mode: The defect part
passes 800µm
0.5ms/div.
3CH1: FD 0.5V/div.
4CH2: FOR 2V/div.
Test mode: No disc, Focus close
0.2s/div. 3CH1: FD 0.5V/div.
5CH2: FOK 2V/div.
Normal mode: Focus close
0.2s/div. 6CH1: FE 0.5V/div.
7CH2: XSI 2V/div.
Normal mode: Focus close
1ms/div.
REFO →
8CH1: TE 0.5V/div.
9CH2: TD 0.5V/div.
Test mode: 32 tracks jump (REV)
0.5ms/div. 8CH1: TE 0.5V/div.
9CH2: TD 0.5V/div.
Test mode: Single jump (REV)
0.5ms/div. 8CH1: TE 0.5V/div.
9CH2: TD 0.5V/div.
Test mode: 100 tracks jump (REV)
5ms/div.
6CH1: FE 0.1V/div.
3CH2: FD 0.2V/div.
Normal mode: Play
20ms/div. 3CH1: FD 0.5V/div.
0CH2: MD 1V/div.
Normal mode: Focus close (12cm)
0.5s/div. 3CH1: FD 0.5V/div.
0CH2: MD 1V/div.
Normal mode: Focus close (8cm)
0.5s/div.
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
GND →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
-Waveforms
Note:1. The encircled numbers denote measuring pointes in the circuit diagram.
2. Reference voltage
REFO:2.5V
REFO →
REFO →
REFO →
REFO →
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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19
CDX-FM1277,FM1279
8CH1: TE 0.2V/div.
9CH2: TD 0.2V/div.
Normal mode: play
8CH1: TE 0.5V/div.
!CH2: SD 0.5V/div.
TEST mode:100Tracks jump(FWD)
5ms/div. 0MD 0.5V/div. 0.1s/div.
Normal mode: Play (12cm)
0MD 1V/div. 10ms/div.
Long Search (12cm)
@EFM 1V/div. 5µs/div.
Normal mode: Play
8CH1: TE 1V/div.
#CH2: TEC 1V/div.
Test mode: Focus close
Tracking open
2ms/div.
8CH1: TE 0.5V/div.
6CH2: FE 0.5V/div.
Normal mode:
AGC after focus close
0.2s/div.
20ms/div.
%SCKO 2V/div. 1µs/div.
Normal mode: Play
^DOUT 2V/div. 10µs/div.
Normal mode: Play
&LRCK 2V/div. 20µs/div.
Normal mode: Play
*VD 5V/div. 50ms/div.
Normal mode: No disc
GND →
REFO →
REFO →
GND →
REFO →
REFO →
REFO →
REFO →REFO →
REFO →
REFO →
REFO →
REFO →
GND →
REFO →
GND →
REFO →
GND →
REFO →
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
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20
CDX-FM1277,FM1279
(CH1: R OUT 2V/div.
)CH2: L OUT 2V/div.
Normal mode: Play (1kHz 0dB)
6CH1: FE 0.2V/div.
3CH2: FD 0.5V/div.
Normal mode: During AGC
1ms/div. 8CH1: TE 0.2V/div.
9CH2: TD 0.5V/div.
Normal mode: During AGC
1CH1: RFI 1V/div.
⁄CH2: HOLD 5V/div.
Normal mode: The defect part passes
800µm(B.D)
500µs/div. 1ms/div.
0.5ms/div. 3CH1: FD 1V/div.
⁄CH2: HOLD 5V/div.
Normal mode: The defect part passes
800µm(B.D)
0.5ms/div. 9CH1: TD 0.1V/div.
⁄CH2: HOLD 5V/div.
Normal mode: The defect part passes
800µm(B.D)
0.5ms/div.
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →
REFO →REFO →
REFO →
REFO →
REFO →
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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