Pioneer FHM-8527-ZT, FHM-8527-ZT-91, FHM-8627-ZT-91, FHM-8627-ZT Service manual
PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
PIONEER ELECTRONICS (USA) 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 2002
K-ZZA. AUG. 2002 Printed in Japan
ORDER NO.
CRT2921
RECEIVER ASSY, RADIO
TOYOTA
FH-M8527ZT/ES
FH-M8527ZT ES
FH-M8527
ZT-91 ES
FH-M8627ZT ES
FH-M8627ZT-91
ES
FH-M8527ZT CS
FH-M8527ZT-91 CS
VEHICLE DESTINATION PRODUCED AFTER TOYOTA PART No. ID No. PIONEER MODEL No.
LAND CRUISER Middle Near East, August 2002 86120-60530 P7809 FH-M8527ZT/ES
General Area(L) FH-M8527ZT-91/ES
LAND CRUISER Australia, August 2002 86120-60520 P7810 FH-M8627ZT/ES
General Area(R) FH-M8627ZT-91/ES
LAND CRUISER Central/South America August 2002 86120-60540 P7815 FH-M8527ZT/CS
FH-M8527ZT-91/CS
For details, refer to "Important symbols for good services".
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[ Important symbols for good services ]
In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.
3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.
5. Lubricants, glues, and replacement parts
Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.
4. Shipping mode and shipping screws
To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.
Model No. Order No. Mech. Module Remarks
CX-977 CRT2624 S9 CD Mech. Module:Circuit Description, Mech.Description, Disassembly
CX-1011 CRT2406 3L Cassette Mech. Module:Mech.Description, Disassembly
- This service manual should be used together with the following manual(s):
- Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation.
"Dolby" and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
-
CD section precaution
1. Before disassembling the unit, be sure to turn off the
power. Unplugging and plugging the connectors dur-
ing power-on mode may damage the ICs inside the
unit.
2. To protect the pickup unit from electrostatic dis-
charge during servicing, take an appropriate treat-
ment (shorting-solder, shorting pin, shorting switch)
by referring to “the DISASSEMBLY” on page 68.
3. After replacing the pickup unit, be sure to check the
grating. (See p.58.)
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.
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CONTENTS
SAFETY INFORMATION ............................................2
1. SPECIFICATIONS........................................................4
2. EXPLODED VIEWS AND PARTS LIST.......................6
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...14
4. PCB CONNECTION DIAGRAM ................................30
5. ELECTRICAL PARTS LIST ........................................40
6. ADJUSTMENT..........................................................52
7. GENERAL INFORMATION .......................................68
7.1 DIAGNOSIS ........................................................68
7.1.1 DISASSEMBLY .........................................68
7.1.2 CONNECTOR FUNCTION DESCRIPTION .......72
7.2 PARTS .................................................................73
7.2.1 IC................................................................73
7.2.2 DISPLAY....................................................78
7.3 EXPLANATION ...................................................79
7.3.1 SYSTEM BLOCK DIAGRAM.....................79
7.3.2 OPERATIONAL FLOW CHART .................80
7.4 CLEANING ..........................................................81
8. OPERATIONS............................................................82
- The supplementary models are identical with the original ones except for the following items.
Description Part No.
Polyethylene Bag CEG1026
Cover(x2) CEG1045
Carton CHG4861
Contain Box(x1/2) CHL4918(FH-M8527ZT-91/ES)
Contain Box(x1/2) CHL4919(FH-M8627ZT-91/ES)
Contain Box(x1/2) CHL4920(FH-M8527ZT-91/CS)
Air Cap CHW1945(Non Spare Part)
Air Cap(x2) CHW1948(Non Spare Part)
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1. SPECIFICATIONS
General
Power source. . . . . . . . 13.2V(10.5V–16.0V allowable) DC
Grounding system. . . . . . . . . . . . . . . . . . . . Negative type
Backup current . . . . . . . . . . . . . . . . . . . . . . . 0.3mA or less
Dimensions. . . . . . . . . . . . . . 228(W) x134(H) x194(D)mm
Weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.360kg
Cassette player
Tape. . . . . . . . . . . . . . . . Compact cassette tape(C30-C90)
Tape speed . . . . 4.76cm/sec.(+0.14cm/sec., -0.05cm/sec.)
Wow and flutter . . . . . . . . . . . . . . . . 0.2% or less(WRMS)
Crosstalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40dB or more
Stereo Separation . . . . . . . . . . . . . . . . . . . . 30dB or more
S/N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40dB or more
Distortion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3% or less
CD player
System . . . . . . . . . . . . . . . . . Compact disc audio system
Usable discs . . . . . . . . . . . . . . . . . . . . . . . . . Compact disc
Signal format . . . . . . . . . . Sampling frequency : 44.1kHz
Number of quantization : 16;linear
S/N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65dB or more
Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3% or less
FM tuner
Frequency range . . . . . . . . . . . . . . . . 87.5–108.0 MHz(ES)
87.9–108.0 MHz(CS)
S/N . . . . . . . . . . . . . . . . . . . . . 46dB or more(54dBµ input)
Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5% or less
IF interference . . . . . . . . . . . . . . . . . . . . . . . 64dB or more
Image interference. . . . . . . . . . . . . . . . . . . . 35dB or more
Stereo Separation . . . . . . . . . . . . . . . 25dB or more(1kHz)
AM tuner
Frequency range . . . . . . . . . . . . . . . . . 531–1,602 kHz(ES)
530–1,620 kHz(CS)
S/N 20dB usable sensibility . . . . . . . . . . . 34dBµV or less
S/N . . . . . . . . . . . . . . 45dB or more(FH-M8527ZT/ES, CS)
42dB or more(FH-M8627ZT/ES)
Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5% or less
IF interference . . . . . . . . . . . . . . . . . . . . . . . 40dB or more
Image interference . 40dB or more(FH-M8527ZT/ES, CS)
45dB or more(FH-M8627ZT/ES)
SW1 tuner(FH-M8527ZT/ES)
Frequency range . . . . . . . . . . . . . . . . . . . 2,940–3,575 kHz
3,580–4,215 kHz
4,540–5,175 kHz
5,820–6,455 kHz
7,100–7,735 kHz
S/N 20dB usable sensibility . . . . . . . . . . . 36dBµV or less
S/N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42dB or more
Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5% or less
IF interference . . . . . . . . . . . . . . . . . . . . . . . 40dB or more
Image interference. . . . . . . . . . . . . . . . . . . . 27dB or more
SW2 tuner(FH-M8527ZT/ES)
Frequency range . . . . . . . . . . . . . . . . . . 9,500–10,135 kHz
11,580–12,215 kHz
15,100–15,735 kHz
17,500–18,135 kHz
21,340–21,975 kHz
S/N 20dB usable sensibility . . . . . . . . . . . 36dBµV or less
S/N . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42dB or more
Distortion. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5% or less
IF interference . . . . . . . . . . . . . . . . . . . . . . . 25dB or more
Image interference. . . . . . . . . . . . . . . . . . . . 25dB or more
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2. EXPLODED VIEWS AND PARTS LIST
2.1 EXTERIOR(FH-M8527ZT/ES, CS)
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1 Screw BSZ26P060FMC
2 Screw BSZ26P140FMC
3 Screw BSZ30P080FMC
4 Connector CDE7248
5 Connector CDE6732
6
CD Mechanism Module(S9T) CXK5521
7 Chassis CNA2466
8 Case CNB2721
9 Frame CNC9638
10 Heat Sink CNR1644
11 Main Unit
See Contrast table(2)
12 Screw ASZ26P080FMC
13 Screw BMZ30P040FMC
14 Screw BPZ30P060FSN
15 Connector(CN471) CKM1222
16 Connector(CN473) CKM1350
17 Connector(CN472) CKM1351
18 Connector(CN631) CKS3568
19 Connector(CN601) CKS3835
20 Connector(CN681) CKS4361
21 Connector(CN501) CKX1064
22 Holder CNC9591
23 Holder CNC9592
24 Holder CND1080
25 FM/AM Tuner Unit
See Contrast table(2)
26 Holder CNC8855
27 Terminal(CN474) VNF1084
28 Terminal(CN475) VNF1084
29 Screw BPZ20P080FMC
30 Button(CD EJECT) CAC7203
31 Button(1-2) CAC7205
32 Button(3-4) CAC7206
33 Button(5-6) CAC7207
34 Button(SEEK, TRACK) CAC7211
35 Button(AM) CAC7213
36 Button(FM) CAC7214
37 Button(TAPE) CAC7215
38 Button(DISC) CAC7216
39 Button(MUTE) CAC7328
40 Button(SCAN, TEXT) CAC7329
41 Button(FF, REW) CAC7331
42 Lighting Conductor CNV6895
43 Holder CNV6898
44 Holder CNV6899
45 Holder CNV6956
46 Keyboard Unit CWS1346
47 LCD(LCD901) CAW1700
48 Connector(CN901) CKS4361
49 Holder CNC9700
50 Sheet CNM7733
51 Seal CNM7771
52 Rubber CNV6892
53 Lighting Conductor CNV6894
54 Connector CNV7498
55 Knob Unit CXB8028
56 Grille Unit
See Contrast table(2)
57 Screw BPZ20P060FZK
58 Door
See Contrast table(2)
59 Spring CBH2663
60 Button Assy(TAPE EJECT)CXB8832
61 Button Assy(DIRECTION) CXB8837
62 Chassis Unit CXB8161
63 Shield Unit CXB9781
64
Cassette Mechanism ModuleEXK4295
65 Screw ISS26P060FMC
66 IC(IC801) TDA7386
67
Transistor(Q404, 407, 431) 2SB1185
* 68 Holder Unit CXB8768
Mark No. Description Part No. Mark No. Description Part No.
(1) EXTERIOR(FH-M8527ZT/ES, CS) 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.
- For the applying amount of lubricants or glue, follow the instructions in this manual.
( In the case of no amount instructions, apply as you think it appropriate.)
(2) CONTRAST TABLE
FH-M8527ZT/ES and FH-M8527ZT/CS are constructed the same except for the following:
Part No.
Mark No. Description FH-M8527ZT/ES FH-M8527ZT/CS
11 Main Unit CWM8067 CWM8094
25 FM/AM Tuner Unit CWE1632 CWE1631
56 Grille Unit CXB8164 CXB8340
58 Door CAT2312 CAT2337
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2.2 EXTERIOR(FH-M8627ZT/ES)
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1 Screw BSZ26P060FMC
2 Screw BSZ26P140FMC
3 Screw BSZ30P080FMC
4 Connector CDE7248
5 Connector CDE6732
6
CD Mechanism Module(S9T) CXK5521
7 Chassis CNA2466
8 Case CNB2721
9 Frame CNC9638
10 Heat Sink CNR1644
11 Main Unit CWM8068
12 Screw ASZ26P080FMC
13 Screw BMZ30P040FMC
14 Screw BPZ30P060FSN
15 Connector(CN471) CKM1222
16 Connector(CN473) CKM1350
17 Connector(CN472) CKM1351
18 Connector(CN631) CKS3568
19 Connector(CN601) CKS3835
20 Connector(CN681) CKS4361
21 Connector(CN501) CKX1064
22 Holder CNC9591
23 Holder CNC9592
24 Holder CND1080
25 FM/AM Tuner Unit CWE1631
26 Holder CNC8855
27 Terminal(CN474) VNF1084
28 Terminal(CN475) VNF1084
29 Screw BPZ20P080FMC
30 Button(MUTE) CAC7332
31 Button(1-2) CAC7205
32 Button(3-4) CAC7206
33 Button(5-6) CAC7207
34 Button(FF, REW) CAC7334
35 Button(DISC) CAC7289
36 Button(TAPE) CAC7290
37 Button(FM) CAC7291
38 Button(AM) CAC7292
39 Button(CD EJECT) CAC7218
40 Button(SCAN, TEXT) CAC7329
41 Button(SEEK, TRACK) CAC7288
42 Lighting Conductor CNV6895
43 Holder CNV6898
44 Holder CNV6899
45 Holder CNV6956
46 Keyboard Unit CWS1347
47 LCD(LCD901) CAW1700
48 Connector(CN901) CKS4361
49 Holder CNC9700
50 Sheet CNM7733
51 Seal CNM7771
52 Rubber CNV6892
53 Lighting Conductor CNV6894
54 Connector CNV7498
55 Knob Unit CXB8028
56 Grille Unit CXB8165
57 Screw BPZ20P060FZK
58 Door CAT2313
59 Spring CBH2663
60 Button Assy(DIRECTION) CXB8838
61 Button Assy(TAPE EJECT)CXB8835
62 Chassis Unit CXB8161
63 Shield Unit CXB9781
64
Cassette Mechanism ModuleEXK4295
65 Screw ISS26P060FMC
66 IC(IC801) TDA7386
67
Transistor(Q404, 407, 431) 2SB1185
* 68 Holder Unit CXB8768
Mark No. Description Part No. Mark No. Description Part No.
- EXTERIOR(FH-M8627ZT/ES) SECTION PARTS LIST
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2.3 CD MECHANISM MODULE
UD321BR
GEM1035
GEM1035
C
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Mark No. Description Part No. Mark No. Description Part No.
1 Control Unit CWX2608
2 Connector(CN701) CKS1959
3 Connector(CN101) CKS3486
4 Screw BMZ20P025FMC
5 Screw BSZ20P040FMC
6 Screw(M2x4) CBA1362
7 Screw(M2x3) CBA1527
8 Screw CBA1545
9 Washer CBF1037
10 Washer CBF1038
11 Washer CBF1039
12 Washer CBF1060
13 Spring CBH2378
14 Spring CBH2379
15 Spring CBH2514
16 Spring CBH2533
17 Spring CBH2382
18 Spring CBH2383
19 Spring CBH2384
20 Spring CBH2527
21 Spring CBH2386
22 Spring CBH2537
23 Spring CBH2390
24 Spring CBH2391
25 Spring CBH2523
26 Spring CBH2426
27 Spring CBH2444
28 Spring CBL1561
29 Spring CBL1553
30 Shaft CLA3845
31 Roller CLA3910
32 Frame CNC9654
33 Lever CNC9664
34 Lever CNC8949
35 Arm CNC9661
36 Arm CNC9016
37 Arm CNC9017
38 Bracket CNC9123
39 Frame CNC8947
40 Belt CNT1086
41 Gear CNV6886
42 Gear CNV6316
43 Gear CNV6317
44 Gear CNV6318
45 Gear CNV6319
46 Gear CNV6320
47 Arm CNV6322
48 Arm CNV6323
49 Arm CNV6324
50 Arm CNV6888
51 Arm CNV6889
52 Guide CNV6327
53 Arm CNV6924
54 Guide CNV6921
55 Rack CNV6923
56 Clamper CNV6331
57 Arm CNV6332
58 Guide CNV6333
59 Cover CNV6334
60 Arm CNV6335
61 Guide CNV6336
62 Roller CNV6338
63 Damper CNV6175
64 Damper CNV6662
65 Guide CNV6925
66 Chassis Unit CXB7980
* 67 Arm Unit CXB7983
68 Arm Unit CXB7984
69 Arm Unit CXB7985
70 Motor Unit(M2) CXB8284
71 Screw Unit CXB5904
72 Gear Unit CXB8076
73 Bracket Unit CXB7982
74 Motor Unit(M1) CXB6007
75 Arm Unit CXB8504
76 Screw(M2x5) EBA1028
77 Screw JFZ20P020FMC
78 Screw JGZ17P020FZK
79 Washer YE15FUC
80 Washer YE20FUC
81 Pickup Unit(Service)(P9) CXX1482
82 Screw IMS26P030FMC
83 Guide CNV6922
84 Roller CNV6887
85 Spring CBH2509
86 Spring CBH2512
87 Spring CBH2536
88 Collar CNV6906
- CD MECHANISM MODULE SECTION PARTS LIST
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2.4 CASSETTE MECHANISM MODULE
D
E
For grease application, refer to the service manual for CX-1011 (CRT2406).
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1 Screw BSZ20P040FMC
2 Washer CBF1037
3 Washer CBG1003
4 Screw EBA1028
5 Screw CBA1037
6 Spring EBH1653
7 Spring EBH1642
8 Spring EBH1641
9 Spring EBH1626
10 Spring EBH1627
11 Spring EBH1648
12 Cord EDD1024
13 Photo-reflector(Q101) EGN1004
14 Arm ENC1526
15 Lever Unit EXA1610
16 Lever ENC1543
17 Arm ENC1532
18 Frame ENC1533
19 Holder ENC1547
20 Gear ENC1535
21 Arm ENC1550
22 Roller ENR1040
23 Belt ENT1027
24 Collar ENV1508
25 Arm ENV1539
26 Arm ENV1540
27 Gear ENV1569
28 Gear ENV1547
29 Gear ENR1044
30 Worm Wheel ENV1559
31 Lever ENV1551
32 Flywheel ENV1554
33 Gathering PCB ENX1073
34 Switch(S101,S102,S103) ESG1007
35 Deck Unit EWM1043
36 Plug(CN251) CKS3540
37 Gathering PCB ENX1076
38 Motor Unit(M1) EXA1618
39 Motor EXM1035
40 Head Assy(HD1) EXA1594
41 Arm ENC1537
42 Screw JGZ20P025FNI
43 Bracket ENC1559
44 Chassis Unit EXA1636
45 Pinch Holder Unit EXA1608
46 Pinch Roller ENV1518
47 Pinch Holder Unit EXA1607
48 Pinch Roller ENV1518
49 Reel Unit EXA1625
50 Head Base Unit EXA1611
51 Lever Unit EXA1587
52 Gear Unit EXA1596
53 Motor Unit(M2) EXA1623
54 Washer HBF-179
55 Spring EBH1537
56 Worm Gear ENV1564
57 Spring EBH1655
58 Lever ENC1548
59 Washer YE15FUC
60 Tube ENM1039
61 Spring EBH1645
62 Spring EBH1545
63 Sensor Unit EWM1041
Mark No. Description Part No. Mark No. Description Part No.
- CASSETTE MECHANISM MODULE SECTION PARTS LIST
14
RFGND
IC 3
EEPROM
FM/AM 1ST IF 10.7MHz
T51 Q51 CF51
CF52 CF53
IC1
MIXER, IF AMP, DET.
6
21
COMP
25
CF202
VDD
VCC
DI/DO
CE2CKCE1SLFMSD
IC 2 FM MPX
AMANT
FMANT
ATT
ATT
AMRF
FMRF
IMG ADJ
RF ADJ
X901
10.25MHz
ANT ADJ
LOCL
AMDET
MPXREF 41kHz
AM 2ND IF
450kHz
DGND
STIND
L ch
AMDET
AMPNS
27
26
28
FM/AM TUNER UNIT
22 10 14 12 15 16 13 211 1 9
17
SUB
ANT
MAIN
ANT
IC 501
LA1061M
6
5
2
13
FM DIVER
AM PNS
16
3
9
IC 561
HA12181FP
HPF and LPF
VCC
SWVDD
Q501
Q504
Q561
Q502
SWVDD
ACC
BU
CN701
Q101
M
LASER
DIODE
MONITOR
DIODE
CLAMP
SENSE
DISC
SENSE
FOCUS ACT.
SPINDLE
MOTOR
M
LOADING
/CARRIAGE
MOTOR
TRACKING ACT.
LDMD
FO+
TO+
HOLOGRAM
UNIT
IC 401
BA5996FM
IC 201
TC9495FP
IC 701
BA05SFP
5V REGULATOR
SERVO
CONTROL,
DSP,
LPF, DAC
ACT
/MOTOR
DRIVER
DSCSNS
VD
VD
VDD
CONT
LOEJ
L-OUT
CD5VON
CN101
TOP
FOP
16
SOP
15
SOM
17
LCOP
18
LCOM
22
1
2
LOEJ
78
85
LO
79
9
MUTE
12
FOP
TD/FD
AC,BD
F,E
SD/MD
38
RFI
43
FEI
4
14
TOP
S901
HOME
12EJ
SENSE
8EJ
SENSE
HOME
LD+
VDD
9
LDO
8
MDI
IC 101
TA2153FN
RFRPIN
FEO
TEO
24
16
14 46
TEI
RF-AMP
PICKUP UNIT
CONTROL UNIT
15
5
4
1
14
17
2
11
10
14
16
1
17
2
11
10
14
16
1
AVC-LAN
L+
3
CN473
TAPE+B
CSL
BU
stby
mtl
LOAD
CN631
L–
2
MUTE
1
ACC+B
11
BU+B
12
TX+
9
TX–
10
TX1+
2
CN472
TX1–
1
SW1
4
SW2
3
BU
AUDIO+B
IC 331
NJM4558MD
5
6
7
AVC-LAN DEF AMP
IC 781
HA12187FP
6
5
1
2
8
BUS DRIVER
L
CN601
B.U
MTL
LOAD
IC251
CXA2559Q
IC351
PA2020A
EQ AMP
MECHANISM
DRIVER
CN251
CN252
CN254
CN255
CN253
7
5
TAPE+B
Lch
18
FWD
L-ch
REV
L-ch
37
36
39
18
19
17
8710
CN256
S1
LOAD
S2
MODE
EGN1
REEL
SENSE
M
M
M2
SUB
MOTOR
M1
MAIN
MOTOR
5
2
1
S3
70µs
DECK UNIT
REEL SENSE PCB
5
1
4
2
1
3
4
11
20
19
8
3
4
11
20
19
8
315 6
135 64
LOEJ
CONT
DISCSENS
HOME
CDVD9V
CD5VON
12
VDD
FMB
RESET IC
IC782
S-80735ANDZI
SWVDD
SWVDD
VDD
Q422
MOTHER UNIT
LAN MUTE
Q701
FMPW
AMPW
AMB
FM/AM SW
Q563
Q565
Q564
A
D
E
C
stby
1
234
12
34
F
E
D
C
B
A
FH-M8527ZT/ES
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM
3.1 BLOCK DIAGRAM
15
SYSTEM CONTROLLER
IC 701
PD5737A
LIN-1
LIN-2
LIN-3
LIN-4
81
512
AOUT1
IC 351
PM2010A
DSP and E. VOL
82
84
LIN-5
FL
14 15
AOUT3
RL
85
IFDO
70
STBY4MUTE
22
SVR
10
83
ST
XOUTXIN
26
SL
97
PCE1
23
pck
2
PCE2
28
PDI
100
PDO
1
LOCL
27
SD
25
stby
85
mtl
68
CSLOAD
77
LANMUTE
55
TX
30
RX1
29
IPPW
22
STSW1
91
STSW2
95
LOEJ53CONT50DISCSENS90HOME
49
CD5VON51VDCONT
45
cdej74csej75ENC2M58ENC2P
57
ENC1M/(TAPE SEL)
56
ENC1P/(CD SEL)
54
POWER
63
Q307
13
DSPDI
36
SYSMUTE
79
15
X701
10MHz
Q801
Q805
Q804
Q803
Q802
VCC
SYSPW
MUTE
ACC SENSE
BU MUTE
WF AMP+B
41
SYSPOW
20
asen
39
FMPW
40
AMPW
Q402
ACC
BU SENSE
19
bsen
Q401
BU
ILL SENSE
18
isen
42
TELMUTE
Q403
TEL MUTE
Q806
FL+
3
CN471
FL–
12
RL+
5
RL–
10
ILL+
16
AMP+
15
T -MUTE
8
ILL–
9
5
FL+
3
FL–
17
RL+
19
RL–
IC 801
TDA7386
POWER IC
SVR_DISCHARGE
Q807
Q808
VCC
SYSPW
KEYBOARD UNIT
9
10
11
12
13
14
15
ILLBILL1
ILL2
ILL3
ILL4
ILL5
LCDBL
LCDBL
SWVDD
POWER
ENC1P/(CD SEL)
ENC1M/(TAPE SEL)
ENC2P
ENC2M
CSEJ
CDEJ
LCDBL
SW 5V
16
PWR
18
19
20
ENC1P
ENC1M
Q905
Q907
Q908
ILL LAMP x 14
ILL LED x 2
CN901
CN681
BL LAMP x 2
LDO/LDI/LCE/LCK
LCDV/LOFF
1
89
VDD
P1
LCD DRIVER
IC901
LC75804W
POWER-VOL
LCD
CAW1700
EJ
23
CDEJ
17
21
22
9
10
11
12
13
14
15
16
18
19
20
23
17
21
22
ENC2P
ENC2M
AUDIO CONTROL
S901
CSEJ
S913
CDEJ
Q453
Q454
Q455
ANT
14
ANT+B
Q451
Q452
BU
SYSPW
SYSPW
KEY
MATRIX
SWVDD
Q445
Q446
43
BL
LCDBL DRIVE
ILL+B
ILL DIMMER
CONTROL
AUDIO+B
BU
AUD8V
SYSPW
DSPVDD
Q441
Q442
AUDIO 8.4V REGULATOR
SWVDD FOR DSP
Q351
BU
VDD
VDD 5V REGULATOR
IC421
S-81256SGUP-DIM
Q421
12
reset
73
swvdd
BU
Q431
Q432
92
CD 8.3V
REGULATOR
VDSENS
+B
1
BU
ACC
2
ACC
ACC
Q410
Q409
BU
Q404
Q407
FMB
AMB
B
5
6
7
8
F
E
D
C
B
A
5
6
7
8
FH-M8527ZT/ES
16
B
CN901
C
CN701
FM/AM TUNER UNIT
CD:+4.2dBs
(1kHz 0dB 1180±100mVrms)
TAPE:-7.3dBs
-8.2dBs(ACT-150,200nWb/m)
-7.3dBs(TCC-140,250nWb/m)
AM:-12.7dBs(DET out=-12.7±2dBs)
FM: (400Hz,30%mod -30dBs)
AM:-27.0dBs
FM:-28.0dBs
CD: 0dBs
LAN: 0dBs
TAPE:-11.1dBs
AM: -9.2d
FM:-12.0d
CD: +1d
LAN: +1d
TAPE: -5.1d
1
234
12
34
F
E
D
C
B
A
FH-M8527ZT/ES
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-b
A-a
A-a
A
Large size
A-b
A-b
SCH diagram
Guide page
Detailed page
A-a A-b
A-a
A-a
17
600µH
D
CN251
A
MAIN UNIT
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.
>
2dBs
0dBs
1dBs
AM:+16.8dBs
FM:+14.0dBs
CD: +27dBs
LAN: +27dBs
TAPE:+20.9dBs
LAN:+8.23dBs
(1kHz 0dB
±1Vrms(+8.23dB)
5
6
7
8
F
E
D
C
B
A
5
6
7
8
FH-M8527ZT/ES
A-b
A
18
A-a
A-b
A-a
A-a
A-b
1
2
3
4
FM/AM TUNER UNIT
AM:-12.7dBs(DET out=-12.7±2dBs)
FM: (400Hz,30%mod -30dBs)
AM:-27.0dBs
FM:-28.0dBs
CD: 0dBs
LAN: 0dBs
TAPE:-11.1dBs
AM: -9.2dBs
FM:-12.0dBs
CD: +1dBs
LAN: +1dBs
TAPE: -5.1dBs
1
234
12
34
F
E
D
C
B
A
FH-M8527ZT/ES
19
A-a
A-b
A-a
A-a
A-b
5
6
7
B
CN901
C
CN701
D
CN251
CD:+4.2dBs
(1kHz 0dB 1180±100mVrms)
TAPE:-7.3dBs
-8.2dBs(ACT-150,200nWb/m)
-7.3dBs(TCC-140,250nWb/m)
5
6
7
8
F
E
D
C
B
A
5
6
7
8
FH-M8527ZT/ES
20
A-a
A-b
A-b
1
2
3
4
600µH
A
MAIN UNIT
>
AM:+16.8dBs
FM:+14.0dBs
CD: +27dBs
LAN: +27dBs
TAPE:+20.9dBs
LAN:+8.23dBs
(1kHz 0dB
±1Vrms(+8.23dB)
1
234
12
34
F
E
D
C
B
A
FH-M8527ZT/ES
21
A-a
A-b
A-b
5
6
7
CN251
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.
5
6
7
8
F
E
D
C
B
A
5
6
7
8
FH-M8527ZT/ES
22
B
1
5
2
6
FF(
SEEK T
UP(
REW(LH)
SEEK TRACK
DOWN(RH)
SEEK TRACK
UP(LH)
FF(RH)
SEEK TRACK
DOWN(LH)
REW(RH)
TEXTSCAN
34
FM(LH)
TAPE(RH)
AM(LH)
DISC(RH)
DISC(LH)
AM(RH)
TAPE(LH)
FM(RH)
CD EJECT(LH)
MUTE(RH)
MUTE(LH)
CD EJECT(RH)
DIRECTION(LH
TAPE EJECT(RH
TAPE EJECT(LH)
DIRECTION(RH)
LH
RH
LH
FH-M8527ZT/ES
FH-M8627ZT/ES
FH-M8527ZT/CS
5.4V
1
234
12
34
F
E
D
C
B
A
FH-M8527ZT/ES
3.3 KEYBOARD UNIT
23
B
A
CN681
B
KEYBOARD UNIT
43
2
51
43
2
51
FF(LH)
SEEK TRACK
UP(RH)
PWR•VOL(LH)
AUDIO•TUNE(RH)
AUDIO•TUNE(LH)
PWR•VOL(RH)
TEXT
4
FM(LH)
TAPE(RH)
DISC(LH)
AM(RH)
DIRECTION(LH)
TAPE EJECT(RH)
5
6
7
8
F
E
D
C
B
A
5
6
7
8
FH-M8527ZT/ES
24
C
M1 CXB6007
M2 CXB8284
LOADING/CARRIAGE
SPINDLE
RF AMP
S
ACT/MOTOR DRIVER
5V REGULATOR
CN101
91K
91K
PICKUP UNIT
(SERVICE)(P9)
C
CONTROL UNIT
1
234
12
34
F
E
D
C
B
A
FH-M8527ZT/ES
3.4 CD MECHANISM MODULE
25
C
16.934MHz
SERVO CONTROL/DSP/DAC/LPF
CN701
TC9495FP
A
CN601
SWITCHES:
CONTROL UNIT
S901 : HOME SWITCH.....ON-OFF
S902 : CLAMP SWITCH....ON-OFF
S903 : DSCSNS SWITCH....ON-OFF
S904 : 12EJ SWITCH....ON-OFF
S905 : 8EJ SWITCH....ON-OFF
The underlined indicates the switch position.
5
6
7
8
F
E
D
C
B
A
5
6
7
8
FH-M8527ZT/ES
26
1
234
12
34
F
E
D
C
B
A
FH-M8527ZT/ES
@ CH1:BCK 2V/div.
During "Play"
1 CH1:DSCSNS 5V/div.
2 CH2:CLCONT 5V/div.
3 CH3:LOEJ 5V/div.
4 CH4:VD 10V/div.
When loading (8 cm CD)
500ms/div.
5 CH1:FD 500mV/div.
6 CH2:FOK 5V/div.
7 CH3:MD 5V/div.
When setting up "Source On"
500ms/div.
8 CH1:FE 500mV/div.
9 CH2:FOON 5V/div.
When setting up "Source On"
500ms/div.
5 CH1:FD 500mV/div.
6 CH2:FOK 5V/div.
7 CH3:MD 5V/div.
Magnified drawing for "time"
100ms/div.
1 CH1:DSCSNS 5V/div.
2 CH2:CLCONT 5V/div.
3 CH3:LOEJ 5V/div.
4 CH4:VD 10V/div.
When loading (12 cm CD)
Ref. :
GND
Mode :
Normal
Ref. :
GND
Mode :
Normal
Ref. :
VREF
Mode :
Normal
Ref. :
VREF
Mode :
Normal
Ref. :
VREF
Mode :
Normal
Ref. :
VREF
Mode :
Normal
Ref. :
VREF
Mode :
Normal
Ref. :
VREF
Mode :
Normal
Ref. :
VREF
Mode :
Normal
Ref. :
VREF
Mode :
Test
Ref. :
VREF
Mode :
Normal
Ref. :
VREF
Mode :
Normal
500ms/div.
0 CH1:TE 500mV/div.
8 CH2:FE 500mV/div.
When setting up "Source On"
200ms/div.
1µs/div.
# CH1:LRCK 2V/div.
$ CH2:DOUT 2V/div.
During "Play"
10µs/div.
7 CH1:MD 500mV/div.
During "Play"
10µs/div.
% CH1:RFO 500mV/div.
During "Play"
0.5µs/div.
% CH1:RFO 500mV/div.
0 CH2:TE 500mV/div.
During "Tracking Open"
2ms/div.
8 CH1:FE 500mV/div.
5 CH2:FD 500mV/div.
0 CH3:TE 500mV/div.
! CH4:TD 500mV/div.
During "Play"
1ms/div.
- Waveforms
Note:1. The encircled numbers denote measuring pointes in the circuit diagram.
2. Reference voltage
VREF:2.1V
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