CD-ES770
SERVICE MANUAL
No. S2511CDES770/
MINI COMPONENT SYSTEM
MODEL CD-ES770
CD-ES770 Mini Component System consisting of CD-ES770
(main unit) and CP-ES770 (speaker system).
• In the interests of user-safety the set should be restored to its
original condition and only parts identical to those specified should
be used.
This Service Manual is for the CD-ES770, which is a minor-modification model of the CD-ES700. This manual, therefore, describes
only the changed points from the service manual. Please refer to the CD-ES700, service manual (No. S5428CDES700/) together
with this manual.
DIFFERENCE BETWEEN CD-ES700 AND CD-ES770
REF.
NO.
DIODES
D301, 302 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon, 1N4148H AA
D305 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon, 1N4148H AA
D690, 691 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon, 1N4148H AA
D701 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon, 1N4148H AA
D709~716 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon, 1N4148H AA
D860~863 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon,1N4148H AA
D885 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon, 1N4148H AA
D905~907 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon, 1N4148H AA
D909, 910 VHD1N4004S/-1 J VHDDS1N404S-1 J Silicon, DS1N404S AB
D911~914 VHDDS1SS133-1 J VHD1N4148H/-1 J Silicon, 1N4148H AA
CAPACITORS
C607, 608 VCFYFA1HA823J J VCFYFA1HA124J J 0.12µF, 50V, Mylar AL
C611, 612 VCKYCY1HB222K J VCKYCY1HB227K J 0.0027µF, 50V AA
C656, 657 Not Used VCKYCY1HB681K J 680pF, 50V AA
C901, 902 VCEAZA1HW475M J VCEAZA1HW105M J 1µF, 50V, Electrolytic AA
C921, 922 RC-EZ0106AWZZ J RC-EZ3016AWZZ J 4700µF, 50V, Electrolytic AG
RESISTORS
R608, 609 VRS-CY1JB222J J VRS-CY1JB152J J 1.5 kohms, 1/16W AA
R656, 657 Not Used J VRS-CY1JB183J 18 kohms, 1/16W AA
CABINET PARTS
201 CCABA5549AW01 J CCABA6296AW01 J Front Panel Ass'y
201-1 –––––– –––––– Front Panel (Not Replacement Item) ––
201-2 GCoVA1521AWSA J GCoVAA091AWSA J Cover, Cassette [Tape 1] AG
201-3 GCoVA1522AWSA J GCoVAA092AWSA J Cover, Cassette [Tape 2] AG
201-4 GDoRF0127AWSA J Same as CD-ES700 Holder, Cassette [Tape 1] AE
201-5 GDoRF0128AWSA J Same as CD-ES700 Holder, Cassette [Tape 2] AE
201-6 HDECQ1108AWSA J HDECQA167AWSA J Panel, Cassette [Tape 1] AW
MARK: SPARE PARTS-DELIVERY SECTION
PART NO.
PART NO.
CD-ES770CD-ES700
DESCRIPTION
CODE
SHARP CORPORATION
This document has been published to be used
for after sales service only.
The contents are subject to change without notice.
CD-ES770
PART NO.
NO.
201-7 HDECQ1109AWSA J HDECQA168AWSA J Panel, Cassette [Tape 2] AE
201-8 JKNBZ0982AWSA J JKNBZA116AWSA J Button, Disc Number AD
201-9 MLiF-A001AWZZ J Same as CD-ES700 Damper AD
201-10 JKNBZA040AWSA J Same as CD-ES700 Button, Operation A AF
201-11 JKNBZA041AWSA J Same as CD-ES700 Button, Operation B AF
201-12 JKNBZ0985AWSA J Same as CD-ES900 Button, Function AE
201-13 JKNBZ0986AWSA J JKNBZA117AWSA J Button, Memory AD
201-14 JKNBZ0987AWSA J JKNBZA115AWSA J Button, Tuning AD
201-15 JKNBZ0991AWSA J JKNBZA114AWSA J Button, Power AD
201-16 GCoVA1533AWSA J Same as CD-ES700 Cover, Timer AC
201-17 HBDGB1007AWSA J Same as CD-ES700 Badge, SHARP AD
201-18 MSPRDA002AWFJ J Same as CD-ES700 Spring, Cassette [Tape 1] AB
201-19 MSPRDA003AWFJ J Same as CD-ES700 Spring, Cassette [Tape 2] AB
201-20 HDECQA039AWSA J Same as CD-ES700 Volume Knob Ring, A AH
201-21 HDECQ1106AWSA J Same as CD-ES700 Volume Knob Ring, B AF
201-22 HDECQA019AWSA J HDECQA173AWSA J Decoration Plate, Amp AH
201-23 MLoKC0014AWZZ J Same as CD-ES700 Lock, Cassette [Tape 1] AC
201-24 MLoKC0015AWZZ J Same as CD-ES700 Lock, Cassette [Tape 2] AC
201-25 MSPRD0196AWFJ J Same as CD-ES700 Spring, Cassette Lock [Tape 1] AB
201-26 MSPRD0197AWFJ J Same as CD-ES700 Spring, Cassette Lock [Tape 2] AC
204 GiTARA044AWSA J GiTARA286AWSA J Rear Panel, B AK
CD-ES700
PART NO.
CD-ES770
DESCRIPTIONREF.
ACCESSORIES
TiNSEA011AWZZ J TiNSEA095AWZZ J Operation Manual AE
TiNSZA009AWZZ J TiNSZA156AWZZ J Quick Guide AD
Not Used TLABZA231AWZZ J Label, Feature AE
RRMCG0391AWSA J RRMCGA049AWSA J Remote Control AQ
GFTAT1017AWSA J Not Used Lid, Remote Control ––
SPAKAA013AWZZ J SPAKAA078AWZZ J Speaker Polyfoam
P.W.B. ASSEMBLY (Not Replacement Item)
PWB-A1~2 92LPWB5548MANS J 92LPWB6296MANS J Main/Display (Combined Ass'y) ––
MARK: SPARE PARTS-DELIVERY SECTION
CODE
DIFFERENCE BETWEEN CP-ES700 AND CP-ES770
NO.
PART NO.
CP-ES700
PART NO.
CP-ES770
SPEAKER BOX PARTS
901 GBoXLA032AWSA J GBoXLA091AW01 J Speaker Box Ass'y, Left BC
902 GBoXRA032AWSA J GBoXRA091AW01 J Speaker Box Ass'y, Right BC
903 CPNLSA005AW03 J CPNLSA005AW05 J Front Panel, Ass'y, Left AV
904 CPNLSA006AW03 J CPNLSA006AW05 J Front Panel, Ass'y, Right AV
905 HPNLSA007AWSA J HPNLSA037AWSA J Side Panel, Left AN
906 HPNLSA008AWSA J HPNLSA038AWSA J Side Panel, Right AN
907 TSPC-A058AWZZ J TSPC-A370AWZZ J Label, Specifications AB
912 XMPSF40P35000 J XMPSF40P25000 J Screw, M4x25mm AB
SP1, 2 RSP-ZA022AWZZ J RSP-ZA128AWZZ J Woofer BC
SP3, 4 RSP-ZA023AWZZ J RSP-ZA132AWZZ J Tweeter AS
SP5, 6 RSP-ZA008AWZZ J Not Used Passive Radiator ––
SP7, 8 LHLDZA006AWM1 J LHLDZA068AWM1 J Super Tweeter Ass'y AM
MARK: SPARE PARTS-DELIVERY SECTION
DESCRIPTIONREF.
CODE
– 2 –
A
FM FRONTEND
FM IF DET./FM MPX./AM IF
0.022
0.022
10/50
0.01
100P(CH)
100P(CH)
100P
(CH)
100P(CH)
10K
100P
22K
470
0.022
4.7P
(CH)
10P(CH)
0.022
22P
KTC3194Y
OSC. BUFFER
0.001
0.001
15P(CH)
10
4.7K
47K
10K
4.7P
(CH)
33K
0.001
100K
0.01
0.01
22
4.7P(CH)
1N4148H
TA7358AP
680
47P
0.001
0.001
0.001
270
330P
47K
5.6K
47/25
5.6K
68K
470K
2.7K
0.001
15P(CH)
0.022
0.015
0.022
0.022
150
SVC347S
3.3/50
0.022
1K
1N4148H
1N4148H
0.001
1/50
2.2/50
0.001
100/10
1/50
1K
1K
15P(CH)
0.047
0.022
22P
(CH)
270
5.6K
KTA1266S GR
270
0.022
10K
0.022
100/10
DZ5.1BSB
0.015
27P(CH)
1.8K
3.3K
1K
1K
1/50
5.6K
2.2/50
LC72131
LC72131
PLL(TUNER)
1K
0.001
3.9K
100µH
0.001
0.022
1K
1K
1/50
1/50
1.5K
1/50
0.022
R379
2.2K
10/50
100µH
560P
22P(CH)
47K
4.7K
1/50
0.022
0.022
3.9K
0.022
5.6K
10K
12P(CH)
0.022
0.022
10/50
47/25
1
2
3
LA1832S
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
1
2
3
4
5
6
7
8
9
SVC230C
SVC230C
DO
A+10V
CLK
DI
CE
FM 75 OHMS
GND
(CH)
AM LOOP
ANTENNA
4.5 MHz
10.7 MHz
TP301
TP302
CONT
IF
FM/AM
FM/AM
SD
TP
MO/ST
ST IND
MO/ST
VSS
AOUT
AIN
PD
VDD
FM IN
AM IN
DO
CL
DI
CE
XIN
XOUT
IF IN
REG
AM IF IN
GND
SD
STEREO
FM DET
VCC
IF OUT
PHASE
(FM/AM)
PHASE
L-CH OUT
R-CH OUT
MPX IN
MPX VCO
FM/AM OUT
VSM
AM LOW CUT
AM RF IN
AM OSC IN
FM AFC
AM OSC OUT
AM MIX OUT
FM IF IN
1
2
1
2
AGND
DGND
TUN_R
TUN_L
P6-13 12-C
TO MAIN SECTION
1
2
3
4
5
6
7
8
9
1
2
3
1
2
3
MAIN PWB-A1 (1/3)
FM ANTENA
TERMINAL
AM TRACKING fL
AM ANTENNA
FM RF
FM IF
FM OSC.
AM OSC.
AM BAND
COVERAGE fL
FM BAND
COVERAGE fL
AM IF
FM SIGNAL
AM SIGNAL
+B
+B
+B
+B
+B
D302
D301
C338
C302
C323
BF301
BAND PASS FILTER
CNP301
C303
C304
C320
C305
IC301
C347
C306
C311
18P
(CH)
R302
C324
C307
VD303
C313
R309
T301
CF303
C312
C310
C309
L312
VD302
C308
R311
D305
R313
R314
C315
C316
C317
C318
Q302
R325
R322
R316
R336
C342
T303
C331
C332
C330
R365
C362
C361
R358
R350
C366
C363
C364
C367
C365
X351
456 kHz
R357
C373
C368
R356
C374
C369
C371
C372
C358
C357
C356
C355
R355
C370
R353
CF351
C353
C354
CF352
T351
R352
C399
C398
R393
R388
L352
ZD351
C395
C396
R392
R391
Q360
C391
R383
R385
R384
C388
C384
R395
R359
SWITCHING
R387
R360
C385
C386
R376
L351
R377
R381
C392
C387
R380
C380
C394
C393
C397
R382
C381
X352
C382
R375
C383
R378
R372
R374
R373
C377
C378
C379
C376
R386
IC302
IC302
IC303
R351
C389
C351
C350
C352
VD301
T306
R323
C335
C334
T302
SO302
B
C
D
E
: Changed
CD-ES770
1
F
G
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1 (CD-ES700).
23456
Figure 3 SCHEMATIC DIAGRAM (1/7)
– 3 –
CD-ES770
0
.
0
6
6
6
: Addition/Changed
MAIN PWB-A1 (1/3)
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
CD SIGNAL
VIDEO SIGNAL
AUDIO SIGNAL
R617
Q603
2.2K
KTC3875 GR
R616
2.2K
Q604
KTC3875 GR
C640
22/50
R614
R620
R615
4.7K
22K
R613
4.7K
KTC3875 GR
390
R612
1K
R601
R602
1K
C651
C652
220P
C657
R657
680P
18K
R607
3.9K
C611
0.0027
C625
C609
1/50
C607
0.12
(ML)
0.0022
C615
4.7/50
C621
1/50
R609
C613
C617
R605
10K
Q601
Q602
R611
2.2K
R610
2.2K
KTC3875 GR
C639
1/50
R985
8.2K
R986
8.2K
R621
R988
2.2K
Q909
R987
2.2K
Q908
22K
KTC3875 GR
C631
0.01
KTC3875 GR
390
220P
IC601
LC75341
AUDIO PROCESSOR
1
DI
CE
2
VSS
LOUT
LBASS
LTRE
LIN
LSEL0
L4
L3
L2
L1
+
-
INTERFACE
-
3
4
C605
5
0.1
6
1/50
7
8
1/50
9
1/50
C619
10
11
12 13
C623
1/50
1.5K
CCB
+
-
+
AUX
DECK
TUNER
CD
C653
220P
24
CLK
+B
23
VDD
+
VREF
+
-
-
+
-
+
22
ROUT
21
-
+
RBASS
RTRE
RSEL0
C606
20
0.1
19
RIN
18
17
R4
16
R3
15
R2
14
R1
C624
1/50
C626
0.0022
C601
220/16
C603
220/10
C608
0.12(ML)
C614
1/50
C616
4.7/50
C618
1/50
C620
1/50
C622
1/50
R608
1.5K
C
0.
C61
1/5
R
3
C
0.
A
CNP2
P6-9 12-E
TO CD SERVO PWB
CNS601
B
C
1
A_GND
2
3
CD_GND
4
5
D_GND
6
7
8
R-CH
L-CH
A+5V
+8V
D+5V
P6-14 1-F
TO POWER SECTION
1
3
4
5
6
7
8
9
10
11
12
7
14
6
15
16
17
26
BI601
+B
+B
+B
+B
LD+7V
A_5V
D+5V
D_GND
L-CH
A_GND
R-CH
CD_D_GND
CD_A_GND
AGC
+B
+B
R619
330
R618
330
D
R149
150
SWITCHING
R146
10K
9.3V
9.3V
8.6V
Q112
KTA1504 GR
SWITCHING
E
R108
0V
SWITCHING
R110
Q105
4.7K
R109
0V
0V
47K
R107
R112
15K
R102
1K
R101
1K
47K
0V
0V
4.7K
Q106
SWITCHING
KTC3875 GR
0V
C105
KTC3875 GR
0.0015
C106
0.0015
C107
AN7345K
PLAYBACK
RECORD/
PLAYBACK
R111
R
C108
330P
L
330P
IC101
AND
15K
R114
R113
TAPE1
PLAYBACK HEAD
R-CHL-CH
T1_R
1
1
A_GND
2
2
T1_L
3
3
CNP101
F
ERASE HEAD
R-CH
L-CH
TAPE2
RECORD/
PLAYBACK HEAD
M_GND
1
1
ERASE
2
2
T2_R2
3
3
A_GND
4
4
T2_R1
5
5
6
T2_L1
6
7
T2_L2
7
CNP102
G
C102
560P
C101
560P
C104
180P(CH)
C103
180P
SWITCHING
Q102
KTC3200 GR
0V
0V
0V
Q104
KTC3200 GR
SWITCHING
SWITCHING
KTC3200 GR
0V
0V
Q101
0V
KTC3200 GR
SWITCHING
0.7V
0.7V
Q103
0.7V
R105
3.3K
R104
2.2K
R106
3.3K
0.7V
R103
2.2K
KRC104 S
R147
10K
0V
R148
4.7K
0V
0V
Q114
KRC104 S
SWITCHING
L
R116
56
C112
47/25
C114
0.039
R118
100K
1K
C110
330P
–
+
Hich=T1
+
–
C109
330P
1K
R117
C113
0.039
C111
47/25
R115
56
Q113
R120
100K
C116
560P
3.9K
112K
C115
560P
112K
3.4V
3.4V
C118
AN7345K
3.9K
R119
C117
C141
R122
R124
6.8K
47/25
IC101
R123
47/25
6.8K
R121
100/16
R
18K
C120
0.0022
543216
C119
18K
68K
R150
R128
5.6K
Hich=CHROME
0.022
C121
0.0022
0V
KTC3875 GR
MUTING MUTING
C150
47/50
R130
4.7K
270P
C124
R126
8
7
5.6K
R129
3.3/50
C143
4.7K
270P
C123
1.5K
R127
R131
0.7V
Q108
1.5K
C126
22/50
C125
22/50
R138
10K
R132
C128
–
+
+
–
R133
0.022
C127
100
C130
0.022
56K
56K
100
C129
REC_R
R139
10K
0.7V
Q107
KTC3875 GR
10K
R134
0.0033
C134
C132
47/25
22/25
C133
131415161718192021222324
RIPPLE
Nor/CrO2
ALC
ALC
9101112
C131
47/25
0.0033
10K
R135
R136
Vcc
220K
220/10
C135
R137
0.022
H
• NOTES ON SCHEMATIC DIAGRAM can be found on page 5-1 (CD-ES700).
1
23456
Figure 4 SCHEMATIC DIAGRAM (2/7)
– 4 –
CD-ES770
47/25
1
C
GAME INPUT PWB-B2
1
FW901
1
PWB
CNP901
P6-15 11-B
JK691
VIDEO OUT
D690
C602
C601
0.022
220/16
C603
220/10
C610
C608
1/50
0.082
6
C614
1/50
C616
4.7/50
C618
1/50
C620
1/50
C622
1/50
24
0
C656 680
R606
3.9K
C612
0.0027
R604
10K
R603
1K
R644
6.8K
R656
18K
+B
R642
10K
R643
6.8K
R641
10K
1N4148H
D691
1N4148H
TO POWER AMP.
5
CNS603
1
2
3
4
5
CNP602
M_+13V
SP_RLY
R-CH
GND
L-CH
5
WTM901
1
1
2
2
3
3
R691
8.2K
4
4
R690 C690
5
5
8.2K
6
BI603
C691
390P
390P
+B
R693
33K
R692
33K
A+10V
DGND
CLK
TUN_R
AGND
TUN_L
CHASSIS
CE
DI
DO
VIDEO IN
L-CH
AUX/VIDEO
R-CH
JK690
GAME
VIDEO INPUT
1
5
7
2
3
8
6
9
4
JK692
HEADPHONES
P6-7 1-G
TO TUNERSECTION
2.2K
R608
EC_R
R139
10K
Q107
KTC3875 GR
MUTING
10K
R134
C133
RIPPLE
Nor/CrO2
AL
10 11 12
47/25
10K
R135
22/25
131415
ALC
0.7V
C134
Vcc
220K
R136
220/10
C135
0.022
R137
0V
220K
R158
220
REC_L
0V
R142
R143
R144
C137
0.047(ML)
+B
+B
11.6V
Q109
KTA1504 GR
SWITCHING
82
(1/2W)
0V
47K
0V
22K
C138
0.0082
C139
0.039(ML)
L103
R140
11.6V
R141
4.7K
0V
KRC104 S
47K
Q111
KTC3203 Y
4.7
R145
C140
330 µH
BIAS
Q110
47/25
BIAS OSC.
+B
FFC701
CE
DO
CLK
DI
+B_PROTECT
D_GND
S_MUTE
0V
M_GND
A+10V
TAPE_A_GND
57
TO POWER SECTION
+B
P6-14 1-F
D_GND
+B_PROTECT
M_+13
+B
SW_5V
+B
SP_DET
SP_RLY
2524232221201918
T_T1/T2
REC/PLAY
T_BIAS
A+10V
M_+13V
SW_5V
SP_DET
SP_RLY
-20dB
CNP701B
16
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
1
CNP701A
P6-10 1-F
TO DISPLAY PWB
7
8 9 10 11 12
Figure 5 SCHEMATIC DIAGRAM (3/7)
– 5 –
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