HCD-EC55, HCD-EC77, HCD-GX99 - Sony Audio Service Manual (repair manual)

hcd-ec55, hcd-ec77, hcd-gx99 service manual
Model
HCD-EC55 HCD-EC77 HCD-GX99
Pages
28
Size
2.04 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio / SUPPLEMENT -1
File
hcd-ec55-hcd-ec77-hcd-gx99.pdf
Date

Read Sony HCD-EC55 / HCD-EC77 / HCD-GX99 Service Manual online

SERVICE MANUAL
Ver. 1.2  2007.07
SUPPLEMENT-1
HCD-EC55/EC77/GX99
US Model
Canadian Model
HCD-EC55/EC77/GX99
AEP Model
HCD-EC55/EC77
UK Model
HCD-EC55
E Model
HCD-EC55/EC77
Australian Model
HCD-EC55/EC77
9-887-532-81
Parts number of printed wiring board changed to suffix-13, -14 from suffix-12.
It has any difference between suffix-12 and suffix-13, -14.
This supplement-1 describes printed wiring boards, schematic diagrams and
electrical parts list about printed wiring boards suffix-13, -14.
Refer to original service manual (9-887-532-0[]) for other information.
• How to distinguish
Location of parts number on changed wiring board
KEY-LEFT BOARD
(COMPONENT SIDE)
KEY-RIGHT BOARD
(COMPONENT SIDE)
KEY-CD BOARD
(COMPONENT SIDE)
JACK BOARD
(COMPONENT SIDE)
DECK BOARD
(COMPONENT SIDE)
REG BOARD
(COMPONENT SIDE)
PT BOARD
(COMPONENT SIDE)
HI-AMP BOARD
(COMPONENT SIDE)
LOW-AMP BOARD
(COMPONENT SIDE)
MAIN BOARD
(COMPONENT SIDE)
PANEL BOARD
(COMPONENT SIDE)
Before change: 1-872-059-12
After change: 1-872-059-13 
1-872-059-14
Before change: 1-872-055-12
After change: 1-872-055-13
1-872-055-14
Before change: 1-872-064-12
After change: 1-872-064-13
1-872-064-14 
Before change: 1-872-060-12
After change: 1-872-060-13
1-872-060-14 
Before change: 1-872-056-12
After change: 1-872-056-13
1-872-056-14 
Before change: 1-872-058-12
After change: 1-872-058-13
1-872-058-14 
Before change: 1-872-062-12
After change: 1-872-062-13 
1-872-062-14
Before change: 1-872-065-12
After change: 1-872-065-13 
1-872-065-14
Before change: 1-872-061-12
After change: 1-872-061-13
1-872-061-14 
Before change: 1-872-063-12
After change: 1-872-063-13
1-872-063-14 
Before change: 1-872-057-12
After change: 1-872-057-13 
1-872-057-14
Subject: Board changed to suffix -13, -14 from suffix -12.
2
HCD-EC55/EC77/GX99
DIAGRAMS
• Waveforms
Note on Schematic Diagram:
• All capacitors are in 
µ
F unless otherwise noted.  (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
• All resistors are in 
  and 
1
/
4
 
W or less unless otherwise
specified.
•         
f
: internal component.
2
: nonflammable resistor.
5
: fusible resistor.
C
: panel designation.
H
: adjustment for repair.
A
: B+ Line.
B
: B– Line.
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
– HI-AMP/LOW-AMP Section –
No mark: CD STOP
– DECK Section –
No mark: TAPE PLAY or TAPE REC
– Other Section –
No mark: CD PLAY
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM)
J
: TUNER (AM)
f
: CD
d
: AUDIO
E
: PB (TAPE)
a
: REC (TAPE)
• Abbreviation
AR
: Argentine model
AUS
: Australian model
CND
: Canadian model
E2
: 120 V AC area in E model
E3
: 240 V AC area in E model
E51
: Chilean and Peruvian models
KR
: Korean model
MX
: Mexican model
RU
: Russian model
SP
: Singapore model
Note on Printed Wiring Boards:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
•        
f
: internal component.
: Pattern from the side which enables seeing.
• Indication of transistor.
   Note:
The components identi-
fied by mark 
0
  or dot-
ted line with mark 
0
 are
critical for safety.
Replace only with part
number specified.
   Note:
Les composants identifiés
par une marque 
0
  sont cri-
tiques pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
Caution:
Pattern face side:  Parts on the pattern face side seen from
(Side B)                 the pattern face are indicated.
Parts face side:     Parts on the parts face side seen from
(Side A)                 the parts face are indicated.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
– PANEL Board –
– MAIN Board –
1
  IC801 
w;
 (XOUT)
13.3 
µ
s
1.5 Vp-p
500 mV/DIV, 4 
µ
s/DIV
1
  IC301 
qd
 (X0A)
30.5 
µ
s
2.1 Vp-p
500 mV/DIV, 10 
µ
s/DIV
2
  IC301 
od
 (X0)
198 ns
2.5 Vp-p
1 V/DIV, 100 ns/DIV
3
3
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
PRINTED WIRING BOARDS — MAIN SECTION —
 :Uses unleaded solder.
1
3
C609
C610
2
L
R
FM
AM
IC801
IC602
1-872-059-
13
(13)
14
(14)
13
(13)
14
(14)
IC601
L
R
1-872-060-
DECK BOARD
FFC502
EXCEPT
AEP,UK,RU,KR
EXCEPT
AEP,UK,RU,KR
EXCEPT
AEP,UK,RU,KR
R728
R727
R722
R720
R716
R715
R712
R711
R710
R709
R708
R707
R706
R704
R702
R701
R700
R697
R696
R695
R694
R693
R692
R691
R689
R688
R729
R687
R686
R685
R684
R683
R682
R681
R680
R679
R678
R677
R676
R667
R666
R655
R847
R652
R846
R651
R845
R650
R844
R843
R842
R841
R840
R649
R648
R647
R646
R645
R839
R644
R838
R643
R837
R836
R640
R832
R831
R830
R639
R829
R633
R827
R632
R826
R631
R825
R630
R824
R823
R822
R821
R820
R629
R627
R626
R625
R819
R624
R818
R623
R817
R622
R816
R621
R815
R620
R814
R813
R812
R811
R810
R619
R618
R617
R616
R615
R809
R614
R808
R613
R807
R612
R806
R611
R805
R610
R804
R803
R802
R801
R609
R608
R607
R606
R605
R604
R603
R601
C704 C703
C702
C701
C698
C696
C695
C694
C693
C692
C691
C690
C689
C688
C687
C686
C685
C684
C683
C682
C681
C680
C679
C670
C668
C666
C662
C660
C850
C659
C658
C656
C655
C654
C848
C653
C847
C652
C846
C651
C845
C650
C844
C843
C841
C840
C649
C648
C645
C838
C643
C837
C642
C836
C835
C640
C834
C832
C831
C830
C639
C638
C637
C635
C829
C634
C828
C633
C827
C826
C824
C821
C820
C819
C817
C816
C815
C814
C811
C810
C618
C617
C616
C615
C809
C808
C807
C612
C806
C611
C805
C804
C803
C608
C699
C700
C607
C605
C603
C606
C604
JR602
JR601
JR603
JR604
R674
R675
Q602
Q617
Q619
Q606
Q618
Q603
Q616
Q605
Q608
Q802
Q622
Q801
Q604
Q803
D604
D622
D603
D623
D618
D605
D801
D616
D802
D805
D621
D617
D606
D601
D804
D806
D803
D614
D602
EC77/GX99
EC77:US,CND/GX99
EC55:
EXCEPT AEP,UK,RU,KR
GX99
US,CND
US,CND
US,CND
EXCEPT
EXCEPT
US,CND
EXCEPT
C629
1
1
1
1
2
2
2
2
3
3
3
3
4
4
4
4 5
6
6
6
6
R848
R849
R850
R851
R852
R853
C849
EC55:
EXCEPT AEP,UK,RU,KR
EXCEPT AEP,UK,RU,KR
JW618
W611
W612
J601
TB601
TB602
JW757
JW601
JW648
JW756
JW719
JW755
JW720
R726
JW750
JW754
JW753
JW751
JW752
C613
L604
L603
L602
L601
JW712
JW727
JW711
JW749
JW608
C671
JW748
JW747
JW746
JW745
JW744
JW743
JW742
JW741
JW740
FL803
FL802
FL801
JW739
JW738
JW737
JW736
JW735
JW734
JW733
JW732
JW731
JW730
L805
JW729
L804
JW728
L803
L802
JW726
L801
JW725
JW724
JW723
JW722
JW721
JW718
JW717
JW716
JW715
JW714
JW713
JW710
JW709
JW708
JW707
JW706
JW705
JW704
JW703
JW702
JW701
JW700
JW699
JW698
JW697
JW696
R725
JW695
R724
JW694
JW693
JW692
JW691
JW690
R719
JW689
R718
JW688
R717
JW687
JW686
JW685
JW684
JW683
JW682
CF801
JW681
JW680
JW679
JW678
JW677
JW676
JW675
JW674
JW673
JW672
JW671
JW670
JW669
JW668
JW667
JW666
JW665
JW664
JW663
JW662
JW661
JW660
JW659
JW658
JW657
JW656
JW655
JW654
JW653
JW652
JW651
JW650
JW649
JW647
JW646
JW645
JW644
JW643
JW642
JW641
JW640
T801
JW639
JW638
JW637
JW636
JW635
JW634
JW633
JW632
JW631
JW630
JW629
JW628
JW627
JW626
JW625
C678
JW624
C677
JW623
C676
JW622
C675
JW621
JW620
C673
JW619
JW617
JW616
C669
JW615
JW614
C667
JW613
JW612
C665
JW611
C664
JW804
JW610
C663
JW803
JW802
C661
JW801
JW609
JW607
JW606
JW605
JW604
JW603
JW602
C646
C644
RY602
RY601
C641
C833
C636
R671
C632
C631
C630
C823
C822
R668
C628
R664
C627
R663
C626
R662
R661
R660
C623
C622
C621
C620
X801
R658
C614
C802
R642
R641
C602
C601
R638
R636
R635
R634
CN801
W609
CN608
CN607
CN606
CN605
CN604
CN603
CN602
CN601
Q601
Q624
D612
D609
D611
D608
D610
D619
D615
D620
D607
FB601
LP001
ANTENNA
FM/AM
LOW-AMP BOARD
HI-AMP 
BOARD
PT BOARD
CN101
(
(
CN101
CN051
SUPPLEMENT-1
      Page 11
(
(
SUPPLEMENT-1
      Page 9
(
(
SUPPLEMENT-1
      Page 13
(
(
SUPPLEMENT-1
      Page 14
(Page 33)
(
(
SUPPLEMENT-1
      Page 6
(
(
SUPPLEMENT-1
      Page 13
(
(
SUPPLEMENT-1
      Page 9
BD90 BOARD
CN201
JACK BOARD
FFC404
PANEL BOARD
CN301
DC FAN
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
MAIN BOARD
  
REG 
BOARD
EC77/GX99
EC77/GX99
EC77:EXCEPT US,CND,AEP,RU
EC55/
EC77:US,CND,AEP,RU/
GX99
EC55/
EC77:US,CND,AEP,RU/
GX99
SUBWOOFER
OUT
SPEAKER
HIGH FREQ.
IMPEDANCE
: USE 8
SPEAKER
LOW FREQ.
IMPEDANCE
: USE 8
SPEAKER
IMPEDANCE
EC77/GX99
GX99
: USE 6
EC55
C
J
B
E
PT(U) BOARD
CN051(Page 47)
K
A
I
D
W610
CN801
EC77/GX99
EC77:EXCEPT US,CND,AEP,RU
EC77/GX99
HI-AMP BOARD
CN101
L
EC55
EXCEPT EC55 : US,CND
 EC55 : US,CND
EC77
1
2
A
B
C
D
E
G
H
F
3
4
5
6
7
9
8
10
11
I
Ver. 1.2
• Semiconductor
Location
Ref. No.
Location
D601
E-3
D602
E-5
D603
E-3
D604
F-4
D605
E-4
D606
E-5
D607
F-5
D608
E-5
D609
F-5
D610
E-5
D611
F-6
D612
E-6
D614
D-6
D615
G-6
D616
C-7
D617
C-7
D618
E-8
D619
E-8
D620
E-8
D621
D-5
D622
D-5
D623
C-7
D801
B-3
D802
B-4
D803
B-4
D804
B-3
D805
B-2
D806
B-2
IC601
H-9
IC602
B-6
IC801
C-4
Q601
D-5
Q602
D-5
Q603
D-4
Q604
E-4
Q605
E-5
Q606
E-5
Q608
E-6
Q616
C-7
Q617
C-7
Q618
F-6
Q619
F-6
Q622
F-8
Q624
E-8
Q801
B-5
Q802
B-5
Q803
D-3
4
4
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
SCHEMATIC DIAGRAM — MAIN SECTION (1/2) —
 See page 2 for Waveform.
3
1.3
9 . 2
1 6 . 9
1 6 . 2
0 . 7
5 . 3
0
9
7 . 8
3
5
3 . 6
5 . 7
1.5
3
2.2
0
1.2
0
0
0
9
5
5
5
5
5
0
0
0
0
2.3
2.3
5
3.7
4
2.2
2.2
5
5
2.5
2.2
2.2
No mark : CD PLAY
3.3
0.8
0 . 1
DECK BOARD
FFC502
MAIN BOARD (2/2)
PANEL BOARD
CN301
B
2
I
ANTENNA
FM/AM
EXCEPT US,CND
1
C814,C815
4700P : EXCEPT US,CND
0.01 : US,CND
HI-AMP BOARD
CN101
(
(
SUPPLEMENT-1
      Page 10
C
MAIN 
BOARD
 (2/2)
1
SPEAKER
HIGH FREQ.
IMPEDANCE
: USE 8
L
R
-
+
FAN
DC
EC77/GX99
  
MAIN BOARD
(1/2)
+
-
*
*
*
*
*
*
*
*
*
(
(
SUPPLEMENT-1
      Page 5
(
(
SUPPLEMENT-1
      Page 5
(
(
SUPPLEMENT-1
      Page 7
(
(
SUPPLEMENT-1
      Page 13
L602
L601
R606
10
R608
10
R631
10
C605
C603
C606
0.1
C616
0.1
R607
10
C615
0.1
C604
0.1
R634
47
R636
47
R635
47
1
2
3
3P
CN601
VDD+
GND
VDD+
2SC3052F-T1-LF
Q602
2SC3052F-T1-LF
Q603
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN607
O-TU-CE
O-TU-DI
O-TU-CLK
I-TU-ANSD
I-TU-DO
O-FUNC-DATA
I-TP-STATE
O-FUNC-CLK
O-TP-REC-MUTE
O-POWER
I-CD-ZDET
O-CD-M-MUTE
O-AMP-ON
O-CD-SBSY
O-CD-REQ
O-CD-CCE
O-CD-BUCK
I/O-BUS3
I/O-BUS2
I/O-BUS1
I/O-BUS0
O-CD-RST
I-P-MONI
O-CD-ON
D-GND
V-STBY
M-GND
JACK,PIN1P
J601
R831
2.2k
R807
22k
R809
100
R801
100
C804 18p
R825
4.7k
R816
1k
C806
470p
C847
0.1
R846
10
R838
22k
R832 1M
SVC347A-TL-E
D801
C848
0.1
C805
0.47
R805
470k
C846
0.01
R823
10k
R827
100k
C820
5p
C841
1000p
R803
2.2k
16V
100
C802
C827
0.047
R842
0
C834
10p
R806
47k
R824
470
R815
10k
C822
22
50V
R814
22k
10V
220
C833
0.01
FL801
C808
18p
C817
0.01
C829
0.47
C837
10p
CF801
C811
100p
R844
2.2k
C826
1000p
C845
0.22
C807
1
C823
220
10V
2SC3052F-T1-LF
Q802
1PS226-115
D806
1PS226-115
D805
R813
470k
5.5
JW803
C831
0.47
R841
10k
SVC230-TB-E
D804
1
2
3
C816
0.01
C819
470p
C836
0.022
C810
100p
R826
1k
C830
2p
C843
0.1
C844
0.1
R839
10
R812
47k
SVC230-TB-E
D803
1
2
3
C832
0.47
R847 0
L803
C821
2200p
C840
0.1
R810
4.7k
R817
47k
R829
4.7k
C809
100p
R843
100k
C828
100p
C835
0.047
C838 1000p
1PS226-115
D802
1
3
2
R811
100k
R818
10k
2SC3052F-T1-LF
Q801
R837
100k
R840
0
31
32
33
34
35
36
1
2
3
4
5
6
30
29
28
27
26
8
7
9
10
11
21
22
23
24
25
12
13
14
15
20
19
16
17
18
LV23003VA
IC801
AM RF-IN
REG
FM-MIX
GND1
AM-MIX
VCC1
AM IF-IN
FM IF-IN
P-DET
P-COMP
FM-DET
L-OUT
R-OUT
VSS
CE
DI
CL
DO
XIN
XOUT
VDD
MPX-IN
FM DET
-OUT
AM DET
-OU
AGC
PD
LP-IN
LP-OUT
BO1
BO2
AM-OSC
FM-OSC
VCC2
FM RF-OUT
GND
FM RF-IN
1
2
3
CN801
3P
AM
GND
FM
1
6
2
3
4
5
220uH
L805
6
2
1
3
4
T801
1
3
4
6
2
L802
R822
100
TP686
R655
0
25V
47
C601
D603
MA111-TX
C803
1
TP601
TP602
TP603
TP604
TP605
TP606
TP607
TP608
TP609
TP610
TP611
TP612
TP613
TP614
TP656
TP657
TP658
TP659
TP660
TP661
TP662
TP663
TP664
TP665
TP666
TP667
TP668
TP669
TP670
TP671
TP672
TP673
TP674
TP675
TP676
TP677
TP678
TP679
TP680
TP681
TP682
TP683
TP684
TP685
BPF
G
I
O
FL803
1
2
3
4
5
6
7
8
9
10
CN602
10P
OUT-L
-VH
+VH
OUT-R
PA-GND
PROTECT
AMP-ON
IN-L
A-GND
IN-R
7.5
JW802
15
JW801
12.5
JW804
R819
33k
R830
3.3k
R836 6.8k
R820
4.7k
R821
4.7k
C815
C814
1
2
3
4
5
6
7
8
9
9P
CN606
9V
PB-Lch
PB-Rch
A-GND
REC-Lch
REC-Rch
M-GND
9V
I-TP-STATE
L804
R724
R725
C824
1
TP687
TP688
TP689
TP690
KTA1266GR-AT
Q601
1
2
3
4
6
L801
TB601
CF
G
I
O
FL802
0.1
C679
2200p
C683
2200p
C690
0.01
C692
R630
47k
50V
4.7
C614
50V
22
C602
50V
10
C613
R626
10k
4.7k
R627
R726
5.5
JW750
D621
2200p
C681
R633
100k
R632
100k
X801
75kHz
22
R804
22
R808
R802
22
RY601
R604
100k
R603
R603
R605
R629
4.7k
R601
470
D622
AMP-R
A-GND
AMP-L
AMP-STBY
I/O-BUS0
I/O-BUS2
O-CD-BUCK
O-CD-REQ
O-CD-M-MUTE
I-CD-ZDET
O-CD-ON
I-P-MONI
O-FUNC-DATA
O-FUNC-CLK
TP-REC-MUTE
O-POWER
PB-L
SW-OUT
TU-CE
TU-DI
TU-CLK
TU-DO
TUNER-R
TUNER-L
TU-CE
TU-DI
TU-CLK
TU-ANSD
TU-DO
PB-R
REC-L
REC-R
O-CD-RST
I/O-BUS1
I/O-BUS3
O-CD-CCE
O-CD-SBSY
FAN
PROTECT
TU-ANSD
Q601,Q602
FAN MONITOR
FAN CONTROL
+5V REG
+3V REG
AM FREQUENCY
COVERAGE
AM TRACKING
FM TRACKING
FREQUENCY
COVERAGE
AM/FM DET.OSC
MIX.PLL.IFAMP
FM DETECTOR
AM IFT
SUBWOOFER
OUT
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16 17 18
1
FM
PLUG CONNECTOR (2.5MM) 
GX99
15
4.7 : EC77 : US,CND/GX99
5.6 : EXCEPT EC77 : US,CND/GX99
EC77 :
 US,CND/GX99
4P
R848
100
R849
220
C849
0.01
R850
100
R852
2.2K
Q803
R851
22
R853
680
IF-AMP
2SC5477
-T122-1
R724,R725,R726
15 : EC77 : US,CND/GX99
22 : EXCEPT EC77 : US,CND/GX99
0.01
0.01
MAZ8082GMLS0
MAZ8043GMLS0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A
B
C
D
E
F
G
H
I
J
Ver. 1.2
Page of 28
Display

Download Sony HCD-EC55 / HCD-EC77 / HCD-GX99 Service Manual (Repair Manual)

Here you can read online and download Sony HCD-EC55 / HCD-EC77 / HCD-GX99 Service Manual in PDF. HCD-EC55 / HCD-EC77 / HCD-GX99 service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony HCD-EC55 / HCD-EC77 / HCD-GX99 Audio. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.