HCD-EC55, HCD-EC77, HCD-GX99 - Sony Audio Service Manual (repair manual). Page 5

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

5
5
HCD-EC55/EC77/GX99
HCD-EC55/EC77/GX99
SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —
3.9
3.9
17
2.2
2.8
1.3
0.7
5.3
5.3
0
0
0
5.6
1.9
17
9
5.6
0.7
3.3
6.2
3.9
0
3.9
0
0
0
0
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
3.9
7.8
3.9
3.9
3.9
No mark : CD PLAY
No mark : CD PLAY
1
2
3
4
5
6
7
8
8P
CN604
RELAY ON/OFF
V STBY
AC DETECT
VH(AC)
VL(AC)
GND
VL(AC)
VH(AC)
TB602
100V
C621
0.1
100V
C623
0.1
1N5402-F46
D607
1N5402-F46
D608
1N5402-F46
D610
1N5402-F46
D609
1N4002B
D612
1N4002B
D611
C626
C622
25V
2200
C627
25V
1000
C628
MC2838-T112-1
D602
MC2836
D606
2SC3052F-T1-LF
Q606
2SC3052F-T1-LF
Q605
2SC3052F-T1-LF
Q604
R646
100
R652
100
R614
10k
R613
10k
R648
47k
R649
2.2k
1uH
L603
1uH
L604
10
R615
10
R612
10
R611
10
R647
0.1
C607
0.1
C617
0.1
C608
0.1
C618
47
R642
47
R641
47
R638
D605
MC2838-T112-1
D601
4.7k
R610
4.7k
R609
1N4002B
D615
2SC3052F-T1-LF
Q619
0.022
C642
2.2k
R693
56k
R686
10k
100k
R729
2SA1235TP-1EF
Q618
10k
R677
10k
R676
D616
28
27
26
25
24
23
22
7
6
5
4
3
2
1
21
20
16
17
18
19
13
12
11
10
8
9
15
14
R2S15904SP
IC602
TUNER-R
AUDIO-R
TAPE-R
TAPE-L
AUDIO-L
TUNER-L
CD-L
OUT
-L
VOL-L
OUT
-R
VOL-R
BASS-R
BASS-R
BASS-L
BASS-L
NC
NC
TRE-L
TRE-R
D-GND
CLK
D
ATA
REF
VCC
A-GND
R-OUT
L-OUT
CD-R
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN608
AVDD
R-OUT
DAC-GND
L-OUT
A-GND
RST
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
REQ
SBSY
D-GND
D-OUT
DVDD
VM7V
M-GND
M-MUTE
ZDET
1N4002B
D619
1N4002B
D620
16V
100
C631
KTC3203Y-AT
Q624
10V
220
C669
100
R722
1k
R716
2SC3052F-T1-LF
Q622
22k
R720
10V
470
C673
16V
100
C667
100
R715
50V
1
C663
50V
1
C664
220
R707
R732
R732
R731
R731,
220
R706
220p
C660
220p
C659
50V
10
C661
8.2k
R681
8.2k
R684
0.1
C662
50V
1
C676
50V
1
C675
1
C658
1
C656
C654
1
C652
1
1
C650
1
C648
C651
100p
C645
220p
1k
R697
C653
100p
C666
220p
1k
R709
C635
1
C643
1
2SC3052F-T1-LF
Q617
2SC3052F-T1-LF
Q616
4.7k
R679
4.7k
R680
2SC3052F-T1-LF
Q608
D614
R667
47k
10V
47
C630
1k
R666
D604
MA111-TX
MA111-TX
MA111-TX
MA111-TX
10V
100
C620
C609
C610
10k
R691
R692
4700p
C639
4700p
C640
10k
R682
10k
R694
2.7k
R683
2.7k
R695
1
2
3
4
5
6
7
8
9
CN605
9P
AUDIO-L
A-GND
AUDIO-R
HP-GND
HP-L
HP-R
AMP-ON
SP-RELAY
GND
50V
1
C644
50V
1
C636
50V
1
C646
50V
1
C665
TP615
TP616
TP617
TP618
TP619
TP620
TP621
TP622
TP623
TP624
TP625
TP626
TP627
TP628
TP629
TP630
TP631
TP632
TP633
TP634
TP635
TP636
TP637
TP638
TP639
TP640
TP641
TP642
TP643
TP644
TP645
TP646
TP647
TP648
TP649
TP650
TP651
TP652
TP653
TP654
TP655
4.7k
R700
4.7k
R704
R622
33k
R617 10k
R623
10k
R624 10k
R618 10k
R625
33k
R616
R616,
R619
R619
D618
MAZ8039GHLS0
1
2
3
4
5
6
7
8
9
10
CN603
10P
OUT-L
-VH
+VH
OUT-R
PA-GND
PROTECT
AMP-ON
IN-L
A-GND
IN-R
63V
C677
3300
63V
C678
3300
10k
R696
10k
R708
C649
220p
C655
220p
68
R717
68
R718
68
R719
0.068
C634
0.068
C633
0.068
C638
0.068
C637
10V
C671
100
C641
C641
R645
R645
2.2k: EC77:MX
4.7k: EC55/EC77:EXCEPT MX/GX99
4.7k
R643
50V
4.7
C632
2.2k
R690
27k
R689
33k
R710
33k
R711
820
R712
0.1
C691
0.1
C693
0.1
C694
470p
C689
47k
R685
220k
R687
C850
0.1
R701
0
R702
0
1k
R644
1PS226-115
D623
C684
C684
C685
C686
C686
C685
C687
1000p
C688
1000p
2200p
C680
2200p
C682
R620
4.7k
R621
4.7k
C611
0.22
C612
0.22
100k
R639
100k
R640
MC2838-T112-1
D617
0uH
FB601
Relay
RY602
R650
4.7k
R651
4.7k
R727
4.7k
R728
4.7k
47k
R678
R688
1
C695
1
C696
C702 0.01
C701 0.01
C704 0.01
C703 0.01
0.1
C668
100p
C670
W612
W611
C698
C699
C700
1000p
1/2W
100
R658
1/2W
100
R660
1/2W
100
R661
1/2W
100
R662
1/2W
100
R663
1/2W
100
R664
1/2W
100
R668
1/2W
100
R671
47
R674
47
R675
3P
W609
1
IN
2
GND
3
OUT
3P
W610
1
1
IN
2
2
GND
3
3
OUT
PROTECT
A-GND
AMP-R
A-GND
AMP-L
AMP-STBY
FAN
I-P-
MONI
CD-A
VR
AUDIO-L
AUDIO-R
HP-L
HP-R
O-CD-SBSY
O-CD-CCE
I/O-BUS3
I/O-BUS1
O-CD-RST
O-CD-REQ
AMP-ON
HP-R
O-FUNC-CLK
O-FUNC-DA
TA
AMP-R
AMP-L
HP-L
OUT-R
CD-L
TUNER-R
TUNER-L
OUT-L
REC-R
AUDIO-L
AUDIO-R
CD-R
CD-L
O-CD-ON
O-POWER
TP-REC-MUTE
CD-A
VR
OUT-L
OUT-R
O-CD-BUCK
I/O-BUS2
O-CD-M-MUTE
I-CD-ZDET
I/O-BUS0
PB-L
PB-R
SP-RELAY
PROTECT
CD-R
PROTECT
SW-OUT
AMP-STBY
REC-L
A-GND
O-POWER
EXCEPT AEP,UK,RU,KR
SP RELAY
DRIVER
Q605,Q606
AC MONITOR
CD MONITOR
POWER RELAY
DRIVE
AMP CONTROLLER
AUDIO SELECTOR
TONE CONTROLLER
CD POWER
SWITCH
+3.3V REG
REC MUTE-L
REC MUTE-R
1 2 3 4
5
6
7
8
9 10
11
12 13
14
15
16 17 18
LOW-AMP BOARD
CN101
(
(
SUPPLEMENT-1
      Page 12
(
(
SUPPLEMENT-1
      Page 10
SPEAKER
LOW FREQ.
IMPEDANCE :
 USE 8
PT (U) BOARD
PT  BOARD
CN051
CN051
(Page 47)
MAIN BOARD
(2/2)
BD90 BOARD
CN201
(Page 34)
JACK BOARD
FFC404
A
J
Ω
D
L
K
E
3.9K : EC55
2200uF/50V : EC55
3300uF/63V : EC77: US,CND,AEP,RU/GX99
Not Used : EC77: EXCEPT US,CND,AEP,RU
10K : EC77: E51,E2,E3,MX,AR.AUS
15K : EC77 : US,CND/GX99
8.2K : EC77 : AEP,RU
EC77: EXCEPT US,CND,AEP,RU
IC601
REG BOARD
+9V REG
TA7809S
C629
0.1 25V
 EC77/GX99
 EC77/GX99
 EC77/GX99
 EC77/GX99
10p : EC55:EXCEPT AEP,UK,RU,KR
22p : EC77:EXCEPT AEP,RU
10p : AEP,UK,RU,KR
22p : EC77:EXCEPT AEP,RU/GX99
EXCEPT US,CND
EC55:EXCEPT
         AEP,UK,RU,KR
EXCEPT US,CND
US,CND
EC77/GX99
HI-AMP BOARD
CN101
EC55
1
MAIN BOARD (1/2)
2
MAIN BOARD (1/2)
SPEAKER
IMPEDANCE :
 USE 6
Ω
EC55
EC77/GX99
EC55 : US,CND
EC55 : US,CND
EXCEPT 
L
R
-
+
+
-
*
*
*
*
*
*
R692
4.7k:EXCEPT US,CND,AEP,UK,RU
10k:US,CND,AEP,UK,RU
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
(CHASSIS)
(CHASSIS)
1000P
1000P
GX99
470p : EC55:
EXCEPT AEP,UK,RU,KR
10p : AEP,UK,RU,KR
22p : EC77:EXCEPT AEP,RU/GX99
470p : EC55:
EXCEPT AEP,UK,RU,KR
No Mount  
AEP,UK,RU,KR
0.01
0.01
0  EXCEPT AEP,UK,RU,KR
100  AEP,UK,RU,KR
2.2/50V EXCEPT AEP,UK,RU
3.3/50V AEP,UK,RU
(
(
SUPPLEMENT-1
      Page 4
(
(
SUPPLEMENT-1
      Page 4
(
(
SUPPLEMENT-1
      Page 13
(
(
SUPPLEMENT-1
      Page 14
EXCEPT
AEP,UK,RU,KR
AEP,UK,RU,KR
C622,C626
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
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