Sony HCD-EC55 Service Manual page 81

Q Q
SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —
3 7 6 3 1 5 1 5 0
1 2 3
A
MAIN BOARD
AEP,UK,RU,KR
CN603
10P
B
TP615
IN-R 10
TP616
A-GND 9
TP617
IN-L 8
TP618
AMP-ON 7
TP619
D PROTECT 6
TP620
PA-GND 5
TP621
EC77/GX99
OUT-R 4
C
TP622
LOW-AMP BOARD
+VH 3
TP623
CN101
-VH 2
TP624
( SUPPLEMENT-1 (
OUT-L 1
D601
Page 12 MC2838-T112-1
L
R609 R610
D 4.7k 4.7k
EC55
HI-AMP BOARD
CN101
( SUPPLEMENT-1 (
Page 10
TB602
EC77/GX99 TP625
E +
EC55 SPEAKER L
C609 0.01
-
LOW FREQ.
SPEAKER
IMPEDANCE : IMPEDANCE : -
C610 0.01
R
USE 6
Ω USE 8 Ω +
TP626
T E
L 1 3 9 4 2 2 9 6 5 1 3
F
G
* R616, R619
3.9K : EC55
10K : EC77: E51,E2,E3,MX,AR.AUS
15K : EC77 : US,CND/GX99
8.2K : EC77 : AEP,RU
H
CN604
8P
TP627
RELAY ON/OFF 1
K TP628
V STBY 2
TP629
AC DETECT 3
EC55 : US,CND
VH(AC) 4
PT (U) BOARD
I VL(AC) 5
CN051
GND 6
(Page 47)
VL(AC) 7
VH(AC) 8
E
EXCEPT
EC55 : US,CND
J
PT BOARD
CN051
( SUPPLEMENT-1 (
Page 14
w w w
HCD-EC55/EC77/GX99
4 5 6 7
MAIN BOARD (1/2)
1 ( SUPPLEMENT-1 (
Page 4
1 2 3 4 5 6 7 8
(2/2)
2SC3052F-T1-LF
C700 C699
AMP CONTROLLER
1000P 1000P
17
AMP-R
A-GND
AMP-L
2.2 EC55:EXCEPT
AEP,UK,RU,KR
AMP-STBY
AMP-STBY
C670
100p
OUT-R
EXCEPT AEP,UK,RU,KR O-POWER
C698
1000p
OUT-L
FAN
D604
MA111-TX
TP-REC-MUTE
R638 R641 R642
RY602
47 47 47
Relay
Q604
2SC3052F-T1-LF
SP RELAY
DRIVER
1.3
R645
R640 *
0.7 SP-RELAY
100k
R644
1k
R639
C607 C617 R643
100k
0.1
0.1 4.7k
C608
C618
0.1
0.1
GX99
R615
R647 D605
R710 OUT-R
10
10
MA111-TX 33k SW-OUT
R658 R660
100 100
1/2W 1/2W
R712
820
R711
33k
R650 R727
4.7k 4.7k
R648 * R645
R651 R728
47k 4.7k 4.7k 2.2k: EC77:MX
4.7k: EC55/EC77:EXCEPT MX/GX99 OUT-L
PROTECT
C620
R649
100
2.2k
R662 R663
10V
100 100
1/2W 1/2W
R614 Q605
Q606
10k 2SC3052F-T1-LF
2SC3052F-T1-LF
R613
10k 5.3 5.3
Q605,Q606
0 AC MONITOR
R646
100
0
R652
C696
100
1
C695
1
D602
D606
MC2838-T112-1 MC2836
R616
R622 C611 0.22
*
33k
R623
R620 4.7k
10k
R617 10k
R618 10k C612 0.22
R624 10k
R621 4.7k
R625 D607
R619
33k 1N5402-F46 EC77: EXCEPT US,CND,AEP,RU
*
D608
C677
1N5402-F46
3300
63V
C621
C622
0.1
*
100V
D609
C678
1N5402-F46
C626
3300
*
D610 63V
1N5402-F46
C627 C628
D611
2200 1000
C623
1N4002B
0.1 FB601 25V 25V
100V 0uH 1
D612
2
* C622,C626
1N4002B
2200uF/50V : EC55
3
3300uF/63V : EC77: US,CND,AEP,RU/GX99
Not Used : EC77: EXCEPT US,CND,AEP,RU
W609
3P
W612
(CHASSIS)
x a o
y
. i
http://www.xiaoyu163.com
8 9 10 11
9 10 11
Q608 D614
MA111-TX
R667
2.8 47k
R666
1k
C668
* C684 10p : AEP,UK,RU,KR
0.1 C630
47 22p : EC77:EXCEPT AEP,RU/GX99
10V 470p : EC55:EXCEPT AEP,UK,RU,KR
C684
*
EXCEPT US,CND
Q616
2SC3052F-T1-LF
0
REC MUTE-L
Q617
R679 0
4.7k
2SC3052F-T1-LF
REC MUTE-R 0
R680 4.7k 0
* C686
* C686
10p : EC55:EXCEPT AEP,UK,RU,KR
EXCEPT
22p : EC77:EXCEPT AEP,RU
C687 1000p
AEP,UK,RU,KR
No Mount AEP,UK,RU,KR
C688 1000p
* C685
10p : AEP,UK,RU,KR
C636 1
R681 8.2k
22p : EC77:EXCEPT AEP,RU/GX99 1
50V
470p : EC55:EXCEPT AEP,UK,RU,KR 50V
C646
1
C644 50V
14 13 12 11 10 9 8 7 6 5
R661 R668
100 100
1/2W 1/2W
C685
*
16 17 18 19 20 21 22 23 24
15
C638
EC77/GX99
0.068 C639
4700p C659 C661
Q Q 220p 10
D623
50V
1PS226-115 C660 3 7 6
C662
220p
0.1
R664 R671
R706 R707
100 100
220 220
R684
1/2W 1/2W
8.2k
R685
R687 D617
220k 47k MC2838-T112-1
R678 Q618
2SA1235TP-1EF
47k
D615
5.6 CD MONITOR
1N4002B
D616
MA111-TX
5.6 C642
0 0.022
Q619
1.9 R688
R676 R690
R729 2SC3052F-T1-LF 0.7
10k 10k
C632 2.2k
100k
4.7 POWER RELAY
R692
C631 R677 50V
DRIVE R691 *
100 10k R686 C641 R689
56k 27k 10k
16V *
* C641 2.2/50V EXCEPT AEP,UK,RU
3.3/50V AEP,UK,RU
17
IN 1
IN 1
C629 IC601
0.1 25V
GND GND 2
3
TA7809S
OUT
OUT 3 2
+9V REG
9
W610
3P
REG BOARD
No mark : CD PLAY
u 1 6 3
5 5
http://www.xiaoyu163.com
2 4
8 9 9
12 13 14 15
MAIN BOARD (1/2)
2 ( (
SUPPLEMENT-1
Page 4
14 12 13 15
C850
0.1
IC602
CD-R
R2S15904SP
AUDIO SELECTOR
TONE CONTROLLER
CD-L
4 3 2 1
Q624
KTC3203Y-AT
+3.3V REG
6.2 3.3
R717
68
3.9
R718 C671
R722
25 28
26 27 68 100
100
10V
Q622
R719
C665
2SC3052F-T1-LF 68
1
CD POWER
3 1 50V 5 1 5 0 8 9
SWITCH 3.9
C669
0
220
C667 10V
C673
100
470
16V
10V
D618
MAZ8039GHLS0
R720
R732 R731 22k
D619 D620
*
*
1N4002B 1N4002B
* R731, R732
0 EXCEPT AEP,UK,RU,KR
100 AEP,UK,RU,KR
R693
2.2k
* R692
4.7k:EXCEPT US,CND,AEP,UK,RU
10k:US,CND,AEP,UK,RU
W611
(CHASSIS)
m
c o
.
HCD-EC55/EC77/GX99
Ver. 1.2
2
8 9 9
16 17 18 19
16 17 18
TP636
1 AVDD
C675
TP637
1 50V
2 R-OUT
TP638
3 DAC-GND
C676
TP639
1 50V
4 L-OUT
TP640
5 A-GND
TP641
O-CD-RST
6 RST
TP642
I/O-BUS0
7 BUS0
I/O-BUS1 TP643
8 BUS1
TP644
I/O-BUS2
9 BUS2
I/O-BUS3 TP645
10 BUS3
A
TP646
O-CD-BUCK
11 BUCK
O-CD-CCE TP647
2 4 9 8 2 9 9
12 CCE
C689 BD90 BOARD
TP648
O-CD-REQ 470p
13 REQ
CN201
O-CD-SBSY TP649
14 SBSY
(Page 34)
C691
TP650
0.1
15 D-GND
C682 C680
2200p 2200p
C693 16 D-OUT
C694
0.1
0.1 TP651
17 DVDD
TP652
18 VM7V
TP653
19 M-GND
TP654
O-CD-M-MUTE
20 M-MUTE
TP655
I-CD-ZDET
21 ZDET
CN608
21P
TP630
AUDIO-L
1 AUDIO-L
2 A-GND
TP631
AUDIO-R
3 AUDIO-R
4 HP-GND
TP632 J
HP-L
5 HP-L
TP633
HP-R
6 HP-R
TP634 JACK BOARD
AMP-ON
7 AMP-ON
TP635 FFC404
8 SP-RELAY
( SUPPLEMENT-1
9 GND
Page 13
CN605
9P
No mark : CD PLAY
(