Schematic Diagram - Main Section (2/2) - Sony HCD-EC55 Service Manual

7-8. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —
1 2 3
A
MAIN BOARD
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
(Page 44)
OUT-L 1
D601
MC2838-T112-1
L
EC55
D
HI-AMP BOARD
CN101
(Page 42)
R611 R612
10 10
TB602
EC77/GX99
TP625
E +
EC55
SPEAKER L C609 0.01
-
SPEAKER LOW FREQ.
-
IMPEDANCE : IMPEDANCE :
C610 0.01
R
USE 6
Ω USE 8 Ω +
TP626
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
(Page 46)
HCD-EC55/EC77/GX99
• See page 48 for IC Block Diagram.
4 5 6 7
1 MAIN BOARD (1/2)
(Page 36)
1 2 3 4 5 6 7 8
(2/2)
AEP,UK,RU
C700 C699
1000P 1000P
AMP-R
A-GND
AMP-L
AMP-STBY
AMP-STBY
OUT-R
EXCEPT AEP,UK,RU 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
100k R643
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
100
1/2W
R712
820
R711
33k
R650 R727
* R645
4.7k 4.7k
2.2k:EC77,MX
4.7k:EC55/EC77:
R648
R651 R728
EXCEPT MX/GX99
47k 4.7k 4.7k
OUT-L
PROTECT
C620
R649
100
2.2k
R662
10V
100
1/2W
R614 Q605
Q606
10k
2SC3052F-T1-LF
2SC3052F-T1-LF
R613
5.3 5.3
10k
Q605,Q606
0 AC MONITOR
R646
100
0
R652
C696
100
C695 1
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
D607
R625
R619
33k 1N5402-F46 EC77: EXCEPT US,CND,AEP,RU
*
D608
C677
1N5402-F46
3300
63V
C621 C622
0.1 *
100V
D609
1N5402-F46 C678
C626 3300
D610 * 63V
1N5402-F46
C627 C628
2200 1000
C623 D611
25V 25V
0.1 1N4002B FB601
100V 0uH
D612
* C622,C626
1N4002B 2200uF/50V : EC55
3300uF/63V : EC77: US,CND,AEP,RU/GX99
Not Used : EC77: EXCEPT US,CND,AEP,RU
W612
(CHASSIS)
8 9 10 11
9 10 11
Q608 D614
2SC3052F-T1-LF MA111-TX
AMP CONTROLLER
17
R667
2.8 47k
EC55:EXCEPT
2.2 R666
* C684
AEP,UK,RU 1k
10p : EC55:EXCEPT AEP,UK,RU
C668 22p : EC77:EXCEPT AEP,RU/GX99
0.1 C630
No Mount AEP,UK,RU
47
C670 10V
100p
C684
*
EXCEPT US,CND
Q616
2SC3052F-T1-LF
0
REC MUTE-L
R679
Q617
4.7k 0
2SC3052F-T1-LF
0
REC MUTE-R
R680
4.7k 0
C686
*
* C686
10p : EC55:EXCEPT AEP,UK,RU EXCEPT
22p : EC77:EXCEPT AEP,RU/GX99 AEP,UK,RU
C687 1000p
No Mount AEP,UK,RU C688 1000p
* C685
10p : EC55:EXCEPT AEP,UK,RU C636
1
R681 8.2k
22p : EC77:EXCEPT AEP,RU/GX99 1
50V
50V
470p : AEP,UK,RU
C646
1
C644 50V
14 13 12 11 10 9 8 7
R660 R661 R668
100 100 100
1/2W 1/2W 1/2W
R674
47 C685
*
15 16 17 18 19 20 21 22
R675 C638
EC77/GX99
0.068 C639
47 C659 C661
4700p
220p 10
D623
50V
1PS226-115 C660
220p
R663 R664 R671
100 100 100
R684
1/2W 1/2W 1/2W
8.2k
R685
R687
220k 47k MC2838-T112-1
Q618
R678
2SA1235TP-1EF
47k
D615
5.6 CD MONITOR
1N4002B D616
R676
MA111-TX
10k 5.6
0
1.9 Q619
R688 R690
R729
C632 10k 2.2k 2SC3052F-T1-LF
100k
4.7
R677
C631
10k 50V POWER RELAY
100 R686 C641
R689 DRIVE
16V 56k * 27k
* C641 2.2/50V EXCEPT AEP,UK,RU
3.3/50V AEP,UK,RU
17
1 IN IN 1 1
IC601
C629
0.1 25V
2 GND
GND 2 3
TA7809S
3 OUT 3
OUT 2
+9V REG
9
W609 W610
3P 3P
REG BOARD
No mark : CD PLAY
37 37
12 13 14
2 MAIN BOARD (1/2)
(Page 36)
14 12 13
C850
0.1
IC602
R2S15904SP
AUDIO SELECTOR
TONE CONTROLLER
6 5 4 3 2 1
IC B/D Q624
KTC3203Y-AT
+3.3V REG
6.2
R717
68
3.9
R718
R722
23 24 25 26 27 28 68
100
Q622
R719
C665 2SC3052F-T1-LF
68
1
CD POWER
50V
C662
SWITCH 3.9
0.1
C669
0
220
C667
10V
100
16V
R720
R732 R731
22k D619
* *
1N4002B 1N4002B
* R731, R732
0 EXCEPT AEP,UK,RU
100 AEP,UK,RU
D617
C642
0.022
0.7
* R692
R692
4.7k:EXCEPT US,CND,AEP,UK,RU
*
10k:US,CND,AEP,UK,RU
R691
10k
W611
(CHASSIS)
HCD-EC55/EC77/GX99
Ver. 1.2
15 16 17 18
15 16 17 18
CN608
21P
TP636
1 AVDD
C675
CD-R TP637
1 50V
2 R-OUT
TP638
3 DAC-GND
C676
TP639
CD-L 1 50V
4 L-OUT
TP640
5 A-GND
TP641
O-CD-RST
3.3 6 RST
TP642
I/O-BUS0
7 BUS0
TP643
I/O-BUS1
8 BUS1
TP644
I/O-BUS2
C671 9 BUS2
100
TP645
10V I/O-BUS3
10 BUS3
O-CD-BUCK TP646
11 BUCK
TP647
O-CD-CCE
12 CCE
C689 BD90 BOARD
TP648
O-CD-REQ 470p
13 REQ
C673 TP649
O-CD-SBSY
470
14 SBSY
10V C691
TP650
0.1
15 D-GND
C682 C680
2200p 2200p
16 D-OUT
C693 C694
0.1 TP651
0.1
D620
17 DVDD
TP652
18 VM7V
TP653
19 M-GND
TP654
O-CD-M-MUTE
20 M-MUTE
TP655
I-CD-ZDET
21 ZDET
CN605
9P
TP630
AUDIO-L
1 AUDIO-L
2 A-GND
TP631
AUDIO-R
3 AUDIO-R
4 HP-GND
TP632
HP-L
5 HP-L
TP633
HP-R
6 HP-R
TP634 JACK BOARD
AMP-ON
7 AMP-ON
TP635
8 SP-RELAY
9 GND
No mark : CD PLAY
19
A
CN201
(Page 34)
J
FFC404
(Page 45)