Schematic Diagram - Audio In/Out, Key, Power Supply Section - Sony HCD-EC69 Service Manual

6-17. SCHEMATIC DIAGRAM - AUDIO IN/OUT, KEY, POWER SUPPLY Section -

1 2 3
KEY BOARD
A
R411 R410 R409 R408 R407
47k 15k 6.8k 3.9k 2.7k
SW329 SW328 SW327 SW326 SW325 SW324
DISC 3 DISC 2 DISC 1 DSGX TUNNING +
B
EC69: E2, E51/EC79: E2, E51/
PT-SWITCH BOARD
EC99: E2, E51
C
D
S051
JW006
VOLTAGE
SELECTOR
120V
-1
E 220V
-2
230-240V
CN051
3P
LIVE 1
(AC IN)
F NEUTRAL 3
G
H
I
REG BOARD
IC601
J
+9V REGULATOR
IC601
KIA7809API-U/PF
16.2 1 3 9
I O
G
G W610
2
3P
C698
IN 1 0.1
MAIN
GND 2
BOARD
K
(1/2)
OUT 3
CN609
(Page 28)
HCD-EC69/EC79/EC99
4 5 6 7
R406 R405 R404
2.2k 1.5k 1.2k CN313
3P
A
TP401
1 KEY1
TP402
2 KEY2
PANEL
TP403
BOARD
3 GND
SW323 SW322 SW321 SW311 CN303
(Page 35)
+ USB CD
C051
0.1
RY052
PT051
SUB POWER
TRANSFORMER
5
D052
MC2838-T112-1
4 6
JW009
3 7
2 8
D051
MC2836
1 9
D053
MC2838-T112-1
CN052
10P
EC79: E2, E51/
EC99: E2, E51
1 RELAY ON/OFF
2 V STBY
PT055
MAIN POWER 3 AC DETECT
TRANSFORMER
4 VH(AC)
6 10 5 VH(AC)
6 VL(AC)
5 11 7 GND
8 VL(AC)
4 12 9 VH(AC)
10 VH(AC)
3 13
CN053
2 14
8P
1 RELAY ON/OFF
1
2 V STBY
3 AC DETECT
(EC69: E2, E51)
4 VH(AC)
5 VL(AC)
PT054
MAIN POWER 6 GND
TRANSFORMER
7 VL(AC)
6 10 8 VH(AC)
5 11
4 12
3 13
2 14
NOT REPLACEABLE:
BUILT IN TRANSFORMER
1
JACK BOARD
CN496
9P
TP491 R492 R491
AUDIO-L 9 22k 22k
TP492
A-GND 8
TP493
AUDIO-R 7
N
TP494
HP-GND 6
TP495
HP-L 5
MAIN TP496
BOARD
HP-R 4
TP497
(2/2)
AMP-ON 3
CN605
TP498
(Page 29)
SP-RELAY 2
C496 C495
GND 1
1000p 1000p
8 9 10 11
EC69: AEP, RU, MX, AR/EC79: AEP,
MX, AR/EC99: AEP, RU, MX, AR PT-SINGLE BOARD
C001
0.1
RY001
(EC99: E2, E51)
JW006
B
MAIN
BOARD
(1/2) CN001
3P
CN654
(Page
LIVE 1
(AC IN)
28)
NEUTRAL 3
(EC69: AR/EC79: AR/EC99: AR)
EC69: E2, E51/
JW002
EC79: E2, E51
C
MAIN
BOARD
(1/2)
CN604
(Page
28)
J491
PC IN
D491
1PS226-115
J492
PHONES
37 37
12 13 14 15
(EC69: MX, AR/EC79: MX, AR/EC99: MX, AR)
PT003
SUB POWER TRANSFORMER
5
4 6
3 7
2 8
1 9
(EC69: AEP, RU/EC79: AEP/EC99: AEP, RU)
PT002
SUB POWER TRANSFORMER
5
D002
MC2838-T112-1
4 6
D001
MC2836
3 7
2 8
1 9
D003
MC2838-T112-1
(EC79: AEP, MX, AR/EC99: AEP, RU, MX, AR)
CN002
PT005
10P
MAIN POWER TRANSFORMER
1
6 10 2
3
5 11 4
5
4 12 6
7
3 13 8
9
2 14 10
1
(EC69: AEP, RU, MX, AR)
CN003
PT004
8P
MAIN POWER TRANSFORMER
1
6 10 2
3
5 11 4
5
4 12 6
7
3 13 8
2 14
NOT REPLACEABLE
BUILT IN TRANSFORMEWR
1
HCD-EC69/EC79/EC99
Ver. 1.2
16
(EC99: AEP, RU, MX, AR)
RELAY ON/OFF
V STBY
AC DETECT
Q
VH(AC)
VH(AC)
MAIN
VL(AC)
BOARD
(1/2)
GND
CN654
VL(AC) (Page
VH(AC)
28)
VH(AC)
EC69: AEP, RU, MX, AR
/EC79: AEP, MX, AR
RELAY ON/OFF (Page 28)
V STBY
P
AC DETECT
VH(AC)
MAIN
VL(AC)
BOARD
(1/2)
GND
CN604
VL(AC)
VH(AC)