Block Diagram - Sony KP-48PS2 Service Manual

BLOCK DIAGRAM (9)

H2
HP OUT,
USER CONTROL
CN3202
HP R OUT 1
I
HP L OUT 4
TO BLOCK DIAGRAM(2)
A BOARD CN1301
CN3201
2 KEY2
S3205
T6001
F6001
AC IN
LFT
CN6004
5A
220-240V
50Hz
AC(L) 2 2 1
AC(W) 1 3 4
RY6000
STBY+5V
D6100,D6106
RECT
D6104
RECT
H1
(USER CONTROL,MAIN SW)
PROGR +
PROGR - +
S3101 S3102 S3103
J3201
HEAD
PHONE
CN3101
KEY2 2
S3104 S3105
-
D3001
(STANDBY)
S3106
T6002
LFT
CN6006
CN3103
1 2 1 AC(L)IN
AC(L)IN 1
AC(N)IN 4
4 3 4 AC(N)IN
CN6007 CN3104
AC(N)OUT 5
5 AC(N)OUT
AC(L)OUT 1
1 AC(L)OUT
D6015
RECT
1
3
IC6004
SWITCHING IC
1 VD
15 VC2
IC6007
18 VB
MAIN SW
14 VC1
Q6004
MCM SW
T6100
SBT
5
9
1
6
8
3
Q6100,6102
PROTECT 4
PIT AUDIO
IC3101
2
IR RECEIVER
CN3102
OUT 8 SIRCS
5 KEY1
4
STBY +5V 4 STBY +5V
B
10
+5V +5V
TO BLOCK
DIAGRAM(2)
6
KEY2
A BOARD
CN1302
Q3101
2 R.LED
LED SW
T6003
PFT
11
1
3
14
FEED BACK
VS 19
RT 7
COM 17
VG(H) 2
VG(L) 16
IC6302
STBY 5V REG
STBY +5V
5
4 IN OUT
IC6304
REF VOLTAGE
2 A K 3
Q6304
REF 1
VOLTAGE DET
Q6301,6302
PROTECT
– 38 –
G
T6004
(POWER SUPPLY)
8
D6302
RECT
12
IC6303
OVP
T6005
REF 1
PIT
K 3
D6308
RECT
13
D6309
RECT
15
7
D6310
RECT
9
D6301
RECT
10
12
16
18 D6300
RECT
+
IC6002
D6304
RECT
IC6301
+B REG
1
4
Q6303
OCP
KP-48PS2/61PS2
RM-903
CN6301
1 +17V
K
2 -17V TO BLOCK DIAGRAM(2)
A BOARD CN1605
CN6302
1 +22V
2 -22V
3 15V
Y
TO BLOCK DIAGRAM(6)
4 -15V
D BOARD CN5013
9
+6.5V
6 PROT
5
P.CONT
CN6303
3 +6.5V
4 +6.5V
5 +6.5V L
9 +10.5V
TO BLOCK DIAGRAM(2)
10 +10.5V A BOARD CN1603
CN6304
1 +135V Z
TO BLOCK DIAGRAM(6)
D BOARD CN5002
CN6300
5
STBY +5V
2 OVP
G
3 OCP TO BLOCK DIAGRAM(2)
A BOARD CN1606
1 AC ON/OFF