Block Diagram - Sony KP-48PS2 Service Manual

BLOCK DIAGRAM (8)

S
(AUDIO PROCESS)
CN4701(1/2)
MAIN L IN A1
MAIN R IN A2
Q4701
QSS-1 B13
BUFF
AM1 A14
A RESET A7
SCL A5
H1
SDA B5
TO BLOCK
DIAGRAM(2)
A BOARD
CN1901
15 SCL
14 SDA
AM2 A16
Q4706
QSS-2 B15
BUFF
+9V B2 +9V
+5V
+5V B3
IC4702
SOUND PROCESSOR
TV OUT L
56 AV MAIN L IN
TV OUT R
57 AV MAIN R IN
61 IF IN1
Q4702 TRAP
69 IF IN2
BUFF (6.5MHz)
SPEAKER
OUT L
60 MONO IN(AM)
SPEAKER
72 XTAL OUT
OUT R
X4701
18.432MHz
71 XTAL IN
21 POWER ON RESET
2 SCL
3 SCA
IC4705
I2C SW
SW2 9
Q4707
DA3 4
MUTE SW
3
DA4
5
DA2
6
DA1
DA0 7
BPF
(5.5MHz)
Q4710
BPF
(6.0MHz)
Q4709
BPF
(6.5MHz)
Q4708
37
A3
36 A4
Q4703
+9V
BIAS
IC4703(1/2)
OUTPUT AMP
6
-
7
B10
5
Q4712
+
28
LPF
9
- 8
A11
Q4711 10
27 +
LPF
IC4703(2/2)
OUTPUT AMP
B8
IC4704
FM DEMODULATOR
5 MUTE AF OUT 12 A9
13 SW
1 AM IN
3 FM SIF
– 37 –
CN4701(2/2)
L-TV
R-TV
L-OUT
R-OUT
H2
TO BLOCK
DIAGRAM(2)
A BOARD
CN1901
SW2
SUB R
KP-48PS2/61PS2
RM-903