Block Diagram (5) (6 - Sony KF-50SX100K Service Manual

BLOCK DIAGRAM (5) (6)

– 61 –
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
K1
SDA B5
TO A BOARD
CN1901
15 SCL
14 SDA
AM2 A16
Q4706
QSS-2 B15
BUFF
+9V B2
+9V
+5V B3 +5V
– 62 –
IC4702
SOUND PROCESSOR
TV OUT L
56 AV MAIN L IN 37
TV OUT R
57 AV MAIN R IN 36
Q4703
+9V
BIAS
67 IF IN1
IC4703(1/2)
Q4702 TRAP OUTPUT AMP
69 IF IN2
BUFF (6.5MHz) 6
- 7
5
SPEAKER Q4712 +
28
OUT L LPF
60 MONO IN(AM)
9
- 8
10
SPEAKER Q4711
27 +
72 XTAL OUT
OUT R
LPF
IC4703(2/2)
X4701
18.432MHz OUTPUT AMP
71 XTAL IN
21 POWER ON RESET
2 SCL
3 SCA
IC4705
I2C SW
SW2 9
IC4704
FM DEMODULATOR
Q4707
DA3 4 5 MUTE AF OUT 12
MUTE SW
3
DA4 13 SW
5
DA2
DA1 6
DA0 7
1 AM IN
BPF
3 FM SIF
(5.5MHz)
Q4710
BPF
(6.0MHz)
Q4709
BPF
(6.5MHz)
Q4708
– 63 –
CN4701(2/2)
A3 L-TV
A4 R-TV
B10 L-OUT
A11 R-OUT
K2
TO A BOARD
CN1901
B8 SW2
A9 SUB R