Audio/Power Control Block Diagram
MAIN CBA
AUDIO SIGNAL
6-3
6-4
LIMITER
FM
DET
AF
AMP
IC802
IC333
(R-CH AUDIO AMP)
Q825
Q411
JK801
HEADPHONE
JACK
NOTE FOR WIRE CONNECTORS:
1. PREFIX SYMBOL "CN" MEANS CONNECTOR.
(CAN DISCONNECT AND RECONNECT.)
2. PREFIX SYMBOL "CL" MEANS WIRE-SOLDER HOLES OF THE PCB.
(WIRE IS SOLDERED DIRECTLY.)
TEST POINT INFORMATION
:INDICATES A TEST POINT WITH A JUMPER WIRE ACROSS A HOLE IN THE PCB.
:USED TO INDICATE A TEST POINT WITH A COMPONENT LEAD ON FOIL SIDE.
:USED TO INDICATE A TEST POINT WITH NO TEST PIN.
:USED TO INDICATE A TEST POINT WITH A TEST PIN.
SCL
SDA
27
26
48
28
44
47
49
30
32
A-IN(L)
(FRONT)
TU AUDIO
P-ON-H
+8V
SERIAL
I/F
13
14
POWER ON
CONTROL
+5.7V
REGULATOR
JK702
+5V CTRL
+5V CTRL2
+8V CTRL
TO POWER SUPPLY
BLOCK DIAGRAM
+8V
Q441
X441
FROM/TO
IF/VIDEO/
SYSTEM
CONTROL
BLOCK
DIAGRAM
SP801
SPEAKER
L-CH
CN801
3
5
6
DC
VOL.
9
FROM/TO IF/VIDEO
/SYSTEM CONTROL
BLOCK DIAGRAM
FROM IF/VIDEO/
SYSTEM CONTROL
BLOCK DIAGRAM
L6118BLA
P-ON-ON
P-ON-ON
RESET
RESET
MONO-OUT
STEREO-IN
EXT-H
VOLUME
A-MUTE-H
VIDEO/AUDIO/CHROMA/DEFLECTION/IF
IC401
MTS/SAP AUDIO SIGNAL PROCESS
SP-L 2
SP-GND 1
SP802
SPEAKER
R-CH
CN802
SP-R 2
SP-GND 1
A-IN(R)
(FRONT)
JK703
MUTE
IC801
(L-CH AUDIO AMP)
5
6
9
ATT
LPF
VCA
BPF
DET
5fH
TRAP
L-R
AMP
L-R
DEMOD
MATRIX
11
10
BUFFER
Q377
AMP
L+R
AMP
STEREO
DRIVER
PHASE
COMP.
ST
SW
LPF
VCO
COUNTER
2
1
PIL.
DET.
20
21
22
54
5
1
3
DC
VOL.
MUTE
1
4
4
WF6
