Audio Block Diagram
BLOCK DIAGRAM FOR SECTION 2 (DECK MECHANISM)
MAIN CBA
POWER SUPPLY /
AV CBA
PB-AUDIO SIGNAL
DVD AUDIO SIGNAL
DATA(AUDIO) SIGNAL
REC-AUDIO SIGNAL
1-11-5
IC1401
Mode : SP/REC
TD603BLA
1-11-6
BIAS
OSC
Q1872
P-ON+5V
P-ON+5V
Q1871
Q1873
Q1874
Q1875
(AUDIO PROCESS)
N-A-IN
N-A-OUT
TP1802
NA-IN-YCA
AUDIO
HEAD
AC HEAD ASSEMBLY
A-COM
A-PB/REC
CL1402
AUDIO
ERASE
HEAD
AE-H
AE-H/FE-H
1
2
FE-H
FE-H GND
FULL
ERASE
HEAD
CN1403
4
3
1
2
FE HEAD UNIT
REC
AMP
7
98
6
AUTO
BIAS
99
LINE
AMP
MUTE
FROM/TO
SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
96
P
R
ALC
71
12
D-REC-H
D
-R
E
C
-H
E
X
T-
H
A-MUTE-H
EXT-H
FROM SERVO/SYSTEM
CONTROL BLOCK
DIAGRAM
4
78
11
WF7
WF8
3
1
EQ
AMP
100
SP/LP-ON
2
IC2202
(OUTPUT SELECT)
IC2801
(AUDIO AMP)
DC VOL.
IC2203
(OP AMP)
SP-R
1
SP-GND
2
SPEAKER
R-CH
JK1801
HEADPHONE
JACK
CN1802
SP1801
FROM/TO
Hi-Fi AUDIO
BLOCK
DIAGRAM
FROM DVD AUDIO
BLOCK DIAGRAM
CN402
FROM
Hi-Fi AUDIO
BLOCK
DIAGRAM
FROM
SERVO/
SYSTEM
CONTROL
BLOCK DIAGRAM
A-OUT(R)
10
10
A-OUT(L)
9
9
SP-L
11
11
SPDIF
11
DVD-AUDIO(R)
7
DVD-AUDIO(L)
5
A-OUT(R)
5
5
A-OUT(L)
3
3
DVD-H
19
19
DVD-MUTE
13
CN1805
CN2802
SP-L
SW CTL.
1
SP-GND 2
SPEAKER
L-CH
CN2801
SP2801
Q2202
Q2209
Q2208
Q2203
CN2402
CN2803
JACK-MUTE-H
Q2204
JK2201
DIGITAL
A-OUT
A-OUT(R)
A-OUT(L)
2
1
12
13
14
15
11
10
5
3
1
7
CN1804
CN2803
CN1804
Q2205
BUFFER
DVD-MUTE
VOLUME
5
2
12
7
6
P-ON+5V
Q2207
76
80
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.