Philips DVP620VR/00 - Page 133

1-11-3
Audio Block Diagram
H9622BLA
TU701
SIF OUT
AUDIO IN
REC AMP
SERIAL I/F
9
8
AUTO BIAS
11
P-ON+5V
P-ON+5V
Q421
BIAS OSC
Q422
Q426 (PB=ON)
Q425
SWITCHING D-REC-OFF
6
EQ AMP
LINE AMP
MUTE
LPF
10
SP/LP-ON
P
R
ALC
7680
78
TUNER
LINE 1
LINE 2
2
4 A-PB/REC
CN504
3 A-COM 1 AE-H 2 AE-H/FE-H
AUDIO HEAD AUDIO ERASE HEAD
AC HEAD ASSEMBLY
FE HEAD
(DECK ASSEMBLY)
1 FE-H 2 FE-H-GND
CN501
MAIN CBA
PB-AUDIO SIGNAL REC-AUDIO SIGNAL
Mode : SP/REC
58 55 53 54
D-REC-H
A-MUTE-H
TO SERVO/SYSTEM CONTROL BLOCK DIAGRAM
FULL ERASE HEAD
YCA-CS
YCA-SCL
YCA-SDA
SIF
MOD-A
A-IN (R)-F
A-IN (L)-F
A-IN (L)
A-IN (R)
A-OUT (R)
A-OUT (L)
N-A-OUT
N-A-IN
JK752
A-IN (R) A-IN (L) JK754 A-IN (L) JK755 A-IN (R)
TO Hi-Fi AUDIO BLOCK DIAGRAM TO Hi-Fi AUDIO BLOCK DIAGRAM TO DVD VIDEO/AUDIO BLOCK DIAGRAM <DVD SECTION>
FRONT REAR
IC751 (OUTPUT SELECT)
(TUNER UNIT)
DVD-A(L) DVD-A(R)
3 2
4
5
DVD-A(L) DVD-A(R)
TP753
A-OUT (R)
TP754
A-OUT (L)
SW CTL
DVD VCR
DVD VCR
JK751
A-OUT (R) A-OUT (L)
JK756
A-OUT (R) A-OUT (L)
9 10 11
5 3
12 13
14
4
OUTPUT-SELECT
TO SERVO/SYSTEM CONTOL BLOCK DIAGRAM
DVD AUDIO SIGNAL
" " = SMD
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.
15
AUDIO SIGNAL PROCESS IC301
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