Set Block Diagram - Philips FW-C798/21/37 Service Manual

SET BLOCK DIAGRAM

NOTE :
MAIN SIGNAL PATH
MEASUREMENTS ARE IN AUX MODE :
LEVELS AT MAX VOL
XX mV
YY dBA S/N AT 500mW
ZZ dB HEADROOM (1% THD) WRT TO LEVEL AT MAX VOL
CDC
M
D D
DIG
-VKK
-CMOS
TUNER
-CMOS
REG.
-9V
A
LOW_PW_SPLY
TAPE
+5V
+5V6
REG.
CON
M
A
SA_OUT
2.1V
A
D
4-1
75 ohm
COAX1 (FROM CDC)
Vpp 0.5V
DIG
OUT
DIG
DIG
AUX 500mV
AUX CDR 1V
+12V_A
MIC
A
A
+9V1
250mV
REG.
A
A
Attn
125mV
-8.5 dB
A
125mV
VREF
26mV
SSL A
A
A
Line Out Mute
CCT
From other 500mV
Chan. A
A
(Blue Strip)
(wOOx)
(BassTreble)
A
A
SSL
DPL
500mV
DPL/ Audio
76dBA H/P Amp
16dB
IS Signal
Interface Proc.
DPL
D
FIS or
SIS Filter
CCT
-Vkk
From other
Mute2 Chan.
A
4-1
D
Mute_SW
Mute_SW_FR
1.90V
775mV
67dBA
A
3dB
2.50V
85dBA
3dB
650mV
78dBA
A
3.2dB
-Vkk
Mute
H/P
Mute1
CCT
A A
S/W OUT
H/P
SUBWOOFER
CCT
1.25V
A
86dBA
3.5dBA
Mute_SW_FR
A
Block_Diagram (3139 119 33780) dd wk0138