Set Block Diagram - Philips FW-C390 Service Manual

SET BLOCK DIAGRAM

+CD +12M
250mV
-6dB TRACK 3CDC-L2C
CDC
M D
CONTROL
FM (67.5 kHz) +12A
AM (80% MOD)
125mV
ECO6
TUNER
A
CONTROL
AUX / CDR
500mV / 1000mV
125mV
A
-CMOS +12M +12A
28mV
250nWb/m ETF7
AF9
TAPE
M A
CONTROL
+5V6
FRONT +E
CDC DSC/VEC/DBB
ECO POWER
LED
LEDS LEDS
+LED
SHIFT
NTC
REGISTER
POWER_DOWN
POWER
CLIPPING LED DATA
CONTROL
LOW_PWR_CTRL
RDS
DECODER
TMP87CS71F
TUNER
CONTROL
CDC
D
CONTROL
+E
EEPROM
TAPE
CONTROL
+F
KEY SCAN
MATRIX
HP DET MIC DET
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
4-1
SIMPLE KARAOKE
+12A
SWITCH
MIC DET
A A
100mV
14 dB
SOFTWARE CONTROL
ATTN.
-8.5dB
SOURCE SELECTOR
I2C
I2C DATA
500mV
ATTN.
-26 dB
MUTE
AF9
AMP_ON
CD_PORE
CONTROL
+5V6
BIPLANER/
MAX
LEDS
+LED +5V6
+LED
D
I2C DATA I2C CLK
SHIFT
+F +G
REGISTER
LED CLK
LED STR
LED ENABLE
+5V6
-Vkk
uP
+5V6_CON
+F
IR EYE
+5V6_CON
F1x
FTD F2x
ECO
+G
POWER
SWITCH
JOG
VOLUME
CONTROL
+F
CONTROL
+E +5V6_CON
+F
SA1, SA2, SA3
F1x
F2x
D
SA BUFFER
500mV
+12A
76dBA
16dB
3mV
LOW_PWR_SUP
A
TDA7468
INCREDIBLE
TREBLE
VOL. 1 &
SURROUND
BASS
INTERFACE
I2C CLK
500mV
A
SIS FILTER
CIRCUIT
+5V6
MUTE
M62320FP CD STANDBY
I2C DATA I2C SHIFT CD SUPPLY
I2C CLK REGISTER
CONTROL
POWER SUPPLY
+5V6 C1
+12V_A
B1 B1
+12V_D
LOW_PWR_CTRL
-Vkk
NTC
F1
F2
POWER_DOWN
F1
F2
-Vkk
4-1
-CMOS (-9V)
-Vkk -CMOS
REG
+9V
-Vkk +9.1V
REG HEADPHONE
650mV
+5V
+5V6_CON
78dBA
REG
3.2dB
+9.1V
HP DET
HP DET
33R
500mV
HEADPHONE
76dBA
AMPLIFIER
16dB
47R
2.50V
85dBA
+12A
3dB
L CHANNEL
VOL. 2
A 1K
NJM4556AM
Gv = 25dB
+5V6 -Vkk
D
+5V6 -Vkk
MUTE
D D
MUTE
HP DET
+CD (+5V)
A1 C1
LOW_PWR_SUP
+VL +VH
POWER
AMPLIFIER
1.90V
STK-442
67dBA
+
3.0dB
-
ATTEN.
L/R SPEAKER
Rin = 3k
2 X 100W
LEFT/RIGHT 2 X 6 OHMS
+
-
-VL -VH
TRAFO
L
MAINS
FOR -/21 ONLY
CHOKE
N
VOLTAGE
(NOT USED FOR -/37)
SELECTOR
10M
(ONLY FOR -/37)
+5V6
LOW_PWR_CTRL
STANDBY TRAFO
(NOT USED IN -/21 & -/37)