Philips MCM9 - Set Block Diagram; System Signal Path Overview

MUTE
125mV
UL-ICD03
A2
B1
(ONLY FOR -/37)
HP_MUTE
FTD
IIC_DATA1
VOL. 1
-33V
REG
MEASUREMENTS ARE IN AUX MODE :
LEVELS AT MAX VOL
S/N AT 500mW
NOTE :
BASS & TREBLE
CONTROL
+D
+C
SHIFT
REGISTER
SOURCE / VOLUME LEDS
+D
POWER SUPPLY
TREBLE
HP DET
CONTROL
ECO6
AMPLIFIER
2.50V
+9.1V
CDC
CONTROL
F1x
+5V6
NTC
REGISTER
M62320FP
IIC CLK1
IIC_DATA1
78dBA
3.2dB
NTC
+12V_A
EEPROM
M
F1
LOW_POWER_CONTROL
+5V_CD
CONTROL
A
85dBA
-CMOS +12V_D
250nWb/m ATTN.
-25dB
28mV
500mV
CONTROL
FOR CLASS G SWITCH
B
B
Rin = 3k
HEADROOM (1% THD) WRT TO LEVEL AT MAX VOL
500mV
BASS
AMP_ONA1
A
YY dBA
CONTROL
INCREDIBLE
1.90V
67dBA
FM (67.5 kHz)
LEFT/RIGHT
LEFT/RIGHT
ETF8
D
+12V_A
A1
+5V6
+12V_A
A
2 X 6 OHMS
3.0dB
285mV
ZZ dB
MP3
D
IIC_CLK1
+
+12V_A
TDA7468
+CD
+C
L
CONTROL
+D
IIC SHIFT
-
+
TUNER
A2
KEY SCAN
AN7591
CONTROL
VOLUME
N
C1
HEADPHONE
HP_DET
39R
REGULATOR / STABILISER
B1
+50V
VOL. 2
+9.1V
REGULATOR
7805
IIC
SURROUND
AMP_ON
IS FILTER
+D
A
M
HEADPHONE
CHOKE
+12V_A
F2x
ATTN.
+9V
AUX / CDR
IR EYE
ADC
+5V6
LED
NJM4556AM
A1
ETF8
D
FOR -/21 ONLY
2 X 40W
AMP_MUTE
3dB
&
ECO POWER
L/R SPEAKER
TUNER
HP_DET
39R
A
AMP_MUTE
COMBI
CONTROL
MUTE_HP
ETF8
DECODER
TMP88CU74YF
A
10M
MAINS
85dBA
650mV
-6dB Track
FUSE
COMBI
AMPLIFIER
+C
SIMPLE
A
POWER
+G
16dB
F2x
(NOT USED FOR -/37)
A2
XX mV
UL-CD
F2
RDS
-33V
-
ATTEN.
AM (80% MOD)
FUSE
FUSE
+12V_D
125mV
+5V6_ECO
SOFTWARE CONTROL
-33V
-8.5dB
POWER
MAIN SIGNAL PATH
SMPS
PWDN
IIC_CLK1
+5V6_ECO
IIC_DATA1
+C
+5V6
D
CD_ON
500mV / 1000mV
+5V6
VOLTAGE
LPS
F1
F2
LPC
CONTROL
500mV
HP_OUT
F1x
SELECTOR
HP_OUT
FRONT
PWDN
TRAFO
SOURCE SELECTOR
INTERFACE
+12V_M
uP
+D
FUSE
Block Diagram_3139 119 37751_dd wk0409
4-1
4-1
SET BLOCK DIAGRAM