Sony HCD-M500AV Service Manual page 57

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3 7 63 1515 0
IC101 (MAIN BOARD) TDA7440D
1 2 3 4
TE
L 13942296513
IC201 (MAIN BOARD) M62464FP
64
65
ABR
66
NGC3
NGC2 67
NGC1 68
AVCC 69
AVCC
70 VREF
VREF1
IREF 71
IREF
L-IN
LIN 72
R-IN
RIN 73
LT-IN
LTIN 74
RT-IN
75
RTIN
C-IN
CIN 76
SL-IN
SLIN 77
SR-IN
SRIN 78
SW-IN
SWIN 79
VRSW-IN
80
VRSWIN
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L R
1 2 3
.
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28 27 26 25
SUPPLY
G
0/30dB
2dB STEP
G
INPUT MULTIPLEXER
GAIN
5 6 7 8 9
63 62 61 60 59 58 57 56 55 54 53 52 51
BPF BPF
LOG
DUAL TIME CONSTANT
FULL WAVE
DIFFERENCE
RECTIFIER
AMPLIFIERS
THRESHOLD SWITCHES
L R L R
L
R
C
S
AUTO
BALANCE
VCA
SERVO
3 3
2 2 4
4
5 1 5
1
1 2
C-SW
2 2
1 1
3 3
PSEUDO
SURROUND
VOL
VOL
TRIM
TRIM
TRIM
x ao
y
C
4 5 6 7 8 9 10 11 12
i
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8
22 21
24 23 20 19 18
VREF
TREBLE
VOLUME
I2CBUS DECODER
TREBLE
VOLUME
10 11
Q Q
3 6 7 1 3
50 49 48 47 46 45 44 43
MODIFIED
B-TYPE
AND
NR DECODER
2
3 1
C
L R
1
2
3
4
VOL
VOL
TRIM
1
2
DVDD
u163
13 14 15 16 17 18 19 20 21
.
2 9 9 4 2 8
17 16 15
RB
SPKR ATT
BASS
LEFT
LATCHES
SPKR ATT
BASS
RIGHT
RB
12 13
1 5 0 5 8 2 9 9 4
42 41
1 2
40
DVOLOUT
39
LPF2OUT
38
LPF2IN2
37
LPF2IN1
DAINTOUT
36
35 DAINTIN
34
DACONT
33 ADCONT
32 ADINTOUT
31 ADINTIN
CLK
30
LPF1OUT
29
LPF1IN2
28 LPF1IN1
27 DIN
26 DSELOUT
25 DVSS
m
MCU INTERFACE
DATA SCK REQ
co
22 23 24
9 9
14
2 8 9 9
57