Main Section - Sony HCD-GRX8 Service Manual

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• Deck section
IC602 uPC1330HA
2 3
1
SW P1 CONT GND
SW R1 GND

• Main section

IC392 MC74HCU04F
VCC
14 13 12
1 2 3
• CD motor section
IC701 M54641L
VCC
1
REG
INPUT
IN1 3
AMP.
INPUT
IN2 6
AMP.
4
GND
IC801 BA6286N
GND 1
RIN 2
VREF
3
OUT2 4
RNF
5
GND 6
OUT1 7
VM
8
VCC
9
FIN
10
INVERTER
COMPARATER
4 5 6 7 8
VCC SW P2 GND
11 10 9 8
4 5 6 7
GND
VCC
8
5 REFERENCE
POWER
OUT2
2
AMP.
CONTROL
POWER
OUT1
7
AMP.
PO WER
SAVE
CONTROL
TSD
LOGIC
• Display section
IC603 BA3833FP
RESET
1
C
PREF 2
LINE
9 3
NF
SW R2
LINE
4
IN
GND 5
BIAS 6
C
NC 7
NC 8
NC 9
IC851 MSM6653A-517GS-K
1
VDD
XT
2
XT 3
NC 4
5
CMD
NC 6
NC
7
ST 8
I0 9
I1 10
I2 11
I3 12
• Mic section
IC751 M65850FP
14
1/2 VCC
AUTO
RESET
LPF1
1
– 87 –
RESET
REFFERENCE
CURRENT
BPF
BPF
BPF
BPF
Bias
OSC
SOUND
MIX
µ CON
ROM
INTER FACE
13 12 11 10 9
OSCILLATOR
D/A
LPF2
CLOCK DO1
MO
MAIN
20KBIT
RESET
CONTROL SRAM
MI
D1
DO0
A/D
2 3 4 5 6
18 RESET
17 f01
DET
16 f02
DET
15 f03
DET
14 f04
DET
13 f
DET
12 VCC
11 NC
10 NC
24 GND
23
A-OUT
22 NAR
NC
21
20 BUSY
NC
19
VPP
18
17
RST
16
CH
15
SD
14 SI
13
I4
8
7