Read Sony HCD-GRX80J / HCD-R880 / HCD-RXD8 / HCD-RXD8S / MHC-RXD8 / MHC-RXD8S Service Manual online
– 69 –
• PANEL (3/3) section
IC604 NJU3716M
7-24. IC BLOCK DIAGRAMS
• PANEL (1/3) section
IC603 BA3830F
2
3
14
1
f04
13 f05
12 f06
11 REC
LEVEL
10 VCC
15 f03
5
REC
NF
6
REC
IN
7
RESET
C
8
BIAS
C
9
GND1
4
16 f02
17 f01
18 RESET
R02
P01
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
REFFERENCE
CURRENT
DET
DET
BPF
BPF
• PANEL (2/3) section
IC605 MSM6654A-540GS-K
8
12
7
BEEP TONE
GENERATOR
MELODY
GENERATOR
OSC
(XT/CR)
RANDOM
CIRCUIT
I/O
INTERFACE
TIMING CONTROLLER
17 STAGE (MSM6654A)
ADDRESS COUNTTER
17 STAGE (MSM6654A)
MULTIPLEXER
ADDRESS
&
SWITCHING
CONTROLLER
1M BIT ROM
EDITING ROM &
ADDRESS ROM
CONTAINS 22KBIT
DATA
CONTROLLER
ADPCM
SYNTHESIZER
PCM
SYNTHESIZER
12 BIT
DAC
LPF
20
BUSY
8
RND
16
9
10
11
15
12
13
14
A2
A1
A1
A0
SW3
SW2
SW1
SW0
SW0
TEST
3
5
2
OSC1
OSC2
OSC3
1
17
22
23
24
RESET
XT/CR
AOUT
GND
VDD
13
DATA
CLK
STB
CLR
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P15
SO
P16
10
12
11
P13
P14
14
15
16
17
19
20
21
22
23
1
2
3
4
5
7
8
9
CONTROL
LATCH
SHIFT REGISTER
Click on the first or last page to see other HCD-GRX80J / HCD-R880 / HCD-RXD8 / HCD-RXD8S / MHC-RXD8 / MHC-RXD8S service manuals if exist.