Sony HCD-G1 Service Manual page 22

QQ
3 7 6 3 1 5 1 5 0
IC04 CXD2508Q
80 79 78 77 76 75 74 73 72
SCOR 1
10
SBSO 2
EXCK 3
SQSO 4
SQCK 5
SUB CODE
PROCESSOR
6
MUTE
SENS 7
1
16K
XRST 8
RAM
DATA 9
13
10
XLAT
CPU
INTERFACE
CLOK 11
VSS
12
SEIN 13
SERVO AUTO
11
SEQUENCER
CNIN 14
DATO 15
DIGITAL
XLTO 16
3
FILTER
+
CLKO 17
1BIT DAC
T E
SPOA 18 L 1 3 9 4 2 2 9 6 5 1 3
(PIC SW)
SPOB 19
CLOCK
(OPEN SW)
GENERATOR
SPOC 20
(CLOSE SW)
XTSL 21
XLON 22
(LD ON)
DIGITAL
FOK 23 PLL
MON 24
25 26 27 28 29 30 31 32 33
— TUNER SECTION —
IC101 LA1186N
RF IN 1
BYPAS 2 RF
MIX IN 3 VREF
GND 4
MIX
GND 5
IF 6
REG
AFC 7
OSC 8 OSC BUF
VCC 9
www
.
http://www.xiaoyu163.com
71 70 69 68 67 66 65
64 WFCK
63 EMPHI
62 EMPH
DIGITAL
61 DOUT
OUT
60 C4M
EFM
DEMODULATOR
59 FSTT
58 MNT0
ERROR
57
MNT1
CORRECTOR
56 MNT3
55 XPOF
D / A
INTERFACE
54 C2PO
53 VSS
52 RFCK
DIGITAL
CLV 51 GFS
50 XPCK
4
49 XUGF
3 48 GTOP
47 BCK1
46 BCK
45 PCMD1
44
PCMD
43 LRCK1
ASYMMETRY
CORRECTOR 42 LRCK
41 WDCK
34 35 36 37 38 39 40
x a o
y
i
— 31 —
http://www.xiaoyu163.com
8
IC102 LA1831
OSC/FMSD OSC AFC AM RF SMET AM HPF AF DET
24 23 22 21 20 19 18
ALC
AM
AM AM RF AMP
OSC MIX
AGC
BUFFER
AM IF AM DET
AM/FM
IF BUFE
COMP
LEVEL
DET TUNING
S-CURVE
DRIVE
AM
FM DET
FM
FM IF REG GND
1 2 3 4 5 6 7
FM IF AM MIX REG AM IF GND TU LED ST IND
IC201 LC7218
REFERENCE PHASE DETECTOR
XIN 1
DIVIDER CHARGE PUMP
Q Q
3 7 6 3 1
SWALLOW COUNTER
1 / 2
1/16 . 1/17 BIT
12 BIT
CE PROGRAMMABLE DIVIDER
2
DI
3
CL 4
DO 5
SYC 6
UNIVERSAL
SHIFT REGISTER
IN0 COUNTER
7 LATCH
IN1
8
OUT0
9
OUT1 10
OUT2 11
OUT3 12
— MAIN SECTION —
IC201 TA8189N
METAL PRE TAPE A
CH2/A CH2/B NF OUT OUT /TAPE B VCC CG
24 23 22 21 20 19 18 17
CH2
–
+
A/B
u 1 6 3
VREF1 IREF
VREF2
M/N
.
CH1
+
–
GND
1 2 3 4 5 6 7 8
CH1/A CH1/B NF METAL PRE MIX GND1 M/H
OUT OUT OUT
2 4
9 9 8
L OUT
MPX VCO MPX IN R OUT PL DET
17 16 15 14 13
MUTE DECORDER
STEREO SW
STEREO DRIVE
TRIG
FF
PILOT
DET
AM/FM
VCO
SW
PHASE
DET
VCC
8 9 10 11 12
FM DET VCC AM/FM PH DET PH DET
X OUT
24
23 VSS
22 PD2
21 PD1
20 VDD
5 1 5 0 8 9 2 4
19 FM IN
18 AM IN
17 OUT 6
16 HCTR
15 LCTR
14 OUT 5
13 OUT 4
REC REC
OUT NF IN ALC
16 15 14 13
–
+
CH2
m
c o ALC
CH1
+
–
GND
9 10 11 12
REC NF REC GND
OUT IN
— 32 —
2
9 9
9 8 2 9 9