Sony CDX-C90R Service Manual page 51

QQ
3 7 63 1515 0
IC721 BU2624FV-E2
XIN 1
CE 2
I/O
CK 4
CTL
DA
5
CD 6
P0 7
P1 9
10
P3
IC851 TA2051FN(EL)
24 23 22 21 20
NOISE FILTER
AMP AMP
TE
L 13942296513
AF AGC NOISE AGC
DET DET
IF AGC
DET
2ND IF
DET
AMP
1 2 3 4
IC921 MSM6685JSDR1
TEST
1
RWCK
2
GENERATOR
NC 3
TEST
4
TEST 5
8,388,608DATA
9
TEST
TEST 10
DIN 11 COLUMN DECODER
NC
12
www
COLUMN ADDRESS
VSS 13
.
WRITE CLOCK
GENERATOR
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PHASE
REFERENCE
DIVIDER
MAIN
PRESCALER
COUNT
SHIFT REGISTER LATCH
IF COUNT
CTL
20BIT COUNT
19 18 17
NOISE NFB
SOM1
DET GATE
SOM2
PHASE
SHIFTER
BUFFER
BUFFER
PHASE
SHIFTER
AGC
NFB
REG
GATE
5 6 7 8
TIMING
REGISTER
COUNTER
x ao
y
i
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8
20 XOUT
19
VSS
18 PD
DET
17 VDD
16 FMIN
15 AMIN
14 P2
13 IFIN
12 SD
11 P4
16 15 14 13
NFB
AMP
SUB MAIN
Q Q
GATE
GATE 3 6 7 1 3
(CH2)
(CH1)
SUB
MAIN
GATE
GATE
NFB
AMP
9 10 11 12
26 VCC
25
RS/A
REFRESH TIMER
24 RFSH
REFRESH ADDRESS
COUNTER
ROW ADDRESS
COUNTER
23 SAD
ROW ADDRESS
REGISTER
22 SAS
18
TAS
u163
CS .
17
WE
16
15 DOUT
14 NC
– 67 –
2 9 9 4 2 8
IC600 BA6285FP-E2
VREF
CONTROL
DRIVER DRIVER
IC761 µPD4066BG
7
6 5 4 3
1 5 0 5 8 2 9 9 4
8 9 10 11
IC722, 941 TCW66FU
8 7 6 5
1 2 3 4
m
co
9 9
2 1
2 8 9 9
13 14
12