Schematic Diagram Of B3 (4/4) Board - Sony KP-48PS1 Service Manual

(7) Schematic Diagram of B3 (4/4) Board

1 2 3
A
• B3 (4/4) BOARD WAVEFORMS
#= #[
B
3.5 Vp-p (H) 3.2 Vp-p (23 MHz)
#\ #;
C 4.6 Vp-p (36 MHz) 3.2 Vp-p (H)
D
D5V
TO B3(2/4) PLL ENABLE IN
E
IC304
14 13 12 11 10 9 8
PC74HC00D-T
NAND
IC310
PC74HC02D-T
1 2 3 4 5 6 7 AND
F
R345
1Ok
G
:CHIP
H :CHIP
IC307
TC7S14F(TE85R)
INVERTER
1 NC VCC 5
2 IN
4.8
*
3 GND OUT 4
I
IC308
TC7S14F(TE85R)
INVERTER
1 NC VCC 5
SCL 2 IN
*
4.8
TO B3(1/4,2/4,3/4)
3 GND OUT 4
J
4 5 6
D301 D302
MA113 MA113
LEVEL SHIFT
LEVEL SHIFT
+9V
#]
5.1 Vp-p (H)
#'
.4 Vp-p (23 MHz)
D5V
5 4
IC309
TC7SET04F
INVERTER
R344
1 2 3
0
:CHIP
TO B3(1/4,2/4,3/4) SDA
C360
10p
CH:CHIP
R342
0
:CHIP
VDOCLAMP
TO B3(3/4)
14 13 12 11 10 9 8
A5V-1
1 2 3 4 5 6 7
R341
0
R302
:CHIP C302
10 33
C358
:CHIP
10V
0.01
:AL-CP R-Y
B:CHIP
C306
0.1
25V
B:CHIP
16 15 14 13 12 11 10 9
IC305
SN74HC163ANSR
C305
COUNTER
0.1
25V
F:CHIP
1 2 3 4 5 6 7 8
16 15 14 13 12 11 10 9
R340
10k
IC306
SN74HC163ANSR
C359 COUNTER
0.01
B:CHIP
1 2 3 4 5 6 7 8
R-Y
– 99 –
7
8 9
IC311
TA78L005AP
+5V REG.
+5V
I O
L302
G
10µH
:CHIP C325 C332
0.01 0.01
C319 B:CHIP B:CHIP
C361 C362 10
10 0.01 16V
16V B:CHIP :AL-CP
:AL-CP
C317
0.01
36 35 34 33 32 31 30 29 28 27
B:CHIP
L303
10µH
:CHIP
37 IOGND
C318
10
38
16V IOVCC
:AL-CP
39 PLLVCC
C321
40
0.01 PLLGND
B:CHIP
41 VCOVCC
IC303
C316 42 CXA3266Q
VCOGND
0.1 25V F:CHIP
C320 PLL SUB
0.01 43 VCOHGND
B:CHIP
C315 R306
44
2k IREF
100p
1.0
:RN-CP
CH:CHIP
45 RC2
C314 2.6
46
0.1 RC1
25V 1.1
C312
B:CHIP 47 IRGND
0.001
CH:CHIP
48
IRVCC
C323
0.01
R303 C363 B:CHIP
4.7k 0.0047
:RN-CP B:CHIP
1 2 3 4 5 6 7 8 9 10 11 12
35 36
C324
0.01
B:CHIP
TO B3(1/4) HP SUB PLL
R325
10k
:CHIP
C310
C313 R305 R319 C327 C331
0.1 0.1 0.1
0.1 1k 33 1k
25V 25V :CHIP :CHIP 25V 25V
B:CHIP B:CHIP B:CHIP
F:CHIP
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
65 AVSS BRBS 40
32 34 0.4
66 CIN BRB 39
1.3 0.4
67 CIO AVSS 38
1.3
68 AVDD BIN 37
1.3
69 CRT BIO 36
2.3 1.3
70 CRTS AVDD 35
2.3
71 DVSS BRT 34
2.3
72 DVSS BRTS 33
2.3
IC302
73 C0 ARTS 32
2.3
CXD2303AQ-TL
74 C1 ART 31
SUB A/D CONVERTER
2.3
75 C2 AVDD 30
76 C3 AIO 29
0.5
77 C4 AIN 28
0.5
78 C5 AVSS 27
79 C6 ARB 26
0.4
80 C7 ARBS 25
0.4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
C Y
C309 C330
0.1
0.1
25V 25V
B:CHIP
B:CHIP
RB301 RB302
22 22
:CHIP :CHIP
10 11 12
C341
0.01
B:CHIP
+5V VDO CLK OUT
26 25
R333
0
R347 :CHIP
0
:CHIP FL306 C333 R339
NFM51R10P107 0 0
DSYNC 24
:CHIP :CHIP
0.3
23 EMI VDO CLK IN
CLK
2.1
R310
CLKN 22 G
22
37 R338
:CHIP
21
CLK/2 C347 0
:CHIP
0.01
CLK/2N 20
B:CHIP
R337
19
DGND 100k C349
:CHIP 0.01
DVCC 18 B:CHIP
17
UNLOCK
4.9
DIVOUT 16 XVDOHS
R350 R328
15
SEROUT 0 100
:CHIP :CHIP
CS 14
13
TLOAD
R2809 0 :CHIP
FL304
CKD510JB1A105ST
EMI
C340
R2801
C350 G
0.1 120
47
25V :RN-CP
16V
F:CHIP :AL-CP
R2810 0 :CHIP
R2802
68
:RN-CP
R2803
10
Q303 :RN-CP
2SC2412K
BUFFER
B-Y
C339 2.7
0.1
U SUB AD
25V B-Y
B:CHIP
R336
C355 2.0
33 R332
10
:CHIP 10V 330
:CHIP
:AL-CP
Q302
2SC2412K
BUFFER
C346
Y
2.4
0.1
25V
Y SUB AD
F:CHIP
Y
1.8
C338
0.1 R335 C354 R331
25V 33 10 220
B:CHIP :CHIP 10V :CHIP
:AL-CP
A5V-1
C337
0.1
25V
B:CHIP
FL305
CKD510JB1A105ST
EMI D3.3V-MID
C353
D3.3V-MID G
47
16V
:AL-CP
Q301
2.4 R-Y
2SC2412K
V SUB AD
BUFFER
2.0
Y/C
SUB Y/C
R330
330
:CHIP
B3
(A/D CONVERTER,PLL)
– 100 –
14
13 15
TO B3(3/4)
A5V-1
R825 R834
R2804 C850
100 56 120 0.01
:RN-CP :RN-CP :RN-CP B:CHIP
R826 R835
R2805 C834
68 390 68 0.1
:RN-CP :RN-CP :RN-CP 25V
F:CHIP
R2806 R827 R836 C835
22 15 22 0.1
:RN-CP :RN-CP :RN-CP
25V
F:CHIP
TO B3(1/4)
TO B3(1/4)
TO B3(3/4)
(4/4)
B-SS624.<AEP>-B3.-P4