Sony CDC-X237, Service Manual

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28 28
CDC-X237/X437
IC201 LA9241M (SERVO Board)
3-13. IC BLOCK DIAGRAMS
IC501 TA8272H (MAIN Board)
IC401 LC75421M-TLM-E (MAIN Board)
IC203 LA6557H-TE-L (SERVO Board)
1
2
3
4
5
6
7
8
9
10
11
15
16
12
14
13
17 18 21 22 23 24 25 26 27 28 29 30 31 32
33
34
35
37
38
39
40
41
42
43
44
45
46
47
48
49 50 51 52 53 54 55 56 57 58 62 63 59 60 64 61
19 20
I/V
LSC
RF AMP
TE
F.SERVO & F.LOGIC SPINDLE SERVO SLED SERVO
∞ COM
INTERFACE
APC REF
RF DET
T.SERVO & T. LOGIC
VCA
VCA BAL
VCC1 LDS LDD BHI LF2 PH1 VR VCC2 FSS DRF CE DA
T
CL CLK DEF REFI
FIN2
FIN1
E
F
TB
TE
TESI
SCI
TH
TA
TD-
TD
JP
TO
FD
FD-
FA
FE-
FE
FA-
AGND
NC SP
SPG
SELQ
SLD
SP-
SPD
SL- SL+
JP-
TE-
NC
TBC
FSC
DGND
SLI
SLC
RFS-
RFSM
CV-
CV+
SLOF
36
HFL
TOFF
TES
TGL
JP+
28 27 26 25 24 23 22
1 2 3
21 20 19 18 17 16 15
SIGNAL
SYSTEM
POWER
MUTE INPUT
LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT LEVEL SHIFT
OUTPUT
CONTROL
THERMAL
SHUTDOWN
4 5 6 7 8 9 10 11 12 13 14
REV
VCC2
V05-
V05+ V04+
V04-
V03+
V03-
V02+
V02-
V01+
V01-
VCC1
VIN1
VIN1G
FWD S-GND MUTE VCC-S VREF-IN REG-OUT REG-IN VIN3G VIN3 VIN2G VIN2 VIN4 VIN4G TAB2
TAB1
CH1 CH2 CH3 CH4 CH5
CH1,2
POWER
CH3,4,5
POWER
LROUT
LFOUT
+
–
+
–
+ –
4
VSS
3
CE
DI
5
7
+ –
9
6
LFIN
LOUT
12 LIN
AUX(L)
TUN(L)
L3
CD(R)
R3
TUN(R)
VREF
AUX(R)
CD(L)
L1 R1
LSELO
LBASS1 10
+
–
13
14
15
16
17
18
+
–
LTRE 11
LSB
LBASS2
8
RROUT
RFOUT
34
33
31
29
32 RFIN
ROUT
26 RIN
RSELO
RBASS1 28
25
24
23
21
RTRE 27
RSB
RBASS2
30
+ – + –
+
–
+
–
+ –
+ –
+
–
2
1
VDD 35
CL 36
CCB
INTERFACE
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
LVREF RVREF
+
–
22
20
19
15 4
19 17 23 21 9 7 5 3 18
14 11 12
10
24 8 2
16
25
1
6
20
13
22
V REF
PRE GND
FR(-) GND FR(+) RR(-) GND RR(+) RL(+) GND RL(-) FL(-) GND FL(-)
AUX IN
DIAGNOSIS
OUT
VDD
MUTE ST-BY FR RR RL FL
VDD
TAB