Sony PLM-A55E, Service Manual

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PLM-A55
• IC Block Diagrams
IC504 BA3574BFS-E2 (SA-52P Board)
IC101 µPD6454GT-628-E3 (YM-11P Board)
IC501 M5222FP-E1 (SA-52P Board)
MUTE MUTE SW
11
P.SW
PW SW 12
IN 1 13
IN 2 14
BIAS OUT 15
BIAS IN 16
RF OUT 17
RF IN 18
BEEP IN 19
V
CC
20
RIPPLE
FILTER
BEEP
10
9
8 BB SW
7
6
5
4
3
2
1
MUTE
LP
MUTE SW
AVC
AVC IN
AVC DET
MIX OUT
OUT 1
VREF
OUT 2
GND
1
2
3
4
8
7
6
5
VCC
OUT2
IN2
CONT
OUT1
IN1
INH
GND
vco
24 23 22 21 20 19
SSCR SSIN VBS 2 AFDI AGND AFDO
MODE
SWITCHING
SYNC
PROTECTION
CIRCUIT
SYNC
SIGNAL
GENERATOR
SYNC
SEPARATOR
CIRCUIT
18
VCNT
17
VBSO
16
AVDD
15
HSYO
14
VSYO
13
SDE
VERTICAL
ADDRESS
COUNTER VERTICAL
POSITION
COUNTER VERTICAL
SIZE
COUNTER
VERTICAL
ADDRESS
REGISTER
HORIZONTAL
ADDRESS
COUNTER
HORIZONTAL
POSITION
COUNTER
HORIZONTAL
SIZE
COUNTER
WRITE
ADDRESS
COUNTER
HORIZONTAL
ADDRESS
REGISTER
CHARACTER
SIZE
REGISTER
VIDEO RAM
CHARACTER
DATA
8 BIT x 288 WORD
TIMING
GENERATOR
DATA INPUT
SHIFT
REGISTER
SHIFT
REGISTER
INSTRUCTION
DECODER
DISPLAY
CONTROLLER
DATA
REGISTER
EXTERNAL/
INTERNAL
REGISTER
NTSC/PAL
REGISTER OSCILLATOR
CIRCUIT
CRYSTAL
OSCILLATOR
CIRCUIT
1
CLK
2
CS
3
DATA
4
DV
DD
5
OSC OUT
6
OSC IN
7
PCL
8
XOSC O
XOSC I
10
DGND
11
VC
12
VBLK
CONTROL
SIGNAL
9
RESET
BACKGROUND
CONTROLLER
DATA
REGISTER
OUTPUT CONTROLLER
CHARACTER
GENERATOR ROM
12 x 18 BIT
x
256 WORD
BLINKING
DATA
1 BIT x 288 WORD
DATA SELECTOR
IC201 CXA1950Q-T4 (YM-11P Board)
IC103 MC141628FUEB (YM-11P Board)
TB4 TB5 TB6 TB7 RBT VIN CLOUT
CLC
PLL SEL
BYPASS
IBIAS
PAL/NTSC
TEST
CLK IN
DVDD
PCOUT
DGND
TB3
TB2
TB1
TB0
ADVDD
ADGND
2
1
13
11
10
9
12
14
15
16
28
30
31
32
29
27
26
25
20
19
18 23 24 22 21 17
4 3
5 8 7 6
A/D CONVERTER
D/A
CONVERTER
CONTROL
LOGIC
APCF-I
PROCESSING
MODE
CONTROL
LOGIC
2H/1H
BIAS
CONTROL
LOGIC
CLOCK
GENERATOR
CLAMP
RTP
VCOVDD
BIAS
OSCV
DAGND
YOUT
DAVDD
COUT
DAREF
OUTSW VREG VCLPTC ALTOUT ACKOUT SYNCTC YCLPTC
DLABIAS
ACKTC
COUT
G/Y
R-Y
G-Y
B-Y
DLAIN
R/R-Y
ACCTC
VCC1
GND1
SHPCTL
SHPF0
TPADJ
CADJ
BF
SYNC
2 1
13
11
10
9
12
14
15
16
28
30
31
CIN 32
29
27
26
25
20 19 18 23 24 22 21 17
4 3 5 8 7 6
SYNC
SEPARATOR
PULSE
GENERATOR
SIGNAL
AMP
ACK
DET
CHROMA
AMP
PAL ID
ACC
DET
BURST
GATE
DL
AMP
ADD/SUB
SWITCH
DEM
VSL
YCLP
ACK BLK
FF
INV ACC
PG HUE
APC
VXO
SW
SW
MIX
MIX
VCLP SHP
VIDEO IN
HUEADJ
APCTC
VXO2 VXO1
SCOUT
GND2
VCC2
B/B-Y
0
°
90
°
IC202 MB88346BPFV-EF (YM-11P Board)
IC402 MB88346BPFV-EF (RG-46P Board)
+ –
8 BIT
D/A CONVERTER
8 BIT
LATCH
2
1
+ –
8 BIT
D/A CONVERTER
8 BIT
LATCH
3
+
–
8 BIT
D/A CONVERTER
8 BIT
LATCH
4
+
–
8 BIT
D/A CONVERTER
8 BIT
LATCH
5
+
–
8 BIT
D/A CONVERTER
8 BIT
LATCH
6
+
–
8 BIT
LATCH
7
+
–
8 BIT
D/A CONVERTER
8 BIT
D/A CONVERTER
8 BIT
LATCH
8
+
–
8 BIT
D/A CONVERTER
8 BIT
LATCH
9
10
D0-D7
D0-D7
D0-D7
D0-D7
D0-D7
D0-D7
D0-D7
D0-D7
VSS
A03
+ –
A04
A05
19
20
18
17
GND
A02
A01
DI
A06
A07
A08
A09
A010
VDD
16
15
14
13
12
11
CLK
LD
D0
A012
A011
VCC
ADDRESS
DECORDER
8 BIT
D/A CONVERTER
8 BIT
LATCH
8
7
6
5
4
3
2
1
1-12
D2
D1
D0
D11
D10
D9
D8
D7
D6
D5
D4
D3
12
D0-D7
+ –
8 BIT
D/A CONVERTER
8 BIT
LATCH
11
D0-D7
+
–
8 BIT
D/A CONVERTER
8 BIT
LATCH
10
D0-D7
+ –
8 BIT
D/A CONVERTER
8 BIT
LATCH
9
D0-D7
IC301 MB3785APFV-G-BND-ER (YM-11P Board)
CD2
CA2
40
42
43
44
48
3
37
38
39
41
RE
D
RE
C
45
46
47
RE
B
RE
A
36 35 34 33 32 31 30 29 28 27 26 25
CD 1 CC 2 CC 1
SCP:D
D
C
24
23
4 5 2 1
SAW
OSC
CT
RT
XTAL
XTAL
SCP:B
V
CC
VOLTAGE
REFERENCE
+2.5V
22
21
20
SCP:C
CT SCP
CTL C/D
CTL B
POWER CONT
19
18
17
16
15
14
13
B A
6 7 8 9 10 11 12
SCP:A
CB 1 CB 2 CA 1
A
B
C
D