Sony PMC-107L / PMC-20L Service Manual ▷ View online
– 41 –
• IC Block Diagrams
IC1 TA2008AN
IC2 BU2615S
IC301 TA2068N
IC302 BH3854AFS
IC303 LA4597
AM
OSC
AM
RF
BUFF
FM
OSC
FM
MIX
AM
MIX
AM
DET
FM
DET
ST
DET
AGC
FM RF IN
GND1
MIX OUT
AGC
VCC2
FM IF IN
AM IF IN
GND2
QUAD
ST IND
L OUT
R OUT
AM RF IN
FM RF OUT
AM OSC
FM OSC
VCC1
OSC OUT
IF OUT
DET OUT
MPX IN
LPF1/BAND
LPF2/MO-ST
VCO
AM/FM
ST/MONO
SW
LEVEL
DET
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
BUFF
IF
BUFF
BUFF
AF
BUFF
BUFF
FM
IF
IF
AM
IF
IF
FM
RF
MUTE
FM
MPX
1/8 DIV
REFERENCE
DIVIDER
PHASE
DET
PRESCALER
22
2
1
4
5
6
7
8
9
10
11
SHIFT REGISTER LATCH
I/O
CTL
IF
COUNT
CTL
20 BIT
COUNT
MAIN
COUNT
UNLOCK
XOUT
VSS
PD1
VDD1
VDD2
FMIN
AMIN
P2
IFIN
P6
PD2/P5
XIN
CE
3
NC
CK
DA
CD
P0
P1
P3
P4
BUFFER
21
NC
20
19
18
17
16
15
14
13
12
1
2
3
6
9
10
11
12
8
7
4
5
22
TAPE
TAPE
TAPE
BUF AMP
A1
BUF AMP
A2
NAB
AMP1
NAB
AMP2
23
24
15
14
13
21
20
17
16
RADIO
BUF AMP
B1
BUF AMP
B2
MUTE
MUTE
ON
ON
ON
7dB
26dB
26dB
MONITOR
AMP
LOGIC
18
19
MUTE
7dB
MONITOR
AMP
LINE
TAPE
RADIO
LINE
ALC2
ALC1
DET
REC
AMP1
REC
AMP2
2.1
REF
AMP
MIC
AMP1
LINE
IN1
IN1
INT
EXT
RADIO
IN1
EXT
RADIO
IN1
REC
PLAY
PLAY
PRE
OUT1
OUT1
PRE
OUT2
OUT2
RADIO
LINE
LINE
RADIO
IN2
IN2
LINE
IN2
IN2
MIC
IN
IN
TAPE
TAPE
TAPE
VCC
ALC
NAB
OUT1
NAB
NF1
REC
OUT1
NAB
IN1
VREF
GND
NAB
IN2
REC
OUT2
NAB
NF2
NAB
OUT2
MIC
NF
4
5
6
7
8
9
10
11
12
13
14
15
16
TONE
VR
MATRIX
SURROUND
CONTROL
1
2
3
AGND
IN1
NF1
BVN1
BIN1
BVO1
TIN1
TVO1
OUT1
VCC
SC
PORT1
PORT2
PORT3
PORT4
DGND
24
23
22
21
20
19
18
17
TONE
VR
FILTER
IN2
IN2
NF2
BVN2
BIN2
BVO2
TIN2
TVO2
TVO2
OUT2
VC
TC
BC
CK
DATA
DATA
LATCH
VREF
32
31
30
29
28
27
26
25
8
7
6
5
4
3
2
1
9 10 11 12 13
CH-1
CH-2
T.S.D
GND
GND
BIAS
CIRCUIT
STANDBY
SWITCH
– 42 –
IC701 CXA1782BQ
36
35
34
33
32
31
30
29
28
27 26 25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
37
38
39
40
41
42
43
44
45
46
47
48
PHD 2
PHD 1
PHD
LD
RF O
RF I
CP
CB
CC1
CC2
FOK
SENS
C.OUT
XRST
DATA
XLT
CLK
VCC
ISET
SL O
SL M
SL P
TA O
TA M
FSET
TG2
TGU
SRCH
FE O
FLB
FGD
FDFCT
FE M
FEI
FEO
FE BIAS
F
E
EI
VEE
TED
LPFI
TEI
ATSC
TZC
TDFCT
VC
APC
LEVEL S
FOK
MIRR
RF IV AMP1
RF IV AMP2
FE AMP
TTL
IIL
FZC COMP
DFCT
IIL
TTL
IIL DATA REGISTER
INPUT SHIFT REGISTER
ADDRESS DECODER
OUTPUT DECODER
TTL
IIL
TOG1-3
BAL1-3
FS1-4
TG1-2
TM1-7
PS1-4
F IV AMP
E IV AMP
BAL1
BAL2
BAL 3
TE AMP
TZC COMP
DFCT
TM1
DFCT
FS4
ATSC
WINDOW COMP
TOG1
TOG2
TOG3
FCS PHASE
COMPENSATION
FS1
F SET
TG2
TM7
TM3
TM4
TM5
TM6
ISET
TRACKING
PHASE
PHASE
COMPENSATION
HPF COMP
LPF COMP
TG1
FS2
TM2
RF M
– 43 –
IC702 CXD2507AQ
IC704 SM5877AM
IC703 BA5930FP
XLON
SPOD
SPOC
SPOB
SPOA
CLKO
VDD
CNIN
SEIN
CLOK
XLAT
XLTO
DATO
52
53
54
55
56
57
58
59
60
61
62
63
64
51
SERVO AUTO
SEQUENCER
SEQUENCER
33
34
35
36
37
38
39
40
41
42
43
45
46
47
48
49
50
44
DATA
XRST
SENS
MUTE
SQCK
SQSO
EXCK
SBSO
SCOR
VSS
WFCK
EMPH
DOUT
C4M
FSTT
XTSL
XTAO
XTAO
XTAI
MNTO
20 21 22 23 24 25 26 27
29 30 31 32
28
LRCK
PCMD
BCLK
GTOP
XUGF
XPCK
VDD
GFS
RFCK
C2PO
XROF
MNT3
MNT1
1
2
3
4
5
6
7
8
9
9
10
11
12
16
17
18
19
13
14
15
FOK
MON
MDP
MDP
MDS
LOCK
TEST
FILO
FILI
PCO
VSS
VSS
AVSS
CLTV
AVDD
RF
BIAS
ASYI
ASYO
ASYE
WDCK
5
14
CPU
INTERFACE
SUB CODE
PROCESSOR
DIGITAL
CLV
EFM
DEMODULATOR
DIGITAL
PLL
ASYMMETRY
CORRECTOR
CORRECTOR
5
D/A
INTERFACE
ERROR
CORRECTOR
3
6
3
16K
RAM
DIGITAL
OUT
CLOCK
GENERATOR
4
1
2
3
4
5
6
7
8
9
10
11
12
13
13
14
28
27
26
24
23
22
21
20
19
18
17
16
15
25
LEVEL
SHIFT
LEVEL
SHIFT
LEVEL
SHIFT
D.BUF
D.BUF
LEVEL
SHIFT
D.BUF
D.BUF
D.BUF
GND
F–
F+
FIN
NC
VREF
VCC
VCC
NC
TIN
T–
T+
VREF
SPI
SL–
SL+
SLIN
NC
NC
NC
MUTE
GND
SPIN
NC
SP–
SP+
GND
SPO
D.BUF
D.BUF
D.BUF
REGULATOR
DRIVER-
MUTE
VCC
VCC
ATTENUATION COUNTER
FILTER PROCESSOR &
ATTENUATION PROCESSOR
NOISE SHAPER
PROCESSOR BLOCK
INPUT INTERFACE
PWN DATA
PRODUCE
BLOCK
TIMING
CONTROL
1
2
3
4
5 6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
MUTE
DEEN
CKO
DVSS
BCKI
DI
DVDD
LRCI
TSTN
TO1
AVDDL
LO
AVSS
RO
AVDDR
MUTE
XVDD
XTI
XTO
XVSS
DS
RSTN
MODE
ATCK
L
L
L
R
R
R
– 44 –
SECTION 6
EXPLODED VIEWS
NOTE:
• The mechanical parts with no reference
number in the e xploded vie ws are not supplied.
• Items mar ked “*” are not stoc ked since
the y are seldom required f or routine ser vice.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• Abbreviation
EE
: East European model
• -XX and -X mean standardized parts, so
the y ma y ha ve some diff erence from the
original one.
original one.
• Color Indication of Appear ance P ar ts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Par ts Color Cabinet’ s Color
Ref. No.
Part No.
Description
Remark
6-1. REAR CABINET SECTION
N
N
Ref. No.
Part No.
Description
Remark
• Accessories and packing materials and
hardware (# mark) list are given in
the last of this parts list.
the last of this parts list.
1
4
3
5
2
7
6
#3
#2
#2
#2
#2
IC303
Q308
Q310
#2
#1
T901
F901
F902
not supplied
not
supplied
supplied
#4
#4
#4
#1
#1
The components identified by
mark
mark
! or dotted line with mark.
! are cr itical for saf ety.
Replace only with part number
specified.
Replace only with part number
specified.
* 1
A-3293-970-A MAIN BOARD, COMPLETE (EXCEPT EE)
* 1
A-3293-990-A MAIN BOARD, COMPLETE (EE)
2
3-703-244-00 BUSHING (2104), CORD
! 3
1-575-651-21 CORD, POWER
4
3-025-492-01 CABINET (REAR)
5
3-026-310-01 FOOT
6
3-703-044-26 LABEL, FUSE WARNING
* 7
1-670-425-11 POWER BOARD
! F901
1-532-284-00 FUSE, TIME-LAG (T630mAL/250V)
! F902
1-576-107-11 FUSE, TIME-LAG (T3.15AL/250V)
IC303
8-759-820-22 IC LA4597
Q308
8-729-021-82 TRANSISTOR 2SD2396K
Q310
8-729-141-83 TRANSISTOR 2SB1094-LK
! T901
1-431-972-11 TRANSFORMER, POWER
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