Sony ZS-2000 (serv.man2) Service Manual ▷ View online
– 21 –
Pin No.
Pin Name
I/O
Pin Description
56
RMC
I
SIRCS remote control signal input from the remote control receiver (IC602)
57
NC
—
Not used
58
C-DATA
O
Serial data output to the CD DSP IC (IC702)
59
C-XLAT
O
Serial data latch pulse signal output to the CD DSP IC (IC702)
60
C-XRST
O
Reset signal output to the CD RF AMP (IC701), CD DSP IC (IC702)
61
C-SCOR
I
Sub-code sync (S0+S1) detection signal input from the CD DSP IC (IC702)
62
C-CLK
O
Serial data transfer clock signal output to the CD DSP IC (IC702)
63
AC-CHK
I
AC power supply detection signal input “L”: AC in
64
ST-IND
I
PLL IC tuned indicator input
65
RDS-CON
O
RDS decoder IC control signal output (Not used)
66 – 70
NC
—
Not used
71
C/T-CON
O
Clock receiver decoder IC control signal output
72,73
VDD
—
Power supply terminal (+3.3V)
74
A-MUTE
O
Audio muting on/off control signal output “H”: muting on
75
P-CON
O
Power on/off control signal output “L”: standby mode, “H”: power on
76
VR-CLK
O
Volume clock output.
77
VR-DATA
O
Volume clock output.
78
C/T TCO
I
Clock receiver signal input
79
CD
O
Function output for CD.
80
AL-CON
O
Melody IC control signal output
– 22 –
6-2. CIRCUIT BOARDS LOCATION
SWITCH (1) board
VOLUME board
SWITCH (2) board
H/P board
SPK (L) board
RETAINER (2) board
LINE board
TU board
SPK (R) board
REG board
POWER board
CONTROL board
PICK-UP RELAY board
LOADING board
MAIN board
CD board
FL board
LAMP board
– 23 –
– 24 –
ZS-2000
1
4
1
4
4
4
1
1
3
3
04
REG
Q300
5V
REG
IC307
3
1
IR
RECEIVER
IC502
1
6V
REG
IC308
3
1
6
1
5
3
2
4
8
3
7
5
4
7
9
6
22
7
4
22
9
9
7
7
8
8
10
10
6
6
4
2
4
3
1
5
6
32
3
3
20
2
2
21
18
18
63
15
15
7
2
75
6
3
56
4
5
16
3
6
14
5
4
17
2
7
13
1
8
15
3
3
4
4
6
6
9
9
7
7
6
2
3
4
6
6
8
56
63
62
61
60
64
P8V
P12V
POWER
CONT
Q309,310
RA6V
MO6V
AU5V
AU5V
AU5V
AU5V
POWER
CONT
Q303,304
FLUORESCENT
INDICATE
TUBE
FL501
POWER
CONT
Q359,361
P12V
AU12V
7
6
5
3
1
POWER
CONT
Q307,308
AU12V
5V
REG
IC305
AU5V
AU12V
35
34
CNP1
CNP306
CE
DATA
CLK
COUNT
MUTE
MUTE
CLOCK
SHIFT
Q801,
Q801,
Q802
TEX
TX
RADIO
XTAL
EXTAL
FL-CON
RY-CON
RY-CON
AC-CHK
P-CON
P-CON
RMC
DA
CP
CP
CS
FL RST
FL RST
CD-LAMP
R-SHIFT
31
38
A
MAIN
BOARD
(2/2)
REG BOARD
POWER BOARD (1/2)
FL BOARD
MAIN BOARD
(1/2)
(1/2)
CONTROL BOARD (1/3)
FL5V
12V
P12V
MO6V
AU12V
FLAC4.3V2
FLAC4.3V1
FL(-32V)
AC CHK
RY-CON
LAMP
BOARD
TU L-CH
Q357,358
P8V
CNP307
CN503
(1/2)
CN503
(2/2)
(2/2)
FL 5V
DA
VFDP
VDD
CP
CS
RESET
3
3
FL DRIVE
IC501
CN301
(1/2)
CN801
(1/2)
(1/2)
RADIO
X802
32.768kHz
X801
8MHz
T901
CN902
CNP301
Q305
CN310
CNP305
CN502
CN806
CN501
CN803
CN901
RY901
AC IN
3
2
LAMP
DRIVE
Q501
SYSTEM CONTROL
IC801(1/3)
• Signal path
: FM
: MW/LW
: FM
: MW/LW
1
18
2 3 4
11 12
20
19
CE
DI
CL
DO
AM IN
FM IN
XOUT
XIN
13
MO/ST
10
IF IN
LPF2/MO-ST
LPF1/BAND
ST-IND
OSC-OUT
7
BAND
8
ST-IND
LP-OUT
AM
OSC
AM
MIX
FM
MIX
FM
OSC
AM
RF-IN
RF-IN
FM
RF-IN
RF-IN
FM
RF-OUT
RF-OUT
X1
75kHz
PLL
IC2
14
17
13
18
16
15
11
12
19
20
22
4
6
7
10
2
21
24
T1
CF4
L2
L1
CT1
RA6V
RA6V
D4 D5
CT3
D3
T3
AM
FERRITE-ROD
ANTENNA
CT3,T3
AM
TRACKING
CT1,L1
FM
TRACKING
IF
BUFFER
AM
DET
FM
DET
IF CUT
AF
BUFFER
FM
MPX
MUTE
IF CUT
R-OUT
L-OUT
R-CH
RA6V
QUAD
FM/AM FRONT-END, IF DET,
FM STEREO DEMODULATOR
IC1
AM
FREQUENCY
COVERAGE
T4
RA6V
L4
CF2,3
RA6V
TU BOARD
RA6V
RA6V
FM OSC
AM OSC
MIX-OUT
AM
IF-IN
IF-IN
FM
IF-IN
IF-IN
IF-OUT
DET-OUT
MPX-IN
T2
L2
FM
FREQUENCY
COVERAGE
T1
AM IF
T2
FM IF
BPF
TM1
AM
ANTENNA
FM
ANTENNA
ANT1
FM
TELESCOPIC
ANTENNA
8
8
1
8
Q382
RELAY CONT
Q301,302
75
Ω
6-3. BLOCK DIAGRAM — TUNER SECTION —
(Page 27)
ZS-2000
– 25 –
– 26 –
6-4. BLOCK DIAGRAM — CD SECTION —
A
20
CN711
21
15
19
12
9
10
7
8
C
B
E
F
D
LD ON
SWITCH
Q701
LASER
DIODE
CONTROL
PD1
PD2
LD
PD
E
F
PD1
PD2
LD
PD
E
F
RF AMP
XRST
CLK
XLT
DATA
SENS2
SENS1
C. OUT
FOK
RF O
42
41
13
36
39
37
23
20
21
22
26
25
24
27
38
CD RF & SYSTEM SERVO PROCESSOR
IC701
TRACKING
PHASE
SLED
CTL
TE
AMP
FE
AMP
6
TEO
FEO
SLO
17
18
TRACKING
COIL
DRIVE
FOCUS
COIL
DRIVE
R+TR
FIN
SLED
MOTOR
DRIVE
SLIN
SPINDLE
MOTOR
DRIVE
SPI
MUTE
26
27
2
1
12
11
TRACKING
COIL
FOCUS
COIL
OPTICAL
PICK-UP BLOCK
(DAX-01A2)
M
M
M801
SLED
MOTOR
M790
LOADING
MOTOR
S790
(CLOSE)
S791
(OPEN)
M802
SPINDLE
MOTOR
S891
(LIMIT)
RF
FOK
CNIN
SEIN
DATO
XLTO
CLKO
XRST
MDP
XLON
SENS
SYSM
SPOA
DATA
XLAT
CLOK
35
18
11
10
12
13
14
79
21
15
17
6
62 7 8 9
65
53
1
76
70
71
DSP & D/A CONV.
IC702
X701
16.9344MHz
SENS1
SENS2
SENS2
SQSO
SQCK
SCOR
SQSO
SQCK
SCOR
DATA
XLAT
CLK
XRST
OP/CL
INPUT2
INPUT2
INPUT1
MUTE
04
4
3
1
2
CD BOARD
CONTROL BOARD (2/3)
LOADING BOARD
LINE BOARD (2/2)
6
CN708
2
3
3
CN701
D-OUT
1
CN403
CN712
9
CN706
SPOA
CN707
CN704
CN703
CN702
11
10
13
12
PD
LD
7
1
20
21
15
18
19
12
9
10
7
2
3
1
2
1
2
1
4
8
4
3
1
2
5
5
1
3
7
10
6
4
FOCUS
PHASE
PHASE
16
SL+
14
14
EFM
DEM
CLV
D/A
I/F
SERIAL
I/F
DIGITAL
FILTER
D/A
CONV
D/A
CONV
DIGITAL
OUT
5
4
57
SUB
CODE
DEM.
9
10
5
8
3
4
4
6
2
11
12
13
4
5
1
3
CN802
CN713
CN781
MO6V
MO6V
INPUT1
INPUT2
OP/CL
CN790
9
10
5
8
3
4
4
1
1
6
2
7
7
11
12
13
2
1
5
3
2
1
62
52
51
51
61
59
58
44
44
55
54
54
60
47
45
46
IC401
OPTICAL
DIGITAL
OUT(CD)
M
PICK-UP
RELAY
BOARD
B
MAIN BOARD
(2/2)
MO6V
CD 5V
R-CH
MO6V
CD 5V
AOUT1
AOUT2
D-OUT
XTAI
XTAO
CD L-CH
1
3
7
9
MOTOR
DRIVE
IC790
SLED/SPINDLE MOTOR
DRIVE
IC703
CD
SYSTEM CONTROL
IC801(2/3)
33
19
25
7
3
15
• Signal path
: CD
: CD
(Page 27)
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