Sony XTL-6100 (serv.man2) Service Manual ▷ View online
– 15 –
– 16 –
XTL-6100
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
2-5. SCHEMATIC DIAGRAM — TUNER MAIN SECTION (2/3) — • Refer to page 19 for IC Block Diagrams.
•
C
: panel designation.
•
S
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC (CN4).
• Voltage is dc with respect to ground under no-signal
condition.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
L
: VIDEO
F
: AUDIO
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
(P
age 14)
(Page 17)
1
A
B
C
D
E
F
G
H
2
3
4
5
6
7
8
9
10
11
12
13
14
– 17 –
– 18 –
XTL-6100
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
C
: panel designation.
•
S
: B+ Line.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC (CN4).
2-6. SCHEMATIC DIAGRAM — TUNER MAIN SECTION (3/3) — • Refer to page 20 for IC Block Diagrams.
• Voltage is dc with respect to ground under no-signal
condition.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Signal path.
L
: VIDEO
F
: AUDIO
(P
age 14)
(Page 15)
– 19 –
• IC Block Diagrams
IC1 PST9145NR
IC13 LA7565EM
IC3 BA6161F
IC17 MA1108XF
IC27, 28 BA3121F
IC14 TC74HC4052AF
IC50 AT24C01
5
1
2
3
4
COMP
+
–
NC
SUB
GND
VCC
OUT
BLOCKING
OSCILLATOR
8
7
6
5
1
2
3
4
FB
NC
NC
GND
DRIVE
NC
NC
VCC
FM
DET
MIX
HPF
HPF
RF
AGC
EQ
AMP
IF
AGC
VIDEO
DET
VIF
AMP
LIM
AMP
AGC
1st
DET
FFT
HPF
HPF
VCO
1stT
SMP
24
23
22
21
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
9
10
11
12
2nd SIF IN
BIAS FILTER
MIX OUT
CER. OSC
Vcc
VIDEO OUT
EQ FILTER
EQ IN
APC FILTER
V DET OUT
VCO COIL
VCO COIL
FM DET OUT
FM FILTER
1st SIF OUT
RF AGC VR
GND
VIF IN
VIF IN
IF AGC
FILTER
1st SIF
AGC FILTER
1st AGC OUT
RF AGC OUT
AFT OUT
2
3
4
1
7
6
5
8
VCO
V SYNC
SEP
SYNC
SEP
PHASE
COMP
H. SYNC
V. SYNC
VIN
GND
VCC
SC
VCO
LPF
3V
AMP
8
4
3
2
1
OUT1
VM1
IN1
GND
VCC
OUT2
VM2
IN2
AMP
7
6
5
1
5
2
4
3
6
7
8
SELECT A
SELECT B
3
2
1
0
3
2
1
0
INH
Y1
Y3
Y
Y1
Y0
VEE
VSS
X3
X0
X
X1
X2
VDD
A
B
9
12
14
15
11
16
13
10
LOGIC
DOUT/ACK
ADDRESS/COUNTER
DATA WORD
Y DEC
SERIAL MUX
EEPROM
DATA REGISTER
X DEC
H. V. PUMP/TIMING
LOGIC
CONTROL
SERIAL
R/W
INC
LOAD
EN
LOGIC
STOP
START
3
6
2
5
1
7
8
4
DIN
DOUT
VCC
TEST
SCL
SDA
NC
NC
NC
GND
– 20 –
IC18, 26 TC4053BF
IC31 MSM5258M
IC24 CXA1585Q
IC33 TA2005SN
1
2
3
4
5
6
7
8
B1
B0
C.COM
CO
INH
VEE
VSS
VDD
B.COM
A.COM
A1
A0
A
B
C
C1
9
10
11
12
13
14
15
16
OPEN
OPEN
OPEN
SHARPNESS
CLP
BLK
ACK
ACK
DET
DET
Y CLP
SYNC
SLICE
SYNC
SEP
PAL
ID
BURST
GATE
CHROMA
AMP
DL
AMP
FF
INV
PS
HUE
APC
VXO
ACC
ACC
DET
DET
ADD/SUB
SW
DEM
SIG
AMP
PULSE
GEN
APL
DET
DET
APL
AMP
19
18
17
16
15
13
12
14
11
10
9
21
22
20
3
1
32
31
30
27
26
25
28
29
2
4
5
7
6
8
24
23
Y/C
MIX
0
°
90
°
G OUT
R OUT
DLA IN
C OUT
ACK TC
DLA BIAS
SYNC
Y CLP TC
APL CTL
APL TC
SYNC TC
CLP TC
VREG
SYNC IN
Y IN
BF
VCC1
GND1
SHP CTL
SHP F0
TP ADJ
C ADJ
ACC TC
C IN
HUE ADJ
APC TC
VXO2
VXO1
SC OUT
GND2
VCC2
B OUT
B-Y
R-Y
V. DECODER
1/525, 1/625
V. COUNTER
V. COUNTER
1/19
H. COUNTER
1/2
1/6
1
2
3
4
5
6
7
8
RESET
VD
COMP.SYNC
VDD
PAL/NTSC
XT
XT
VSS
12
11
10
7
6
5
4
3
2
1
8
9
LPF
HPF
VCA
REF
TRIGGER
GATE
PULSE
DET
PILOT
CANCEL
BUFF
BUFF
BUFF
BUFF
INV
AMP
PILOT
IN
LPF
OUT
OUT
GATE
REF
+B
GND
PW
AGC
BYPASS
NF
IN
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