1/8)(Rec/Pb Head Amp); Line-2 In) - Sony SLV-AX10 Service Manual

For schematic diagram
• Refer to page 4-23 for waveforms.
2 3
1
MA-370 BOARD(1/8)
NO MARK:REC/PB MODE
R :REC MODE
REC/PB HEAD AMP(RP BLOCK)
P :PB MODE
A
-REF.NO.:1000 SERIES-
XX MARK:NO MOUNT
EP CH2
B
EP CH1
CN260
11P:EXCEPT SLV-LX4/LX5
6P :SLV-LX4/LX5
SP CH2
EP CH2 F
11 11
EP CH2 S
10 10
C
EP CH1 F
9 9
SP CH2 F
SP CH1 8 8
SP CH2 S
7 7
SP CH1 F
6 6
GND(SW)
5 5
FE
AUDIO CH1 4 4
AUDIO CH1 H
3 3
AUDIO REC
2 2
D
AUDIO CH2 L
1 1
AUDIO CH2
EXCEPT:LX4/LX5
VIDEO HEAD
E
SIGNAL PATH
VIDEO SIGNAL
AUDIO
SIGNAL
CHROMA Y Y/CHROMA
REC
PB
F
16
MA-370N3S (LX4/LX5MX/LX5PA/
LX5PC/LX5VZ)
MA-370N3A (LX5CS/LX5CL)
MA-370N5S (LX6S/LX7SMX/LX7SPA/
LX7SPC/LX7SVZ)
MA-370N5A (LX7SCS/LX7SCL)
MA-370A8 (N80)
MA-370A7 (N70)
MA-370N7S (LX8SMX)
MA-370N7A (LX8SCS)
MA-370A5 (AX10/N50)
MA-370A6 (AX20/N60)
MA-370A6MX (N60U)
MF-319 (N70/N80/LX8S) VIDEO, AUDIO,
(POWER, EJECT SWITCH) SERVO/SYSTEM CONTROL,
TUNER, POWER SUPPLY
DM-89 (N70/N80/LX8S)
JK-178M (LX4/LX5)
(USER CONTROL)
JK-178H (LX6S/LX7S)
JK-178HV (AX10/AX20/N50/N60)
JK-178HVMX (N60U)
DI-74 (LX4/LX5/LX6S/LX7S)
JK-191 (N70/N80/LX8S)
DI-74V (AX20/N60)
(LINE 2 IN)
DI-74S (N70/N80/LX8S)
DI-74VMX (N60U)
(DIAL TIMER)
4 5 6
L270
100uH
C280
100u 10V
4.9
R272
R4.2/
6
1800
P4.9
0.5%
C279
R1.4/P0
0.1u B
C278
R3.9/
C277 0.022u
P2.0
XX B
JL260
JL261
C276
R271 R3.8/
0.1u
JL264 470 P2.0
B
JL265
R2.5/P0
C275
0.01u B
JL263
C274
R3.9/P2.0
JL262 XX
JL266
C273
R1.6/P2.0
XX
JL267
JL268 R1.6/P2.0
C272
JL269 R270 R2.5/
0.1u
470 P0
B
JL270
C271
R1.6/P2.0
0.01u B
C270
XX
4-7
7 8 9 10
B+
IC260 3
5
4
VIDEO REC/PB AMP
R3.2/
R273 0.60mm
P2.5
ALL 5V
C283
0.01u
R4.1/P0
R274 3900
B
R3.4/
R267
P0.4
0
C281
R276
0.01u B
6800
C282
R3.4/P0
0.01u B
R0/P1.6
C284
0.22u
R0/P2.6
B
0.3
R277
1.8
22k
R278
22k
0
R279
22k
SW30
R0.2/P0.5
VCC
H L R2.0/P4.2
C267 C286
C268
0.1u 100p
IC260 LA70011 XX
B CH
1 2
SLV-AX10/AX20/N50/N60/N70/N80/
LX4/LX5/LX6S/LX7S/LX8S
11 12 13
CN270 4P
C285
JL271
0.01u
1 HF ADJ
B
JL272
2 PB RF
CHECK
JL273
3 RF SWP
JL274
4 GND
JL277
VA1 REC CURR ADJ
JL278
VA2 REC H
JL279
VA3 REC C
1
VA4 REC Y RF TO(2/8)
JL280
VA5 PB RF
JL281
VS3
COMP SYNC
JL282
VA7
TRICK H
JL284
RS1 RF ENV
VS6 RF SWP
JL286 2
TO(3/8)
VS7 HA SWP
JL287
RS2 ENV SW
B+
SW_5V
3
TO(7/8)
GND (AN)
AU1 AUDIO CH2
AU2 AUDIO REC
4
AU3 AUDIO CH1
TO(4/8)
GND
(AN)
HS5 AF ENV
4-8
REC/PB HEAD AMP
MA-370 (1/8)