Sony CA-550 - TR-90 Board Block Diagram

6-3
CA-550
CA-550P
6-3
TR-90 BOARD
TR-90 TR-90
TR-90 BLOCK
CA-550
CA-550P
AU, 1-49
1-50
INCOM (X)
AU, 1-33
1-34 MIC 1 (X)
AU, 1-27
1-28
MIC 2 (X)
AU, 1-15
1-14
CHU DATA IN
MB, 31-2
1-80
TONE CTRL IN
DC IN, CN105
1-84
EXT DC IN
MB, 3-59
1-59
MB, 3-60
1-60
RET CONT, 109-1
SW784, 605-9
1-65
IN TALK ON
IN TALK ON
1-66
1-93
+7.5V
1-94
+7.5V
1-91
INCOM +7.5V
INCOM +7.5V
1-92
1-87
POWER SAVE IN
POWER SAVE IN
1-88
1-89
+5V
1-90
+5V
VTR, 111-1,
2, 3, 4
Q203
Q24
Q25
1
2
8
IC2, X1
OSC
32.768KHz
10 4
512Hz
102.4Hz
IC3
CK
C
Q6
COUNTER
COUNTER
Q5
RS
4
11
5
14 13
Q19
IC6 Q22
Q5
BUFF
BUFF
+5V
Q135
REG
CONT
IC7, Q136, 137, C283
MUTING
+7.5V
REG
IC7, Q139
+7.0V
INCOM +7.0V
RV3
MIC2 DEV
RV2
MIC1 DEV
LV1
7.1M:FREQ ADJ
LV2
6.2M:FREQ ADJ
LV3
6.7M:FREQ ADJ
RV1
INCOM DEV
AMP
AMP
AMP
AMP
AMP
AMP
Q142
Q141
Q143
Q1
FREQ
MOD
Q13
FREQ
MOD
Q4
Q3
Q15
Q6
7.1MHz
BPF
CF1
6.2MHz
BPF
CF2
6.7MHz
BPF
5.6MHz
BPF
CF3
FREQ
TP1
TP2
TP4
LV4
5.6M:FREQ ADJ
Q20
FREQ
MOD.
Q21
AMP
CF4
TP5
Q7-12

DRIVER
TP3
FL200

LPF
Q200, 201

AMP
TP200
CF200, 201
4.3MHz
BPF
Q204

BUFF
CF202, 203
3.6MHz
BPF
FL201
3.0MHz
BPF
Q206

BUFF
1
1
IC206
FM
DEM.
AUDIO
OUT
IF
IN 1
T200 T201
4.3MHz
TUNING 1
4.3MHz
TUNING 2
TP203
Q205

LPF
8
8
IC207
FM
DEM.
AUDIO
OUT
IF
IN 1
282
7
10
IC200
FM
DEM.
AUDIO
OUT
SG
OUT
IF
IN 1
T202 T203
3.6MHz
TUNING
3.6MHz
TUNING
TP204
Q207

LPF
TP201
TP206
IC201, Q202

AMP
LV200
3.0M TUNE
RV200
H. CONT LEVEL
LV201
2.5M TUNE
FL202
2.5MHz
BPF
2
10 5
82
IC202
FM
DEM.
AUDIO
OUT
IF
IN 1
Q144
IC204

AMP
7
+7.5V
3
1
1
7
2
6
IC204
DC
ADD.
IC205
D201
LIMITER
Q23
IC1, Q16-18
RF
DETECT
+7.0V
7
1
IC1
P.ON
MUTE
2
1
1
2
5
4
4
4
AU, 1-411-42
TALK MUTING CONT
AU, 1-21
MB, 3-11
TR DIAG
OUT
1-22
INCOM MUTE OUT
1-82H. CONT OUT
1-81H. CONT OUT
AU, 1-5
CN1190,
201-29
1-6CCU DATA OUT
AU, 1-751-76INCOM 1 OUT (X)
AU, 1-691-70PGM OUT (X)
MPX
FILTER
1-53AUDIO RF I/O
AU, 1-17,
DM98, 1-6
1-9CCU CONNECT
1-11EXT / CCU
1-10TR IRIS OUT
CA550-TR90BLOCK#1/M
NTSC / PAL
NTSC / PAL
(1/64)
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