Sony ZS-M50 Service Manual ▷ View online
– 94 –
r
IC Block Diagrams – Tuner Section –
IC1 TA2008AN
IC2 LC72137M-TLM
21
22
23
24
2
3
5
4
6
7
8
9
10
1
11
12
13
14
15
16
17
18
19
20
AM
RF
FM
RF
BUFF
BUFF
IF
BUFF
AF
BUFF
FM MPX
FM
MIX
FM
IF
AM
IF
AM
MIX
AM
DET
1/8DIV
MUTE
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
FM
DET
ST
DET
LEVEL
DET
AM
OSC
FM
OSC
AM/FM
ST/MONO
SW
OCB
I/F
1
CE
2
RD
3
CK
4
CD
16
PD
VSS
15
VDD
14
13
MO/ST
20
X OUT
18
LP-OUT
17
LP-IN
19
X IN
5
LW
-L
6
MW
-L
7
BAND
8
S
T-IND
9
FM-L
DATA SHIFT REGISTER
LATCH
UNIVERSAL
CONTROLER
SWALLOW COUNTER
1/16. 1/17 4 BITS
12 BIT PROGRAMBLE
DIVIDER
UNLOCK
DETECTOR
PHASE DETECTOR
CHARGE PUMP
FILTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
10
IF-IN
12
FM-IN
AM-IN
11
– 95 –
SECTION 7
EXPLODED VIEWS
NOTE :
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
one.
• Color indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ••• (RED)
KNOB, BALANCE (WHITE) ••• (RED)
↑
↑
Parts color Cabinet's color
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
delay should be anticipated when ordering
these items.
• The mechanical parts with no reference
number in the exploded views are not
supplied.
supplied.
• Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
7-1. REAR CABINET SECTION
The components identified by mark
!
or dotted line with mark
! are critical
for safety.
Replace only with part number specified.
Replace only with part number specified.
* 1
A-3323-154-A TUNER BOARD, COMPLETE
2
1-533-217-31 HOLDER, FUSE
3
3-027-686-01 TERMINAL BOARD, ANT
4
3-028-895-01 TERMINAL (-), BATTERY
* 5
1-671-314-21 BATT BOARD
6
3-031-100-01 PACKING (BATTERY)
7
3-028-894-01 TERMINAL (+), BATTERY
* 8
1-671-313-21 POWER BOARD
* 9
3-028-880-01 HEATSINK (DIODE)
* 10
3-027-669-01 SHASSIS, TRANSFORMER
* 11
3-378-433-01 CUSHION, SARANET
12
3-027-681-01 TERMINAL (+/-), BATTERY
13
3-027-673-01 LID,BATTERY CASE
14
3-027-670-01 HANDLE
15
3-030-768-01 COVER, HANDLE
16
X-3377-153-1 CABINET (REAR) SUB ASSY
17
3-033-657-01 SOUND CUSHION,(1)
18
3-029-907-01 FOOT, RUBBER
* 19
1-675-236-21 ANTENNA SW BOARD
ANT1
1-754-023-11 ANTENNA, TELESCOPIC
D901
8-719-302-38 DIODE RBV-602-01
! F901
1-532-467-51 FUSE (T0.315AL/250V)
! F902
1-532-505-51 FUSE (T5AL/250V)
! F903
1-532-499-51 FUSE (T0.4AL/250V)
! F904
1-532-388-51 FUSE (T2AL/250V)
! T901
1-433-781-11 TRANSFORMER, POWER
#10
#10
#10
#10
#11
#10
#8
#10
#20
#18
#18
#5
#5
#5
#5
#5
#5
#5
#12
#9
D901
T901
F901
F902
F903
F904
1
8
2
2
2
2
9
10
7
5
6
4
12
11
13
14
15
16
18
ANT1
not
supplied
supplied
3
19
#5
17
– 96 –
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
X-3377-217-1 CABINET (FRONT) SUB ASSY
52
3-032-945-01 SHEET (FRONT), ELECTROSTATIC
55
3-027-653-01 PLATE (JOG), LIGHT GUIDE
56
3-027-660-01 DIAL, JOG
57
3-031-099-01 SHEET (JOG)
58
X-3376-532-3 FRONT PANEL SUB ASSY
59
3-027-658-01 WINDOW, LCD
60
3-939-014-01 WINDOW, RAY CATCHER
61
3-027-659-01 DUCT
62
3-028-879-01 PLATE (JOG), RETAINER
* 63
A-3323-161-A CONTROL (F) BOARD, COMPLETE
SP301
1-505-829-11 SPEAKER (8cm) (L-CH)
SP302
1-529-130-11 SPEAKER (8cm) (R-CH)
7-2. FRONT CABINET SECTION
#5
#5
#5
#5
#5
#19
#5
#13
#13
4
C
4
A
4
D
4
B
#13
#14
#13
SP301
SP302
(including
4
A–
4
D)
51
59
55
58
56
57
63
62
60
61
52
4
A : Control (R) board
4
B : Control (F) board
4
C : JOG board
4
D : Control (L) board
Ver 1.2 1999. 12
– 97 –
* 101
1-671-318-21 LINE BOARD
102
4-931-757-31 SCREW(DIA.2.6X8)(IT3B),TAPPING
* 103
3-378-400-01 CUSHION, SARANET
* 104
3-027-672-01 HOLDER, LCD
* 105
1-671-477-21 BL BOARD
* 106
1-671-317-21 LCD BOARD
* 107
A-3323-158-A AUDIO BOARD, COMPLETE
* 108
3-032-904-01 COVER (HEAT SINK)
* 109
3-027-671-01 CHASSIS (MAIN)
* 110
A-3323-157-A MAIN BOARD, COMPLETE
111
3-030-485-01 PLATE (RESET)
112
3-028-779-01 PLATE, BOTTOM
* 113
3-028-797-01 BRACKET (LINE)
114
1-783-958-11 WIRE, PARALLEL (FFC) (11 CORE)
115
1-783-957-11 WIRE, PARALLEL (FFC) (8 CORE)
116
1-783-956-11 WIRE, PARALLEL (FFC) (9 CORE)
117
1-783-960-11 WIRE, PARALLEL (FFC) (26 CORE)
118
4-933-134-41 SCREW (+PTPWH 2.6X5)
* 119
3-028-798-01 BRACKET (HP)
120
3-033-780-01 SPACER (GEAR A)
* 122
1-562-327-00 SOCKET, CONNECTOR 3P
* 123
3-031-123-01 COVER, LCD
124
4-931-757-31 SCREW(DIA.2.6X8)(IT3B),TAPPING
* 125
3-030-437-01 ILLUMINATOR
LCD1
1-803-283-11 LCD UNIT
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
7-3. CENTER BLOCK SECTION
#5
#5
#5
#5
#5
#5
#5
#5
#13
#13
#17
#17
#17
LCD1
101
102
102
104
105
106
107
108
109
110
112
113
114
115
116
117
118
118
119
103
111
125
123
122
124
124
120
not supplied
Ver 1.2 1999. 12
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