Sony CDX-3177 Service manual

CDX-3177

Para los diagramas eléctricos consultar el manual correspondiente al modelo CDX-3170

SERVICE MANUAL

SPECIFICATIONS

E Model

Model Name Using Similar Mechanism CDX-2180
CD Drive Mechanism Type MG-363X-121
Optical Pick-up Name KSS-521A

CD player section

System Compact disc digital audio

Signal-to-noise ratio 90 dB
Frequency response 10 - 20,000 Hz
Wow and flutter Below measurable limit

T uner section

FM

Tuning range 87.5 - 107.9 MHz
Antenna terminal External antenna connector
Intermediate frequency 10.7 MHz
Usable sensitivity 13 dBf
Selectivity 70 dB at 400 kHz
Signal-to-noise ratio 62 dB (stereo),

Harmonic distortion at 1 kHz

Separation 33 dB at 1 kHz
Frequency response 30 - 15,000 Hz
Capture ratio 2 dB

AM

Tuning range 530 - 1,710 kHz
Antenna terminal External antenna connector
Intermediate frequency 450 kHz
Sensitivity 32 µV

system

65 dB (mono)

1.0% (stereo),

0.5% (mono)

Power amplifier section

Outputs Speaker outputs

Speaker impedance 4 - 8 ohms
Maximum power output 35 W × 4 (at 4 ohms)

General

Outputs Line outputs (2)

Tone controls Bass ± 10 dB at 100 Hz

Power requirements 12 V DC car battery
Dimensions Approx. 188 × 58 × 180 mm
Mounting dimensions Approx. 183 × 53 × 163 mm

Mass Approx. 1.3 kg
Supplied accessories Parts for installation and

Design and specifications are subject to change without
notice.

(sure seal connectors)

Power antenna relay
control/Power amplifier
control lead

Treble ± 10 dB at 10 kHz

(negative ground)

(w/h/d)

(w/h/d)

connections (1 set)

FM/AM COMPACT DISC PLAYER

MICROFILM

– 1 –

NOTE:

CDX-3177

• The mechanical parts with no reference
number in the exploded views are not supplied.

• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.

•Abbreviation
G : German model

5-1. CHASSIS SECTION

SECTION 5

EXPLODED VIEWS

• -XX and -X mean standardized parts, so
they may have some difference from the
original one.

• Color Indication of Appearance Parts
Example :

KNOB, BALANCE (WHITE) ... (RED)

N

Parts Color Cabinet’s Color

N

• Hardware (# mark) list and accessories
and packing materials are given in the
last of this parts list.

The components identified by
mark ! or dotted line with mark.
! are critical for safety.
Replace only with part number
specified.

1

MG-363X-121

B

#3

#5

#5

2

#3

#3

A

#3

#2

#3

4

5

9

#4

7

#2

#3

11

TU1

6

#4

#4

A

#4

F501

#4

#4

13

Q920

#3

8

12

B

10

3

#2

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

*1X-3379-133-1COVER ASSY

*23-009-349-01BRACKET (M/D)

3X-3373-956-2PANEL (1) ASSY, SUB
4X-3368-104-2LOCK ASSY

*5A-3294-202-AMAIN BOARD, COMPLETE (G)

*5Y-8283-355-AMAIN BOARD, COMPLETE

* 6 3-931-260-01 BRACKET (IC)

*73-009-353-11HEAT SINK

*83-920-529-01BRACKET (REG) (IC) A-3220-584-A MECANISMO MG-363X-121//Q1

– 42 –

9 1-776-527-11 CORD (WITH CONNECTOR) (ISO) (POWER)

*103-009-348-01CHASSIS (MAIN)

11 3-915-923-01 SCREW, GROUND POINT

*123-013-861-01SHEET (INSULATING.A)

* 13 3-014-040-01 SHEET (HS)

F501 1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
Q920 8-729-019-00 TRANSISTOR 2SD2394-G

TU1A-3282-059-ATUNER UNIT

5-2. FRONT PANEL SECTION

not supplied
(DISPLAY SUB board)

63

#6

#6

#6

62

61

CNP802

LCD800

51

60

52

53

65

54

56

57

64

PANEL BOARD
(COD. Y-8283-681-A)

58

59

55

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

513-009-376-11BUTTON (SEEK/AMS)
523-009-332-11BUTTON (+/-)
533-009-329-11BUTTON (RELEASE)

54 3-013-634-01 SPRING (RELEASE)

553-009-928-31PANEL (S) ASSY, FRONT

56 3-009-334-01 BUTTON (SOURCE)

573-009-333-21BUTTON (DSPL)
583-009-331-02BUTTON (EJECT)
593-009-330-21BUTTON (1-6)

* 60 3-009-341-01 SHEET (LCD)
* 61 3-009-335-01 PLATE (LCD), LIGHT GUIDE
* 62 3-009-337-01 HOLDER (LCD)
* 63 3-009-371-01 BRACKET (PCB)

643-009-355-02PANEL, FRONT BACK

*653-014-202-03BRACKET (LCD)

CNP802 1-779-129-11 PIN, CONNECTOR 3P

LCD8001-803-140-11DISPLAY PANEL, LIQUID CRYSTAL

– 43 –

5-3. CD MECHANISM SECTION (1) (MG-363X-121)

102

104

111

103

112

109

101

#8

#8

107

#8

111

112

E

#7

108

110

105

106

114

115

E

#7

113

M903

#9

#7

116

#8

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

* 101 1-659-836-11 DISCIN BOARD
* 102 A-3291-816-B CHASSIS (T) SUB ASSY

103 3-931-909-01 SPRING (LR), TENSION
104 X-3371-501-1 LEVER (L) ASSY
105 3-338-737-01 SCREW (2X3), + PS

* 106 1-659-837-11 LOAD BOARD

107 X-3371-502-1 LEVER (R) ASSY
108 A-3301-203-A ROLLER ASSY
109 3-931-908-01 GUIDE (DISC)

110 3-931-902-04 ARM (ROLLER)

111 3-936-756-01 ROLLER (D)
112 3-321-393-01 WASHER, STOPPER

* 113 3-939-139-01 SPACER

114 3-931-916-01 SPRING (RA), TENSION

* 115 A-3309-227-A SERVO BOARD, COMPLETE

* 116 3-007-530-01 BRACKET (MOTOR)

M903 A-3291-676-A MOTOR SUB ASSY, LOADING

– 44 –

5-4. CD MECHANISM SECTION (2) (MG-363X-121)

155

#9

154

157

158

162

163

F

166

160

164

151

156

157

165

153

161

F

159

152

152

152

Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark

151 3-931-893-01 ARM, CHUCKING
152 3-931-897-01 DAMPER (T)
153 3-931-879-02 LEVER (D)

* 154 3-913-404-11 RETAINER (DISC)

155 3-931-894-01 BRACKET (CP)

156 3-931-895-01 SPRING (CH), TENSION
157 3-931-898-01 SPRING (FL), COMPRESSION
158 3-032-483-02 SPRING (KF1), TENSION

* 159 A-3277-802-C CHASSIS (M) COMPLETE ASSY

160 3-014-727-01 WHEEL (LW), WORM

161 3-931-881-01 LEVER (LOCK)
162 3-931-882-02 GEAR (MDL)
163 3-007-537-11 WHEEL (U), WORM
164 3-032-484-01 SPRING (KR1), TENSION
165 3-018-272-01 WASHER

166 3-931-883-01 SPRING (TR), TENSION

– 45 –