Bose AM HX77 AHK Service Manual

AM-HX77

AHK

SERVICE MANUAL

MINIDISC PLAYER

• This Service Manual contains information about the difference between
AM-HX77 (AHK) and AM-HX70 (AHK). If requiring other information,
see Service Manual of AM-HX70 (AHK), (S/M Code No. 09-009-435-8R1).

BASIC MD MECHANISM : AZG-F A

S/M Code No. 09-00A-435-8S2

SUPPLEMENT

DATA

SPECIFICATIONS

Main unit

Playback system MiniDisc digital audio system
Laser pickup Semiconductor laser
Sampling Frequency 44.1 kHz
Number of channels Stereo: 2 channels

D/A converter 1-bit
Frequency response 40 to 20,000 Hz ± 4 dB

Wow and Flutter Below measurable limit

Output Phone jack
Maximum output level 8 mW + 8 mW (16 Ω)
Power requirements DC 1.2 V using the supplied NI-MH

Battery life Using the supplied rechargeable battery

Maximum outside Approx. 71.6 (W) X 12.8 (H) X 77.7 (D) mm
dimensions (excluding projected parts and controls)
Weight Approx. 58 g excluding batteries.

Monaural: 1 channel

20 to 20,000 Hz ± 1 dB (10 kΩ)

(±0.00 1% W.PEAK)

rechargeable battery MHB-901
DC 1.5 V using an LR6 (size AA) dry
cell battery
AC house current using an optional AC adaptor

Approx. 19 hours (with power save on:
approx. 25 hours)

Using an LR6 (size AA) dry cell battery

Approx. 29 hours (with power save on:

approx. 38 hours)
Using the supplied rechargeable battery and an
LR6 (size AA) dry cell battery

Approx. 51 hours (with power save on:

approx. 67 hours)

<Battery charger RB-M02 K>
Rated voltage AC 240 V, 50 Hz

• Design and specifications are subject to change without notice.

• Dolby noise reduction manufactured under license from Dolby

Laboratories Licensing Corporation.

"DOLBY" and the double-D symbol are trademarks of Dolby

Laboratories Licensing Corporation.

– 2 –

ELECTRICAL MAIN PARTS LIST

PART NO. DESCRIPTIONREF. NO. KANRI

NO.

IC

87-A20-707-010 C-IC,CXA2523AR
87-A21-608-010 C-IC,CXD2665GA
8A-HM5-601-010 C-IC,MSM66573L-047TB-9
87-A21-724-040 C-IC,S-93C56AMFN
87-A21-038-040 C-IC,NJU7014R-TE2

87-A21-575-010 C-IC,BD6606KVT
87-A21-316-080 C-IC,S-8328B24MC
87-A20-861-040 C-IC,S-80808ANNP
87-A20-982-040 C-IC,S-80822ANNP
87-A21-627-040 C-IC,XC6367B102MR

87-A21-341-040 C-IC,TA2131FL

TRANSISTOR

89-115-884-080 CHIP -TRANSISTER 2SA1588Y
87-A30-148-080 C-TR,2SC4738GR
87-026-644-080 C-TR,DTA144EE
87-A30-261-080 C-FET,FDC633N
87-A30-262-080 C-FET,FDC634P

89-332-654-080 CHIP TRANSISTOR, 2SC3265Y
87-A30-147-080 C-TR,2SA1832GR
87-A30-499-040 C-FET,2SK2009
87-A30-033-080 C-FET,2SK2035

DIODE

87-A40-124-080 C-DIODE,RB501V-40
87-A40-687-080 C-DIODE,M1FH3
87-017-850-080 C-DIODE,DAP222

MAIN C.B

C100 87-A11-751-080 C-CAP,TN 22U-4 M P
C102 87-A11-751-080 C-CAP,TN 22U-4 M P
C103 87-A11-751-080 C-CAP,TN 22U-4 M P
C104 87-A11-046-080 C-CAP,TN 100U-4 M F95 B
C106 87-A11-751-080 C-CAP,TN 22U-4 M P

C107 87-A10-766-080 C-CAP,V 0.047-10 K B
C108 87-A10-561-080 C-CAP,V 0.01U-16 K B
C109 87-A10-671-080 C-CAP,V 0.022-16 K B
C110 87-A11-058-080 C-CAP,U 0.22-10 K B
C111 87-A10-558-080 C-CAP,V 4700P-25 K B

C112 87-A11-049-080 C-CAP,U 1-6.3 K B
C113 87-A10-558-080 C-CAP,V 4700P-25 K B
C114 87-A11-049-080 C-CAP,U 1-6.3 K B
C115 87-016-448-080 C-CAP,TN 2.2-10 F95P
C116 87-A10-543-080 C-CAP,V 100P-50 J CH

C117 87-A10-561-080 C-CAP,V 0.01U-16 K B
C118 87-A10-561-080 C-CAP,V 0.01U-16 K B
C119 87-A10-671-080 C-CAP,V 0.022-16 K B
C120 87-A10-559-080 C-CAP,V 6800P-25 K B
C121 87-A10-766-080 C-CAP,V 0.047-10 K B

C122 87-A10-561-080 C-CAP,V 0.01U-16 K B
C123 87-A10-561-080 C-CAP,V 0.01U-16 K B
C124 87-A10-554-080 C-CAP,V 1000P-50 K B
C125 87-A10-554-080 C-CAP,V 1000P-50 K B
C126 87-A10-554-080 C-CAP,V 1000P-50 K B

C127 87-A10-554-080 C-CAP,V 1000P-50 K B
C128 87-A10-554-080 C-CAP,V 1000P-50 K B
C129 87-A10-554-080 C-CAP,V 1000P-50 K B
C200 87-A11-751-080 C-CAP,TN 22U-4 M P
C201 87-A10-770-080 C-CAP,V 0.1-10 K B

C202 87-A10-770-080 C-CAP,V 0.1-10 K B
C204 87-A10-902-080 C-CAP,U 0.47-10 K B
C205 87-A10-770-080 C-CAP,V 0.1-10 K B
C206 87-A10-550-080 C-CAP,V 470P-50 K B
C207 87-A10-902-080 C-CAP,U 0.47-10 K B

C208 87-A10-561-080 C-CAP,V 0.01U-16 K B

DESCRIPTIONREF. NO. KANRI

PART NO.

NO.

C209 87-A10-533-080 C-CAP,V 15P-50 J CH
C210 87-A10-533-080 C-CAP,V 15P-50 J CH
C216 87-A10-765-080 C-CAP,V 0.033-10 K B
C217 87-A11-751-080 C-CAP,TN 22U-4 M P
C219 87-A11-049-080 C-CAP,U 1-6.3 K B

C220 87-A11-049-080 C-CAP,U 1-6.3 K B
C301 87-A11-049-080 C-CAP,U 1-6.3 K B
C302 87-A10-561-080 C-CAP,V 0.01U-16 K B
C303 87-A10-561-080 C-CAP,V 0.01U-16 K B
C304 87-A10-561-080 C-CAP,V 0.01U-16 K B

C305 87-A10-770-080 C-CAP,V 0.1-10 K B
C306 87-A10-770-080 C-CAP,V 0.1-10 K B
C308 87-010-787-080 CAP, U 0.022-25
C400 87-A10-556-080 C-CAP,V 2200P-50 K B
C401 87-A10-770-080 C-CAP,V 0.1-10 K B

C402 87-A10-770-080 C-CAP,V 0.1-10 K B
C403 87-A11-046-080 C-CAP,TN 100U-4 M F95 B
C404 87-A10-591-080 C-CAP,TN 47-6.3 M F95-BCASE
C405 87-A11-049-080 C-CAP,U 1-6.3 K B
C406 87-A11-049-080 C-CAP,U 1-6.3 K B

C407 87-A10-902-080 C-CAP,U 0.47-10 K B
C408 87-A10-765-080 C-CAP,V 0.033-10 K B
C409 87-A10-765-080 C-CAP,V 0.033-10 K B
C410 87-A10-556-080 C-CAP,V 2200P-50 K B
C411 87-A10-556-080 C-CAP,V 2200P-50 K B

C412 87-A10-556-080 C-CAP,V 2200P-50 K B
C413 87-A10-556-080 C-CAP,V 2200P-50 K B
C414 87-A10-556-080 C-CAP,V 2200P-50 K B
C415 87-A10-770-080 C-CAP,V 0.1-10 K B
C416 87-A11-751-080 C-CAP,TN 22U-4 M P

C417 87-A11-807-080 C-CAP,TN 4.7U-6.3 M P
C418 87-A11-058-080 C-CAP,U 0.22-10 K B
C419 87-A11-058-080 C-CAP,U 0.22-10 K B
C420 87-A11-058-080 C-CAP,U 0.22-10 K B
C600 87-A11-806-080 C-CAP,TN 47U-6.3 M PSLB

C601 87-A10-557-080 C-CAP,V 3300P-25 K B
C602 87-A11-806-080 C-CAP,TN 47U-6.3 M PSLB
C603 87-A10-770-080 C-CAP,V 0.1-10 K B
C604 87-A10-770-080 C-CAP,V 0.1-10 K B
C605 87-A10-554-080 C-CAP,V 1000P-50 K B

C606 87-A11-807-080 C-CAP,TN 4.7U-6.3 M P
C607 87-A11-049-080 C-CAP,U 1-6.3 K B
C608 87-A10-547-080 C-CAP,V 220P-25 J CH
C609 87-A10-537-080 C-CAP,V 33P-50 J CH
C610 87-A11-751-080 C-CAP,TN 22U-4 M P

C611 87-A11-049-080 C-CAP,U 1-6.3 K B
C614 87-012-286-080 C-CAP,U 0.01-25 KB
C701 87-A10-770-080 C-CAP,V 0.1-10 KB
C702 87-A10-543-080 C-CAP,V 100P-50 J CH
C703 87-A10-543-080 C-CAP,V 100P-50 J CH

C704 87-A10-543-080 C-CAP,V 100P-50 J CH
C705 87-A10-543-080 C-CAP,V 100P-50 J CH
C706 87-A11-049-080 C-CAP,U 1-6.3 K B
C707 87-016-449-080 C-CAP,TN 10-4 F95 P
C708 87-016-449-080 C-CAP,TN 10-4 F95 P

C709 87-A11-058-080 C-CAP,U 0.22-10 K B
C710 87-A11-058-080 C-CAP,U 0.22-10 K B
C711 87-A11-049-080 C-CAP,U 1-6.3 K B
C712 87-A11-049-080 C-CAP,U 1-6.3 K B
C713 87-A11-751-080 C-CAP,TN 22U-4 M P

C715 87-A11-318-080 C-CAP,TN 220U-2.5 SVB2
C716 87-A11-318-080 C-CAP,TN 220U-2.5 SVB2
C717 87-A11-061-080 C-CAP,S 2.2-10 K B
C720 87-A11-058-080 C-CAP,U 0.22-10 KB
CN100 87-A61-315-080 C-CONN,20P H XF2L-2035

CN401 87-A61-316-080 C-CONN,8P H XF2L-0835
CN700 87-A61-317-080 C-CONN,8P H XF2L-0825
D300 87-A40-556-080 C-LED,CL-270HR RED
L100 87-005-910-080 C-COIL,S 22UH M LK2125
L102 87-A50-359-080 C-COIL, 22UH K NLFC252018

– 3 –

PART NO. DESCRIPTIONREF. NO. KANRI

L200 87-A50-646-080 C-COIL, 22UH K NLFC201614
L400 87-A50-011-080 C-COIL,47UH LQH3C
L401 87-A50-537-080 C-COIL, 100UH C4-K3L
L402 87-A50-475-080 C-COIL, 10UH K NLFC201614
L403 87-A50-475-080 C-COIL, 10UH K NLFC201614

L404 87-A50-475-080 C-COIL, 10UH K NLFC201614
L405 87-A50-475-080 C-COIL, 10UH K NLFC201614
L406 87-005-910-080 C-COIL,S 22UH M LK2125
L600 87-A50-325-080 C-COIL,180UH C4-K3L
L601 87-A50-012-080 C-COIL,100UH LQH3C

L701 87-005-769-080 C-COIL,S 100UH K

!

PR600 87-A91-769-080 C-PROTECTOR,0.75A ERY32SB075
PR601 87-A91-769-080 C-PROTECTOR,0.75A ERY32SB075

!

R204 87-A91-879-080 C-F-BEAD, BK1608TS102
R210 87-A00-761-080 C-RES,V 510K-1/16W F

R211 87-A91-880-080 C-F-BEAD, BLM10A601SG
R314 87-A00-759-080 C-RES,V 27K-1/16W F
R315 87-A00-756-080 C-RES,V 10K-1/16W F
R320 87-A00-755-080 C-RES,V 6.8K-1/16W F
R321 87-A00-757-080 C-RES,V 12K-1/16W F

R322 87-A00-758-080 C-RES,V 22K-1/16W F
R323 87-A00-760-080 C-RES,V 68K-1/16W F
R618 87-A00-761-080 C-RES,V 510K-1/16W F
R619 87-A00-762-080 C-RES,V 680K-1/16W F
R701 87-A91-879-080 C-F-BEAD, BK1608TS102

NO.

DESCRIPTIONREF. NO. KANRI

PART NO.

NO.

R702 87-A91-879-080 C-F-BEAD, BK1608TS102
R717 87-A91-878-080 C-F-BEAD, BK1608HS241
R718 87-A91-878-080 C-F-BEAD, BK1608HS241
R719 87-A91-878-080 C-F-BEAD, BK1608HS241
S300 87-A91-436-080 C-SW,PUSH 2-1-1 SPVE3.8

S301 87-A90-703-080 C-SW,SL 1-1-3 SSSS813-B-2B
S302 87-A90-232-080 C-SW,TACT SKQRAA
S303 87-A90-232-080 C-SW,TACT SKQRAA
S304 87-A90-232-080 C-SW,TACT SKQRAA
S305 87-A90-232-080 C-SW,TACT SKQRAA

S306 87-A90-232-080 C-SW,TACT SKQRAA
X200 87-A70-276-080 C-VIB,CER 22.57MHZ CSACW2257MX
X301 87-A70-277-080 C-VIB,CER 6.0MHZ CSTRC0600MG05

FLEX JACK C.B

8A-HM5-602-110 PWB,FLEX JACK
J700 87-A60-682-010 JACK,3.5 ST 7P

– 4 –