Integrated amplifier
TABLE OF CONTENTS
SECTION
PAGE
1. SPECIFICATIONS ...................................................................................................................................... 1
2. TEST EQUIPMENT REQUIRED SERVICING ........................................................................................... 2
3. IC INFORMATIONS .................................................................................................................................... 3
4. BLOCK DIAGRAM ...................................................................................................................................... 5
5. WIRING DIAGRAM ..................................................................................................................................... 7
6. SCHEMATIC DIAGRAM AND PARTS LOCATION (PARTS SIDE) ........................................................... 9
7. EXPLODED VIEW AND PARTS LIST ...................................................................................................... 33
8. IDLING CURRENT AND DC OFFSET VOLTAGE ALIGNMENT ............................................................. 34
9. ELECTRICAL PARTS LIST ...................................................................................................................... 35
Service
Manual
PM7000 /N1B, /N1G, /U1B
PM8000 /N1B, /N1G, /F1B, /F1N
Please use this service manual with referring to the user guide (D.F.U) without fail.
R
- PM7000 / PM8000 -
276W855010 ACT
3120 785 22011
First Issue:1999.09
PM7000/8000
MARANTZ DESIGN AND SERVICE
Using superior design and selected high grade components,
MARANTZ company has created the ultimate in stereo sound.
Only original
MARANTZ parts can insure that your MARANTZ product will continue to perform to the specifications for which
it is famous.
Parts for your
MARANTZ equipment are generally available to our National Marantz Subsidiary or Agent.
ORDERING PARTS :
Parts can be ordered either by mail or by Fax.. In both cases, the correct part number has to be specified.
The following information must be supplied to eliminate delays in processing your order :
1. Complete address
2. Complete part numbers and quantities required
3. Description of parts
4. Model number for which part is required
5. Way of shipment
6. Signature : any order form or Fax. must be signed, otherwise such part order will be considered as null and void.
SHOCK, FIRE HAZARD SERVICE TEST :
CAUTION : After servicing this appliance and prior to returning to customer, measure the resistance between either primary AC
cord connector pins ( with unit NOT connected to AC mains and its Power switch ON ), and the face or Front Panel of product and
controls and chassis bottom.
Any resistance measurement less than 1 Megohms should cause unit to be repaired or corrected before AC power is applied, and
verified before it is return to the user/customer.
Ref. UL Standard No. 1492.
In case of difficulties, do not hesitate to contact the Technical
Department at above mentioned address.
990921ACT
USA
MARANTZ AMERICA, INC
MARANTZ AMERICA, INC.
440 MEDINAH ROAD
ROSELLE, ILLINOIS 60172
USA
PHONE : 630 - 307 - 3100
FAX
: 630 - 307 - 2687
BRAZIL
MARANTZ BRAZIL
CAIXA POSTAL 21462
CEP 04698-970
SAO PAULO, SP, BRAZIL
PHONE : 0800 - 123123(Discagem Direta Gratuita)
FAX
: +55 11 534. 8988
JAPAN Technical
MARANTZ JAPAN, INC.
35- 1, 7- CHOME, SAGAMIONO
SAGAMIHARA - SHI, KANAGAWA
JAPAN 228-8505
PHONE : +81 42 748 1013
FAX
: +81 42 741 9190
EUROPE / TRADING
MARANTZ EUROPE B.V.
P.O.BOX 80002, BUILDING SFF2
5600 JB EINDHOVEN
THE NETHERLANDS
PHONE : +31 - 40 - 2732241
FAX
: +31 - 40 - 2735578
CANADA
LENBROOK INDUSTRIES LIMITED
633 GRANITE COURT,
PICKERING, ONTARIO L1W 3K1
CANADA
PHONE : 905 - 831 - 6333
FAX
: 905 - 831 - 6936
AUSTRALIA
JAMO AUSTRALIA PTY LTD
1 EXPO COURT, P.O. BOX 350
MT. WAVERLEY VIC 3149
AUSTRALIA
PHONE : +61 - 3 - 9543 - 1522
FAX
: +61 - 3 - 9543 - 3677
THAILAND
MRZ STANDARD CO.,LTD
746 - 754 MAHACHAI ROAD.,
WANGBURAPAPIROM, PHRANAKORN,
BANGKOK, 10200 THAILAND
PHONE : +66 - 2 - 222 9181
FAX
: +66 - 2 - 224 6795
TAIWAN
PAI- YUING CO., LTD.
6 TH FL NO, 148 SUNG KIANG ROAD,
TAIPEI, 10429, TAIWAN R.O.C.
PHONE : +886 - 2 - 25221304
FAX
: +886 - 2 - 25630415
MALAYSIA
WO KEE HONG ELECTRONICS SDN. BHD.
SUITE 8.1, LEVEL 8, MENARA GENESIS,
NO. 33, JALAN SULTAN ISMAIL,
50250 KUALA LUMPUR, MALAYSIA
PHONE : +60 3 - 2457677
FAX
: +60 3 - 2458180
AMERICAS
SUPERSCOPE TECHNOLOGIES, INC.
MARANTZ PROFESSIONAL PRODUCTS
2640 WHITE OAK CIRCLE, SUITE A
AURORA, ILLINOIS 60504 USA
PHONE : 630 - 820 - 4800
FAX
: 630 - 820 - 8103
KOREA
MK ENTERPRISES LTD.
ROOM 604/605, ELECTRO-OFFICETEL, 16-58,
3GA, HANGANG-RO, YONGSAN-KU, SEOUL
KOREA
PHONE : +822 - 3232 - 155
FAX
: +822 - 3232 - 154
SINGAPORE
WO KEE HONG (S) PTE LTD
WO KEE HONG CENTRE
NO.23, LORONG 8, TOA PAYOH
SINGAPORE 319257
PHONE : +65 2544555
FAX
: +65 2502213
1. SPECIFICATIONS
Power output (class AB operation)
RMS 8ohms (20 Hz - 20 kHz) ........................................ 95W
DIN 8 ohms .................................................................. 105W
THD at 8 ohms RMS rated output ............................... 0.03%
Damping factor ................................................................ 150
Power out put (PM8000 classA operation)
RMS 8 ohms (20 Hz - 20 kHz) ...................................... 25 W
DIN 8 ohms ................................................................... 28 W
THD at 8 ohms RMS. rated output .............................. 0.03%
Damping factor ................................................................ 130
IHF dynamic power (class AB operation)
8 ohms ........................................................................ 120 W
IHF dynamic power (PM8000 class A operation)
8 ohms .......................................................................... 35 W
Magnetic cartridge input (MM)
input sensitivity impedance ...................... 2.5 mV/47 kOhms
Accuracy of frequency response to IEC RIAA ........... 0.5 dB
Signal to noise ratio ...................................................... 85 dB
Tuner/CD/Aux/Tape inputs
input sensitivity impedance ..................... 150 mV/40 kOhms
Signal to noise ratio ..................................................... 109dB
Frequency response
(-1 dB limits, Source Direct) .................... 10 Hz - 50 kHz
Tone characteristic (100 Hz and 10 kHz) .....................
±8 dB
Channel separation
(1 kHz/10 kHz, Source direct) .................... >80 / >70 dB
General
Power Requirements
/N versions ............................................ 230 V AC,50 Hz
/U versions ............................................ 120 V AC,60 Hz
Dimensions
Width ................................................................ 440 mm
Height ................................................................ 159 mm
Depth ............................................................. 370.5 mm
Weight
Unit alone ........................................................... 12.3 kg
Specifications subject to change without prior notice
1
2.TEST EQUIPMENT REQUIRED FOR SERVICING
Item
Distortion Analyzer
Audio Oscillator
AC VTVM
Oscilloscope
DC VTVM
AC Wattmeter
Line Voltmeter
Variable Autotransformer
Circuit Tester
Shortting Plug
Use
Distortion measurements
Sinewave and squarewave signal source
Voltage measurements (AC)
Waveform analysis and trouble shooting and ASO alignment
Voltage measurements (DC)
Monitors primary power to amplifier
Monitors of primary voltage to amplifier
Adjust level of primary voltage to amplifier
Trouble shooting
Shorts amplifier input to eliminate noise pickup
2
MICROPROCESSOR TMP47C200BM BLOCK DIAGRAM
3. IC INFORMATIONS
VSS
VDD
FLAG
ALU
HOLD OPERATION MODE CONTROL
SYSTEM CONTROL
TIMING GENERATOR
CLOCK GENERATOR
IN-OUTPUT PORT
IN-OUTPUT PORT
(TIME/COUNTER INPUT)
(IEXTERNAL INTERRUPT)
IN-OUTPUT PORT
(SERIAL PORT)
LARGE CURRENT
OUTPUT PORT
INPUT PORT
ACCUMLATOR
H RESISTER
L RESISTER
RAM ADDRESS BUFFER
INTERRUPT CONTROL
INTERRUPT
PRIORITY F/F
DATA MEMORY
(RAM)
STACK
DC
TC2
TC1
PROGRAM
COUNTER
INTERRUPT
PRIORITY RESISTER
S
Z
KE
INTEVAL TIMER
12 BIT
TIMER COUNTER
(2ch)
4 BIT
SERIAL INTERFACE
R7
P1
C
P2
R8
K0
K03
K02
K01
K00
R92(SCK)
R91(SO)
R90(SI)
R83(T1)
R82(INT1)
R81(T2)
R80(INT2)
R63
R62
R61
R60
R53
R52
R51
R50
R43
R42
R41
R40
R6
R5
R4
1 234
R9
DATA
CONVERTER
TABLE
PROGRAM
MEMORY
(ROM)
INSTRUCTION
RESISTER
INSTRUCTION
DECODER
39
40
41
25
24
23
22
20
19
18
17
16
15
14
13
42
21
POWER
GND.
HOLD INPUT HOLD
(SENC INPUT)(KE0)
RESET INPUT RESET
TEST TERMINAL TEST
OSCILATER CONNECT XIN
TERMINAL(RF) XUOT
34
33
30
31
32
P23
P22
P21
P20
P13
P12
P11
P10
R73
R72
R71
R70
SDIP42-P-600
3
L
L
L
L
L
L
L
L
L
L
L
L
L
L
LED INDICATOR AUX1 DISPLAY
LED INDICATOR TUNER DISPLAY
LED INDICATOR CD DISPLAY
LED INDICATOR PHONO DISPLAY
SOURCE INPUT SWITCH(ROTARY ENCODER) bit1
SOURCE INPUT SWITCH(ROTARY ENCODER) bit2
PROCESSOR IN-OUT SWITCH
MANUAL MUTE
NOT USED (GND)
CLOCK 4.00 MHz (IN)
CLOCK 4.00 MHz (OUT)
SYSTEM RESET
POWER DOWN CHECK
REMOTE CONTROL INPUT (RC-5)
MODEL SELECT 1
MODEL SELECT 2
MODEL SELECT 3
SERIAL DATA(RC-5 REMOTE CONTROL)
ENABLE (REMOTE CONTROL)
STAND-BY RELAY CONTROL
POWER SUPPLY
FUNCTION
ACT
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
PIN no.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
MANUAL MUTE SIGNAL MUTE
SIGNAL(SOURCE/MONITOR SWITCH)
MOTOR DRIVE VOLUME UP
MOTOR DRIVE VOLUME DOWN
MONITOR INPUT SWITCH (TAPE3)
MONITOR INPUT SWITCH (TAPE2)
MONITOR INPUT SWITCH (TAPE1)
SOURCE INPUT SWITCH (AUX2)
SOURCE INPUT SWITCH (AUX1)
SOURCE INPUT SWITCH (TUNER)
SOURCE INPUT SWITCH (CD)
SOURCE INPUT SWITCH (PHONO)
LED INDICATOR STAND BY DISPLAY
LED INDICATOR MUTE DISPLAY
LED INDICATOR PROCESSOR DISPLAY
LED INDICATOR TAPE3 DISPLAY
LED INDICATOR TAPE2 DISPLAY
LED INDICATOR TAPE1 DISPLAY
LED INDICATOR SOURCE DISPLAY
LED INDICATOR AUX2 DISPLAY
GND.
R40
R41
R42
R43
R50
R51
R52
R53
R60
R61
R62
R63
R70
R71
R72
R73
P10
P11
P12
P13
VSS
MMUT
FMUT
VOUP
VODW
T3K
T2K
T1K
AX2K
AX1K
TUNK
CDK
PHOK
LSTB
LMUT
LPRO
LTP3
LTP2
LTP1
LSOU
LAX2
PORT NAME
LAX1
LTUN
LECD
LPHO
1RS
2RS
PRK
MUK
RES
PDW
RXRC
EN1
EN2
EN3
TXRC
ENTX
RELY
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
P20
P21
P22
P23
K00
K01
K02
K03
TEST
XIN
XOUT
RESET
HOLD
R80
R81
R82
R83
R90
R91
R92
VDD
SDIP42-P-600
MICROPROCESSOR TMP47C200BM
Position NO.7401
G
26 27 28 29
35 36 37 38
9 10 11 12
5678
SPW
VDD
R92(SCK)
R91(SO)
R90(SI)
R83(T1)
R82(INT1)
R81(T2)
R80(INT2)
HOLD(KE0)
RESET
XOUT
XIN
TEST
K03
K02
K01
K00
P23
P22
P21
P20
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
R40
R41
R42
R43
R50
R51
R52
R53
R60
R61
R62
R63
R70
R71
R72
R73
P10
P11
P12
P13
Vss
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21