Onkyo TA-RW255 Service Manual
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Onkyo TA-RW255 Service Manual

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See also: Instruction Manual
SERVICE MANUAL
SERVICE MANUAL
STEREO CASSETTE TAPE DECK
MODEL
ONKYO
EJECT
DECK-A
PLAY
L
dB
-
R
DOLBY NR
REVERCE MODE
POWER
STANDBY
STANDBY/ON
North American model
STANDBY
Other models
STANDBY/ON
MAIN POWER
OFF
ON
STANDBY
Black and Silver models
BMDD
BMPA, BMGT
BMPP, SMPP
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK
Schematic Diagram AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
TA-RW255
EJECT
DOLBY NR
DECK-B
HI-SPEED
DUBBING
OFF
B
C
REC
PAUSE
PLAY
A
-20
-10
-6
-3
0
+3
+6
B
DUBBING
COUNTER
AUTO SPACE
NORMAL
HIGH
A/B
RESET
DUBB.STOP
REC LEVEL
MIN
MAX
120V AC, 60Hz
230-240V AC, 50Hz
ON THE
TA-RW255
Ref. No. 3872
062005

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Questions and answers

Michael Sullivan
January 26, 2025

I need replacement drive belts for this unit and didn't see them in the exploded view.

0
1 comments:
Mr. Anderson
February 10, 2025

You can find replacement drive belts for the Onkyo TA-RW255 at Phono.cz. The replacement belt set contains four belts: two flat and two square. Availability is listed as "on order to 21 days," and the price is 980 CZK per set.

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Summary of Contents for Onkyo TA-RW255

  • Page 1 COMPONENTS IDENTIFIED BY MARK ON THE SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK. REPLACE THESE COMPONENTS WITH ONKYO PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL. MAKE LEAKAGE-CURRENT OR RESISTANCE...

  • Page 2: Specifications

    TA-RW255 SPECIFICATIONS Format: Auto reverse double deck Track format: 4-tracks, 2-channels Recording system: AC bias Erasing system: AC erase Tape speed: 4.76 cm/sec. (1-7/8 i.p.s) Wow and Futter: 0.13 % (WRMS) Frequency response: Metal position tape 30 Hz to 15 kHz ±3 dB High position tape 30 Hz to 14 kHz ±3 dB...
  • Page 3 TA-RW255 EXPLODED VIEW P802 A302 A301 P102 x 6 pcs. A029 Z009 x 2 pcs. x 4 pcs. Z002 Z006 Z008 x 2 pcs. P801 A010 P101 Z005 A011 A029 x 2 pcs. Z004 x 2 pcs. P901A Z007 x 2 pcs.
  • Page 4 TA-RW255 EXPLODED VIEW CASSETTE MECHANISM Z001 : CMAL2Z226B (PLAY Deck) F567-750 Z002 : CMAL2Z227B (REC/PLAY Deck) F REC F567-739 METAL PACK R REC PACK CMAL2Z226B Lever for prevent to lever. (only Left side mecha.) F513-930 CMAL2Z227B Lever for prevent to eject (Both mecha.)
  • Page 5 TA-RW255 CASSETTE MECHA. PARTS LIST PART No. PART NAME NOTE F513-931 PLATE HEADD BLOCK 226B 227B F513-930 PLATE HEADD BLOCK F525-382 MOTOR MAIN BLOCK 226B F567-739 PCB CONTROL BLOCK 227B F567-750 PCB CONTROL BLOCK F522-063 CLUTCH ASSY BLOCK FF19N MAIN BELT...
  • Page 6 SCHEMATIC DIAGRAM C230 R226 R230 20KB 4.7/50 <MDD> ONLY Q206 Q204 KRC107S RN1411 D202 R224 1SS352 R314 56 C202 R202 C214 10/50 P205 C201 R201 C210 C212 R245 222 R212 10/50 L204 Q602 2SD655 R206 NCH2137 NMC6079 R316 R234 L202 R244 6.8K R315...
  • Page 7 TA-RW255 DISPLAY CIRCUIT PC BOARD MAIN PC BOARD NAAF-8555 NADIS-8556 NAAF-8555 NAAF-8555 Q707 BJ246GK OTP ONLY R782 100KX10 OTP ONLY 100KX10 R781 R701 R702 R703 R704 R705 1.8K DECK_A STOP F-PLAY R-PLAY DOLBY_NR N.HIGH N.NORM R706 R707 R708 R709 R710...
  • Page 8 TA-RW255 DISPLAY CIRCUIT PC BOARD SCHEMATIC MAIN PC BOARD NAAF-8555 DIAGRAM NADIS-8556 NAAF-8555 NAAF-8555 C230 R226 R230 Q707 BJ246GK 20KB 4.7/50 <MDD> ONLY Q206 Q204 KRC107S RN1411 D202 R224 1SS352 R314 56 R202 C202 OTP ONLY C214 10/50 R782 100KX10...

  • Page 9: Schematic Diagram

    SCHEMATIC DIAGRAM R226 20KB EXCEPT C230 R230 4.7/50 Q206 Q204 <MDD> KRC107S RN1411 D202 R224 1SS352 R314 56 C202 R202 C214 10/50 P205 C201 R201 R245 C210 C212 10/50 R212 L204 Q602 R206 NCH2137 2SD655 NMC6079 R316 R210 R234 L202 2.2K R244 6.8K...
  • Page 10 TA-RW255 MAIN PC BOARD NAAF-8555 DISPLAY CIRCUIT PC BOARD NAAF-8555 Q707 BJ246GK OTP ONLY1 R782 100KX10 OTP ONLY 100KX10 R781 R701 R702 R703 R704 R705 1.8K DECK_A R-PLAY STOP F-PLAY DOLBY_NR N.NORM R706 R707 R708 R709 R710 R250 1.8K 100K...
  • Page 11 TA-RW255 MAIN PC BOARD NAAF-8555 DISPLAY CIRCUIT PC BOARD SCHEMATIC DIAGRAM R226 20KB NAAF-8555 EXCEPT C230 R230 Q707 BJ246GK 4.7/50 Q206 Q204 <MDD> KRC107S RN1411 D202 R224 1SS352 R314 56 R202 C202 OTP ONLY1 C214 10/50 R782 100KX10 P205 R201...
  • Page 12 TA-RW255 PC BOARD CONNECTION DIAGRAM <MDD> MAIN BOARD NAAF-8555 P205 Except <MDD> L G R P701A POWER SUPPLY P702A PC BOARD NAPS-8557 P101A P102A <MDD> only CASSETTE MECHA.-A CASSETTE MECHA.-B Except <MDD> P902 P701B U05 POWER SWITCH PC BOARD NASW-8559...
  • Page 13 PRINTED CIRCUIT BOARD VIEWS-1 MAIN PC BOARD (NAAF-8555) Component side view from soldering side...
  • Page 14 TA-RW255...
  • Page 15 PRINTED CIRCUIT BOARD VIEWS-2 MAIN PC BOARD (NAAF-8555) Soldering side view...
  • Page 16 TA-RW255...
  • Page 17 TA-RW255 PRINTED CIRCUIT BOARD VIEWS-3 DISPLAY CIRCUIT PC BOARD (NADIS-8556) Component side view from soldering side Soldering side...
  • Page 18 TA-RW255 PRINTED CIRCUIT BOARD VIEWS-4 POWER SUPPLY PC BOARD (NAPS-8557) Component side view from soldering side Soldering side...
  • Page 19 TA-RW255 PRINTED CIRCUIT BOARD VIEWS-5 INPUT VOLUME PC BOARD (NAETC-8558) Component side view from soldering side POWER SWITCH PC BOARD (NASW-8559) EXCEPT <MDD> Component side view from soldering side...
  • Page 20 TA-RW255 PRINTED CIRCUIT BOARD VIEWS-1 MAIN PC BOARD (NAAF-8555) Component side view from soldering side...
  • Page 21 TA-RW255 PRINTED CIRCUIT BOARD VIEWS-2 MAIN PC BOARD (NAAF-8555) Soldering side view...
  • Page 22 TA-RW255 IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION Q101 : BA3416BL DUAL PLAYBACK PRE_AMPLIFIER METAL TAPE FILTER OUT 2 IN 2 CONTROL MUTE 13 15 TAPE_A TAPE_B METAL TAPE OUT 1 METAL METAL IN 1...
  • Page 23 HA12167FB/HA12169FB Audio Signal Processor for Cassette Deck (Deck 1 Chip) ADE-207-110B (Z) 3rd Edition Description HA12167FB/HA12169FB is silicon monolithic bipolar IC providing REC volume system, Level meter system and Dolby noise reduction system* in one chip. Functions • REC equalizer ×...
  • Page 24 HA12167FB/HA12169FB Ordering Information Operating Voltage Type Package PB-OUT Level REC-OUT Level Dolby Level HA12167FB QFP-80 775 mVrms 300 mVrms 300 mVrms 12.0 V 15.0 V (14 × 14) HA12169FB 580 mVrms 11.0 V 15.0 V * Dolby is a trade mark of Dolby Laboratories Licensing Corporation. A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.
  • Page 25 HA12167FB/HA12169FB Pin Description (V = 14 V, Ta = 25°C, No signal, The value in the show typical value.) Pin No. Terminal (QFP-80) Name DC Voltage Equivalent Circuit Description 100 k Recording input LM IN 100 k Level meter input EQ IN 100 k Equalizer input...
  • Page 26 HA12167FB/HA12169FB Pin Description (V = 14 V, Ta = 25°C, No signal, The value in the show typical value.) (Cont) Pin No. Terminal (QFP-80) Name DC Voltage Equivalent Circuit Description IA OUT — Input amp output VREF Reference voltage buffer output PB OUT Play back (Decode) output...
  • Page 27 HA12167FB/HA12169FB Pin Description (V = 14 V, Ta = 25°C, No signal, The value in the show typical value.) (Cont) Pin No. Terminal (QFP-80) Name DC Voltage Equivalent Circuit Description BIAS — 0.28 V Dolby NR reference current input IREF —...
  • Page 28 HA12167FB/HA12169FB Pin Description (V = 14 V, Ta = 25°C, No signal, The value in the show typical value.) (Cont) Pin No. Terminal (QFP-80) Name DC Voltage Equivalent Circuit Description CONT 3.3 k /2 – 1.5 V DAC output to V volume control input EQ CONT...
  • Page 29 HA12167FB/HA12169FB Pin Description (V = 14 V, Ta = 25°C, No signal, The value in the show typical value.) (Cont) Pin No. Terminal (QFP-80) Name DC Voltage Equivalent Circuit Description RESET 100 k — Mode control input D•GND DATA — 0.7 V —...
  • Page 30 HA12167FB/HA12169FB Block Diagram...
  • Page 31 HA12167FB/HA12169FB Absolute Maximum Ratings Item Symbol Rating Unit Note Supply voltage Power dissipation Operating temperature Topr –30 to +75 °C Storage temperature Tstg –55 to +125 °C Note: For Ta is higher than 65°C, reduce Pd at the rate of 12.5 mW/°C. Please, see the below graph.
  • Page 32 Test Conditions Application Terminal ————————————————————————————————————— ————————— Specification Input Output ——————– ———– ———– Input Tape Input EQ Bias Item Symbol Unit Meter Speed Tape DAC [Hz] Level Note ——————————————————————————————————————————————————————————————————– Quiescent current IQ — 34.5 42.0 VRI1 NOR NOR NOR 32 — —...
  • Page 33 Test Conditions Application Terminal ————————————————————————————————————— ————————— Specification Input Output ——————– ———– ———– Input Tape Input EQ Bias Item Symbol Unit Meter Speed Tape DAC [Hz] Level Note ——————————————————————————————————————————————————————————————————– Serial digital — — — — — — — — — — —...
  • Page 34 Test Conditions Application Terminal ————————————————————————————————————— ————————— Specification Input Output ——————– ———– ———– Input Tape Input EQ Bias Item Symbol Unit Meter Speed Tape DAC [Hz] Level Note ——————————————————————————————————————————————————————————————————– Equalizer gain 23.5 25.5 27.5 NOR NOR NOR 63 — Vin = –32 dBs (500) ————————–...
  • Page 35 Test Conditions Application Terminal ————————————————————————————————————— ————————— Specification Input Output ——————– ———– ———– Input Tape Input EQ Bias Item Symbol Unit Meter Speed Tape DAC [Hz] Level Note ——————————————————————————————————————————————————————————————————– Level meter offset LMofs 1 — NOR NOR NOR 63 — — No signal —...
  • Page 36 HA12167FB/HA12169FB Test Circuit...
  • Page 37 HA12167FB/HA12169FB Mode Controller...
  • Page 38 HA12167FB/HA12169FB Level Diagram REC Mode (1 kHz NR-OFF)
  • Page 39 HA12167FB/HA12169FB PB Mode (1 kHz NR-OFF)
  • Page 40 HA12167FB/HA12169FB Application Note Power Supply Range HA12167FB/HA12169FB are designed to operate on either single supply or split supply. The operating range of the supply voltage is shown in table 1. Table 1 Supply Voltage Type No. Single Supply Split Supply HA12167FB 12 V to 15 V ±6.0 V to 7.5 V...
  • Page 41 HA12167FB/HA12169FB Operating Mode Control HA12167FB/HA12169FB provides fully electronic switching circuits. All switches are controlled by serial data. Table 2 Threshold Voltage (VTH) Pin No. Unit –0.2 to 1.5 3.5 to 5.3 39, 40, 41 –0.2 to 1.0 4.0 to 5.3 Notes: 1.
  • Page 42 HA12167FB/HA12169FB Under 5.3 V Within –0.2 V Figure 2 Input Level Serial Data Formatting 14 bit shift register is employed. CLK and data are stored during STB being high and data is latched when STB goes high to low. Reset goes reset a state when reset low and high releasles reset. (High fixed at use time) Attention Point of Serial Interface •...
  • Page 43 HA12167FB/HA12169FB DACOUT MUTE Buff BIAS CONT Figure 4 Bias DAC Output Circuit...
  • Page 44 HA12167FB/HA12169FB Serial Data Formatting Bit Mode Control Input Voltage Eaqualizer Voltage Basic DAC Reset Reset Reset Reset Tape bit 0 I-bit 0 L E-bit 0 L B-bit o L bit 1 selector 1 channel channel channel Metal Normal Crom Normal Tape I-bit 1 L E-bit 1 L...
  • Page 45 HA12167FB/HA12169FB Input Volume Register I-bit 5 I-bit 4 I-bit 3 I-bit 2 I-bit 1 I-bit 0 Gain Increase ↑ ↓ Decrease Mute Equalizer Volume Register E-bit 4 E-bit 3 E-bit 2 E-bit 1 E-bit 0 Gain Increase ↑ ↓ Decrease Mute Bias DAC Register B-bit 5...
  • Page 46 HA12167FB/HA12169FB MPX ON/OFF Switch MPX-OFF mode means that signal from input amp doesn’t go through the MPX filter, but signal goes through the NR circuit after being attenuated 3 dB by internal resistor. Refer to figure 5. For not cause any level difference between MPX-ON mode and MPX-OFF mode, it is requested to use MPX-filter which has definitely 3 dB attenuated.
  • Page 47 HA12167FB/HA12169FB A deck B deck PB EQ PB EQ Compensation of low frequency reagion VRI 2 VRI 3 REC OUT EQ IN REC IN VRI 1 HA12167/9 EQ OUT PB OUT Figure 6 Application for Dubbing Deck Injector Current HA12167FB/HA12169FB has logic circuit which is fabricated by I L into IC.
  • Page 48 HA12167FB/HA12169FB HA12167/9 HA12167/9 3.6 mA 3.6 mA a) Single supply use b) Split supply use Figure 7 Injector Current Application The Tolerances of External Components for Dolby NR-Block For adequate Dolby NR tracking response, take external components shown below. For C5, C6, C24, and C25, please employ a few object of the leak, though you can be useful for an electrolytic-capacitor.
  • Page 49 HA12167FB/HA12169FB BIAS DAC The full-scale of DAC is computed by the formula mentioned below. × 14 to 16 × 14 to 16 : Normal Tape (pin 35) : Metal Tape (pin 36) : Chrome Tape (pin 37) The maximum source current of DAC output (pin 29, 32) is 2 mA. Therefor the Bias-osc is drived through external transisitor of emitter-follower.
  • Page 50 HA12167FB/HA12169FB The Application of Equalizer Frequency Response – OP 5 – Gm 2 OP 2 – Gm 1 – Gm 3 – OP 6 – – – OP 3 – OP 4 Gm 5 Gm 4 OP 7 – – –...
  • Page 51 HA12167FB/HA12169FB Gain Figure 10 REC Equalizer Frequency Response  × 6.67 R   ×   when Gain of EQ - VR is center  ×    π × × × –10 6.67 10 f2 = π × ×...
  • Page 52 HA12167FB/HA12169FB Equalizer Characteristics Control Using a Bias DAC When only one of the bias DAC channels is used, any one of the six parameters (FM, fQ, f/Q, GH, GL, and GP) that set the equalizer’s chara cteristics can controlled by the unused bias DAC. The figure below gives one example.
  • Page 53 HA12167FB/HA12169FB Figures 12, 13, and 14 show the characteristics when GP is controlled by a bias DAC. E_DAC = 0 step = 14 V Ω = 100 k Ω = 51 k Ω B_DAC = 51 k Ω = 33 k Ω...
  • Page 54 HA12167FB/HA12169FB E_DAC = 0 step Ω R’ = 510 k = 14 V Ω R’ = 120 k Ω R’ = 47 k Ω = 100 k Ω = 51 k Ω = 51 k Ω = 33 k Ω = 33 k Ω...
  • Page 55 HA12167FB/HA12169FB When the (variable) width of the DAC step is to be changed, the gain at step 0 or at step 63 must be changed. The step 0 gain can be changed using R’ as shown in figure 13. Also, R’ can be switched using the tape selector, as shown in figure 15.
  • Page 56 HA12167FB/HA12169FB Quiescent Current vs. Supply Voltage (1) Quiescent Current vs. Supply Voltage (2) REC NR-OFF PB NR-OFF REC NR-B PB NR-B REC NR-C PB NR-C Supply Voltage (V) RPIin I.DAC=0 Supply Voltage (V) RPIin I.DAC=0 No.Signal No.Signal Encode Boost vs. Frequency (1) HA12167FB : 0 dB : –10 dB : –20 dB...
  • Page 57 HA12167FB/HA12169FB Encode Boost vs. Frequency (2) HA12167FB : 0 dB : –20 dB : –30 dB : –40 dB : –60 dB =15 V NR-C =12 V, 14 V –5 –10 10 k 100 k Frequency (Hz) Encode Boost vs. Frequency (3) HA12169FB : 0 dB : –10 dB : –20 dB...
  • Page 58 HA12167FB/HA12169FB Encode Boost vs. Frequency (4) HA12169FB : 0 dB : –20 dB : –30 dB : –40 dB : –60 dB =15 V NR-C =11 V, 14 V –5 –10 10 k 100 k Frequency (Hz) Input Amp. Gain vs. Frequency (1) HA12167FB PBOUT RECOUT –20...
  • Page 59 HA12167FB/HA12169FB Input Amp. Gain vs. Frequency (2) HA12167FB PBOUT RECOUT –20 PBmode NR-OFF –40 =14 V –60 10 k 100 k Frequency (Hz) Input Amp. Gain vs. Frequency (3) HA12169FB PBOUT RECOUT –20 RECmode NR-OFF –40 =14 V –60 10 k 100 k Frequency (Hz)
  • Page 60 HA12167FB/HA12169FB Input Amp. Gain vs. Frequency (4) HA12169FB PBMODE PBOUT RECMODE RECOUT –20 PBmode NR-OFF –40 =14 V –60 10 k 100 k Frequency (Hz)
  • Page 61 HA12167FB/HA12169FB Total Harmonic Distortion vs. Output Level (1) : 10 kHz : 1 kHz : 100 Hz = 14 V, RPIin, RECmode RECOUT, 0 dB = 300 mVrms, 25 Hz HPF, 80 kHz LPF, NR-OFF 0.01 –15 –10 –5 Output Level Vout (dB) Total Harmonic Distortion vs.
  • Page 62 HA12167FB/HA12169FB Total Harmonic Distortion vs. Output Level (3) : 10 kHz : 1 kHz : 100 Hz = 14 V, RPIin, RECmode RECOUT, 0 dB = 300 mVrms, 25 Hz HPF, 80 kHz LPF, NR-C 0.01 –15 –10 –5 Output Level Vout (dB) Total Harmonic Distortion vs.
  • Page 63 HA12167FB/HA12169FB Total Harmonic Distortion vs. Output Level (5) : 10 kHz : 1 kHz : 100 Hz = 14 V, RPIin, PBmode PBOUT, 0 dB = 775 mVrms, 25 Hz HPF, 80 kHz LPF, NR-B 0.01 –15 –10 –5 Output Level Vout (dB) Total Harmonic Distortion vs.
  • Page 64 HA12167FB/HA12169FB Maximum Output Level vs. Maximum Output Level vs. Supply Voltage (1) HA12167FB Supply Voltage (2) HA12167FB : NR-OFF : NR-OFF : NR-B : NR-B : NR-C : NR-C PBmode, PBOUT RECmode, RECOUT RPIin, f = 1 kHz RPIin, f = 1 kHz 0 dB = 775 mVrms 0 dB = 300 mVrms T.H.D.
  • Page 65 HA12167FB/HA12169FB Signal to Noise Ratio vs. Signal to Noise Ratio vs. Supply Voltage (1) HA12167FB Supply Voltage (2) HA12169FB PB NR-C PB NR-C PB NR-B PB NR-B REC NR-OFF REC NR-OFF PB NR-OFF PB NR-OFF REC NR-B REC NR-B REC NR-C REC NR-C Ω...
  • Page 66 HA12167FB/HA12169FB Crosstalk vs. Frequency (2) (L→R) –20 PBVol, VRI1in, PBOUTout I. DAC = 0 EQ. DAC = 31 –40 = 14 –60 NR-OFF –80 NR-B –100 NR-C –120 10 k 100 k Frequency (Hz) Crosstalk vs. Frequency (3) (VRI1 VRI2, VRI3, RPI) –20 RECVol, VRI1in, PBOUTout –40...
  • Page 67 HA12167FB/HA12169FB Crosstalk vs. Frequency (4) (VRI1 VRI2, VRI3, RPI) –20 PBVol, VRI1in, PBOUTout –40 I. DAC = 0, V = 14 V –60 VRI 2 VRI 3 –80 –100 –120 10 k 100 k Frequency (Hz) Crosstalk vs. Frequency (5) (VRI2 VRI1, VRI3, RPI) –20...
  • Page 68 HA12167FB/HA12169FB Crosstalk vs. Frequency (6) (VRI2 VRI1, VRI3, RPI) –20 PBVol, VRI2in, PBOUTout –40 I. DAC = 0, V = 14 V VRI 3 –60 VRI 1 –80 –100 –120 10 k 100 k Frequency (Hz) Crosstalk vs. Frequency (7) (VRI3 VRI1, VRI2, RPI) –20...
  • Page 69 HA12167FB/HA12169FB Crosstalk vs. Frequency (8) (VRI3 VRI1, VRI2, RPI) –20 PBCVol, VRI3in, PBOUTout –40 I. DAC = 0, V = 14 V VRI 2 –60 –80 VRI 1 –100 –120 10 k 100 k Frequency (Hz) Crosstalk vs. Frequency (9) (RPI VRI 1, VRI 2, VRI 3) –20...
  • Page 70 HA12167FB/HA12169FB Crosstalk vs. Frequency (10) (RPI VRI 1, VRI 2, VRI 3) –20 PB Vol, RPIin, PBOUTout I.DAC = 0, V = 14 V VRI 3 –40 VRI 2 –60 VRI 1 –80 –100 –120 10 k 100 k Frequency (Hz) Ripple Rejection Ratio vs.
  • Page 71 HA12167FB/HA12169FB Ripple Rejection Ratio vs. Frequency (2) RECVol, VRI3in, EQOUTout I.DAC = 0, EQ, DAC = 0 = 14 V –20 –40 –60 –80 10 k 100 k Frequency (Hz) Ripple Rejection Ratio vs. Frequency (3) PBVol, VRI3in, PBOUTout I.DAC = 0, V = 14 V –10 –20...
  • Page 72 HA12167FB/HA12169FB Input Volume Gain vs. DAC Step (1) HA12167FB –20 = 14 V, RECVol f = 1 kHz –40 VRI1in, PBOUTout 80 kHz LPF, 400 Hz HPF –60 DAC Step Input Volume Gain vs. DAC Step (2) HA12167FB = 14 V, PBVol f = 1 kHz VRI2in, PBOUTout 80 kHz LPF, 400 Hz HPF...
  • Page 73 HA12167FB/HA12169FB Input Volume Gain vs. DAC Step (3) HA12169FB –20 = 14 V, RECVol f = 1 kHz –40 VRI1in, PBOUTout 80 kHz LPF, 400 Hz HPF –60 DAC Step Input Volume Gain vs. DAC Step (4) HA12167FB = 14 V, PBVol f = 1 kHz VRI2in, PBOUTout 80 kHz LPF, 400 Hz HPF...
  • Page 74 HA12167FB/HA12169FB Signal to Noise Ratio vs. DAC Step (1) DIN-AUDIO CCIR-ARM JIS-A = 14 V, RECVol VRI1in, PBOUTout DAC Step Signal to Noise Ratio vs. DAC Step (2) CCIR-ARM JIS-A = 14 V, PBVol VRI2in, PBOUTout DAC Step...
  • Page 75 HA12167FB/HA12169FB Maximum Output Voltage vs. DAC Step (1) HA12167FB = 14 V RECVol, f = 1 kHz VRI1in, PBOUTout T.H.D. = 1 % 80 kHz LPF, 400 Hz HPF DAC Step Maximum Output Voltage vs. DAC Step (2) HA12167FB =14 V PBVol, f=1 kHz VRI2in, PBOUTout T.H.D.=1% 80 kHz LPF, 400 Hz HPF...
  • Page 76 HA12167FB/HA12169FB Maximum Output Voltage vs. DAC Step (3) HA12169FB 22.5 17.5 12.5 = 14 V RECVol, f = 1 kHz VRI1in, PBOUTout T.H.D. = 1 % 80 kHz LPF, 25 Hz HPF DAC Step Maximum Output Voltage vs. DAC Step (4) HA12169FB 22.5 17.5 12.5...
  • Page 77 HA12167FB/HA12169FB Total Harmonic Distortion vs. DAC Step (1) f=100 Hz RECmode VRI1in PBOUTout =14 V 80 kHz LPF +10 dB 0 dB –10 dB 0.01 DAC Step Total Harmonic Distortion vs. DAC Step (2) f=1 kHz RECmode VRI1in PBOUTout =14 V 80 kHz LPF +10 dB 0 dB...
  • Page 78 HA12167FB/HA12169FB Total Harmonic Distortion vs. DAC Step (3) f=10 kHz RECmode VRI1in PBOUTout =14 V 80 kHz LPF +10 dB 0 dB –10 dB 0.01 DAC Step Total Harmonic Distortion vs. DAC Step (4) f=100 kHz PBmode VRI2in PBOUTout =14 V 80 kHz LPF –10 dB 0 dB +10 dB...
  • Page 79 HA12167FB/HA12169FB Total Harmonic Distortion vs. DAC Step (5) f=1 kHz PBmode VRI2in PBOUTout =14 V 80 kHz LPF –10 dB 0 dB +10 dB 0.01 DAC Step Total Harmonic Distortion vs. DAC Step (6) f=10 kHz PBmode VRI2in PBOUTout =14 V 80 kHz LPF –10 dB 0 dB +10 dB...
  • Page 80 HA12167FB/HA12169FB REC Volume Maximam Input Level vs. Supply Voltage RECVol I.DAC Step=42 VRI1in PBOUTout f=1 kHz Supply Voltage (V) Volume Gain vs. Frequency (1) HA12167FB I.DAC 0 I.DAC 10 I.DAC 20 I.DAC 30 I.DAC 40 –20 I.DAC 50 I.DAC 62 –40 –60 VRI1...
  • Page 81 HA12167FB/HA12169FB Volume Gain vs. Frequency (2) HA12167FB I.DAC 0 I.DAC 32 I.DAC 62 VRI 2 PBOUT PBVolume =14 V 10 k 100 k Frequency (Hz) Volume Gain vs. Frequency (3) HA12169FB STEP 0 STEP 10 STEP 20 STEP 30 STEP 40 –20 STEP 50 –40...
  • Page 82 HA12167FB/HA12169FB Volume Gain vs. Frequency (4) HA12169FB STEP 0 STEP 32 STEP 62 VRI 2 PBOUT PBVolume =14 V 10 k 100 k Frequency (Hz) Input Volume Gain vs. Temperature (2) HA12167FB Input Volume Gain vs. Temperature (1) HA12167FB : 0 step RECVol : 10 step VRI1in PBOUTout...
  • Page 83 HA12167FB/HA12169FB Maximum Output Level vs. Temperature (1) Maximum Output Level vs. Temperature (2) RECVol PBVol VRI1in PBOUTout VRI2in PBOUTout =14 V T.H.D.=1% =14 V T.H.D.=1% 400 Hz HPF 400 Hz HPF 80 kHz LPF 80 kHz LPF : 0 step : 16 step : 0 step : 25 step...
  • Page 84 HA12167FB/HA12169FB Level Meter Output vs. Temperature Level Meter Output vs. Supply Voltage (2) HA12169FB : 0 dB range Vin=+12 dB : 0 dB range 0 dB : 0 dB range Vin=0 dB : 0 dB range 12 dB : 0 dB range Vin=–20 dB : 20 dB range –5 dB : 20 dB range Vin=–20 dB : 20 dB range –20 dB...
  • Page 85 HA12167FB/HA12169FB Equalizer Gain vs. Frequency (1) 33 k 33 k 33 k 33 k 47 k 47 k 33 k 33 k 51 k 51 k 51 k 51 k 33 k 33 k 51 k 51 k 51 k 51 k 51 k 20 k 51 k 20 k 51 k 20 k RF/Q 51 k 27 k 51 k 27 k 51 k 27 k...
  • Page 86 HA12167FB/HA12169FB Equalizer Gain vs. Frequancy (3) DAC 30 –40 –80 DAC 31 –120 EQin EQout V =14 V Vin=–36 dBS –160 10 k 100 k Frequency (Hz) Total Harmonic Distortion vs. Equalizer Output Level (1) 3.5 kHz EQin EQout 0 step = 14 V, 0 dB = –1 dBs 1 kHz 15 kHz...
  • Page 87 HA12167FB/HA12169FB Total Harmonic Distortion vs. Equalizer Output Level (2) EQin EQout 16 step = 14 V, 0 dB = –4 dBs 15 kHz 315 Hz 3.15 kHz 6.3 kHz 10 kHz 1 kHz –30 –20 –10 Equalizer Output Level (dB) Total Harmonic Distortion vs.
  • Page 88 HA12167FB/HA12169FB Equalizer Amp. Gain vs. R EQin EQout V = 14 V Vin = –46 dBS = 0 dB EQ.DAC = 0 Step Ω = 33 k Ω = 51 k Ω = 100 k : 316 Hz : 1 kHz 10 k 30 k 100 k...
  • Page 89 HA12167FB/HA12169FB Equalizer Amp. Gain vs. R EQin EQout V cc = 14 V EQ.DAC = 0 Step Ω = 33 k Ω = 51 k Ω = 100 k f = 19 kHz 10 k 30 k 100 k 300 k (Ω) Equalizer Cutoff Frequency vs.
  • Page 90 HA12167FB/HA12169FB Equalizer Peak Frequency vs. R EQin EQout V cc = 14 V EQ.DAC = 0 Step 100 k 10 k Ω : 12 k Ω : 24 k Ω : 51 k Ω : 100 k Ω : 200 k Ω...
  • Page 91 HA12167FB/HA12169FB Equalizer Gain vs. DAC Step = 14 V EQin EQOUTout f = 1 kHz Vin = –26dBs DAC Step Equalizer Noise vs. DAC Step –60 = 14 V JIS-A filter –65 –70 –75 DAC Step...
  • Page 92 HA12167FB/HA12169FB Equalizer Vo max, Vin max vs. DAC Step Vo max –5 Vin max –10 EQin EQout f = 1 kHz V = 14 V T.H.D. = 1% –15 DAC Step Equalizer Vo max, Vin max vs. Supply Voltage Equalizer Gain vs. Temperature EQin EQout f = 1 kHz T.H.D.=1%...
  • Page 93 HA12167FB/HA12169FB Equalizer Vo max, Vin max vs. Temperature Vo max –5 –10 Vin max EQin EQout V = 14 V –15 0 step f = 1 kHz –18 –3 –40 –20 Temperature Ta (°C) Maximum Output Level vs. BIAS Adjust Register = 14 V B.
  • Page 94 HA12167FB/HA12169FB DAC Output Level vs. DAC Step =14 V Ω Metal : 20 k Ω Crom : 24 k Ω Normal : 33 k Metal Crom Normal DAC Step Bias Vomax vs. Supply Voltage Metal Crom Normal Line B.DAC=63 step Ω...
  • Page 95 HA12167FB/HA12169FB Package Dimensions 17.2 ± 0.3 Unit: mm *0.32 ± 0.08 0.12 M 0.30 ± 0.06 0.83 0° – 8° 0.8 ± 0.3 0.10 Hitachi Code FP-80A JEDEC — EIAJ Conforms *Dimension including the plating thickness Weight (reference value) 1.2 g Base material dimension...
  • Page 96 HA12167FB/HA12169FB Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information contained in this document.
  • Page 97 TA-RW255 IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION Q408: UPC1330HA REC/PB BLOCK DIAGRAM TERMINAL DESCRIPTION PIN NO. FUNCTION 1, 9 Playback signal 3, 7 REC signal REC/ PB switch control...
  • Page 98 TA-RW255 MICROPROCESSOR BLOCK DIAGRAM/ TERMINAL DESCRIPTION-1 Q701 MPD78042FGF-141 CAP MOTOR(A) P94/FIP6 P114/FIP22 --> CAP X1/~X2(A) P93/FIP5 P115/FIP23 --> SOLENOID(A) P92/FIP4 P116/FIP24 --> P91/FIP3 P117/FIP25 --> P90/FIP2 P120/FIP26 <-- SEARCH SPEC P81/FIP1 P121/FIP27 <-- P80/FIP0 P122/FIP28 <-- R_REC_INH_SW(B) P123/FIP29 <-- METAL_SW(B)
  • Page 99 TA-RW255 MICROPROCESSOR BLOCK DIAGRAM/ TERMINAL DESCRIPTION-2 Q701 MPD78042FGF-141 PIN NAME SIGN DESCRIPTION P94/FIP6 CAP MOTOR(A) O Capstan motor control output signal pin. (Deck-A) P93/FIP5 CAP X1/~X2(A) O Capstan motor speed control output pin. (Deck-A) P92/FIP4 SOLENOID(A) O Solenoid coil control signal output pin. (Deck-A) P91/FIP3 O Grid (G1) control output pin.
  • Page 100 TA-RW255 MICROPROCESSOR BLOCK DIAGRAM/ TERMINAL DESCRIPTION-3 Q701 MPD78042FGF-141 PIN NAME SIGN DESCRIPTION ~PLAY SW(A) Head position detection input signal pin. (Deck-A) +5V. P127/FIP33 PLAY_SW(B) Head position detection input signal pin. (Deck-B) P126/FIP32 HIGH SW(B) Tape class (HIGH) detection signal input pin. (Deck-B)

  • Page 101: Adjustment Procedure

    TA-RW255 ADJUSTMENT PROCEDURE Connection Line Test Output Adjustment Adjust Remark Item output tape Mode Indicator point instrument 1 Tape Frequency MTT-111N DECK: R802 (H.S.) High speed High speed Frequency speed counter to R803 (N.S.) 6000-6020Hz first. counter LINE output TCC-111 R817 (H.S.)
  • Page 102 TA-RW255 PACKING VIEW A701 A802 E804 A607 E803 A615 E802 E801 2 PCS A603 L side mark E800 A606 A607 Front mark A604 Front side R side mark A601 Front mark A609 Front side A703 A703 A609...

  • Page 103: Parts List

    PARTS LIST 1/3 PAGE TA-RW255 EXPLODED VIEW PARTS LIST REF. NO. PART NAME DESCRIPTION PART NO. REMARK A001 F BRACKET 27110984-1A N <B> A001 F BRACKET 27111411 N <S> A003 SCREW 3TTF+6B(BC) 835430068 A004 SCREW 3TTB+8B(BC) 838430088 A006 CLEAR PLT 28192071 N <B>...
  • Page 104 P701 NCFC7-292512 2047292512 P801 2047102512 NCFC7-102512 2/3 PAGE P802 NCFC7-131512 2047131512 P901A AC CORD 253368LTK AS-UC-2 ! <MDD> P901A AC CORD AS-CEE 253336VOL ! <MPP> P901A or AC CORD ( 1) 253335HIT AS-CEE ! <MPP> P901A AC CORD AS-SAA 253388HIT ! <MPA>...
  • Page 105 TA-RW255 PACKING PARTS LIST 3/3 PAGE REF. NO. PART NAME DESCRIPTION PART NO. REMARK A601 CARTON 29054368A N <B> A601 CARTON 29054369A N <S> A603 29091636-1D A604 29091637-1D A606 POLY BAG POLY BAG(850*650) 29100034-1A A607 TAPE 29110149 (SEROHAN)NITTO NO.29 A609...
  • Page 106 Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN Tel: 072-831-8023 Fax: 072-831-8124 ONKYO U.S.A. CORPORATION 18 Park Way, Upper Saddle River, N.J. 07458, U.S.A. Tel: 201-785-2600 Fax: 201-785-2650 http://www.us.onkyo.com/ ONKYO EUROPE ELECTRONICS GmbH Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY Tel: +49-8142-4401-0 Fax: +49-8142-4401-555 http://www.eu.onkyo.com/...

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